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554 Commits

Author SHA1 Message Date
Fabio Pliger
db66bb71e8 lay down the features page sections 2023-09-06 22:03:07 -05:00
Fabio Pliger
fc89d157ce add more sections 2023-09-06 16:07:37 -05:00
Fabio Pliger
4658b6d9a1 improve readability of index 2023-09-06 16:02:46 -05:00
Fabio Pliger
8cb5294f2a add new docs README 2023-09-05 17:29:38 -05:00
Fabio Pliger
f226506856 add complex application example 2023-09-05 17:24:08 -05:00
Fabio Pliger
c739e23cc5 add paragraph about serving application and improve application concepts 2023-09-05 16:55:43 -05:00
Fabio Pliger
5f93eb24bb complete first example 2023-09-05 16:11:30 -05:00
Fabio Pliger
da5569871e better working on first sections of getting started 2023-09-05 15:53:54 -05:00
Fabio Pliger
e33095249c improve working 2023-09-05 15:39:15 -05:00
Fabio Pliger
efcd872ece work on hello world example 2023-09-05 15:32:52 -05:00
Fabio Pliger
829e4f89f1 add basic concepts 2023-09-05 14:36:39 -05:00
Fabio Pliger
0e710461fe improve development setup 2023-09-05 14:18:59 -05:00
Fabio Pliger
bed56df606 add new docs folder 2023-09-05 14:05:01 -05:00
Fabio Pliger
78aa257a21 update getting started 2023-09-05 14:01:56 -05:00
Fabio Pliger
a43dab9850 simplify getting started first application and serving application paragraphs 2023-09-01 16:00:08 -05:00
Fabio Pliger
e63ce9b685 simplify installation section in the getting started section 2023-09-01 14:59:33 -05:00
Fabio Pliger
93e4e485ff add better description and text around environment setup in getting started 2023-09-01 14:55:24 -05:00
Fabio Pliger
df7be28c18 change intro text in the main index page 2023-09-01 14:54:25 -05:00
Andrea Giammarchi
da3b43abdd [next] xworker.sync pollution example (#1659) 2023-08-31 15:37:17 +02:00
Andrea Giammarchi
4cc9647dc6 [next] allow document.createElement(py-script) (#1662) 2023-08-31 14:23:01 +02:00
Andrea Giammarchi
74cd7c840a [next] Sanitize <py-script> content + deprecate html content (#1663) 2023-08-31 10:43:28 +02:00
Andrea Giammarchi
0f2deeb71a [next] Place a target in the body (#1658) 2023-08-30 14:43:48 +02:00
Andrea Giammarchi
93539c9b5a Fix #1651 - Avoid leaks from the registered module (#1655) 2023-08-29 22:32:05 +02:00
Andrea Giammarchi
e48e6276e1 [next] PyScript Next basic documentation (#1634) 2023-08-17 08:12:55 -07:00
Andrea Giammarchi
75a57a49f5 [next] Porting most basic examples (#1631) 2023-08-10 22:42:01 +02:00
Andrea Giammarchi
8a1db288fc [next] Updated polyscript to use PyScript custom stderr when running code (#1629) 2023-08-09 19:30:18 +02:00
Andrea Giammarchi
84dcde188b [next] Bring in the good old PyScript display (#1628) 2023-08-09 16:28:06 +02:00
Andrea Giammarchi
27c91e9703 [next] Updated LICENSE & dependencies (#1626) 2023-08-08 17:16:43 +02:00
Andrea Giammarchi
b5a0cd4057 [sw] Added a first version of the PyScript Service Worker (#1621)
* Added a first version of the PyScript Service Worker

* Fix typo as suggested

Co-authored-by: Fabio Pliger <fpliger@users.noreply.github.com>

---------

Co-authored-by: Fabio Pliger <fpliger@users.noreply.github.com>
2023-08-08 10:57:26 +02:00
Andrea Giammarchi
77d8fe3562 [next] Improved worker attribute DX (#1625) 2023-08-07 18:36:33 +02:00
Andrea Giammarchi
a484aff457 Moved back pyscript.core where it belongs (#1622) 2023-08-07 15:15:05 +02:00
Andrea Giammarchi
c96f5912df Prepared for the first publish (#1620) 2023-08-03 11:22:16 +02:00
Andrea Giammarchi
8a01a56e51 Add pyscript module in both Main and Workers (#1619) 2023-08-03 10:44:17 +02:00
Andrea Giammarchi
2774e49ab9 [next] Brought back home PyScript Next (#1616) 2023-08-01 22:28:57 +02:00
Andrea Giammarchi
26e7a54f1f @pyscript/core deprecation (#1607) 2023-07-21 11:07:42 +02:00
Jack Zhao
f0e69cbc36 fix interpreter absoluteURL (#1603) 2023-07-19 13:21:44 +02:00
Andrea Giammarchi
413428f535 [next] Better Errors - Worker (#1602) 2023-07-19 13:20:03 +02:00
Andrea Giammarchi
0c54036466 [next] Add basic integrations tests (#1576)
* [next] WIP: Add basic integrations tests

* fix typos in  README.md

* Update README.md to specify when files are _ files ignored

---------

Co-authored-by: Fabio Pliger <fpliger@users.noreply.github.com>
2023-07-19 10:18:17 +02:00
Andrea Giammarchi
2555833831 [next] FS create folder before writing in it (#1582) 2023-07-17 13:46:17 +02:00
Andrea Giammarchi
7e0aceced1 [next] Updated to latest coincident + MicroPython (#1595) 2023-07-13 17:00:04 +02:00
Andrea Giammarchi
77234f6df3 [next] Updated coincident to fix a MicroPython bug (#1591) 2023-07-12 17:55:39 +02:00
Andrea Giammarchi
45af96aad4 [next] Updated to latest MicroPython (#1590) 2023-07-12 10:45:46 +02:00
Andrea Giammarchi
184d29055e [next] Await events when invoked (#1589) 2023-07-11 13:27:59 +02:00
Andrea Giammarchi
9e73181816 [next] Use the very same source for all Python interpreters (#1588) 2023-07-10 17:54:13 +02:00
Andrea Giammarchi
0b0e03456c [next] Improve the whole events story (#1584) 2023-07-10 15:36:48 +02:00
Andrea Giammarchi
c6b5ce7f55 [next] Drop web like events (#1578)
* Use registerJSModule when available (#1573)

* Updated version to publish latest
2023-07-06 17:56:06 +02:00
Andrea Giammarchi
a14e701be4 Use registerJSModule when available (#1573) 2023-06-29 22:50:35 +02:00
Andrea Giammarchi
7813c3f03f Added npm run dev (#1572) 2023-06-29 12:45:07 +02:00
Andrea Giammarchi
3a3cb7b11d Align npm versioning (#1568) 2023-06-27 22:34:10 +02:00
Andrea Giammarchi
d7b0731385 Added a section dedicated to XWorker required headers (#1567) 2023-06-27 20:56:16 +02:00
Andrea Giammarchi
df8973736f Update latest package.json version + lock (#1565) 2023-06-27 17:11:53 +02:00
Andrea Giammarchi
9121071ba3 PyScript Core Documentation (#1560) 2023-06-27 16:53:19 +02:00
Andrea Giammarchi
bf6470c046 Cleanup and improve the index.html for tests (#1558) 2023-06-22 21:37:11 +02:00
Andrea Giammarchi
3b7099cd3d Fixed issues around XWorker context (#1556) 2023-06-22 19:04:57 +02:00
Andrea Giammarchi
f6dfc5361e Implement PyScript custom <script type> (#1548)
* updated MicroPython to latest in order to have `globals` API available
  * reduced code around helpers for both MicroPython and Pyodide as now these are more aligned
  * updated all dependencies and brought in latest [coincident/window](https://github.com/WebReflection/coincident#coincidentwindow) goodness to any `xworker`, preserving the `sync` previous behavior
  * using [@ungap/structured-clone/json](https://github.com/ungap/structured-clone#tojson) as *coincident* default `parse` and `stringify` utility to allow recursive and more complex data to travel back from the *Worker* (forward data is still fully [structured clone algorithm compatible](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm))
  * renamed all *plugin/s* references to *custom/s* as plugin as a word was too misleading
  * changed *custom types* helpers logic to allow any single node to have its own version of the interpreter wrapper, and all the extra fields it carries with it, including a way to augment every interpreter execution, among as every worker code execution
  * created a `custom` folder where I've landed the very first `pyscript.js` custom type
  * created an exhaustive test page to demonstrate the current abilities of *PyScript Next* among its ability to expose utilities that can be used to create *PyScript* plugins
2023-06-22 17:29:07 +02:00
Andrea Giammarchi
0a7e1ce0d7 Fix #1531 - Remove overall need for globalThis pollution (#1543) 2023-06-19 18:05:45 +02:00
Andrea Giammarchi
d6b1c393f6 MicroPython as CDN (#1521) 2023-06-19 12:06:15 +02:00
Andrea Giammarchi
bccd5e3750 Fix #1538 - use same customElements Registry utilities (#1542) 2023-06-16 15:34:05 +02:00
Andrea Giammarchi
6df5905b2b [next] Ditch handy shortcuts for good (#1537) 2023-06-15 17:08:28 +02:00
Andrea Giammarchi
6284c02032 [next] Rename all runtime(s) references to interpreter(s) (#1536) 2023-06-15 15:34:07 +02:00
Andrea Giammarchi
db27d52352 [next] Update MicroPython and other dependencies (#1535) 2023-06-15 14:04:47 +02:00
Fábio Rosado
8ba28989fb Add ci for next (#1530)
* Add ci for next

* Install deps from the right folder and build the project

* Rename CI job for test next

* Remove all things pyscriptjs

* Remove ESLint job
2023-06-14 16:01:01 +01:00
Andrea Giammarchi
da544929ac [next] Enabled hooks around plugins (#1522) 2023-06-12 22:18:55 +02:00
Andrea Giammarchi
bb364b0524 Shared array buffer missing error (#1518)
Improve error reporting around SharedArrayBuffer
2023-06-09 20:51:51 +02:00
Andrea Giammarchi
818614b798 Improved Promise polyfill for MicroPython only (#1517) 2023-06-09 12:53:31 +02:00
Andrea Giammarchi
50b1a1d7c5 Fix #1512 - Improve worker tests + update Pyodide (#1513)
* Fix #1512 - Improve worker tests + update Pyodide

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-06-08 17:39:01 +02:00
Andrea Giammarchi
7d3b792a79 Fix #1514 - Provide a better feedback on HTML typos (#1515) 2023-06-08 13:49:49 +02:00
Andrea Giammarchi
af72e232c3 Worker sync utility (#1511)
* patched an issue with wasmoon randomly asking to resolve proxy references
  * simplified pyodide and micropython dance by grouping their common utilities together
  * created an integration test around a worker to main thread input between MicroPython and Lua
  * commented some weird bugs / funny behaviors around both MicroPython and Pyodide
  * other minor clean ups
2023-06-08 11:10:47 +02:00
Andrea Giammarchi
0cdbfbeb30 Updated MicroPython (#1510)
Updated MicroPython
2023-06-06 11:42:23 +02:00
Andrea Giammarchi
339e40063a WIP: Bringing PyScript.next PoC to the main project (#1507)
* kill unwrapped_remote (#1490)

* kill unwrapped_remote

* linting

* don't use callKwargs for python plugins

* fix tests and improve types

* Bringing PyScript.next PoC to the main project

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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---------

Co-authored-by: Madhur Tandon <20173739+madhur-tandon@users.noreply.github.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-06-05 21:52:28 +02:00
Neon22
4467898473 Update py-click.md (#1499)
Add links to other events so its clear py-click is not a limitation or umbrella term for the only kind of interaction.
2023-06-05 20:42:42 +05:30
Madhur Tandon
17d16b987f kill unwrapped_remote (#1490)
* kill unwrapped_remote

* linting

* don't use callKwargs for python plugins

* fix tests and improve types
2023-06-01 22:52:23 +05:30
Ted Patrick
8e86daac71 Year 2023 (#1496) 2023-05-31 17:13:13 -05:00
Ted Patrick
856720da49 Simple 404 in _static (#1495)
* Simple 404 in _static

* Docs 404 error

* s3_error.html
2023-05-31 16:42:30 -05:00
Ted Patrick
8f2c150d1e Docs correction (#1494) 2023-05-31 16:19:36 -05:00
Ted Patrick
7d8b4c980a Error html to root of docs (#1493)
* Error html to root of docs

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-05-31 16:10:32 -05:00
Jeff Glass
932756c7a0 Add Option to make Py-Terminal and Xterm.js (#1317)
* Add 'xterm' attribute in py-config using new validation

* Use screen reader mode

* Add `xtermReady` promise to allow users to away xterm.js init

* Guard against initializing a tag twice

* Add tests and doc
2023-05-29 10:00:20 -05:00
Andrea Giammarchi
538aac9a28 Fix #1482 - Add utils.py to the list of modules (#1485) 2023-05-25 10:39:07 +02:00
Andrea Giammarchi
856bf8f5fb Fix #1474 - await both JS and Python plugins all at once (#1481) 2023-05-24 18:59:23 +02:00
Jeff Glass
e1758ae2e2 Upgrade to Pyodide 0.23 (#1347)
* Upgrade to Pyodide 0.23.2

* Update changelog

* Use @param decorator to fix kmeans examlpe

* Separate zz_example tests to run sequentially

* Remove pytest.raises from pyscript_src_not_found test, use check_js_errors instead

* Add 'check_js_errors' to wait_for_pyscript
2023-05-24 07:59:19 -05:00
Andrea Giammarchi
61b3154461 [chore] Improve current Error extends (#1467) 2023-05-22 13:22:53 +02:00
Jeff Glass
fb9b30d144 Fix zz_examples tests (pin dependencies) (#1477) 2023-05-18 19:27:47 -05:00
StefanoHiway
b0df96b13f html tag not closed (#1473) 2023-05-17 16:16:35 +05:30
Andrea Giammarchi
a469062a32 Simplified classList within Python code (#1459) 2023-05-15 12:45:11 +02:00
Andrea Giammarchi
89d5d5c7db Fix svg errors on the page caused by <py-script> (#1464) 2023-05-15 12:44:19 +02:00
Madhur Tandon
b8c2d6b05d fix panel kmeans test (#1465) 2023-05-15 15:24:08 +05:30
Madhur Tandon
b247864414 remove PyWidget and py-register-widget + refactor PyList as a Python Plugin (#1452)
* remove PyWidget and py-register-widget

* refactor py-list as Plugin

* add newline

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix eslint

* handle case if src not supplied

* move inside if

* - Remove src attribute for py-list
- Re-implement as a Python plugin
- Remove pylist.py from examples directory
- Remove PyListPlugin as one of the default ones

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* move PyItem and PyList classes to the plugin

* clean up PyListTemplate and PyItemTemplate from pyscript module

* fix linting

* use PyList instead of PyListTemplate instead

* fix example for todo-pylist

* re-enable and improve test

* move py-list plugin to examples

* fix py-list plugin link

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-05-10 20:17:07 +05:30
Andrea Giammarchi
d3bcd87cfa Allow nodes in shadow roots to be addressed via Element (#1454) 2023-05-09 17:42:09 +02:00
Antonio Cuni
82e5b64bad Make sure that tests fail in case there is an unhandled Python error (#1456)
Before this PR, the following test passed:

    def test_pyscript_hello(self):
        self.pyscript_run(
            """
            <script type="py">
                raise Exception("hello")
            </script>
            """)

What happens is that we intercept the Python exception and display a nice banner on the DOM, but the test itself passes. This is error prone: if we have Python exceptions on the page, the test should fail by default, and we should have a way to silence it in case those exceptions are expected.

This PR treats Python errors as we treat JS errors: unhandled exceptions cause the test to fail, but you can silence them by calling self.check_py_errors(), exactly as you can call self.check_js_errors().
2023-05-09 15:39:19 +02:00
Andrea Giammarchi
73e0271c23 Fix typo in py-events attributes handling (#1458) 2023-05-09 14:29:00 +02:00
Andrea Giammarchi
a2dabee0e9 Fix element.select tests (#1457) 2023-05-09 13:12:29 +02:00
Andrea Giammarchi
6a27c6d9f2 Cleanup some unnecessary utility (#1453) 2023-05-06 08:20:08 +02:00
woxtu
213ced0c7f Fix an error message when loading local modules failed (#1394)
* Fix an error message when loading local modules failed

* Fix an error message when loading local modules failed
2023-05-05 18:17:35 +05:30
Andrea Giammarchi
5086c23d47 Fix #1445 - Move the EditorView into ShadowDOM (#1449) 2023-05-05 10:41:05 +02:00
Ted Patrick
ee345a5206 Add Andrea Giammarchi as PyScript Maintainer (#1450) 2023-05-04 19:27:50 -05:00
Andrea Giammarchi
f74cddc3b1 Fix #1446 - Move pyscript defer after other dependencies (#1448) 2023-05-04 12:42:35 +02:00
Andrea Giammarchi
5b986b8b26 Fix #1425 - Move scripts within the tutor to make it explicit more files are needed (#1444) 2023-05-03 13:12:06 +02:00
Andrea Giammarchi
14887b9814 Fix #1341 - Use <script type="py"> instead to avoid entities (#1443) 2023-05-03 13:11:27 +02:00
Andrea Giammarchi
ecc40315b3 Fix #1427 - Avoid multiple initialization of the same node (#1433) 2023-05-03 10:00:35 +02:00
Andrea Giammarchi
e7aed7fcf0 Fix #1059 - Observe py-* attributes changes (#1435) 2023-05-03 09:50:21 +02:00
Madhur Tandon
cd1aa948f9 [Worker support] test for no cors headers (#1374)
* test for no cors headers

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* fix tests

* suggested changes

* disable directly

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* add error message

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* improve test

* improve error message

* remove py-config tag from cors test

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-05-02 18:43:11 +05:30
Andrea Giammarchi
82613d016a Fix #1429 - Use basic-devtools module (#1430)
This MR brings in `$`, `$$`, and `$x` browsers devtools' utilities to our code so we can use these whenever we find it convenient.
2023-05-02 15:12:28 +02:00
Jeff Glass
3a66be585f Add @when decorator (#1428)
* Add new _event_handling.py file with @when decorator

* @when decorate is in pyscript package namespace/_all__

* Write tests in new test_event_handling.py

* Add docs for @when decorator

------------

Co-authored-by: Mariana Meireles <marian.meireles@gmail.com>
2023-05-01 09:51:49 -05:00
Andrea Giammarchi
0a4e36ae09 Fix <script src> + test all py-script attributes (#1434) 2023-04-28 18:08:53 +02:00
Andrea Giammarchi
92643539cf Fix #735 - Test <script type="py"> against all special cases (#1431) 2023-04-27 17:46:42 +02:00
Andrea Giammarchi
a1281d1331 Fix #1326 - Allow <script type="py"> tag to work as <py-script> (#1396)
The goal of this MR is to unobtrusively allow the usage of `<script type="py">`, `<script type="pyscript">` or `<script type="py-script">` tags instead of `<py-script>` for all those case where the layout in custom elements get parsed and breaks users' expectations (including our SVG based tests).
2023-04-27 15:21:31 +02:00
Cameron Cairns
074ca0ef8f Adds missing dependency description (anaconda) to docs (#1409) 2023-04-27 12:06:31 +01:00
Fábio Rosado
464a9633dc Fix what is pyscript example h1 color (#1417) 2023-04-26 15:31:01 +01:00
Andrea Giammarchi
fc2d91c5bb Fix #801 - Simplified events listeners attachment: (#1403)
* always same listener, for easy removal and reduce RAM
  * avoid duplicated entries for smaller library outcome
  * use XPath to crawl all attributes names instead of CSS
2023-04-26 15:55:22 +02:00
MrValdez
d68169bffb Development documentation (#1410)
* Updated the instructions for setting up the documentation environment to be clearer

* Expanded on setting up the development and documentation environments.

Moved the documentation section to its own section as it's behavior and purpose is different from the development environment.

* Added alternative to git upstream

Indented list instead of using &nbsp;

* Add 'Using a Local Dev Server' to Getting Started Docs (#1400)

* Added alternative to git upstream

Indented list instead of using &nbsp;

Updated the test environment section

cleaned up "reviewing your work" section to make it easier to read.

* added "setting up environment" changes to changelog

* reverted additions to changelog

---------

Co-authored-by: Jeff Glass <glass.jeffrey@gmail.com>
2023-04-26 12:28:43 +01:00
Andrea Giammarchi
7efdb04e1e Increase commonly failing tests timeout (#1412) 2023-04-26 10:01:20 +02:00
Jeff Glass
0155e122fd Add nodejs=16 to docs conda env (#1413) 2023-04-25 11:36:27 -05:00
Jeff Glass
eb03f16a77 Improve PR template - Doc Changes Don't Need Changelogs(#1411) 2023-04-25 10:03:12 -05:00
Jeff Glass
5ac39641ab Add 'Using a Local Dev Server' to Getting Started Docs (#1400) 2023-04-25 08:17:57 -05:00
Ikko Eltociear Ashimine
8d1e48e400 Fix typo in py-config.md (#1399)
unspecifed -> unspecified
2023-04-21 10:01:59 -06:00
Andrea Giammarchi
0021ccb49f Remove redundant .shadow property as that is defined at the Custom Element level. (#1395) 2023-04-21 10:05:50 +02:00
woxtu
8590c7e5b8 Remove an unused dependency (#1390) 2023-04-16 14:23:52 +05:30
Antonio Cuni
8c5475f78f Move pyodide to a web worker (#1333)
This PR adds support for optionally running pyodide in a web worker:

- add a new option config.execution_thread, which can be `main` or `worker`. The default is `main`

- improve the test machinery so that we run all tests twice, once for `main` and once for `worker`

- add a new esbuild target which builds the code for the worker

The support for workers is not complete and many features are still missing: there are 71 tests which are marked as `@skip_worker`, but we can fix them in subsequent PRs.

The vast majority of tests fail because js.document is unavailable: for it to run transparently, we need the "auto-syncify" feature of synclink.


Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Co-authored-by: Madhur Tandon <20173739+madhur-tandon@users.noreply.github.com>
2023-04-14 10:55:31 +02:00
Jeff Glass
dfa116eb70 Improve validate() function for plugin options (#1323)
* Add `validateConfigParameter` and `validateConfigParameterFromArray` functions to validate user-provided parameters from py-config

* Add units tests for `validateConfigParameter` and `validateConfigParameterFromArray`

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-13 14:35:01 -05:00
Mike Chen
3a9fd3c074 Fix path errors on Windows systems (#1368)
* Add docs to repl with attr src

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fix path errors on Windows systems

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Fix path errors on Windows systems

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-13 20:51:49 +05:30
Stefane Fermigier
5a92ef3c11 doc: remove duplicated link (#1386)
"How to write content to the page" appeared twice in the index.
2023-04-13 11:00:28 +05:30
woxtu
d3902f5c93 Update to the latest TypeScript (#1377) 2023-04-12 23:49:54 +05:30
Hood Chatham
c886f887ae Split pyscript into multiple files (#1338)
In the future this should help us leak fewer names into the pyscript
namespace.

Rather than assigning to the pyscript module from JavaScript, we
mount a separate private JS module with the extra names needed by
PyScript. I moved a bit more interpeter intialization into
remote_interpreter.

I added a deprecation warning for `pyscript.js`: the proper way to
access `js` is `import js`.

---------

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
2023-04-12 14:49:47 +02:00
Hood Chatham
fc5089ac59 same thread syncify (#1372)
Switch to using the new version of synclink with support for same thread syncify (and also correct types). 
Uses syncify to replace one use of `_unwrapped_remote`.
2023-04-11 21:31:05 -07:00
Madhur Tandon
e3602f464b remove pys-on* and py-on* attributes (#1361)
* remove pys-on* and py-on* attributes

* update changelog

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix eslint

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-11 18:59:42 +05:30
Madhur Tandon
f3db6a339c remove PY_COMPLETE and the associated message of Python initialization complete (#1373)
* remove PY_COMPLETE

* fix test_multiple_async
2023-04-11 18:59:09 +05:30
cnelir98
c05195c045 DOCS Update display.md (#1375) 2023-04-10 18:44:08 +02:00
Antonio Cuni
af981fc719 Improve self.wait_for_console() (#1363)
- Previously, if the message appeared on the console immediately before the call to self.wait_for_console(), the call would hang forever until the timeout. Now, it returns immediately.

- `wait_for_pyscript` now logs the time actually taken for waiting

- `wait_for_pyscript` takes a `timeout` argument so that we can tweak it on a test-by-test basis
2023-04-05 16:00:17 +02:00
Mike Chen
088a264910 Add docs to repl with attr src (#1353)
* Add docs to repl with attr src

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-03 14:19:23 +02:00
Mike Chen
d7e80ad51b load code from the attr src of py-repl (#1292)
* load code from the attr src of py-repl

* load code from the attr src of py-repl

* load code from the attr src of py-repl

* load code from the attr src of py-repl

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-03 11:06:30 +02:00
Antonio Cuni
b53ddd401f re-enable source maps (#1340) 2023-03-31 16:42:19 +02:00
Hood Chatham
e9122bca9d Fix test_async and test_stdio_handling (#1319)
Resolves pyscript#1313 and pyscript#1314. On top of pyscript#1318.

The point of these tests is to define the execution order of Tasks
that are scheduled in <py-script> tags: first all the py-script tags
are executed and their related lifecycle events. Once all of this
is done, we schedule any enqueued tasks.

To delay the execution of these tasks, we use a custom event loop for
pyExec with this defer behavior. Until schedule_deferred_tasks is called,
we defer tasks started by user code. schedule_deferred_tasks starts all 
deferred user tasks and switches to immediately scheduling any further
user tasks.
2023-03-30 14:38:51 -07:00
Hood Chatham
b61e8435d1 Fix main.test.ts (#1320) 2023-03-30 10:52:39 -07:00
Hood Chatham
146afb6532 Remove all but 2 eslint-disable pragmas (#1335)
Turns off:
 - no-explicit-any (we need to handle any return values from runPython)
 - no-unsafe-assignment (noisy and pointless)

And resolves all but two remaining ones. The last two lints regard access to private Pyodide variables and so:
 - they are not easy to work around without an upstream Pyodide patch
 - they should trigger linter and require explicit override
2023-03-30 10:51:36 -07:00
Hood Chatham
854e9d1378 Refactor pyexec (#1318)
This is some refactoring I did on the way towards resolving pyscript#1313.
I added a new _run_pyscript Python function which executes the code
inside a context manager that sets the display target. We can then
return a JS object wrapper directly from Python.

I moved the "installation" of the pyscript module to loadInterpreter,
and pyimport pyscript_py there and give it a type. This avoids a bunch
of creating and deleting of proxies for pyscript_py and allows us to
give it a type once and for all.

I also did some minor logic cleanup in a few places.
2023-03-30 04:34:24 +02:00
Jeff Glass
689878ce32 Remove AWS upload (#1331)
Deleted final 2 steps of docs-review to un-break CI
2023-03-29 13:22:21 -05:00
Jeff Glass
d7ab177cc5 Deprecate py-mount Attribute (#1330)
* Deprecate py-mount attribute, with comments as to when it was deprecated

* Add changelog entry for deprecation

* Fix 'unused' examples that used py-mount (handtrack and mario)
2023-03-29 10:49:31 -05:00
aneesh98
f4c6093c47 Docs: make tests should be make test (#1332) 2023-03-29 07:33:32 -07:00
Hood Chatham
9fedfe3699 Use Promise.all to fetch files part of py-config (#1322)
This is a first step towards loading more stuff simultaneously rather
than sequentially.

The functional part of this is pretty small: call `calculateFetchPaths` and
then `Promise.all(fetchPaths.map(loadFileFromURL));`. I also transposed the
return type of `calculateFetchPaths` since it's more convenient to consume
this way.

I redid the logic in `calculateFetchPaths` a bit. I renamed `src/plugins/fetch.ts`
to `calculateFetchPaths.ts` since the file performs no fetching. I also
renamed `loadFromFile` to `loadFileFromURL`.
2023-03-29 07:32:09 -07:00
Hood Chatham
26f07246e1 Allow pyscript package to contain multiple files (#1309)
Followup to pyscript#1232. Closes pyscript#1226.

Use node to make a manifest of the src/python dir and then use an esbuild
plugin to resolve an import called `pyscript_python_package.esbuild_injected.json`
to an object indicating the directories and files in the package folder.
This object is then used to govern runtime installation of the package.
2023-03-29 07:31:14 -07:00
Antonio Cuni
3ae4b3c4de use a dynamic import for loading pyodide. This greatly simplifies the logic around interpreter loading and handling of UserError (#1306) 2023-03-27 18:46:50 +02:00
Madhur Tandon
c8f9f16791 synclink integration (#1258)
synclink integration + fixes for `py-repl` related tests and `display` tests
2023-03-27 20:56:31 +05:30
Antonio Cuni
88f0738500 re-enable blank issues
They were disabled by PR #1157 but without any discussion or consensus, so I guess it was a mistake. Personally I found them very useful and AFAIK we never had a problem of people abusing them, so I don't see why they should be disabled  (#1311)
2023-03-27 17:25:28 +02:00
Jeff Glass
03c79d5f2f Make repl hooks optional (#1310)
`beforeByReplExec()` and `afterPyReplExec()` only called if they exist on a plugin
2023-03-27 09:20:58 -05:00
zipperer
e7c3b7bcfe Update getting-started.md (#1307)
1. replace 'other then' with 'other than'
2. replace 'cherrie' with 'cherry'
2023-03-25 20:16:40 -05:00
Andrea Giammarchi
c8becca044 Slightly imporved pyrepl (#1296)
* removed unnecessary getAttribute
  * removed unnecessary shadow and ShadowDOM in general, as it was never used
  * dropped redundant constructor
  * removed unnecessary usage of the label element
  * fixed redundant always-same buttons IDs
2023-03-24 11:42:45 +01:00
Mariana Meireles
543a27271f Add docs for py-event* (#1300)
* Fix markdown
Add event-handlers.md

* Address changes from Jeff + Antonion and add it to index

* how tos don't exist anymore theyre now guides

* Restore p on contributing

* Adding changelog

* Aadd space

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: Carmelo <carmelofiorello@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-23 17:57:49 +01:00
Fábio Rosado
a62aba83a0 Update changelog date (#1289) 2023-03-23 11:20:20 +00:00
pre-commit-ci[bot]
53c6cf5f45 [pre-commit.ci] pre-commit autoupdate (#1281)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/charliermarsh/ruff-pre-commit: v0.0.254 → v0.0.257](https://github.com/charliermarsh/ruff-pre-commit/compare/v0.0.254...v0.0.257)
- [github.com/codespell-project/codespell: v2.2.2 → v2.2.4](https://github.com/codespell-project/codespell/compare/v2.2.2...v2.2.4)
- [github.com/pre-commit/mirrors-eslint: v8.35.0 → v8.36.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.35.0...v8.36.0)

* Fixes lint

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: mariana <marianameireles@protonmail.com>
2023-03-23 11:58:25 +01:00
Hood Chatham
89842e20da Set pre-commit autoupdate to monthly (#1271)
* Set pre-commit autoupdate to quarterly

Weekly autoupdate creates a lot of noise

* Update .pre-commit-config.yaml

Co-authored-by: Christian Clauss <cclauss@me.com>

---------

Co-authored-by: Christian Clauss <cclauss@me.com>
2023-03-23 10:27:01 +01:00
Jeff Glass
ef793aecf3 Add REPL plugin hooks; Add output, output-mode, stderr attributes (#1106)
* Add before, after REPL hooks

* Re-introduce 'output-mode' attribute for py-repl

* Add plugin execution tests

* Documentation

* Changelog

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: mariana <marianameireles@protonmail.com>
2023-03-22 20:19:22 -05:00
Andrea Giammarchi
51d51409d3 Using esbuild instead of rollup (#1298) 2023-03-22 16:57:37 +01:00
Fábio Rosado
371b5eac45 Add tests for snippets in docs (#1264) 2023-03-22 15:34:23 +00:00
Mariana Meireles
5319bd13d5 Fix tests running on osx + remove auto-gen where doesnt make sense (#1297)
* Fix tests running on osx + remove auto-gen where doesnt make sense

* Linting

* Adds a changelog

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-21 14:39:51 +01:00
Andrea Giammarchi
e10d055453 Docked auto py-terminal (#1284) 2023-03-20 10:22:16 +00:00
Mariana Meireles
716254e655 Revert "Ruff: Add pylint (#1277)" (#1283)
This reverts commit 4c00b1683f.
2023-03-14 17:46:13 +01:00
Christian Clauss
4c00b1683f Ruff: Add pylint (#1277) 2023-03-13 18:03:15 +01:00
Hood Chatham
37c9db09c6 Fix many ESlint errors (#1265)
* Unvendor toml package

* Fix many ESlint errors

For mysterious reasons, these errors appear on my branch #1262 even
though they are not related to changes there. The eslint config seems
a bit unstable.

Anyways this fixes them.

* Put back Record

* Fix typescript compilation

* Fix lints

* Try @iarna/toml instead

* Fix import

* Use @ltd/j-toml

* Update test

* Use toml-j0.4

* Some changes

* Fix toml import

* Try adding eslint gha job

* Add forgotten checkout action

* Force CI to run

* Blah

* Fix

* Revert changes to github workflow

* Fix lints

* wget toml-j0.4 type definitions

* Add toml-j types workaround to eslint workflow

* Apply formatter

* Use @hoodmane/toml-j0.4

* Import from @hoodmane/toml-j0.4
2023-03-13 15:51:28 +01:00
Fábio Rosado
653e2c9be4 Revert changes to the sync workflow (#1276) 2023-03-13 13:39:17 +00:00
Kanishk Pachauri
a2a9613da1 Added Pull request template (#1279)
* Added Pull request template

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: you@example.com <you@example.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-13 13:03:47 +00:00
Antonio Cuni
e8d92d0d34 we cannot use ../build paths in the main examples/ directory (#1275) 2023-03-11 10:35:26 +00:00
Fábio Rosado
755b98a8c0 Update sync-examples CI to be run manually as well (#1274) 2023-03-11 10:34:59 +00:00
Hood Chatham
13e9252260 Run eslint in github actions, skip it in precommit.ci (#1268)
precommit.ci seems to have different results than when I run eslint
locally. At least at first glance, github seems to behave the same
as local. So this turns off eslint in pre-commit.ci and turns it on
in gha.
2023-03-09 14:48:24 +05:30
Hood Chatham
6a9c27325a Fix typo in workflow file (#1266) 2023-03-09 14:45:36 +05:30
Hood Chatham
a1cb78eb85 Fix paths in py-unit/conftest.py (#1269)
The path logic here assumes that the tests are being run from inside
the pyscriptjs directory. It is better to compute releative to `Path(__file__)`
so that it does not depend on the working directory
2023-03-09 14:44:33 +05:30
Hood Chatham
716b57ebd3 Pass --fix to ruff in pre-commit to enable autofixes (#1270) 2023-03-09 14:43:42 +05:30
pre-commit-ci[bot]
8e231313b8 [pre-commit.ci] pre-commit autoupdate (#1260)
updates:
- [github.com/charliermarsh/ruff-pre-commit: v0.0.247 → v0.0.254](https://github.com/charliermarsh/ruff-pre-commit/compare/v0.0.247...v0.0.254)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Madhur Tandon <20173739+madhur-tandon@users.noreply.github.com>
2023-03-09 14:42:59 +05:30
Hood Chatham
84e4e361c5 Unvendor toml package (#1263)
* Unvendor toml package

* Try @iarna/toml instead

* Fix import

* Use @ltd/j-toml

* Update test

* Use toml-j0.4

* Fix toml import
2023-03-09 14:36:43 +05:30
Mariana Meireles
41a8d804e3 Attrs doc (#1125)
* adds attr ref

* lint

* address comments

* Addressing to Fabio's rewrite
2023-03-07 11:49:46 +01:00
Hood Chatham
03e798a079 Add prettier to pre-commit (#1255)
* Add prettier to pre-commit

* Apply prettier
2023-03-07 15:02:16 +05:30
Hood Chatham
34a0205757 Add missing </body> tags (#1256) 2023-03-06 22:11:46 +05:30
dependabot[bot]
ba145f04ea Bump json5 from 2.2.1 to 2.2.3 in /pyscriptjs (#1216) 2023-03-06 16:24:17 +00:00
Hood Chatham
22fd023635 More automatically generated formatter changes (#1254)
Apparently some of these were accidentally lost when generating #1210...
2023-03-06 15:06:30 +00:00
Hood Chatham
08f34f748b Apply prettier to css, html, js, md, ts, and yml (#1249)
* Apply prettier to css, js, html, md, ts, and yml

As a followup I will add prettier to the .pre-commit config.
This patch is 100% generated by prettier.
I used a forked version of prettier that understands the
py-script tag.
See https://github.com/hoodmane/pyscript-prettier-precommit
for more info.

* Apply old pre-commit

* Revert some problems

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Revert some changes

* More changes

* Fix pre-commit

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-06 14:20:21 +00:00
Christian Clauss
7ffe6a598e pre-commit: Add ruff to replace bandit, flake8, isort, and pyupgrade (#1210)
* pre-commit: Add ruff to replace bandit, flake8, isort, and pyupgrade

* Upgrade ruff

* Update .pre-commit-config.yaml

* Update .pre-commit-config.yaml

* Update .pre-commit-config.yaml
2023-03-06 14:20:08 +00:00
Kd-Here
71d24a445e Add description of src attribute to py-script (#1136)
* Added description of src attribute to py-script

* Description for py-script src attribute

* resolved mistake of raised by pre-commit

* Update docs/reference/elements/py-script.md

---------

Co-authored-by: Fábio Rosado <hello@fabiorosado.dev>
2023-03-06 12:39:55 +00:00
Fábio Rosado
6bcbbfb085 Add tutorial for using requests (#1164) 2023-03-06 12:36:52 +00:00
Hood Chatham
04fe1348d8 Fix test reporter again (#1247)
* Fix test reporter again

* Escape brackets
2023-03-06 17:15:01 +05:30
Madhur Tandon
3033c779b0 use mkdirTree in emscripten FS (#1245)
* try mkdirTree

* suggested changes

* fix pre-commit
2023-03-04 18:48:01 +05:30
Hood Chatham
4483f0db0f Move prism.js and prism.css to prism.min.* (#1248) 2023-03-03 17:32:06 +00:00
Madhur Tandon
727267ae22 split interpreter class (#1218)
* split interpreter class

* add new files

* add newlines

* disable eslint for run

* remove usage of interpreter from unit test

* delete fakeinterpreter class

* fix unit tests

* add comments

* remove interpreter.ts and pyodide.ts files

* suggested changes
2023-03-03 22:23:52 +05:30
Hood Chatham
b5d15c2f7e Actually generate test reports (#1246) 2023-03-03 14:10:48 +01:00
Hood Chatham
589c614e57 Fix syntax errors in html files, apply dos2unix, prettier everything (#1244)
* Fix syntax errors in html files

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-03 12:59:49 +01:00
Hood Chatham
4588e90226 Add test reporter (#1242)
* Add test reporter

* Fix indendation

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-03-02 12:38:51 +00:00
Hood Chatham
8665a14dec Begin making pyscript.py into a Python package (#1232)
* Begin making pyscript.py into a Python package

* Fix path
2023-03-02 12:30:43 +00:00
Jeff Glass
43d598d951 Fix Failing test_multiple_async (#1237) 2023-02-28 07:21:10 -06:00
Fábio Rosado
68018cf078 Add intersphinx and some docs (#1217)
* Add intersphinx and some docs

* Remove spaces

* Address Jeff comments
2023-02-28 11:37:21 +00:00
Jeff Glass
ef4ab0d7a8 Add typing for tagExecutionLock (#1235) 2023-02-28 12:27:49 +05:30
Hood Chatham
e66a2702df Fix error message (#1225) 2023-02-28 12:22:40 +05:30
Hood Chatham
c57d4a7054 Remove @staticmethod decorator from top level definitions (#1224) 2023-02-28 12:22:13 +05:30
Hood Chatham
a36f08f0f1 Try new import path and fall back to old one (#1223) 2023-02-28 12:21:55 +05:30
pre-commit-ci[bot]
760a8c75a5 [pre-commit.ci] pre-commit autoupdate (#1234)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.34.0 → v8.35.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.34.0...v8.35.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-02-28 12:12:28 +05:30
Jeff Glass
740fd921e1 Make plugin methods optional (#1134)
* Make plugin methods optional using optional chaining on all methods.
2023-02-27 20:14:07 -06:00
Jeff Glass
065c697070 Fix by comparing to str(results)) (#1233) 2023-02-27 19:45:24 -06:00
Madhur Tandon
e2c2459290 wrap runPython in async (#1212) 2023-02-21 20:35:19 +00:00
pre-commit-ci[bot]
11c79a5344 [pre-commit.ci] pre-commit autoupdate (#1211)
updates:
- [github.com/macisamuele/language-formatters-pre-commit-hooks: v2.6.0 → v2.7.0](https://github.com/macisamuele/language-formatters-pre-commit-hooks/compare/v2.6.0...v2.7.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-02-21 09:16:17 +00:00
pre-commit-ci[bot]
429fe4c356 [pre-commit.ci] pre-commit autoupdate (#1202)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.33.0 → v8.34.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.33.0...v8.34.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-02-14 11:14:02 +00:00
Russell Keith-Magee
a18b4edfc0 Updated freedom demo to make use of Toga 0.3.0 and briefcase web backend. (#1203) 2023-02-14 11:13:39 +00:00
Mariana Meireles
b14a2bba5f Marimeireles fix/#1081 (#1155)
* Improves repl id output

* Fix tests for new REPL output ids

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add new REPL tests

* Pre commit linting

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Remove mistake

* Fixing tests that i didn't notice were broken?

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-02-14 07:51:43 +01:00
Ted Patrick
1f825edc28 Issues Configuration (#1157)
* Issues Configuration

* format

* Remove issue staler
2023-02-09 17:05:54 -06:00
Mariana Meireles
6ed834807a Adding info on how to set up test env + rewording a few things (#1156)
* Adding info on how to set up test env + rewording a few things

* changelog entry

* lint
2023-02-08 11:25:12 -08:00
Madhur Tandon
9a908e5fd0 Upgrade Pyodide to v0.22.1 (#1144)
* upgrade to pyodide 0.22.1

* pin bokeh in panel examples

* fix typo

* fix tests by using custom bokeh wheel

* fix bokeh interactive test

* adhere to new loadPackage API
2023-02-08 22:01:51 +05:30
Mariana Meireles
4c30359b71 Missing one line to make test (#1154)
`make test` command was incomplete.
2023-02-07 11:18:45 +05:30
pre-commit-ci[bot]
34dfe2d80b [pre-commit.ci] pre-commit autoupdate (#1153)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/psf/black: 22.12.0 → 23.1.0](https://github.com/psf/black/compare/22.12.0...23.1.0)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-02-07 11:17:57 +05:30
Fábio Rosado
25bcff10b7 Fix import warning for js.document (#1151) 2023-02-06 16:11:47 +00:00
Fábio Rosado
81268d0545 Add config option to splashscreen so users can disable it plus docs (#1138)
* Allow disabling splashscreen

* Move disabled to if statement

* Add docs for py-splashscreen and test for logging

* Add entry to changelog

* Address Jeff's comments

* Rename disabled option to enabled and set to true by default

* Fix logic and tests

* Uncomment test

* Fix test
2023-02-04 15:56:48 +00:00
Madhur Tandon
8f0a7706d7 fix py-markdown plugin test (#1145) 2023-02-04 20:57:17 +05:30
Mariana Meireles
46150f9b80 complete install guide (#1140) 2023-01-31 08:18:58 -08:00
INC
247745b7e7 Fixing docs Issue #1033 (#1037)
* Move the info in /pyscriptjs/README.md to /docs/development/developing.md

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* setting-up-environment.md: Markdown Linting

---------

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2023-01-31 12:28:25 +00:00
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94cc09b610 [pre-commit.ci] pre-commit autoupdate (#1139)
updates:
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- [github.com/pre-commit/mirrors-eslint: v8.32.0 → v8.33.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.32.0...v8.33.0)

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2023-01-31 10:49:14 +05:30
Jeff Glass
a210b2d5f5 Improve typing on PyScriptTag (#1135) 2023-01-26 09:38:07 -06:00
Jeff Glass
12bf6db331 Change Plugin Hooks to Use options object/kwargs (#1132) 2023-01-26 07:20:04 -06:00
Madhur Tandon
697ac9de9a fix exception thrown but not shown in DOM in event handler (#1131)
* fix exception not thrown in event handler

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2023-01-25 20:08:05 +05:30
Fábio Rosado
4124bb5edc Restructure the tutorials index page (#1090) 2023-01-25 12:28:23 +00:00
Fabio Pliger
d55340a817 Better test support for Python Plugins (#1108)
* add plugins testing utils module

* add plugins manager fixture and init plugins tests helper in conftest

* add _custom_elements attribute to pyscript.Plugin to allow plugins to track the CE they register

* add test for py_tutor

* remove unrelated code from prims js script

* ensure a Plugin always has the app attribute and improve tests

* add tests for py_tutor create_code_section

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* add test to check if plugin has been registered

* add docstrings to new tests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* add docstrings to plugins tester

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2023-01-24 13:32:16 -08:00
Mohammad Anash
0de8cd9ab7 Update README to point to development docs (#1129) 2023-01-24 19:57:00 +00:00
Madhur Tandon
4e8281c749 fix display multiple append with target (#1126)
* fix display multiple append with target

* flake8 ignore long lines

* fix img render test
2023-01-24 22:01:19 +05:30
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357fbc644d [pre-commit.ci] pre-commit autoupdate (#1127)
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2023-01-24 11:20:07 +05:30
Fábio Rosado
7947a8a2dc Add an id if the user forgot when using py-attribute (#1122) 2023-01-21 20:48:27 +00:00
Fábio Rosado
35de3aa154 Add f string formatting ignore (#1121) 2023-01-20 21:14:43 +05:30
pre-commit-ci[bot]
1ea687beb8 [pre-commit.ci] pre-commit autoupdate (#1111)
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2023-01-20 21:14:32 +05:30
Fábio Rosado
bb5c59307a Rename runtimes with interpreter (#1082) 2023-01-16 18:52:31 +00:00
Mariana Meireles
5a3c414c8f we don't really use numpy here (#1101) 2023-01-11 19:43:26 -08:00
Fábio Rosado
cc4b460183 Allow fetching plugins from URL (#1065) 2023-01-11 17:03:53 +00:00
Jeff Glass
470c3489dd Restore output attribute of py-script tags, add py-script exec lifecycle hooks (#1063)
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2023-01-10 13:00:29 -06:00
Jeff Glass
e1b4415193 Fix Flaky test_execute_on_shift_enter (#1097)
* Wait for text to render in DOM before 'assert', to fix timing issue.
2023-01-05 07:29:20 -06:00
Jeff Glass
77d98a565e In a Py-Repl, Shift Enter Shouldn't Insert Newline (#1094)
* Prevent shift-enter adding newlines in Py-Repl

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2023-01-04 12:26:46 -06:00
Fábio Rosado
412da2de08 Add version file (#1087) 2023-01-03 17:31:13 +00:00
Fábio Rosado
dbdcd0b3d0 Remove deprecated elements and adds deprecation banner to pys-on (#1084)
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2023-01-03 13:14:20 +00:00
pre-commit-ci[bot]
5c67384fbf [pre-commit.ci] pre-commit autoupdate (#1086)
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2023-01-03 10:55:37 +00:00
Fábio Rosado
35b0f9d377 pys-onClick shouldn't prevent splashscreen from closing (#1069) 2022-12-30 12:34:27 +00:00
Fábio Rosado
95783bc284 Add changelog to docs (#1066) 2022-12-29 23:07:39 +00:00
Ioannis Chrysostomakis
4b840f7cbd Minor refactoring in logger and pyconfig (#1072) 2022-12-28 10:51:21 +00:00
pre-commit-ci[bot]
f73d6cd9f2 [pre-commit.ci] pre-commit autoupdate (#1078)
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2022-12-27 19:05:40 +00:00
Roman Kehr
15bb8f03ea Pandas example file for /examples folder (#1067)
* Add files via upload

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2022-12-26 10:38:16 +00:00
Jeff Glass
059dbc88c9 Don't add plugin to manager twice (#1064)
* Prevent Python plugins from being added to PluginManager twice
2022-12-21 12:10:01 -06:00
Fabio Pliger
c0f36aa047 examples inspector plugin (#1040)
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2022-12-20 07:48:07 -08:00
pre-commit-ci[bot]
d4120d2af3 [pre-commit.ci] pre-commit autoupdate (#1056)
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2022-12-20 12:09:44 +00:00
Nayan Khedkar
dd1c008447 missing closing > in img tag (#1058) 2022-12-20 10:26:22 +00:00
Jeff Glass
3721d2cd72 Add name:pyscript to minified output (#1054) 2022-12-16 19:11:58 -06:00
Roman Kehr
e0dda0e547 Fixed "Direct usage of document is deprecated." warning (#1052) 2022-12-16 20:28:12 +00:00
Jeff Glass
3c7568c72c Adjust version_info test regex - no dot (#1045)
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2022-12-13 16:10:06 -06:00
Ted Patrick
6be1758548 Back to development 2022-12-13 11:39:11 -06:00
Ted Patrick
25809660ef 2022.12.1 (#1044)
* 2022.12.1

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2022-12-13 08:06:38 -06:00
pre-commit-ci[bot]
6b9eff45bb [pre-commit.ci] pre-commit autoupdate (#1042)
updates:
- [github.com/psf/black: 22.10.0 → 22.12.0](https://github.com/psf/black/compare/22.10.0...22.12.0)
- [github.com/pycqa/isort: 5.10.1 → 5.11.1](https://github.com/pycqa/isort/compare/5.10.1...5.11.1)
- [github.com/asottile/pyupgrade: v3.3.0 → v3.3.1](https://github.com/asottile/pyupgrade/compare/v3.3.0...v3.3.1)

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2022-12-13 10:12:34 +05:30
Madhur Tandon
08e83feaf5 getPySrc should return source code (#1041)
* getPySrc should return source code

* fix lint

* add test

* fix dynamic tag test

* address feedback
2022-12-13 02:41:21 +05:30
Madhur Tandon
4f05b5afc6 remove fetching of pyscript.py from tutorial (#1036)
* remove fetching of pyscript.py from tutorial

* fix indentation
2022-12-10 01:04:04 +05:30
Fabio Pliger
9a5bf9918e Fix py-markdown plugin (#1008)
* fix wrong console method and unescape the tag content before running markdown on it

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* add markdown plugin example test

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* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* remove import of console from pyscript

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2022-12-08 10:09:31 -08:00
Jeff Glass
1c7cf0ba7d Bump bokeh, panel versions (#1032)
Bump panel version 13.1 -> 14.1 ; bump bokeh version 2.4.2 -> 2.4.3
2022-12-08 11:40:48 -06:00
Ted Patrick
ce2d1a4513 Release 2022.12.1.RC1 (#1030)
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2022-12-08 07:49:22 -06:00
Madhur Tandon
7d50d7eea0 add docs for using display with matplotlib (#1029) 2022-12-08 07:38:45 -06:00
Fábio Rosado
e9411dc796 Fix the toga example (#1028) 2022-12-08 10:52:09 +00:00
Fábio Rosado
5cf2de16d1 Remove freedom units from examples (#1026) 2022-12-07 12:53:03 +00:00
Ted Patrick
e53bcf15a9 Fix for D3 and 3JS demos (#1025)
* fix for d3 example

* fix webgl +upgrade 3js
2022-12-06 13:36:03 -06:00
Madhur Tandon
bec70b60b8 add reference to Jeff's blog (#1024)
* add reference to Jeff's blog

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2022-12-06 23:08:12 +05:30
Fábio Rosado
8b7fb89c68 Update docs examples so they don't use deprecated features, styling tweaks (#982)
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2022-12-06 14:36:17 +00:00
Madhur Tandon
b2bbdda73d updated docs for fetch (#1019) 2022-12-06 19:36:23 +05:30
Madhur Tandon
ee2f46cfb9 split py-config into sections (#1022)
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2022-12-06 19:26:19 +05:30
Fábio Rosado
4337e6833a Rewrite the get started tutorial using the ice cream demo (#985)
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Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>

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2022-12-06 13:47:08 +00:00
Jeff Glass
a73c73b814 Fix antigravity (#1017)
* Fix antigravity

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2022-12-06 19:09:58 +05:30
Antonio Cuni
e8318a98f0 Introduce DeprecatedGlobal and show proper warnings (#1014)
* kill the PyScript class and the weird pyscript instance; from the user point of view its functionalities are still available as pyscript.*, but pyscript is not the module, not the instance of PyScript

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2022-12-06 19:01:57 +05:30
Ted Patrick
94f2ac6204 Fake server 404 support (#994)
* Fake server 404 support

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* test fix

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2022-12-05 21:26:11 -06:00
pre-commit-ci[bot]
cc6cb4ded0 [pre-commit.ci] pre-commit autoupdate (#1021)
updates:
- [github.com/macisamuele/language-formatters-pre-commit-hooks: v2.4.0 → v2.5.0](https://github.com/macisamuele/language-formatters-pre-commit-hooks/compare/v2.4.0...v2.5.0)
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2022-12-05 21:07:16 -06:00
Fábio Rosado
c61d4191c3 Convert image bytes to base64 in pyscript's render_image (#1020)
* Convert bytes to b64 if needed

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2022-12-05 21:37:03 +00:00
Madhur Tandon
e284da7c09 Fix clashing test names (#1018)
* rename tests

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2022-12-06 00:43:02 +05:30
Fábio Rosado
9992096654 Add Element to the API reference (#998) 2022-12-05 15:14:34 +00:00
Mariana Meireles
c696d92f40 Rm MIME types that we don't offer support to (#1013) 2022-12-05 16:09:34 +01:00
Fábio Rosado
af60299324 Improve UX when we can't install a package (#1000) 2022-12-05 14:35:15 +00:00
Fábio Rosado
5aa9135a34 Remove comments from github actions (#1011) 2022-12-02 14:11:59 +00:00
Mariana Meireles
72e23ac86f Rm id use (#912)
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2022-12-02 00:59:21 +01:00
Madhur Tandon
33d49ad87d add docstrings for loadFromFile (#997)
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2022-11-30 20:54:10 +05:30
pre-commit-ci[bot]
aa2335ca2e [pre-commit.ci] pre-commit autoupdate (#990)
updates:
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2022-11-30 09:05:26 -06:00
Fábio Rosado
b31428006c Use response.ok instead of just status 200 (#999) 2022-11-30 13:17:48 +00:00
Madhur Tandon
dc1d583791 remove unneeded imports (#991) 2022-11-30 15:16:16 +05:30
Jeff Glass
4299a74e40 Invalidate Importlib's Module Cache on Writes to FS (#996)
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Fabio Pliger
3e408b7baa Python Plugins (#961)
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* change plugin events logs

* remove unused PyPlugin

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* fix type import

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* rename addPythonPlugin method

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* remove all from global scope

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* fix pyodide import but handling the diff in their API change

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* oops, conflict resolution blooper

* Fix failing integration tests

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jeff Glass <glass.jeffrey@gmail.com>
Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
Co-authored-by: FabioRosado <fabiorosado@outlook.com>
2022-11-28 12:39:31 -06:00
Fábio Rosado
446c131ccb Deprecate pyscript output attribute (#981)
* Deprecate pyscript output attribute

* Update pyscriptjs/src/components/pyscript.ts

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
2022-11-25 18:04:27 +00:00
Fábio Rosado
b062efcf17 Add error codes to our custom errors (#959) 2022-11-25 17:04:10 +00:00
Mariana Meireles
30e31a86ef Fix test and add new ones to close 878 (#971)
* Fix test and add new ones to close 887

* lint
2022-11-25 17:40:36 +01:00
Fábio Rosado
182272e8c7 Add tests for changes to examples/ (#980) 2022-11-24 11:17:52 +00:00
Fábio Rosado
06df21e8e3 Add three new tutorials and small tweaks to docs (#972) 2022-11-24 10:53:22 +00:00
Fábio Rosado
cafebd68f2 Fix failing tests (#978) 2022-11-24 09:46:06 +00:00
woxtu
061d4b3f72 Use a more precise type (#976) 2022-11-23 19:16:26 +00:00
Jason Washburn
6586e79d5e remove deprecated ref in getting started doc (#974) 2022-11-23 16:52:26 +00:00
Fábio Rosado
cda6c6bc7e Update docs GitHub actions to deploy to unstable or latest (#977) 2022-11-23 16:51:11 +00:00
Fábio Rosado
a628026838 Restyle examples and add button to show code on all examples (#968) 2022-11-22 15:46:54 +00:00
pre-commit-ci[bot]
6700856b9f [pre-commit.ci] pre-commit autoupdate (#970)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.27.0 → v8.28.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.27.0...v8.28.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-11-22 12:21:36 +05:30
Lukas Schönmann
411aa0bbed Remove hardcoded cursor for <input> (#967) 2022-11-21 21:10:24 +00:00
woxtu
0d79d31b96 Specify the unknown type (#965) 2022-11-21 23:43:57 +05:30
Jeff Glass
cb05a9b067 Export Version from JS Module (#963)
* Export PyScript version from js module

* Add docs and test
2022-11-20 09:58:09 -06:00
woxtu
536f359fb9 Fix a typo (#964) 2022-11-20 13:51:09 +00:00
Jeff Glass
56e888ed33 Fix stray capitalization in file name (#960) 2022-11-19 03:39:54 +05:30
Jeff Glass
687b93d148 Import PyScript Version into Python Runtime (#958)
* Import current version as PyScript.__version__ and PyScript.version_info

* Add integration, python unit tests
 
* Mock pyscript.py with __mocks__/pyscript.js to make jest tests happy
2022-11-18 11:49:45 -06:00
Fábio Rosado
0e1c396d7c Add div id to target in the display so examples get displayed in the right tag (#955)
* Add target to display

* Remove output from examples
2022-11-17 14:51:16 +00:00
Jeff Glass
7e24289703 Unwind async/await chains (#957)
*Cleanup several spots where runtime.run() no longer needs to be awaited, now that #928 is merged.
2022-11-16 13:42:40 -06:00
Jeff Glass
0b23310a06 Remove 'Implicit Async', Don't Await runtime.run() (#928)
* Revert to runPython instead of await runPythonAsync

* "Implicit Coroutines" are no longer permitted in py-script tags

* Tests added for the above

* xfail test_importmap (See #938)
2022-11-16 13:11:40 -06:00
Antonio Cuni
41ebaaf366 More plugins: splashscreen and importmap (#938)
This PR move codes from main.ts into two new plugins:

- splashscreen (formerly known as py-loader)
- importmap

The old setting config.autoclose_loader is still supported but deprecated; the new setting is config.splashscreen.autoclose.

Moreover, it does a small refactoring around UserError: now UserErrors are correctly caught even if they are raised from within afterRuntimeLoad.
2022-11-16 18:08:17 +01:00
Ted Patrick
b79ceea7a8 version number in build (#953) 2022-11-15 15:50:25 -06:00
Fábio Rosado
b990bcb67a Add basic docs for py-terminal (#933)
* Add basic docs for py-terminal

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add Antonio's suggestions

* Remove terminal = true

* fix typo

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
2022-11-15 15:35:50 +00:00
pre-commit-ci[bot]
3f0f2d9910 [pre-commit.ci] pre-commit autoupdate (#951)
updates:
- [github.com/asottile/pyupgrade: v3.2.0 → v3.2.2](https://github.com/asottile/pyupgrade/compare/v3.2.0...v3.2.2)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-11-15 18:25:18 +05:30
Fábio Rosado
4333f5f979 Zip the build folder and add it to release (#949) 2022-11-14 20:32:11 +00:00
Madhur Tandon
07e75293b8 use a const for run button svg (#948)
* use a const for run button svg

* remove id

* remove consts.ts file
2022-11-15 01:47:36 +05:30
Fábio Rosado
a9ca7106cb Fix deprecated message (#950) 2022-11-15 01:36:21 +05:30
Fábio Rosado
da2728e6df Add flag to send HTML or plain Text to banner (#947) 2022-11-14 18:36:54 +00:00
Fábio Rosado
adfa9a9b05 Deprecate py-button, py-inputbox, py-box and py-title (#931) 2022-11-14 16:29:28 +00:00
Madhur Tandon
be9b9f66d3 remove one more unneeded import (#946) 2022-11-14 19:09:03 +05:30
Madhur Tandon
9521bc7175 remove unneeded import (#945) 2022-11-14 17:07:33 +05:30
Fábio Rosado
b445f8a834 Handle non-200 code when fetch py-script src (#940) 2022-11-12 10:07:51 +00:00
Fábio Rosado
3c3dffd5ed Raise error if we get a non 200 status from fetch (#935)
* Raise error if we get a non 200 status from fetch

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add custom exception

* Add check for TypeError as well

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-11-10 15:00:41 +00:00
Antonio Cuni
4c8443fd00 Make HTTP cache persisten across sessions (#936)
* use pytest-cache to cache HTTP requests, so that it survives across multiple runs

* add an option to clear the HTTP cache

* add some docs about pytest
2022-11-10 15:01:27 +01:00
Fábio Rosado
06a5a54103 Fix banner width (#930) 2022-11-09 16:42:10 +00:00
Antonio Cuni
0d3c3eef4e Introduce a Plugin system, implement <py-terminal> as a plugin (#917)
This PR does two things:

1. introduce the first minimal version of a Plugin system. Plugins are subclasses of the Plugin class, and pyscript will call the relevant methods/hooks at the right time. Currently, I have added only the minimal sets of hooks which were needed for this PR.

2. Implement <py-terminal> as a plugin.
2022-11-09 16:17:21 +01:00
Madhur Tandon
f0a6fb913f add test for not escaping characters in pyconfig (#929) 2022-11-09 12:18:02 +05:30
Madhur Tandon
5f0c508fed use user error for paths calculation (#927) 2022-11-09 03:13:18 +05:30
pre-commit-ci[bot]
16d9657982 [pre-commit.ci] pre-commit autoupdate (#922)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.26.0 → v8.27.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.26.0...v8.27.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-11-09 03:01:19 +05:30
Madhur Tandon
40d098310e decode innerhtml for pyconfig (#926) 2022-11-09 03:00:37 +05:30
Fábio Rosado
1345449d57 Create error or warning level banners and allow users to close it (#909) 2022-11-08 17:19:01 +00:00
Madhur Tandon
515858f313 implement proposal for fetching paths and retaining structure of dirs and packages (#914)
* implement proposal

* update docs and replace py-env

* more docs

* suggested proposal

* update docs

* add to_file parameter

* remove comment from Makefile

* suggested improvements

* move tests from basic to py_config

* retain leading slash from the first path
2022-11-08 17:26:45 +05:30
Fábio Rosado
2f452e9dc7 Add development section to our docs (#920) 2022-11-07 15:36:05 +00:00
Antonio Cuni
66119157a7 display() should escape by default (#915)
- display(some_str) escapes the string by default. This is almost always what you want

- display(some_obj) calls repr(obj) and escapes the result. Again, it's a very sensible default

- if you want to inject some raw HTML in the output, you can use the new HTML class: display(HTML("<p>hello</p>")).
2022-11-03 09:20:10 +01:00
pre-commit-ci[bot]
5b671dd1d0 [pre-commit.ci] pre-commit autoupdate (#913)
updates:
- [github.com/asottile/pyupgrade: v3.1.0 → v3.2.0](https://github.com/asottile/pyupgrade/compare/v3.1.0...v3.2.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-11-01 14:05:10 +05:30
woxtu
1017362eec Use globalThis (#908) 2022-10-31 15:25:36 +01:00
Antonio Cuni
f67b8e0285 Fix py-repl auto-generate=true (#910)
What is not tested is broken man_facepalming
Test&fix <py-repl auto-generate=true> which was broken by PR #884
2022-10-31 12:55:20 +01:00
woxtu
4c635fe84c Add syntax highlighting (#903) 2022-10-31 14:55:11 +05:30
Mariana Meireles
68e463493e Address to Jeff's review on output docs + Ted's remodeling of docs (#866) 2022-10-29 16:24:18 +01:00
Ted Patrick
f1979d60b7 Add Fabio Rosado (#899) 2022-10-28 10:41:34 -05:00
Ted Patrick
9150ebafec Fix py-repl docs (#896) 2022-10-28 07:21:48 -05:00
woxtu
9543019336 Format the TypeScript files (#877) 2022-10-28 14:18:27 +05:30
Fábio Rosado
1c53d91c6b Add more type definitions (#882)
* More typing to base.ts

* Add more types

* More types
2022-10-27 17:48:28 -05:00
Jeff Glass
4850f39b5a Upgrade to Pyodide 0.21.3 (#887)
* Upgrade to Pyodide 21.3

* During the PyodideRuntime test, set the indexURL parameter of loadPyodide to allow Jest to find pyodide-adjacent files.
2022-10-27 15:16:17 -05:00
Madhur Tandon
ab085c2d92 Retain path structure for loading paths (#845)
* update retain dir structure logic to use emscripten FS APIs

* remove unused import

* replace error message
2022-10-27 20:08:58 +05:30
Madhur Tandon
bf4d835948 remove duplicate pytest_configure (#894) 2022-10-27 16:57:12 +05:30
Antonio Cuni
214e39537b Simplify pyrepl.ts and kill base.ts (#884)
Major highlights:

1. Merge&simplify base.ts and pyrepl.ts; kill base.ts
2. improve and extente the py-repl integration tests
3. Reorder the code in pyrepl.ts. This part of the PR doesn't change much of the concrete logic: it's just a sequence of renaming variables, moving code around, group code into functions, killing code which is no longer needed. But the end result is much better and nicer to read, IMHO.

Minor highlights:

1. py-repl now uses the new logic in pyexec.ts to run the code

2. after PR Add display impl, rm outputManage, print and console.log default to browser console #749 py-repl no longer displayed the result of the last evaluated expression (e.g. if you typed 42 and run it, it displayed nothing). This PR re-introduces this behavior, which is what you would expect by a REPL.

3. improve the pytest --dev option: now it implies --no-fake-server so that sourcemaps works automatically

4. improve the names of the CSS classes to be more consistent

5. kill pyrepl.test.ts: the old tests didn't check anything useful,  this style of unit test doesn't really add much value if you have good integration tests (which now we have) and trying to revive them was not worth the hassle
2022-10-27 10:10:57 +02:00
Antonio Cuni
2d33afc195 try to display a reasonable message if you run a bare 'pytest' command (#890) 2022-10-26 18:05:12 +02:00
Ted Patrick
87ea24ebd4 header for pyrepl table (#889) 2022-10-25 19:34:27 -05:00
Ted Patrick
5380f8b9b3 Reference Docs (#888)
* Reference Docs

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* py-repl

* pyrepl

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-10-25 17:42:30 -05:00
Fábio Rosado
00121ff8ba Remove svelte (#886) 2022-10-25 14:49:53 -05:00
pre-commit-ci[bot]
80e5d20e37 [pre-commit.ci] pre-commit autoupdate (#885)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.25.0 → v8.26.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.25.0...v8.26.0)

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2022-10-24 17:48:54 -05:00
Antonio Cuni
58f7c2137d Introduce/improve check_js_errors and improve test_no_implicit_target (#874)
Until now, we didn't have a nice way to check that we expect a specific JS error in the web page.
This PR improves check_js_errors() so that now you can pass a list of error messages that you expect.
It is tricky because we need to handle (and test!) all various combinations of cases:

- errors expected and found / expected but not found
- unexpected errors found / not found

Moreover, JS exceptions now are logged in the special category console.js_error, which means that the printed text is also available using e.g. self.console.js_error.text or self.console.all.text. However, this should never be required and it's preferred to use self.check_js_errors to check for exceptions. This fixes #795 .

Finally, use the new logic to improve test_no_implicit_target.
2022-10-24 16:24:52 +02:00
Antonio Cuni
f9194cc833 Refactor how py-script are executed, kill scriptQueue store, introduce pyExec (#881)
Yet another refactoring to untangle the old mess.
Highlights:

base.ts, pyscript.ts and pyrepl.ts were a tangled mess of code, in which each of them interacted with the others in non-obvious ways. Now PyScript is no longer a subclass of BaseEvalElement and it is much simpler. I removed code for handling the attributes std-out and std-err because they are no longer needed with the new display() logic.

The logic for executing python code is now in pyexec.ts: so we are decoupling the process of "finding" the python code (handled by the py-script web component) and the logic to actually execute it. This has many advantages, including the fact that it will be more easily usable by other components (e.g. pyrepl). Also, note that it's called pyexec and not pyeval: in the vast majority of cases in Python you have statements to execute, and almost never expressions to evaluate.

I killed the last remaining global store, scriptQueue tada. As a bonus effect, now we automatically do the correct thing when a <py-script> tag is dynamically added to the DOM (I added a test for it). I did not remove svelte from packages.json, because I don't fully understand the implications: there are various options which mention svelte in rollup.js and tsconfig.json, so it's probably better to kill it in its own PR.

pyexec.ts is also responsible of handling the default target for display() and correct handling/visualization of exceptions. I fixed/improved/added display/output tests in the process.
I also found a problem though, see issue #878, so I improved the test and marked it as xfail.

I removed BaseEvalElement as the superclass of most components. Now the only class which inherits from it is PyRepl. In a follow-up PR, I plan to merge them into a single class and do more cleanup.

During the refactoring, I killed guidGenerator: now instead of generating random py-* IDs which are very hard to read for humans, we generated py-internal-X IDs, where X is 0, 1, 2, 3, etc. This makes writing tests and debugging much easier.

I improved a lot our test machinery: it turns out that PR #829 broke the ability to use/view sourcemaps inside the playwright browser (at least on my machine).
For some reason chromium is unable to find sourcemaps if you use playwrights internal routing. So I reintroduced the http_server fixture which was removed by that PR, and added a pytest option --no-fake-server to use it instead, useful for debugging. By default we are still using the fakeserver though (which is faster and parallelizable).

Similarly, I added --dev which implies --headed and also automatically open chrome dev tools.
2022-10-23 23:31:50 +02:00
Jeff Glass
d9b8b48972 Export Runtime from PyScript Module (#868)
* export 'pyscript' JS module with runtime attribute, to allow accessing (Pyodide) runtime and globals from JS.
* add docs to explain the js module
* add integration tests for the js module

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-10-23 13:46:19 -05:00
woxtu
aa85f5f596 Migrate the Jest config (#873)
* Migrate the Jest config

* Run Prettier
2022-10-21 19:35:14 +05:30
woxtu
5341a0be4a Add type annotations (#869)
* Add a type declaration

* Add a missing type annotation
2022-10-21 09:03:54 -05:00
Madhur Tandon
0cfe20ca65 use emscripten virtual FS directly to load paths (#870)
* use emscripten virtual FS directly to load paths

* use more low level APIs

* use await instead of then

* remove try...catch from loadFromFile since it's being handled externally

* add test for an invalid path

* test checks for error shown to the user too

* add comment about a missing case
2022-10-21 18:43:03 +05:30
Ted Patrick
c352b502c4 ts strict - getAttribute (#863)
* ts strict getAttribute

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* mark xfail

* fix to string

* Remove

* use getAttribute for theme

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2022-10-21 07:47:44 -05:00
Antonio Cuni
58b4df6b3d skip test_repl as it's flaky (#875) 2022-10-21 14:31:54 +02:00
Jeff Glass
29ba9436c8 Fix 'no unncessary type assertion' (#871) 2022-10-20 16:18:27 +02:00
pre-commit-ci[bot]
2a044e88ad [pre-commit.ci] pre-commit autoupdate (#862)
updates:
- [github.com/codespell-project/codespell: v2.2.1 → v2.2.2](https://github.com/codespell-project/codespell/compare/v2.2.1...v2.2.2)

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2022-10-17 19:09:20 -05:00
Ted Patrick
63092f9d72 Add note on [[runtimes]] TOML table in docs (#861)
* Note on pyconfig. Fixes #859

* spell

* grammar

* mor grammar

* goes to go
2022-10-17 17:45:24 -05:00
woxtu
0209324d57 Pin dependencies for pre-commit (#860)
* Remove an unused dependency

* Pin dependencies
2022-10-17 15:12:53 -05:00
Mariana Meireles
1587273868 Add display impl, rm outputManage, print and console.log default to browser console (#749)
* Add display impl, remove outputManage, print and console.log defaults to terminal

* Fixing tests

* Lint

* Erase unecessary code, add cuter CSS formating for errors, fix problems around REPL output

* Add fix to repl2 and lint

* lint

* Allow for list of display, fix elif to else

* Add better global option

* test work

* xfails

* (antocuni, mariana): let's try to start again with TDD methodology: write the minimum test and code for a simple display()

* (antocuni, mariana): this test works out of the box

* WIP: this test is broken, mariana is going to fix it

* add a failing test

* Add ability to deal with targets

* Add append arg and append tests

* Add multiple values to display

* Small adjustments to tests. I noticed I wasn;t running all at some point

* add display test

* Add console tests

* Add async tests

* Fix repl tests

* Fixing merging issues

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Address antocuni's review

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Fixing more tests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* linting

* Improve repl tests

* Change my test so codespell is hapy with it

* Test: change test_runtime_config to use json instead of toml to see if stops failing on CI

* kill this file: it is a merge artifact since it was renamed into test_py_config.py on the main branch

* Change test execution order and add async tests to async test file

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-10-17 16:28:40 +02:00
Antonio Cuni
beb3aa1574 kill stores.runtimeLoaded and many other stores (#850)
As the title stays, the main goal of the branch is to kill the infamous runtimeLoaded global store and all the complications, problems and bugs caused by the fact that in many places we needed to ensure/wait that the global runtime was properly set before being able to execute code.

The core idea is that runtime is never a global object and that it's passed around explicitly, which means that when a function receives it, it is guaranteed to be initialized&ready.

This caused a bit of complications in pybutton.ts, pyinputbox.ts and pyrepl.ts, because they indirectly want to call runtime.run from connectedCallback, which is the only place where we cannot explicitly pass the runtime because it's automatically called by the browser.
But also, it is also a sign of a bad design, because it were entirely possible that connectedCallback was called before the runtime was ready, which probably caused many bugs, see e.g. #673 and #747.

The solution to is use dependency injection and create the class later on: so instead of having a global PyButton class which relies on a global runtime (whose state is uncertain) we have a make_PyButton function which takes a runtime and make a PyButton class which is tied to that specific runtime (whose state is certainly ready, because we call make_PyButton only when we know that the runtime is ready).
Similar for PyInputBox and PyRepl.

Other highlights: thanks to this, I could kill the also infamous runAfterRuntimeInitialized and a couple of smelly lines which used setTimeout to "wait" for the runtime.

While I was at it, I also called a lot of other stores which were completely unused and where probably leftovers from a past universe.
2022-10-17 10:31:57 +02:00
woxtu
fe708c9fb4 Remove an unused import (#858) 2022-10-17 00:38:52 +05:30
John Franey
e45d8bf973 Fix typo in passing-objects.md (#856)
Fixes typo in HTML example: `do-mmath` -> `do-math`
2022-10-15 14:56:29 -04:00
Jeff Glass
b184c92f01 Use only single rollup-plugin-copy() to avoid race condition (#843)
* Use only single copy() plugin to avoid race condition

* clean production def, better copy_target structure

* Restore '!process.env.ROLLUP_WATCH to production definition

Co-authored-by: Ted Patrick <tpatrick@anaconda.com>
2022-10-12 12:05:14 -05:00
Ted Patrick
6c8afb05a7 Don't hide undefined elements in the CSS (#837)
* Hide py-config element

* display:none for all web components

* docs

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add style tests for raw html and pyscript enabled html

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* test naming

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2022-10-11 12:27:22 -05:00
pre-commit-ci[bot]
d3dd4573cf [pre-commit.ci] pre-commit autoupdate (#844)
updates:
- [github.com/psf/black: 22.8.0 → 22.10.0](https://github.com/psf/black/compare/22.8.0...22.10.0)
- [github.com/asottile/pyupgrade: v2.38.2 → v3.1.0](https://github.com/asottile/pyupgrade/compare/v2.38.2...v3.1.0)
- [github.com/pre-commit/mirrors-eslint: v8.23.1 → v8.25.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.23.1...v8.25.0)

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2022-10-11 08:21:23 -05:00
Ted Patrick
d5cf68391a Upgrade and pin dependencies (#840)
* Upgrade and Pin Dependencies

* Removal all unused deps

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* lock

* remove svelte-fa reference from the svg style.

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2022-10-11 07:20:31 -05:00
Ted Patrick
4e54e93450 Correct the url in the example (#841) 2022-10-09 10:24:00 +05:30
Ted Patrick
e4f6387f18 Remove fa reference in py-repl 2022-10-08 20:13:25 -05:00
Ted Patrick
54cb35b60a Add directly listing for releases (fix error) (#839)
* move copy index.html out of !production to run every time

* format

* dir syntax

* file order in dir listing

* Example title
2022-10-09 05:04:28 +05:30
Ted Patrick
18ede2b729 Add directly listing for releases (#838)
* Add directly listing for releases

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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2022-10-08 16:05:03 -05:00
Ted Patrick
f138b5a4f4 Add cache, fetch, retry logic to tests (#829)
* Add cache, fetch, retry logic to tests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* run in parallel

* add pytest-xdist

* undo parallelism. Need to remove http server to enable.

* woops a extra space

* Pass flake8

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* spell fulfill

* use decorator for fetch if not in cache

* Fix --headed and limit to PlaywrightRequestError

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* docs on cache

* CICD caching of conda on unstable builds

* fix config issues

* empty commit to trigger gh-actions

* restore build-unstable

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Remove http server, add parallel

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* temp: Bypass zip runtime test and point to v0.21.3 on CDN

* suport for files in zip under /pyodide

* remove test-one

* self.http_server and remove content_type

* domcontentloaded w no timeout on base url + longer timeout on wait_for_pyscript

* Fixed #678

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* set default timeout to 60000

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* seamless --headed support

* add test-integration-parallel and default for GHActions

* simplify the code. Use http://fakeserver instead of localhost:8080 so that it's clearer that the browser is NOT hitting a real server, and use urllib to parse the url. Moreover, the special case for pyodide is no longer needed, it's automatically handled by the normal 'fakeserver' logic

* The page-routing logic is becoming too much complicated to stay as an inner function. Move it to its own class, and add some logic to workaround a limitation of playwright which just hangs if a Python exception is raised inside it

* no need to use a hash, we can use the url as the key

* re-implement the retry logic. The old @retry decorator was nice but a bit too over-engineered and most importantly failed silently in case of exceptions. This new approach is less powerful but since we want to retry only two times, simple is better than complex -- and in case of exception, the exception is actually raised

* improve logging

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2022-10-07 10:31:26 -05:00
Antonio Cuni
11a517bba4 Make the life-cycle more linear and kill some svelte stores (#830)
This is a follow-up of PR #806 and it's a big step forward towards solving issue #763.

The basic idea is that at this stage I want to streamline the execution logic
and make it as linear and easy to read/understand as possible. The diff is
relatively big, but for the most part is just "shuffling code around".


Svelte stores:
the idea is to eventually kill of them, so that we can remove the dependency
on svelte but also to avoid relying on so much global state, which makes
things more complicated and error-prone (e.g., we have several issues related
to using runtime when it's not ready yet).

I killed addInitializer, addPostInitializer and the corresponding svelte
stores tada. They are no longer needed since the relevant code is called
directly from main.ts.

I started to kill the usage of the runtimeLoaded svelte store: instead of
relying on a global variable, I want to arrive at the point in which the
runtime is passed as a parameter in all places where it's needed: pyscript.ts
is now free of global state, but I couldn't kill it yet because it's used
heavily by base.ts and pyrepl.ts. I will do it in another PR.

Other misc changes:
I added sanity checks (and corresponding tests!) which complain if you specify
0 or multiple runtimes. Currently we support having one and only one, so there
is no point to pretend otherwise

I modified the messages displayed by the loader, to be more informative from
the user point of view.
2022-10-07 17:13:12 +02:00
Jeff Glass
66b57bf812 Remove fortawesome/free-solid-svg-icons (#831) 2022-10-06 22:54:10 +05:30
Ted Patrick
a9357bd97e SVG Docs logo (#832)
* SVG Docs logo. Fixes https://github.com/pyscript/pyscript/issues/818

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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2022-10-06 20:48:08 +05:30
Madhur Tandon
d7c6d42c3d remove warning (#828) 2022-10-05 01:24:51 +05:30
Madhur Tandon
4dd1dc28b1 move py-config between body tags (#827) 2022-10-05 01:13:34 +05:30
Antonio Cuni
1e05ff7c95 detect the case in which multiple <py-config> are listed
Ideally I would like it to be a fatal error, but it's too hard to do it with the current state of the code, will refactor it later (#826)
2022-10-04 19:59:59 +02:00
Mariana Meireles
e8e2e65584 Update CONTRIBUTING.md (#822)
To add that we need to have a test for every feature :)
closes https://github.com/pyscript/pyscript/issues/615
2022-10-04 17:16:48 +02:00
Ted Patrick
3727e60152 Maintainers Update (#823) 2022-10-04 09:23:47 -05:00
Ted Patrick
0254012db6 Add epic to exempt labels (#821) 2022-10-04 08:55:55 -05:00
Jeff Glass
8b97e4757f Update to Codemirror 6 (py-repl) (#814)
* Upgrade to codemirror v6

* Increase indentation to 4 spaces by default
2022-10-04 08:49:42 -05:00
Madhur Tandon
c70e121078 eliminate py-env altogether (#775)
* examples use toml now

* use 0.21.2 for now

* change config in docs

* fix pre-commit
2022-10-04 19:00:39 +05:30
Ted Patrick
a4f97e6e46 Add Github Stale to PyScript repo (#791)
* Add stale to pyscript repo

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add tags: backlog, needs-triage, needs-work

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2022-10-04 08:08:26 -05:00
Antonio Cuni
800145a83c Add a link to docs in the README (#817) 2022-10-04 18:14:12 +05:30
Antonio Cuni
c75f885cb4 Refactor py-config and the general initialization logic of the page (#806)
This PR is the first step to improve and rationalize the life-cycle of a pyscript app along the lines of what I described in #763 .
It is not a complete solution, more PRs will follow.
Highlights:

- py-config is no longer a web component: the old code relied on PyConfig.connectedCallback to do some logic, but then if no <py-config> tag was present, we had to introduce a dummy one with the sole goal of activating the callback. Now the logic is much more linear.

- the new pyconfig.ts only contains the code which is needed to parse the config; I also moved some relevant code from utils.ts because it didn't really belong to it

- the old PyConfig class did much more than dealing with the config: in particular, it contained the code to initialize the env and the runtime. Now this logic has been moved directly into main.ts, inside the new PyScriptApp class. I plan to refactor the initialization code in further PRs

- the current code relies too much on global state and global variables, they are everywhere. This PR is a first step to solve the problem by introducing a PyScriptApp class, which will hold all the mutable state of the page. Currently only config is stored there, but eventually I will migrate more state to it, until we will have only one global singleton, globalApp

- thanks to what I described above, I could kill the appConfig svelte store: one less store to kill :).
2022-10-04 14:26:12 +02:00
Ted Patrick
4011a51013 add tsc as a build step with noEmit (#816) 2022-10-04 04:51:56 -05:00
Ted Patrick
f4165dabcf TOML Error Cases (#815)
* TOML Error Cases

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* remove traceback

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* any is a ts feature

* full eslint

* format and disable eslint for toml.js

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Co-authored-by: Madhur Tandon <madhurtandon23@gmail.com>
2022-10-04 13:13:24 +05:30
djchou
de6c26eb05 Add discord channel (#811)
from Ted Patrick --
tedpatrick — 09/19/2022
Hello and Good Morning (CST in Austin TX)
Key: We want the dialog about Pyscript OSS to be transparent and centered in the community. Rather than add another communication platform, using this Discord meets the community where they are.
2022-10-01 20:44:58 +05:30
Ted Patrick
5f319452d5 simplify OutputCtxManager logging (#809)
* simplify OutputCtxManager logging

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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2022-09-30 09:41:53 -05:00
Madhur Tandon
60d505d2d1 update docs for the minimal config (#807) 2022-09-30 19:35:16 +05:30
Ted Patrick
f64cc4dcae Minimum viable py-config default schema (#803)
* Minimium viable py-config default schema

* Add packages and paths to default

* Add in default for plugins

* Remove tests for values no longer in the default config
2022-09-29 18:54:56 -05:00
Madhur Tandon
60e6f4293a new docs for py-config without removing py-env (#802)
* new docs for py-config without removing py-env

* fix table

* fix table

* fix message for local modules

* fix src
2022-09-29 20:50:33 +05:30
Jeff Glass
00ab9a8d02 Update MAINTAINERS.md (#797) 2022-09-28 18:34:41 -05:00
Ted Patrick
7d5f6c9ead Loading and void script.evaluate() (#796)
* Loading and Script evaluate with Promise.all

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Move to 'void script.evaluate();'

* chmod files to 644

* Add a test

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2022-09-28 17:38:21 -05:00
pre-commit-ci[bot]
a295edf19d [pre-commit.ci] pre-commit autoupdate (#794)
updates:
- [github.com/asottile/pyupgrade: v2.38.0 → v2.38.2](https://github.com/asottile/pyupgrade/compare/v2.38.0...v2.38.2)
- [github.com/pre-commit/mirrors-eslint: v8.23.1 → v8.24.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.23.1...v8.24.0)

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2022-09-28 18:52:34 +02:00
Fábio Rosado
b674515d06 Add more unit and integration tests (#773)
* Add unit tests for pyloader and pytitle

* Add more unit tests for pyrepl, pybox and pyinputbox

* Add more tests for pyscript and pyconfig

* White space

* Fix d3 tests and improve more examples test

* Update matplotlib test

* Add numpy to dependencies

* Address Madhur comments

* Update test name
2022-09-27 03:47:32 +05:30
Ted Patrick
d033ab04da Credit Pyodide within readme.md (#792)
* Credit pyodide within readme

* Use pyscript.net definition
2022-09-26 07:03:01 -05:00
Ted Patrick
304d76d088 Enable snapshot publishing by removing --dryrun (#790) 2022-09-26 05:41:13 -05:00
Ted Patrick
978afdad97 Snapshot releases (#789)
* A workflow that enables snapshot releases by manual github action

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* typo in comment

* match naming and add name to workflow

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2022-09-25 12:24:41 -05:00
Ted Patrick
d4e41e679d examples: py-env to py-config (#784)
* examples: py-env to py-config

* 1 example as JSON with type

* Fix todo event attribute
2022-09-23 11:04:31 -05:00
Madhur Tandon
146264ff12 add toml support for configs with fast-toml (#783)
* add toml support for configs with fast-toml

* fix package-lock.json and pin pyodide to 0.21.2

* use browser version of fast-toml

* disable eslint and add credits

* fix jest issues

* use type attribute for py-config
2022-09-23 20:11:22 +05:30
Emir
dcb107ae65 add pure-python (async) HTTP request how to (#778)
* add HTTP request how to

First draft.
Proof read http-requests.md


Formatting


Reword intro


modify fetch API docs links


Conclusion

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* add http-request howto into toctree, index

* implement review

By @madhur-tandon
Implement review

and fix formatting mistake in request function docstring.

* add # HTTP requests section, add fetch_kwargs to helper function

Add a section in the explanation discussing HTTP Requests

* add API reference

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* specify docs for `pyodide.http` members

* address review

By @marimeireles

* Change code [Python] to Python

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2022-09-23 14:14:00 +02:00
Ted Patrick
c236269d13 Update MAINTAINERS.md (#782) 2022-09-22 02:23:39 +05:30
Subramanian Mahadevan
8f658e6d85 fixed Makefile to always clean and recopy the examples build folder (located under examples) (#772) 2022-09-21 16:25:13 +02:00
Fábio Rosado
d203b60f44 Update contributing docs and remove lint from makefile (#779) 2022-09-21 16:22:12 +02:00
pre-commit-ci[bot]
a1a16aba74 [pre-commit.ci] pre-commit autoupdate (#780)
updates:
- [github.com/asottile/pyupgrade: v2.37.3 → v2.38.0](https://github.com/asottile/pyupgrade/compare/v2.37.3...v2.38.0)

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2022-09-21 13:56:20 +02:00
Valerio Maggio
6ded003447 Fixed typo in logger message (#774) 2022-09-19 09:31:59 +02:00
Madhur Tandon
4841e29fc6 refactor py-config to use json (#754)
* refactor py-config to use toml

* switch from toml to json and add unit tests

* fix test for py-config

* fix integration test

* use flat structure for JSON

* allow merging configs

* replace arrays instead of concatenating them

* remove extra keys from inline config of integration test

* simplify array replacement logic

* allow config from src to be partial as well

* add comments to unit tests

* add unit test for setting config from both inline and src

* handle parse errors + validate config supplied

* separate functions for src and inline

* suggested improvements

* show error message in red on parser error

* fix eslint

* use resolveJsonModule as true

* use default config defined as a variable without import

* remove disable eslint comment

* remove import for covfefe.json as well

* metadata injection

* add support for schema + extra keys

* use schema_version
2022-09-16 02:07:00 +05:30
Jeff Glass
0b014eea56 Execute pys-on* events when triggered, not at load (#686)
* Execute pys-on* events when triggered, not at load

Mimicing the behavior of Javascripts 'onLoad' event, we should
not be executing the use code at page-load time, only when
the event is triggered.

* Update examples to new syntax

* Fix merge issue

* Await running event handler code

* Restore pys-on* events with original behavior, deprecation warning

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* xfail toga example

* Add missing { (typo)

* Adjust callback chandling to make linter happy

* Change alpha to latest (#760)

* Don't create custom elements in main and fix various small issues on tests (#747)

* Create custom elements when the runtime finishes loading

* Remove xfails and fix repl integration test

* Fix commented ignore

* Address Antonio's comments

* Fix bad rebase

* Make ure to wait for repl to be in attached state before asserting content

* Move createCustomeElement up so it runs before we close the loader, xfail flaky d3 test

* Fix xfail

* [pre-commit.ci] pre-commit autoupdate (#762)

updates:
- [github.com/pre-commit/mirrors-eslint: v8.23.0 → v8.23.1](https://github.com/pre-commit/mirrors-eslint/compare/v8.23.0...v8.23.1)

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* change documentation to point to latest instead of frozen alpha (#764)

* Toga example is xpass

* Correct 'xpass' to 'xfail' mark

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Co-authored-by: Fábio Rosado <fabiorosado@outlook.com>
2022-09-14 20:33:42 -05:00
Peter W
1c0be16f30 change documentation to point to latest instead of frozen alpha (#764) 2022-09-13 12:02:05 -04:00
pre-commit-ci[bot]
27ba8bea2f [pre-commit.ci] pre-commit autoupdate (#762)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.23.0 → v8.23.1](https://github.com/pre-commit/mirrors-eslint/compare/v8.23.0...v8.23.1)

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2022-09-13 10:34:24 -05:00
Fábio Rosado
c566977749 Don't create custom elements in main and fix various small issues on tests (#747)
* Create custom elements when the runtime finishes loading

* Remove xfails and fix repl integration test

* Fix commented ignore

* Address Antonio's comments

* Fix bad rebase

* Make ure to wait for repl to be in attached state before asserting content

* Move createCustomeElement up so it runs before we close the loader, xfail flaky d3 test

* Fix xfail
2022-09-13 16:59:33 +02:00
Peter W
5c1b785b4b Change alpha to latest (#760) 2022-09-12 12:07:44 -04:00
Jeff Glass
8657dfb5da Docs: How To Pass Objects between JavaScript and PyScript (#753)
* Begin writeup

* Draft full howto

* Correct code errors in writeup, swap sections

* Add introduction, clarification

* Add link to howto:js in index

* Copyedit, update examples to Pyodide 21

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Add toc tree context

* Use print instead of js console in python examples

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2022-09-12 04:29:25 -04:00
Neil Stoker
dfa837754e Remove line numbers from example (#745)
As per #565 the current best fix is to simply remove the line numbers from the output
2022-09-12 04:28:19 -04:00
Ted Patrick
0a7df78770 Add space before/after secrets value (#757)
Co-authored-by: Ted Patrick <tpatrick@anaconda.com>
2022-09-08 07:54:33 -05:00
Mariana Meireles
066ecbe022 Add docs on how to contribute to docs (#720)
* Add docs on how to contribute to docs

* Reword some phrases
2022-09-08 07:38:31 -04:00
Ted Patrick
6c80db810f pyon-dragover to py-dragover (#755)
typo in events
2022-09-07 16:31:59 -05:00
Mariana Meireles
6023c413ab Update CONTRIBUTING.md (#728)
* Update CONTRIBUTING.md

Adding docs on how to make a pr

* Rewording so ideas are clearer
2022-09-07 03:05:20 +05:30
Peter W
7910d040b6 fix ci file sync (#752) 2022-09-06 19:30:01 +02:00
pre-commit-ci[bot]
5bd99f5224 [pre-commit.ci] pre-commit autoupdate (#750)
updates:
- [github.com/psf/black: 22.6.0 → 22.8.0](https://github.com/psf/black/compare/22.6.0...22.8.0)

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2022-09-06 10:12:52 -05:00
Antonio Cuni
f3157b377f Improve JS logging (#743)
This PR tries to improve and rationalize what we log. Key points:
- introduce `logger.ts`: each file/component is encouraged to use the logger instead of writing directly to `console.*`
    * the logger automatically prepend a prefix like `[py-config]`, `[py-env]` which make it easier to understand where a certain message is printed from
    * it provide a central place where to add more features in the future. E.g., I can imagine having a config setting to completely silence the logs (not implemented yet)
- use the new loggers everywhere
- write to `.info()` instead of `.log()`. The idea is to keep `console.log` free, so that for the users it's easier to tell apart their own messages and the pyscript ones
- generally improve what we log. This is an endless exercise, but I tried to print more things which are useful to understand what's going on and in which order the various things are executed, and remove prints which were clearly debugging leftovers
2022-09-06 15:18:41 +02:00
Madhur Tandon
e31e03afde add tests for runtime config inside py-config and remove usage of indexURL (#734)
* add integration test for py-config

* fix bug

* fix test

* remove indexURL altogether

* make jest happy

* fix create_proxy import

* check that py-config loads an older version

* add unit test

* suggested changes

* don't use /tmp because of bandit
2022-09-01 01:02:43 +05:30
Peter W
eddde7c94c [WIP] Actions workflow cleanup/readability (#695)
* discrete steps and artifact passing

* fix small mistakes, prep test

* upload path

* fix path again

* change again

* checkout for test

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* formatting

* artifact paths

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* diagnostics

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* simplify

* small cosemtic changes

* move upload to end

* needs:

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2022-08-31 10:01:41 -05:00
pre-commit-ci[bot]
7be72ee4c1 [pre-commit.ci] pre-commit autoupdate (#737)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.22.0 → v8.23.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.22.0...v8.23.0)

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2022-08-30 19:49:15 +05:30
woxtu
6731467514 Update TypeScript to 4.8 (#739) 2022-08-30 19:47:14 +05:30
Madhur Tandon
8dd699d235 Remove workaround for sed and upgrade pyodide to 0.21.2 (#738)
* remove sed workaround + upgrade version

* upgrade package.json and package-lock.json
2022-08-30 18:19:00 +05:30
woxtu
6cb81b5c3d Remove the Svelte plugins for ESLint/Prettier (#733)
* Remove the Svelte plugins for Prettier

* Remove the Svelte plugins for ESLint
2022-08-29 01:13:16 +05:30
woxtu
17187ba3ec Remove the Svelte plugins for Rollup (#730) 2022-08-27 02:40:37 +05:30
Madhur Tandon
531ee928b0 fix linting and types related issues (#731) 2022-08-27 02:18:01 +05:30
Madhur Tandon
db806a5df9 make runtime an object of Runtime class when it is just an object (#729)
* make runtime an object of Runtime class when it is just an object

* fix constructor

* remove explicit string type

* define default values out of pyodide runtime and use default config instead of initializing a DEFAULT_RUNTIME instance

Co-authored-by: Fabio Pliger <fabio.pliger@gmail.com>
2022-08-26 15:19:03 -05:00
Fábio Rosado
9de154595a Add more unit tests for PyButton and BaseEvalElement (#711)
* Add more unit tests

* Rebase main and fix failing tests

* xfail flaky test

* Fix import
2022-08-26 08:25:51 -04:00
Fábio Rosado
9e4cb79679 Fix: Examples not importing pyscript from build folder when running locally (#705)
* Copy build to examples if not running prod

* Add rollup-copy as a dev dep

Co-authored-by: mariana <marianameireles@protonmail.com>
2022-08-25 18:05:17 -04:00
Bikarna Pokharel
b7834073b8 Remove unwanted code and/or text (#589)
* Remove unwanted class attribute

Multiple attributes with the same name are illegal in html. Nonetheless, the class task-check is not doing anything here.

* Remove to=task_list

The argument to=task_list is not playing any role, since the function works well without it.

Please see comment in pyscript.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Clean comment

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2022-08-25 17:30:54 -04:00
woxtu
b0e56577b5 Fix misused promises (#723)
* Remove an unnecessary await

* Add an async IIFE wrapper
2022-08-26 02:17:29 +05:30
tkeech1
ccb0e6b269 585: Add a line to the makefile to run the examples on a python serve… (#689)
* 585: Add a line to the makefile to run the examples on a python server with one line command

* Build exs and run server with previous makefile cmds

Co-authored-by: Todd Keech <tkeech1@hotmail.com>

Co-authored-by: mariana <marianameireles@protonmail.com>
2022-08-25 16:43:25 -04:00
Madhur Tandon
edfd4baa1f import create_proxy and to_js from pyodide.ffi (#725) 2022-08-25 22:11:18 +02:00
woxtu
0f50f4a9fd Remove overwriting properties (#724) 2022-08-25 23:27:13 +05:30
Madhur Tandon
47494e62a7 Fix and enable integration tests in CI (#721)
* run jest only inside node + fix indexURL for integration tests

* add integration tests to CI

* use pytest from env
2022-08-25 22:01:05 +05:30
Fábio Rosado
7aa25712d9 Update tsconfig to use es2017 (#704) 2022-08-24 21:01:51 -05:00
Madhur Tandon
1db155570d PyodideRuntime should be one of the runtimes (#698)
* PyodideRuntime should be one of the runtimes

* subsume interpreter into runtime API

* fix eslint

* add comments

* move initializers, postInitializers, scriptsQueue, etc. to initialize() of Runtime Super Class

* modify comment for initialize

* small renaming

* change id to default

* fix pyscript.py import

* try adding tests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* Add inlineDynamicImports option

* Make jest happy about ESM modules

* Attempt to make jest happy about pyodide

* point to version in accordance with node module being used

* fix base.ts

* fix tests

* fix indexURL path determination

* edit pyodide.asm.js as a part of setup process

* load runtime beforeAll tests

* add test for loading a package

* use only runPythonAsync underneath for pyodide

* import PyodideInterface type directly from pyodide

* add some comments

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2022-08-25 02:33:36 +05:30
Dylan
1054e8e644 Add clarification where to place script and stylesheet - README.md (#713)
* Update README.md

UPDATE: Specified to add files to head tag of HTML file

* UPDATE README.md

UPDATE README: Specify to add CSS and JS file to head tag of HTML

* Update README.md

Clean up wording.
2022-08-24 11:10:20 +05:30
Fábio Rosado
aa429f34d8 Add more integration tests for py-components and examples (#709)
* Add more integration tests for py-components and examples

for more information, see https://pre-commit.ci

* remove xfail mark since we merged fix for issue 707

Co-authored-by: Fabio Pliger <fabio.pliger@gmail.com>
2022-08-23 18:22:44 -05:00
Fábio Rosado
e351889811 Set importmaps to an empty array (#708)
Use const instead
2022-08-23 18:03:52 -05:00
Fabio Pliger
24a70a8273 fix error management bug and improve examples automation (#717)
* add build to the make examples cmd so that it automates more to the user

* temporarily improve error managament when executing eval until we properly refactor the whole io and error workflow

* add minimal test for format_mime
2022-08-23 17:12:30 -05:00
Fabio Pliger
3f26657116 update pyodide version (#719) 2022-08-23 17:11:42 -05:00
pre-commit-ci[bot]
d41669af8b [pre-commit.ci] pre-commit autoupdate (#710)
* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/codespell-project/codespell: v2.1.0 → v2.2.1](https://github.com/codespell-project/codespell/compare/v2.1.0...v2.2.1)

* push

* push

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2022-08-23 17:07:04 -05:00
Peter W
56466c2a00 fix typo 2022-08-23 17:06:19 -05:00
Fabio Pliger
fa7a97ca30 Bootstrap python tests (#697)
* move current integration tests to the integration folder

* move pyscript.py into its own python folder

* change the path for python unit testing files

* change pyscript.py path

* Update Makefile

* remove echo

* replace conda run with pytest directly

* oops, add python test files I embarrassingly forgot to add

Co-authored-by: Peter W <34256109+pww217@users.noreply.github.com>
2022-08-18 16:59:07 -05:00
Fabio Pliger
8aba271a42 Add TS tests tooling (#661)
* install test dependencies

* change config for tests

* fix linter failing tests

* add basic test file

* add custom element registration to test

* update dependencies

* add jest config file

* fix test calls on makefile and minor fix on test

* update local npm version

* clean testm file
2022-08-16 16:39:42 -05:00
Philipp Rudiger
8275aa2810 Ensure that angle brackets in pyscript tag are escaped before parsing (#684)
* Ensure that angle brackets in pyscript tag are escaped before parsing

* Improve tests

* Update pyscriptjs/tests/test_01_basic.py

Co-authored-by: James A. Bednar <jbednar@users.noreply.github.com>

Co-authored-by: James A. Bednar <jbednar@users.noreply.github.com>
2022-08-16 21:41:09 +05:30
imbev
410ddf314c Correct typo in CONTRIBUTING.md (#692) 2022-08-16 10:12:09 -05:00
pre-commit-ci[bot]
fa217bee20 [pre-commit.ci] pre-commit autoupdate (#691)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.21.0 → v8.22.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.21.0...v8.22.0)

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2022-08-16 09:56:13 -05:00
Antonio Cuni
817d0edc69 Use the new testing machinery for test_examples (#676)
* WIP: start to use the PyScriptTests machinery to test the examples

* factor test_hello_world out of test_examples

* B011 forbids 'assert False' in tests because python -O remove asserts. Thank you, I knew that.

* improve test_simple_clock and remove it from test_examples

* test_altair

* test_bokeh

* rename

* kill the parametrized test_example and write individual tests for each of them

* test_kmeans it's slow, increase the timeout

* improve these xfail

* kill wait_for_load, no longer needed

* write the name of the issue

* add issue number

* add a trick which I discovered to run test interactively

* move the docstring inside the class
2022-08-11 19:18:42 -05:00
Antonio Cuni
513dfe0b42 Introduce PyScriptTest, an helper class to write integration tests (#663)
This PR is about integration tests: they use playwright to load HTML pages in the browser and check that PyScript works as intended, as opposed to unit tests like the ones being introduced by #665 and #661.

The main goal of this PR is to introduce some machinery to make such tests easier to write, read and maintain, with some attention to capture enough information to produce useful error messages in case they fail in the CI.

In order to use the machinery, you need to subclass tests.support.PyScriptTest, which provides several useful API calls in the form self.xxx().

See the full description here:
https://github.com/pyscript/pyscript/pull/663

Co-authored-by: Mariana Meireles <marian.meireles@gmail.com>
Co-authored-by: mariana <marianameireles@protonmail.com>
2022-08-10 12:29:59 +02:00
pre-commit-ci[bot]
bd7a20309b [pre-commit.ci] pre-commit autoupdate (#669)
updates:
- [github.com/PyCQA/flake8: 5.0.2 → 5.0.4](https://github.com/PyCQA/flake8/compare/5.0.2...5.0.4)

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2022-08-09 09:13:52 -05:00
woxtu
a726be3c7c Remove unnecessary await (#662) 2022-08-08 23:16:02 +05:30
Mariana Meireles
10f2054e9a Create command to run tests locally (#668) 2022-08-08 10:07:37 +02:00
Fabio Pliger
2fa47f310d remove output manager code injection in repl source (#664) 2022-08-05 18:50:20 +02:00
Antonio Cuni
5b927a70c2 PyItemTemplate.strike() uses the CSS class line-through, which was part of Tailwind. Reintroduce it in our custom CSS. This fixes the todo-pylist example (#638) 2022-08-03 12:29:39 +02:00
Peter W
2a59ff8e68 point examples to /latest instead of /alpha (#624)
* point examples to /unstable instead of /alpha

* Change makefile from alpha to unstable

* unstable -> latest

* Update Makefile

* Update repl.html

Co-authored-by: mariana <marianameireles@protonmail.com>
2022-08-02 13:59:50 -04:00
woxtu
e4d1befcdb Specify the array type (#653) 2022-08-02 21:10:08 +05:30
ic-768
844e04ff96 Minor refactoring (#557)
* checkpoint: added some text

* checkpoint: added setting up the environment, tips for writing good issues

* continuing to fill it out

* added more detailed description of the process of creating a change and some other cleanup.

* added a getting started section and cleaned up the grammar. This ready for the PR now

* forgot to add the new section to the TOC

* Changes

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Minor fixes

* Fix

Co-authored-by: Kevin Goldsmith <kgoldsmith@anaconda.com>
Co-authored-by: Matt Kramer <mkramer@anaconda.com>
2022-08-02 20:58:21 +05:30
pre-commit-ci[bot]
cc05a98b0e [pre-commit.ci] pre-commit autoupdate (#650)
updates:
- [github.com/PyCQA/flake8: 4.0.1 → 5.0.2](https://github.com/PyCQA/flake8/compare/4.0.1...5.0.2)
- [github.com/asottile/pyupgrade: v2.37.2 → v2.37.3](https://github.com/asottile/pyupgrade/compare/v2.37.2...v2.37.3)
- [github.com/pre-commit/mirrors-eslint: v8.20.0 → v8.21.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.20.0...v8.21.0)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-08-02 10:27:46 -05:00
Madhur Tandon
006d161a32 cleanup leftovers such as mode and pyodideReadyPromise (#649)
* remove usage of mode

* clean up pyodideReadyPromise
2022-08-02 20:44:41 +05:30
Madhur Tandon
a4839db79a fix tests by changing serving dir (#652)
* fix tests by changing serving dir

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

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2022-08-02 20:35:09 +05:30
Madhur Tandon
87e3b5b1dc remove App.svelte as CSS is already present in pyscript_base.css (#648)
* remove App.svelte as CSS is already present in pyscript_base.css

* remove usage of app
2022-08-02 17:01:23 +02:00
Madhur Tandon
faa900d502 change args for Linux for sed (#651) 2022-08-02 12:27:56 +02:00
woxtu
a5275db3ec Specify the type of store value (#643) 2022-08-01 21:45:20 +05:30
Madhur Tandon
77e017a574 Add myself as maintainer as per discussion (#636) 2022-08-01 21:40:21 +05:30
Madhur Tandon
8ed8ddbf76 use pip (latest) to install playwright (#647) 2022-08-01 20:45:49 +05:30
Philipp Rudiger
eb31978488 Add tests verifying correct example behavior (#625) 2022-07-29 14:42:49 -04:00
woxtu
677d708588 Make the stores simple (#564) 2022-07-28 22:09:21 -04:00
Nicholas Tollervey
ade0dca8f9 Update to latest Pyodide (#631) 2022-07-28 20:52:54 -04:00
Fabio Pliger
8e1cd0b268 minor changes to make linting happier (#598)
* minor changes to make linting happy

* remove cast since linter wasn't happy

* address PR comments
2022-07-28 15:30:03 -05:00
woxtu
9102768366 Improve with string interpolations (#604)
* Use string interpolations

* Fix the key in py-env
2022-07-28 11:07:10 -04:00
pre-commit-ci[bot]
0c722b9164 [pre-commit.ci] pre-commit autoupdate (#630)
updates:
- [github.com/asottile/pyupgrade: v2.37.1 → v2.37.2](https://github.com/asottile/pyupgrade/compare/v2.37.1...v2.37.2)

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2022-07-28 11:05:34 -04:00
takahiro ono
b6f514451a fix links in contribution & troubleshooting doc (#632) 2022-07-28 11:04:55 -04:00
Mariana Meireles
c49fdfc56c Re-introduce xPyWidget update on CustomWidget's class (#576)
Co-authored-by: mariana <marianameireles@protonmail.com>
2022-07-21 15:13:11 -05:00
Peter W
676e04b28e sync examples on stable releases (#623) 2022-07-21 16:00:02 -04:00
Antonio Cuni
6aa864a351 enable blank issues (#626) 2022-07-20 15:30:28 -04:00
pre-commit-ci[bot]
72acb4826c [pre-commit.ci] pre-commit autoupdate (#620)
updates:
- [github.com/pre-commit/mirrors-eslint: v8.19.0 → v8.20.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.19.0...v8.20.0)

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2022-07-19 17:02:10 -05:00
pre-commit-ci[bot]
734be5f355 [pre-commit.ci] pre-commit autoupdate (#594)
updates:
- [github.com/asottile/pyupgrade: v2.34.0 → v2.37.1](https://github.com/asottile/pyupgrade/compare/v2.34.0...v2.37.1)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-07-18 11:43:38 -04:00
Leonardo Pliger
cede06ae19 Clearer contribution docs & add troubleshooting page (#597)
* Expanded upon the make setup docs

* Fixed formatting & speling, added troubleshooting

* same

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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2022-07-18 11:42:32 -04:00
Christian Clauss
19491d8010 f-string accelerates examples.utils.format_date() (#591) 2022-07-12 11:26:47 -05:00
pww217
c580aac991 add workflow dispatch to unstable 2022-07-07 14:47:23 -05:00
pww217
032d1aaad7 change path to /build 2022-07-07 14:45:33 -05:00
Mariana Meireles
afa216dc5e Mv build folder from examples/build to build/ (#571)
Co-authored-by: mariana <marianameireles@protonmail.com>
2022-07-07 11:29:09 -03:00
Nicholas Tollervey
69339fe3de Add myself to the list of maintainers as per recent discussion. (#573) 2022-07-06 10:36:23 +02:00
pre-commit-ci[bot]
571bb2b294 [pre-commit.ci] pre-commit autoupdate (#570)
updates:
- [github.com/psf/black: 22.3.0 → 22.6.0](https://github.com/psf/black/compare/22.3.0...22.6.0)
- [github.com/macisamuele/language-formatters-pre-commit-hooks: v2.3.0 → v2.4.0](https://github.com/macisamuele/language-formatters-pre-commit-hooks/compare/v2.3.0...v2.4.0)
- [github.com/pre-commit/mirrors-eslint: v8.18.0 → v8.19.0](https://github.com/pre-commit/mirrors-eslint/compare/v8.18.0...v8.19.0)

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2022-07-04 21:03:35 -03:00
Fabio Pliger
91a09a09f7 Rename examples cmd and add checks (#563)
* add checks for node and npm versions

* rename example cmd to examples
2022-07-04 15:21:17 -03:00
munyoudoum
9b3433f6ae fix: typos in play_mario, handtrack examples (#566) 2022-07-04 15:19:18 -03:00
Leonardo Pliger
ee9b0960f7 Add support to py- events that map all js events available (#561)
* added the  py- events throughout pyscript.ts

* Integrated the py- event throughout the examples

* Fixed spelling error
2022-06-29 19:49:21 -03:00
woxtu
506ac2574f Add type annotations (#562) 2022-06-28 14:17:23 -05:00
ic-768
dc84d7c1b5 Minor improvements (#556)
* checkpoint: added some text

* checkpoint: added setting up the environment, tips for writing good issues

* continuing to fill it out

* added more detailed description of the process of creating a change and some other cleanup.

* added a getting started section and cleaned up the grammar. This ready for the PR now

* forgot to add the new section to the TOC

* Minor fixes

Co-authored-by: Kevin Goldsmith <kgoldsmith@anaconda.com>
Co-authored-by: Matt Kramer <mkramer@anaconda.com>
2022-06-28 14:16:05 -05:00
Fabio Pliger
fcaa57307f See you later tailwind (#452)
* start removing tailwind and rebuilding some css

* add css to pybox and add class to repl

* set output component visibility

* replace tailwind class with single component class

* add styles to css

* replace classes on  button

* replace classes on input

* replace classes in title

* replace classes on list

* replace classes

* add new style file

* add list element style

* remove tailwind classes from todo example

* revert link on examples files

* remove tailwind config files

* remove commented old code

* add missing ;
2022-06-24 18:30:07 -05:00
Mariana Meireles
d25e754beb Move dashboard workflow to worflow dir (#554)
Co-authored-by: mariana <marianameireles@protonmail.com>
2022-06-24 17:01:52 -05:00
Peter W
7f6f411ea8 Try new method to keep CI from running on forks (#538) 2022-06-24 16:55:15 -05:00
Fabio Pliger
96a73e31f3 add diataxis info to docs readme (#548)
* add loca build info to htmlserve

* add info about diataxis to the docs/readme

* add diataxis img
2022-06-24 17:06:47 -03:00
woxtu
c7942d7d8f Use the type definition of pyodide (#535)
* Import the type definition

* Add type annotations
2022-06-24 14:25:14 -05:00
Leonardo Pliger
479348eec9 Added section and cleared up documentation in getting started (#547)
* add section and cleared up documentation

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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* I fixed the typo in getting-started

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2022-06-24 16:14:48 -03:00
Peter W
ebfed27630 release, latest, unstable branches (#550)
* build unstable workflow

* releases are synced to /latest and /releases/YYYY.MM.MICRO/

* slashes
2022-06-24 10:32:00 -05:00
Mariana Meireles
8923485169 Update feature-request.yml (#541)
Fix typo
2022-06-23 17:44:55 -05:00
Brandon High
d62de26683 Fix inconsistencies and reduce verbosity in examples/index.html (#545) 2022-06-23 17:40:36 -05:00
pww217
1dd9c5b009 small renaming 2022-06-23 11:22:33 -05:00
Peter W
01b64e18ab add release.yml, release automation ready for prod (#539)
* add release.yml, release automation ready for prod

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update .github/workflows/build-release.yml

Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>

* dont overwrite /alpha/ and change unstable to latest

* alpha -> releases

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Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
2022-06-23 11:08:25 -05:00
Mariana Meireles
fa61339a49 Add GHA to push issues directly to dashboard (#534)
* Add GHA to push issues directly to dashboard

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: mariana <marianameireles@protonmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2022-06-22 13:40:31 -03:00
Philipp Rudiger
deb2eee3ad Revert output manager after REPR evaluation (#522)
* Revert output manager after repr evaluation

* Fix indentation
2022-06-21 16:42:53 -05:00
Philipp Rudiger
829cc9f6f9 Simplify tests with pytest-playwright (#523)
* Simplify tests with pytest-playwright

* Add pytest-playwright to pip

* Fix simple_clock example

* Attempt to make example tests more robust

* Make pre-commit happy

* Revert accidental change to simple_clock pyscript resources

* Another attempt at reducing flakeyness

* Do not wait until page load event is fired

* Remove pointless py-config

Co-authored-by: mariana <marianameireles@protonmail.com>
2022-06-21 14:28:05 -03:00
pww217
1c7ef6622b test release automation 2022-06-21 10:26:39 -05:00
pww217
f54ae52b2a test publishing 2022-06-21 10:10:10 -05:00
pww217
171ae3cabe skip test for now 2022-06-21 09:57:30 -05:00
Peter W
f3888df88c Release automation (#521)
* workflow updates

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* build release

* remove if

* test on main

* update docs release workflow

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2022-06-21 09:42:56 -05:00
pre-commit-ci[bot]
9274f9ec08 [pre-commit.ci] pre-commit autoupdate (#516)
updates:
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woxtu
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idanenglander
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LandonTheCoder
bc513400c5 Fix URL source reference. (#517)
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2022-06-14 14:21:08 -05:00
Ryan Russell
715ceb9ed4 Improve WebGL Raycaster example (#478)
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2022-06-10 11:02:02 -05:00
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andre-dietrich
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WrigglySplash
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J.I. Cruz
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Nuhman Pk
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woxtu
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Michael Mayer
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Ifihanagbara Olusheye
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Mariana Meireles
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Fabio Pliger
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Mariana Meireles
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2c5ef95027 Update panel examples to panel 0.13.1 (#458)
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marianoweber
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Iftikhar #100Devs
2f03b18619 updated-README-files-Contributing-Section (#438) 2022-05-23 18:18:30 -05:00
ic-768
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pre-commit-ci[bot]
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woxtu
3b68e1b27d Bundle the Python files into the output file (#441)
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weensy
48e6b1a84e Fix typo in getting-started.md (#443)
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Furkan Doğan
db49fd498a fixed the logging of initializers (#431) 2022-05-19 19:44:55 -03:00
woxtu
e95b90363e Add event listeners properly (#424) 2022-05-19 17:56:53 -03:00
woxtu
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Peter W
87b150d539 Update build-alpha.yml 2022-05-19 12:16:41 -05:00
ic-768
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cleonard
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idanenglander
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woxtu
39774a83c5 Use a recommended method (#363) 2022-05-17 22:24:33 -05:00
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hoge1e3
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453 changed files with 42330 additions and 15003 deletions

63
.github/ISSUE_TEMPLATE/bug-report.yml vendored Normal file
View File

@@ -0,0 +1,63 @@
name: Bug Report
description: Create a report to help us improve
labels: ["type: bug", "needs-triage"]
body:
- type: markdown
attributes:
value: |
Thanks for helping PyScript! 🐍
Going through bugs and issues takes up a lot of time, so please be so kind and take a few minutes to fill out all the areas to the best of your ability.
There will always be more issues than there is time to do them, and so we will need to selectively close issues that don't provide enough information, so we can focus our time on helping people like you who fill out the issue form completely. Thank you for your collaboration!
There are also already a lot of open issues, so please take 2 minutes and search through existing ones to see if what you are experiencing already exists
Thanks for helping PyScript be amazing. We are nothing without people like you helping build a better community 💐!
- type: checkboxes
id: checks
attributes:
label: Checklist
description: Please confirm and check all the following options.
options:
- label: I added a descriptive title
required: true
- label: I searched for other issues and couldn't find a solution or duplication
required: true
- label: I already searched in Google and didn't find any good information or help
required: true
- type: textarea
id: what-happened
attributes:
label: What happened?
description: And what should have happened instead? This really helps everyone review quicker and greatly increases the chance that someone can get around to solve your issue
placeholder: Tell us what you see!
validations:
required: true
- type: dropdown
id: browsers
attributes:
label: What browsers are you seeing the problem on? (if applicable)
multiple: true
options:
- Firefox
- Chrome
- Safari
- Microsoft Edge
- Other
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required: false
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id: list
attributes:
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If there are errors in your browser console then its helpful to be able to troubleshoot.
- Chrome , Firefox, and Edge: Right-click on the page and select *Inspect*. Alternatively you can press F12 on your keyboard.
- Safari: Find instructions [here](https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac).
render: shell
- type: textarea
id: context
attributes:
label: Additional Context
description: Add any additional context information or screenshots you think are useful.

View File

@@ -1,23 +0,0 @@
---
name: Bug report
about: Create a report to help us improve
title: "[BUG]"
labels: needs-triage
assignees: ''
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior: either a code snippet or a link to an HTML page which shows the bug.
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Additional context**
Add any other context about the problem here.

8
.github/ISSUE_TEMPLATE/config.yml vendored Normal file
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@@ -0,0 +1,8 @@
blank_issues_enabled: true
contact_links:
- name: Feature Proposals
url: https://github.com/pyscript/pyscript/discussions/new?category=proposals
about: Create a feature request to make PyScript even better
- name: Questions
url: https://github.com/pyscript/pyscript/discussions/new?category=q-a
about: For questions or discussions about pyscript

View File

@@ -1,20 +0,0 @@
---
name: Feature request
about: Suggest an idea for this project
title: "[FEATURE]"
labels: needs-triage
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. As a user, I'd like to [...]
**Describe the solution you'd like**
A clear and concise description of what you expect to happen.
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.

15
.github/PULL_REQUEST_TEMPLATE.md vendored Normal file
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@@ -0,0 +1,15 @@
## Description
<!--Please describe the changes in your pull request in few words here. -->
## Changes
<!-- List the changes done to fix a bug or introduce a new feature.Please note both user-facing changes and changes to internal API's here -->
## Checklist
<!-- Note: Only user-facing changes require a changelog entry. Internal-only API changes do not require a changelog entry. Changes in documentation do not require a changelog entry. -->
- [ ] All tests pass locally
- [ ] I have updated `docs/changelog.md`
- [ ] I have created documentation for this(if applicable)

5
.github/release.yml vendored Normal file
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@@ -0,0 +1,5 @@
changelog:
categories:
- title: New Features
- title: Breaking Changes
- title: Known Issues

View File

@@ -1,56 +0,0 @@
name: '[CI] Build Alpha'
on:
push:
branches:
- main
tags:
- '**' # Currently any tag, need to slim down
paths:
- pyscriptjs/**
- .github/workflows/build-alpha.yml # Test that workflow works when changed
jobs:
build:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
defaults:
run:
working-directory: pyscriptjs
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: Install dependencies
run: |
npm install
- name: Build pyscript
run: |
npm run build
# Deploy to S3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{secrets.AWS_REGION}}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
run: aws s3 sync --quiet ./examples/build/ s3://pyscript.net/alpha/

View File

@@ -1,63 +0,0 @@
name: '[CI] Build Latest'
on:
push: # Only run on merges into main that modify files under pyscriptjs/
branches:
- main
paths:
- pyscriptjs/**
- .github/workflows/build-latest.yml # Test that workflow works when changed
pull_request: # Run on any PR that modifies files in pyscriptjs/
branches:
- main
paths:
- pyscriptjs/**
- .github/workflows/build-latest.yml # Test that workflow works when changed
jobs:
build:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
defaults:
run:
working-directory: pyscriptjs
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: Install dependencies
run: |
npm install
- name: Build pyscript
run: |
npm run build
# Deploy to S3
- name: Configure AWS credentials
if: github.ref == 'refs/heads/main' # Only deploy on merge into main
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{secrets.AWS_REGION}}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
if: github.ref == 'refs/heads/main'
run: aws s3 sync --quiet ./examples/build/ s3://pyscript.net/unstable

142
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@@ -0,0 +1,142 @@
name: "[CI] Build Unstable"
on:
push: # Only run on merges into main that modify files under pyscriptjs/ and examples/
branches:
- main
paths:
- pyscriptjs/**
- examples/**
- .github/workflows/build-unstable.yml # Test that workflow works when changed
pull_request: # Run on any PR that modifies files under pyscriptjs/ and examples/
branches:
- main
paths:
- pyscriptjs/**
- examples/**
- .github/workflows/build-unstable.yml # Test that workflow works when changed
workflow_dispatch:
jobs:
BuildAndTest:
runs-on: ubuntu-latest
defaults:
run:
working-directory: pyscriptjs
env:
MINICONDA_PYTHON_VERSION: py38
MINICONDA_VERSION: 4.11.0
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: setup Miniconda
uses: conda-incubator/setup-miniconda@v2
- name: Setup Environment
run: make setup
- name: Build
run: make build
- name: TypeScript Tests
run: make test-ts
- name: Python Tests
run: make test-py
- name: Integration Tests
run: make test-integration-parallel
- name: Examples Tests
run: make test-examples
- uses: actions/upload-artifact@v3
with:
name: pyscript
path: |
pyscriptjs/build/
if-no-files-found: error
retention-days: 7
- uses: actions/upload-artifact@v3
if: success() || failure()
with:
name: test_results
path: pyscriptjs/test_results
if-no-files-found: error
eslint:
runs-on: ubuntu-latest
defaults:
run:
working-directory: pyscriptjs
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: npm install
run: npm install
- name: Eslint
run: npx eslint src -c .eslintrc.js
Deploy:
runs-on: ubuntu-latest
needs: BuildAndTest
if: github.ref == 'refs/heads/main' # Only deploy on merge into main
permissions:
contents: read
id-token: write
steps:
- uses: actions/download-artifact@v3
with:
name: pyscript
path: ./build/
# Deploy to S3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
run: aws s3 sync --quiet ./build/ s3://pyscript.net/unstable/

62
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@@ -0,0 +1,62 @@
name: "[Docs] Build Release"
on:
release:
types: [published]
jobs:
build:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
env:
SPHINX_HTML_BASE_URL: https://docs.pyscript.net/
steps:
- name: Checkout
uses: actions/checkout@v3
with:
persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
- name: Setup
uses: conda-incubator/setup-miniconda@v2
with:
auto-update-conda: true
activate-environment: docs
environment-file: docs/environment.yml
python-version: "3.9"
- name: Build
shell: bash -l {0}
run: |
cd docs/
make html
- name: Upload artifacts
uses: actions/upload-artifact@v3
with:
name: pyscript-docs-${{ github.ref_name }}
path: docs/_build/html/
# Deploy to S3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Copy redirect file
run: aws s3 cp --quiet ./docs/_build/html/_static/redirect.html s3://docs.pyscript.net/index.html
- name: Sync to S3
run: aws s3 sync --quiet ./docs/_build/html/ s3://docs.pyscript.net/${{ github.ref_name }}/
# Make sure to remove the latest folder so we sync the full docs upon release
- name: Delete latest directory
run: aws s3 rm --recursive s3://docs.pyscript.net/latest/
# Note that the files are the same as above, but we want to have folders with
# /<tag name>/ AND /latest/ which latest will always point to the latest release
- name: Sync to /latest
run: aws s3 sync --quiet ./docs/_build/html/ s3://docs.pyscript.net/latest/

53
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@@ -0,0 +1,53 @@
name: "[Docs] Build Review"
on:
pull_request:
branches:
- "*"
paths:
- docs/**
concurrency:
# Concurrency group that uses the workflow name and PR number if available
# or commit SHA as a fallback. If a new build is triggered under that
# concurrency group while a previous build is running it will be canceled.
# Repeated pushes to a PR will cancel all previous builds, while multiple
# merges to main will not cancel.
group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
cancel-in-progress: true
jobs:
build:
if: github.repository_owner == 'pyscript'
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
env:
SPHINX_HTML_BASE_URL: https://docs.pyscript.net/
steps:
- name: Checkout
uses: actions/checkout@v3
with:
persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
- name: Setup
uses: conda-incubator/setup-miniconda@v2
with:
auto-update-conda: true
activate-environment: docs
environment-file: docs/environment.yml
python-version: "3.9"
- name: Build
shell: bash -l {0}
run: |
cd docs/
make html
- name: Upload artifacts
uses: actions/upload-artifact@v3
with:
name: pyscript-docs-review-${{ github.event.number }}
path: docs/_build/html/

58
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@@ -0,0 +1,58 @@
name: "[Docs] Build Latest"
on:
push:
branches:
- main
paths:
- docs/**
jobs:
build:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
env:
SPHINX_HTML_BASE_URL: https://docs.pyscript.net/
steps:
- name: Checkout
uses: actions/checkout@v3
with:
persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
- name: Setup
uses: conda-incubator/setup-miniconda@v2
with:
auto-update-conda: true
activate-environment: docs
environment-file: docs/environment.yml
python-version: "3.9"
- name: Build
shell: bash -l {0}
run: |
cd docs/
make html
- name: Upload artifacts
uses: actions/upload-artifact@v3
with:
name: pyscript-docs-latest
path: docs/_build/html/
# Deploy to S3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
# Sync will only copy changed files
- name: Sync Error
run: aws s3 cp --quiet ./docs/_static/s3_error.html s3://docs.pyscript.net/error.html
# Sync will only copy changed files
- name: Sync to S3
run: aws s3 sync --quiet ./docs/_build/html/ s3://docs.pyscript.net/unstable/

59
.github/workflows/prepare-release.yml vendored Normal file
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@@ -0,0 +1,59 @@
name: "[CI] Prepare Release"
on:
push:
tags:
- "[0-9][0-9][0-9][0-9].[0-9][0-9].[0-9]+" # YYYY.MM.MICRO
env:
MINICONDA_PYTHON_VERSION: py38
MINICONDA_VERSION: 4.11.0
defaults:
run:
working-directory: pyscriptjs
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: setup Miniconda
uses: conda-incubator/setup-miniconda@v2
- name: Setup Environment
run: make setup
- name: Build and Test
run: make test
- name: Zip build folder
run: zip -r -q ./build.zip ./build
- name: Prepare Release
uses: softprops/action-gh-release@v1
with:
draft: true
prerelease: true
generate_release_notes: true
files: ./build.zip

63
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@@ -0,0 +1,63 @@
name: "[CI] Publish Release"
on:
release:
types: [published]
env:
MINICONDA_PYTHON_VERSION: py38
MINICONDA_VERSION: 4.11.0
defaults:
run:
working-directory: pyscriptjs
jobs:
build:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
- name: setup Miniconda
uses: conda-incubator/setup-miniconda@v2
- name: Setup Environment
run: make setup
- name: Build and Test
run: make test
# Upload to S3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
run:
| # Update /latest and create an explicitly versioned directory under releases/YYYY.MM.MICRO/
aws s3 sync --quiet ./build/ s3://pyscript.net/latest/
aws s3 sync --quiet ./build/ s3://pyscript.net/releases/${{ github.ref_name }}/

26
.github/workflows/publish-snapshot.yml vendored Normal file
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@@ -0,0 +1,26 @@
name: "[CI] Publish Snapshot"
# Copy /unstable/ to /snapshots/2022.09.1.RC1/
on:
workflow_dispatch:
inputs:
snapshot_version:
description: "The calver version of this snapshot: 2022.09.1 or 2022.09.1.RC1"
type: string
required: true
jobs:
snapshot:
runs-on: ubuntu-latest
permissions:
contents: read
id-token: write
steps:
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
run: >
aws s3 sync s3://pyscript.net/unstable/ s3://pyscript.net/snapshots/${{ inputs.snapshot_version }}/

View File

@@ -1,12 +1,8 @@
name: '[CI] Sync Examples'
name: "[CI] Sync Examples"
on:
push: # Only run on merges into main that modify files under pyscriptjs/examples/
branches:
- main
paths:
- pyscriptjs/examples/**
- .github/workflows/sync-examples.yml # Test that workflow works when changed
release:
types: [published]
jobs:
build:
@@ -16,18 +12,18 @@ jobs:
id-token: write
defaults:
run:
working-directory: pyscriptjs/examples
working-directory: examples
steps:
# Deploy to S3
- name: Checkout
uses: actions/checkout@v3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{secrets.AWS_REGION}}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name: Sync to S3
# Sync outdated or new files, delete ones no longer in source
run: aws s3 sync --quiet --delete . s3://pyscript.net/examples/ # Sync directory, delete what is not in source
# Deploy to S3
- name: Checkout
uses: actions/checkout@v3
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v1.6.1
with:
aws-region: ${{ secrets.AWS_REGION }}
role-to-assume: ${{ secrets.AWS_OIDC_RUNNER_ROLE }}
- name:
Sync to S3
# Sync outdated or new files, delete ones no longer in source
run: aws s3 sync --quiet --delete . s3://pyscript.net/examples/ # Sync directory, delete what is not in source

74
.github/workflows/test-next.yml vendored Normal file
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@@ -0,0 +1,74 @@
name: "[CI] Test Next"
on:
push: # Only run on merges into main that modify files under pyscriptjs/ and examples/
branches:
- next
paths:
- pyscript.core/**
- .github/workflows/test-next.yml # Test that workflow works when changed
pull_request: # Run on any PR that modifies files under pyscriptjs/ and examples/
branches:
- next
paths:
- pyscript.core/**
- .github/workflows/test-next.yml # Test that workflow works when changed
workflow_dispatch:
jobs:
TestNext:
runs-on: ubuntu-latest
defaults:
run:
working-directory: pyscript.core
steps:
- name: Checkout
uses: actions/checkout@v3
- name: Install node
uses: actions/setup-node@v3
with:
node-version: 20.x
- name: Cache node modules
uses: actions/cache@v3
env:
cache-name: cache-node-modules
with:
# npm cache files are stored in `~/.npm` on Linux/macOS
path: ~/.npm
key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
restore-keys: |
${{ runner.os }}-build-${{ env.cache-name }}-
${{ runner.os }}-build-
${{ runner.os }}-
# TODO: this will likely change soon to pyscript.next
# - name: install next deps
# working-directory: pyscript.core
# run: npm i; npx playwright install
# - name: build next
# working-directory: pyscript.core
# run: npm run build
# - name: Run next tests
# working-directory: pyscript.core
# run: npm run test
# TODO: DO we want to upload next yet?
# - uses: actions/upload-artifact@v3
# with:
# name: pyscript
# path: |
# pyscriptjs/build/
# if-no-files-found: error
# retention-days: 7
# - uses: actions/upload-artifact@v3
# if: success() || failure()
# with:
# name: test_results
# path: pyscriptjs/test_results
# if-no-files-found: error

16
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@@ -0,0 +1,16 @@
name: Test Report
on:
workflow_run:
workflows: ['\[CI\] Build Unstable']
types:
- completed
jobs:
report:
runs-on: ubuntu-latest
steps:
- uses: dorny/test-reporter@v1.6.0
with:
artifact: test_results
name: Test reports
path: "*.xml"
reporter: java-junit

8
.gitignore vendored
View File

@@ -51,6 +51,7 @@ coverage.xml
*.py,cover
.hypothesis/
.pytest_cache/
pyscriptjs/examples
# Translations
*.mo
@@ -71,6 +72,8 @@ instance/
# Sphinx documentation
docs/_build/
docs/_env/
newdocs/_env/
# PyBuilder
target/
@@ -134,3 +137,8 @@ dmypy.json
.pyre/
node_modules/
coverage/
# junit xml for test results
test_results

View File

@@ -1,77 +1,63 @@
# This is the configuration for pre-commit, a local framework for managing pre-commit hooks
# Check out the docs at: https://pre-commit.com/
ci:
skip: [eslint]
autoupdate_schedule: monthly
default_stages: [commit]
repos:
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v4.2.0
hooks:
- id: check-builtin-literals
- id: check-case-conflict
- id: check-docstring-first
- id: check-executables-have-shebangs
- id: check-json
exclude: tsconfig.json
- id: check-toml
- id: check-xml
- id: check-yaml
- id: detect-private-key
- id: end-of-file-fixer
exclude: \.min\.js$
- id: trailing-whitespace
- repo: https://github.com/pre-commit/pre-commit-hooks
rev: v4.4.0
hooks:
- id: check-builtin-literals
- id: check-case-conflict
- id: check-docstring-first
- id: check-executables-have-shebangs
- id: check-json
exclude: tsconfig\.json
- id: check-toml
- id: check-xml
- id: check-yaml
- id: detect-private-key
- id: end-of-file-fixer
exclude: pyscript\.core/core.*|\.min\.js$
- id: trailing-whitespace
- repo: https://github.com/PyCQA/bandit
rev: 1.7.4
hooks:
- id: bandit
args:
- --skip=B201
- repo: https://github.com/charliermarsh/ruff-pre-commit
rev: v0.0.257
hooks:
- id: ruff
exclude: pyscript\.core/test|pyscript\.core/src/display.py
args: [--fix]
- repo: https://github.com/psf/black
rev: 22.3.0
hooks:
- id: black
- repo: https://github.com/psf/black
rev: 23.1.0
hooks:
- id: black
- repo: https://github.com/codespell-project/codespell
rev: v2.1.0
hooks:
- id: codespell # See 'setup.cfg' for args
- repo: https://github.com/codespell-project/codespell
rev: v2.2.4
hooks:
- id: codespell # See 'pyproject.toml' for args
exclude: \.js\.map$
additional_dependencies:
- tomli
- repo: https://github.com/PyCQA/flake8
rev: 4.0.1
hooks:
- id: flake8 # See 'setup.cfg' for args
additional_dependencies: [flake8-bugbear, flake8-comprehensions]
- repo: https://github.com/hoodmane/pyscript-prettier-precommit
rev: "v3.0.0-alpha.6"
hooks:
- id: prettier
exclude: pyscript\.core/test|pyscript\.core/core.*|pyscript\.core/types/|pyscript\.sw/
args: [--tab-width, "4"]
- repo: https://github.com/pycqa/isort
rev: 5.10.1
hooks:
- id: isort
name: isort (python)
args: [--profile, black]
- repo: https://github.com/macisamuele/language-formatters-pre-commit-hooks
rev: v2.3.0
hooks:
- id: pretty-format-yaml
args: [--autofix, --indent, '4']
- repo: https://github.com/asottile/pyupgrade
rev: v2.32.1
hooks:
- id: pyupgrade
args:
- --py310-plus
- repo: https://github.com/pre-commit/mirrors-eslint
rev: v8.15.0
hooks:
- id: eslint
files: pyscriptjs/src/.*\.[jt]sx?$ # *.js, *.jsx, *.ts and *.tsx
types: [file]
additional_dependencies:
- eslint
- eslint-plugin-svelte3
- typescript
- '@typescript-eslint/eslint-plugin'
- '@typescript-eslint/parser'
- repo: https://github.com/pre-commit/mirrors-eslint
rev: v8.36.0
hooks:
- id: eslint
files: pyscriptjs/src/.*\.[jt]sx?$ # *.js, *.jsx, *.ts and *.tsx
types: [file]
additional_dependencies:
- eslint@8.25.0
- typescript@5.0.4
- "@typescript-eslint/eslint-plugin@5.58.0"
- "@typescript-eslint/parser@5.58.0"

5
.prettierignore Normal file
View File

@@ -0,0 +1,5 @@
ISSUE_TEMPLATE
*.min.*
package-lock.json
docs
examples/panel.html

28
.readthedocs.yml Normal file
View File

@@ -0,0 +1,28 @@
# .readthedocs.yaml
# Read the Docs configuration file
# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
# Required
version: 2
# Set the version of Python and other tools you might need
build:
os: ubuntu-20.04
tools:
python: miniconda3-4.7
# Build documentation in the docs/ directory with Sphinx
sphinx:
configuration: docs/conf.py
conda:
environment: docs/environment.yml
# If using Sphinx, optionally build your docs in additional formats such as PDF
# formats:
# - pdf
# Optionally declare the Python requirements required to build your docs
python:
install:
- requirements: docs/requirements.txt

View File

@@ -1,4 +1,4 @@
# Code of Conduct
The Code of Conduct is available in the pyscript Governance repo.
The Code of Conduct is available in the PyScript Governance repo.
See https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md

View File

@@ -4,81 +4,64 @@ Thank you for wanting to contribute to the PyScript project!
## Table of contents
* [Code of Conduct](#code-of-conduct)
* [Contributing](#contributing)
* [Reporting bugs](#reporting-bugs)
* [Reporting security issues](#reporting-security-issues)
* [Asking questions](#asking-questions)
* [Setting up your environment](#setting-up-your-environment)
* [Places to start](#places-to-start)
* [Submitting a change](#submitting-a-change)
* [License terms for contributions](#license-terms-for-contributions)
* [Becoming a maintainer](#becoming-a-maintainer)
* [Trademarks](#trademarks)
- [Contributing to PyScript](#contributing-to-pyscript)
- [Table of contents](#table-of-contents)
- [Code of Conduct](#code-of-conduct)
- [Contributing](#contributing)
- [Reporting bugs](#reporting-bugs)
- [Creating useful issues](#creating-useful-issues)
- [Reporting security issues](#reporting-security-issues)
- [Asking questions](#asking-questions)
- [Setting up your local environment and developing](#setting-up-your-local-environment-and-developing)
- [Developing](#developing)
- [Rebasing changes](#rebasing-changes)
- [Building the docs](#building-the-docs)
- [Places to start](#places-to-start)
- [Setting up your local environment and developing](#setting-up-your-local-environment-and-developing)
- [Submitting a change](#submitting-a-change)
- [License terms for contributions](#license-terms-for-contributions)
- [Becoming a maintainer](#becoming-a-maintainer)
- [Trademarks](#trademarks)
## Code of Conduct
# Code of Conduct
The [PyScript Code of Conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md) governs the project and everyone participating in it. By participating, you are expected to uphold this code. Please report unacceptable behavior to the maintainers or administrators as described in that document.
## Contributing
# Contributing
### Reporting bugs
## Reporting bugs
Bugs are tracked on the [project issues page](https://github.com/pyscript/pyscript/issues). Please check if your issue has already been filed by someone else by searching the existing issues before filing a new one. Once your issue is filed, it will be triaged by another contributor or maintainer. If there are questions raised about your issue, please respond promptly.
#### Creating useful issues
## Creating useful issues
* Use a clear and descriptive title.
* Describe the specific steps that reproduce the problem with as many details as possible so that someone can verify the issue.
* Describe the behavior you observed, and the behavior you had expected.
* Include screenshots if they help make the issue clear.
- Use a clear and descriptive title.
- Describe the specific steps that reproduce the problem with as many details as possible so that someone can verify the issue.
- Describe the behavior you observed, and the behavior you had expected.
- Include screenshots if they help make the issue clear.
### Reporting security issues
## Reporting security issues
If you aren't confident that it is appropriate to submit a security issue using the above process, you can e-mail it to security@pyscript.net
### Asking questions
## Asking questions
If you have questions about the project, using PyScript, or anything else, please ask in the [PyScript forum](https://community.anaconda.cloud/c/tech-topics/pyscript).
### Setting up your environment
## Places to start
* clone the repo
```
git clone https://github.com/pyscript/pyscript
```
* cd into the main project folder
```
cd pyscript/pyscriptjs
```
* install the dependencies with npm install - make sure to use nodejs version >= 16
```
npm install
```
* run npm run dev to build and run the dev server. This will also watch for changes and rebuild when a file is saved.
```
npm run dev
```
If you would like to contribute to PyScript, but you aren't sure where to begin, here are some suggestions:
### Places to start
- **Read over the existing documentation.** Are there things missing, or could they be clearer? Make some changes/additions to those documents.
- **Review the open issues.** Are they clear? Can you reproduce them? You can add comments, clarifications, or additions to those issues. If you think you have an idea of how to address the issue, submit a fix!
- **Look over the open pull requests.** Do you have comments or suggestions for the proposed changes? Add them.
- **Check out the examples.** Is there a use case that would be good to have sample code for? Create an example for it.
If you would like to contribute to PyScript, but you aren't sure where to begin, here are some suggestions.
## Setting up your local environment and developing
* **Read over the existing documentation.** Are there things missing, or could they be clearer? Make some changes/additions to those documents.
* **Review the open issues.** Are they clear? Can you reproduce them? You can add comments, clarifications, or additions to those issues. If you think you have an idea of how to address the issue, submit a fix!
* **Look over the open pull requests.** Do you have comments or suggestions for the proposed changes? Add them.
* **Check out the examples.** Is there a use case that would be good to have sample code for? Create an example for it.
If you would like to contribute to PyScript, you will need to set up a local development environment. The [following instructions](https://docs.pyscript.net/latest/development/setting-up-environment.html) will help you get started.
### Submitting a change
All contributions must be licensed Apache 2.0, and all files must have a copy of the boilerplate license comment (can be copied from an existing file).
To create a change for PyScript, you can follow the process described [here](https://docs.github.com/en/get-started/quickstart/contributing-to-projects).
* Fork a personal copy of the PyScript project.
* Make the changes you would like (don't forget to test them!)
* Please squash all commits for a change into a single commit (this can be done using "git rebase -i"). Do your best to have a well-formed commit message for the change.
* Open a pull request back to the PyScript project and address any comments/questions from the maintainers and other contributors.
You can also read about PyScript's [development process](https://docs.pyscript.net/latest/development/developing.html) to learn how to contribute code to PyScript, how to run tests and what's the PR etiquette of the community!
## License terms for contributions
@@ -86,12 +69,13 @@ This Project welcomes contributions, suggestions, and feedback. All contribution
## Becoming a maintainer
Contributors are invited to be maintainers to the project by demonstrating good decision making in their contributions, a commitment to the goals of the project, and consistent adherence to the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md). New maintainers are invited by a 3/4 vote of the existing maintainers.
Contributors are invited to be maintainers of the project by demonstrating good decision making in their contributions, a commitment to the goals of the project, and consistent adherence to the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md). New maintainers are invited by a 3/4 vote of the existing maintainers.
## Trademarks
The Project abides by the Organization's [trademark policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md).
---
Part of MVG-0.1-beta.
Made with love by GitHub. Licensed under the [CC-BY 4.0 License](https://creativecommons.org/licenses/by-sa/4.0/).

View File

@@ -1,210 +0,0 @@
# Getting started with PyScript
This page will guide you through getting started with PyScript.
## Development setup
PyScript does not require any development environment other
than a web browser. We recommend using [Chrome](https://www.google.com/chrome/).
If you're using [VSCode](https://code.visualstudio.com/), the
[Live Server extension](https://marketplace.visualstudio.com/items?itemName=ritwickdey.LiveServer)
can be used to reload the page as you edit the HTML file.
## Installation
There is no installation required. In this document we'll use
the PyScript assets served on https://pyscript.net.
If you want to download the source and build it yourself, follow
the instructions in the README.md file.
## Your first PyScript HTML file
Here's a "Hello, world!" example using PyScript.
Using your favorite editor create a new file called `hello.html` in
the same directory as your PyScript, JavaScript, and CSS files with the
following content, and open the file in your web browser. You can typically
open an HTML by double clicking it in your file explorer.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
</head>
<body> <py-script> print('Hello, World!') </py-script> </body>
</html>
```
Notice the use of the `<py-script>` tag in the HTML body. This
is where you'll write your Python code. In the following sections we'll
introduce the 8 tags provided by PyScript.
## The py-script tag
The `<py-script>` tag lets you execute multi-line Python scripts and
print back onto the page. For
example, we can compute π.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
</head>
<body>
<py-script>
print("Let's compute π:")
def compute_pi(n):
pi = 2
for i in range(1,n):
pi *= 4 * i ** 2 / (4 * i ** 2 - 1)
return pi
pi = compute_pi(100000)
s = f"π is approximately {pi:.3f}"
print(s)
</py-script>
</body>
</html>
```
### Writing into labeled elements
In the example above we had a single `<py-script>` tag and it printed
one or more lines onto the page in order. Within the `<py-script>` you
have access to the `pyscript` module, which provides a `.write()` method
to send strings into labeled elements on the page.
For example we'll add some style elements and provide place holders for
the `<py-script>` tag write to.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
</head>
<body>
<b><p>Today is <u><label id='today'></label></u></p></b>
<br>
<div id="pi" class="alert alert-primary"></div>
<py-script>
import datetime as dt
pyscript.write('today', dt.date.today().strftime('%A %B %d, %Y'))
def compute_pi(n):
pi = 2
for i in range(1,n):
pi *= 4 * i ** 2 / (4 * i ** 2 - 1)
return pi
pi = compute_pi(100000)
pyscript.write('pi', f'π is approximately {pi:.3f}')
</py-script>
</body>
</html>
```
## Packages and modules
In addition to the [Python Standard Library](https://docs.python.org/3/library/) and
the `pyscript` module, many 3rd-party OSS packages will work out-of-the-box with PyScript.
In order to use them you will need to declare the dependencies using the `<py-env>` in the
HTML head. You can also link to `.whl` files directly on disk like in our [toga example](https://github.com/pyscript/pyscript/blob/main/pyscriptjs/examples/toga/freedom.html)
```
<py-env>
- './static/wheels/travertino-0.1.3-py3-none-any.whl'
</py-env>
```
If your `.whl` is not a pure Python wheel, then open a PR or issue with [pyodide](https://github.com/pyodide/pyodide) to get it added [here](https://github.com/pyodide/pyodide/tree/main/packages).
If there's enough popular demand the pyodide team will likely work on supporting your package, regardless things will likely move faster if you make the PR and consult with the team to get unblocked.
For example, NumPy and Matplotlib are available. Notice here we're using `<py-script output="plot">`
as a shortcut, which takes the expression on the last line of the script and runs `pyscript.write('plot', fig)`.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
<py-env>
- numpy
- matplotlib
</py-env>
</head>
<body>
<h1>Let's plot random numbers</h1>
<div id="plot"></div>
<py-script output="plot">
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(1000)
y = np.random.randn(1000)
fig, ax = plt.subplots()
ax.scatter(x, y)
fig
</py-script>
</body>
</html>
```
### Local modules
In addition to packages you can declare local Python modules that will
be imported in the `<py-script>` tag. For example, we can place the random
number generation steps in a function in the file `data.py`.
```python
# data.py
import numpy as np
def make_x_and_y(n):
x = np.random.randn(n)
y = np.random.randn(n)
return x, y
```
In the HTML tag `<py-env>` paths to local modules are provided in the
`paths:` key.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
<py-env>
- numpy
- matplotlib
- paths:
- /data.py
</py-env>
</head>
<body>
<h1>Let's plot random numbers</h1>
<div id="plot"></div>
<py-script output="plot">
import matplotlib.pyplot as plt
from data import make_x_and_y
x, y = make_x_and_y(n=1000)
fig, ax = plt.subplots()
ax.scatter(x, y)
fig
</py-script>
</body>
</html>
```

View File

@@ -1,6 +1,6 @@
# Governance Policy
This document provides the governance policy for the Project. Maintainers agree to this policy and to abide by all Project polices, including the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md), [trademark policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md), and [antitrust policy](https://github.com/pyscript/governance/blob/main/ANTITRUST.md) by adding their name to the [maintainers.md file](./MAINTAINERS.md).
This document provides the governance policy for the Project. Maintainers agree to this policy and to abide by all Project policies, including the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md), [trademark policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md), and [antitrust policy](https://github.com/pyscript/governance/blob/main/ANTITRUST.md) by adding their name to the [maintainers.md file](https://github.com/pyscript/pyscript/blob/main/MAINTAINERS.md).
## 1. Roles.
@@ -41,5 +41,6 @@ Any names, trademarks, logos, or goodwill developed by and associated with the P
Amendments to this governance policy may be made by affirmative vote of 2/3 of all Maintainers, with approval by the Organization's Steering Committee.
---
Part of MVG-0.1-beta.
Made with love by GitHub. Licensed under the [CC-BY 4.0 License](https://creativecommons.org/licenses/by-sa/4.0/).

View File

@@ -1,17 +1,24 @@
# Maintainers
This document lists the Maintainers of the Project. Maintainers may be added once approved by the existing maintainers as described in the [Governance document](./GOVERNANCE.md). By adding your name to this list you are agreeing to abide by the Project governance documents and to abide by all of the Organization's polices, including the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md), [trademark policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md), and [antitrust policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md). If you are participating because of your affiliation with another organization (designated below), you represent that you have the authority to bind that organization to these policies.
This document lists the Maintainers of the Project. Maintainers may be added once approved by the existing maintainers as described in the [Governance document](https://github.com/pyscript/pyscript/blob/main/GOVERNANCE.md). By adding your name to this list you are agreeing to abide by the Project governance documents and to abide by all of the Organization's polices, including the [code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md), [trademark policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md), and [antitrust policy](https://github.com/pyscript/governance/blob/main/TRADEMARKS.md). If you are participating because of your affiliation with another organization (designated below), you represent that you have the authority to bind that organization to these policies.
| **NAME** | **Organization** |
| --- | --- |
| Fabio Pliger | Anaconda, Inc |
| Antonio Cuni | Anaconda, Inc |
| Philipp Rudiger | Anaconda, Inc |
| Peter Wang | Anaconda, Inc |
| Kevin Goldsmith | Anaconda, Inc |
| Mariana Meireles | Anaconda, Inc |
| --- | --- |
| **NAME** | **Organization** |
| -------------------- | ---------------- |
| Fabio Pliger | Anaconda, Inc |
| Antonio Cuni | Anaconda, Inc |
| Philipp Rudiger | Anaconda, Inc |
| Peter Wang | Anaconda, Inc |
| Kevin Goldsmith | Anaconda, Inc |
| Mariana Meireles | |
| Nicholas H.Tollervey | Anaconda, Inc |
| Madhur Tandon | Anaconda, Inc |
| Ted Patrick | Anaconda, Inc |
| Jeff Glass | |
| Paul Everitt | |
| Fabio Rosado | Anaconda, Inc |
| Andrea Giammarchi | Anaconda, Inc |
---
Part of MVG-0.1-beta.
Made with love by GitHub. Licensed under the [CC-BY 4.0 License](https://creativecommons.org/licenses/by-sa/4.0/).

View File

@@ -3,43 +3,53 @@
## What is PyScript
### Summary
PyScript is a Pythonic alternative to Scratch, JSFiddle, and other "easy to use" programming frameworks, with the goal of making the web a friendly, hackable place where anyone can author interesting and interactive applications.
To get started see [GETTING-STARTED](GETTING-STARTED.md).
PyScript is a framework that allows users to create rich Python applications in the browser using HTML's interface and the power of [Pyodide](https://pyodide.org/en/stable/), [WASM](https://webassembly.org/), and modern web technologies.
For examples see [the pyscript folder](pyscriptjs).
To get started see the [getting started tutorial](docs/tutorials/getting-started.md).
For examples see [here](examples).
### Longer Version
PyScript is a meta project that aims to combine multiple open technologies into a framework that allows users to create sophisticated browser applications with Python. It integrates seamlessly with the way the DOM works in the browser and allows users to add Python logic in a way that feels natural both to web and Python developers.
## Try PyScript
To try PyScript, import the appropriate pyscript files to your html page with:
To try PyScript, import the appropriate pyscript files into the `<head>` tag of your html page with:
```html
<link rel="stylesheet" href="https://pyscript.net/alpha/pyscript.css" />
<script defer src="https://pyscript.net/alpha/pyscript.js"></script>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
```
You can then use PyScript components in your html page. PyScript currently implements the following elements:
* `<py-script>`: can be used to define python code that is executable within the web page. The element itself is not rendered to the page and is only used to add logic
* `<py-repl>`: creates a REPL component that is rendered to the page as a code editor and allows users to write executable code
- `<py-script>`: can be used to define python code that is executable within the web page. The element itself is not rendered to the page and is only used to add logic
- `<py-repl>`: creates a REPL component that is rendered to the page as a code editor and allows users to write executable code
Check out the [pyscriptjs/examples](pyscriptjs/examples) folder for more examples on how to use it, all you need to do is open them in Chrome.
Check out the [the examples directory](examples) folder for more examples on how to use it, all you need to do is open them in Chrome.
## How to Contribute
To contribute see the [CONTRIBUTING](CONTRIBUTING.md) document.
Read the [contributing guide](CONTRIBUTING.md) to learn about our development process, reporting bugs and improvements, creating issues and asking questions.
Check out the [developing process](https://docs.pyscript.net/latest/development/developing.html) documentation for more information on how to setup your development environment.
## Resources
* [Discussion board](https://community.anaconda.cloud/c/tech-topics/pyscript)
* [Home Page](https://pyscript.net/)
* [Blog Post](https://engineering.anaconda.com/2022/04/welcome-pyscript.html)
- [Official docs](https://docs.pyscript.net)
- [Discussion board](https://community.anaconda.cloud/c/tech-topics/pyscript)
- [Home Page](https://pyscript.net/)
- [Blog Post](https://engineering.anaconda.com/2022/04/welcome-pyscript.html)
- [Discord Channel](https://discord.gg/BYB2kvyFwm)
## Notes
* This is an extremely experimental project, so expect things to break!
* PyScript has been only tested on Chrome at the moment.
- This is an extremely experimental project, so expect things to break!
- PyScript has been only tested on Chrome at the moment.
## Governance

19
TROUBLESHOOTING.md Normal file
View File

@@ -0,0 +1,19 @@
# Troubleshooting
This page is meant for troubleshooting common problems with PyScript.
## Table of contents:
- [Make Setup](#make-setup)
## Make setup
A lot of problems related to `make setup` are related to node and npm being outdated. Once npm and node are updated, `make setup` should work. You can follow the steps on the [npm documentation](https://docs.npmjs.com/try-the-latest-stable-version-of-npm) to update npm (the update command for Linux should work for Mac as well). Once npm has been updated you can continue to the instructions to update node below.
To update Node run the following commands in order (Most likely you'll be prompted for your user password, this is normal):
```
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
```

46
docs/Makefile Normal file
View File

@@ -0,0 +1,46 @@
# Minimal makefile for Sphinx documentation
#
# You can set these variables from the command line, and also
# from the environment for the first two.
SPHINXOPTS ?=
SPHINXBUILD ?= sphinx-build
SOURCEDIR = .
BUILDDIR = _build
CONDA_ENV ?= _env
# Put it first so that "make" without argument is like "make help".
help:
@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
env := $(CONDA_ENV)
conda_run := conda run -p $(env)
setup:
@if [ -z "$${CONDA_SHLVL:+x}" ]; then echo "Conda is not installed." && exit 1; fi
$(CONDA_EXE) env $(shell [ -d $(env) ] && echo update || echo create) -p $(env) --file environment.yml
clean:
rm -rf $(BUILDDIR)
clean-all: clean
rm -rf $(env) *.egg-info
shell:
@export CONDA_ENV_PROMPT='<{name}>'
@echo 'conda activate $(env)'
htmlserve: html
@echo 'visit docs at http://localhost:8080'
python -m http.server -d "$(BUILDDIR)/html/" 8080
livehtml:
sphinx-autobuild "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
.PHONY: help Makefile setup clean clean-all shell
# Catch-all target: route all unknown targets to Sphinx using the new
# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS).
%: Makefile
@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

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# PyScript documentation
Welcome to the PyScript documentation directory, where you can find
and contribute to discussions around PyScript and related topics.
## Getting started
Before you start contributing to the documentation, it's worthwhile to
take a look at the general contributing guidelines for the PyScript project. You can find these guidelines here
[Contributing Guidelines](https://github.com/pyscript/pyscript/blob/main/CONTRIBUTING.md)
## Documentation Principles
The PyScript documentation is based on a documentation framework called [Diátaxis](https://diataxis.fr/). This framework helps to solve the problem of structure in technical documentation and identifies four modes of documentation - **tutorials, how-to guides, technical reference and explanation**. Each one of these modes answers to a different user need, fulfills a different purpose and requires a different approach to its creation.
The picture below gives a good visual representation of that separation of concerns:
![pyodide-pyscript](./img/diataxis.png)
So, please keep that in mind when contributing to the project documentation. For more information on, make sure to check [their website](https://diataxis.fr/).
### Setup
The `docs` directory in the pyscript repository contains a
[Sphinx](https://www.sphinx-doc.org/) documentation project. Sphinx is a system
that takes plaintext files containing documentation written in Markdown, along with
static files like templates and themes, to build the static end result.
### Build
To learn how to build the docs, head over the [CONTRIBUTING](../CONTRIBUTING.md) page.
## Cross-referencing
You can link to other pages in the documentation by using the `{doc}` role. For example, to link to the `docs/README.md` file, you would use:
```markdown
{doc}`docs/README.md`
```
You can also cross-reference the python glossary by using the `{term}` role. For example, to link to the `iterable` term, you would use:
```markdown
{term}`iterable`
```
You can also cross-reference functions, methods or data attributes by using the `{attr}` for example:
```markdown
{py:func}`repr`
```
This would link to the `repr` function in the python builtins.

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<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
<style>
h1 {
color: #459db9;
}
.pulse {
animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
0%, 100% {
opacity: 1;
}
50% {
opacity: .2;
}
}
</style>
</head>
<body>
<h1>Let's plot random numbers</h1>
<div id="plot">
<div class="pulse" >
<p style='font-family: monospace sans-serif;'><big><big><big><big>&#10096;py&#10097;</big></big></big></big></p>
</div>
</div>
<py-config>
packages = [
"numpy",
"matplotlib"
]
</py-config>
<py-script>
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(1000)
y = np.random.randn(1000)
fig, ax = plt.subplots()
ax.scatter(x, y)
pyscript.write('plot', fig)
</py-script>
</body>
</html>

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<g fill="#fda703" stroke="none" transform="translate(0 100)">
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</path>
</g>
</svg>

After

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<html><head><meta http-equiv="refresh" content="0; URL='/latest/'" /></head><body></body></html>

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<html><head><meta http-equiv="refresh" content="5; URL='/latest/'" /></head><body>
<h1>404 - File not found</h1>
<p>You will be redirected to the latest documentation in 5 seconds.</p>
</body></html>

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# Release Notes
2023.XX.X
=========
Features
--------
- Added the `xterm` attribute to `py-config`. When set to `True` or `xterm`, an (output-only) [xterm.js](http://xtermjs.org/) terminal will be used in place of the default py-terminal.
- The default version of Pyodide is now `0.23.2`. See the [Pyodide Changelog](https://pyodide.org/en/stable/project/changelog.html#version-0-23-2) for a detailed list of changes.
- Added the `@when` decorator for attaching Python functions as event handlers
- The `py-mount` attribute on HTML elements has been deprecated, and will be removed in a future release.
### Runtime py- attributes
- Added logic to react to `py-*` attributes changes, removal, `py-*` attributes added to already live nodes but also `py-*` attributes added or defined via injected nodes (either appended or via `innerHTML` operations). ([#1435](https://github.com/pyscript/pyscript/pull/1435))
### &lt;script type="py"&gt;
- Added the ability to optionally use `<script type="py">`, `<script type="pyscript">` or `<script type="py-script">` instead of a `<py-script>` custom element, in order to tackle cases where the content of the `<py-script>` tag, inevitably parsed by browsers, could accidentally contain *HTML* able to break the surrounding page layout. ([#1396](https://github.com/pyscript/pyscript/pull/1396))
### &lt;py-terminal&gt;
- Added a `docked` field and attribute for the `<py-terminal>` custom element, enabled by default when the terminal is in `auto` mode, and able to dock the terminal at the bottom of the page with auto scroll on new code execution.
### &lt;py-script&gt;
- Restored the `output` attribute of `py-script` tags to route `sys.stdout` to a DOM element with the given ID. ([#1063](https://github.com/pyscript/pyscript/pull/1063))
- Added a `stderr` attribute of `py-script` tags to route `sys.stderr` to a DOM element with the given ID. ([#1063](https://github.com/pyscript/pyscript/pull/1063))
### &lt;py-repl&gt;
- The `output` attribute of `py-repl` tags now specifies the id of the DOM element that `sys.stdout`, `sys.stderr`, and the results of a REPL execution are written to. It no longer affects the location of calls to `display()`
- Added a `stderr` attribute of `py-repl` tags to route `sys.stderr` to a DOM element with the given ID. ([#1106](https://github.com/pyscript/pyscript/pull/1106))
- Resored the `output-mode` attribute of `py-repl` tags. If `output-mode` == 'append', the DOM element where output is printed is _not_ cleared before writing new results.
- Load code from the attribute src of py-repl and preload it into the corresponding py-repl tag by use the attribute `str` in your `py-repl` tag([#1292](https://github.com/pyscript/pyscript/pull/1292))
### Plugins
- Plugins may now implement the `beforePyReplExec()` and `afterPyReplExec()` hooks, which are called immediately before and after code in a `py-repl` tag is executed. ([#1106](https://github.com/pyscript/pyscript/pull/1106))
### Web worker support
- introduced the new experimental `execution_thread` config option: if you set `execution_thread = "worker"`, the python interpreter runs inside a web worker
- worker support is still **very** experimental: not everything works, use it at your own risk
Bug fixes
---------
- Fixes [#1280](https://github.com/pyscript/pyscript/issues/1280), which describes the errors on the PyRepl tests related to having auto-gen tags that shouldn't be there.
Enhancements
------------
- Py-REPL tests now run on both osx and non osx OSs
- migrated from *rollup* to *esbuild* to create artifacts
- updated `@codemirror` dependency to its latest
Docs
----
- Add docs for event handlers
2023.01.1
=========
Features
--------
Bug fixes
---------
- Fixed an issue where `pyscript` would not be available when using the minified version of PyScript. ([#1054](https://github.com/pyscript/pyscript/pull/1054))
- Fixed missing closing tag when rendering an image with `display`. ([#1058](https://github.com/pyscript/pyscript/pull/1058))
- Fixed a bug where Python plugins methods were being executed twice. ([#1064](https://github.com/pyscript/pyscript/pull/1064))
Enhancements
------------
- When adding a `py-` attribute to an element but didn't added an `id` attribute, PyScript will now generate a random ID for the element instead of throwing an error which caused the splash screen to not shutdown. ([#1122](https://github.com/pyscript/pyscript/pull/1122))
- You can now disable the splashscreen by setting `enabled = false` in your `py-config` under the `[splashscreen]` configuration section. ([#1138](https://github.com/pyscript/pyscript/pull/1138))
Documentation
-------------
- Fixed 'Direct usage of document is deprecated' warning in the getting started guide. ([#1052](https://github.com/pyscript/pyscript/pull/1052))
- Added reference documentation for the `py-splashscreen` plugin ([#1138](https://github.com/pyscript/pyscript/pull/1138))
- Adds doc for installing tests ([#1156](https://github.com/pyscript/pyscript/pull/1156))
- Adds docs for custom Pyscript attributes (`py-*`) that allow you to add event listeners to an element ([#1125](https://github.com/pyscript/pyscript/pull/1125))
Deprecations and Removals
-------------------------
- The py-config `runtimes` to specify an interpreter has been deprecated. The `interpreters` config should be used instead. ([#1082](https://github.com/pyscript/pyscript/pull/1082))
- The attributes `pys-onClick` and `pys-onKeyDown` have been deprecated, but the warning was only shown in the console. An alert banner will now be shown on the page if the attributes are used. They will be removed in the next release. ([#1084](https://github.com/pyscript/pyscript/pull/1084))
- The pyscript elements `py-button`, `py-inputbox`, `py-box` and `py-title` have now completed their deprecation cycle and have been removed. ([#1084](https://github.com/pyscript/pyscript/pull/1084))
- The attributes `pys-onClick` and `pys-onKeyDown` have been removed. Use `py-click` and `py-keydown` instead ([#1361](https://github.com/pyscript/pyscript/pull/1361))

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../../../MAINTAINERS.md

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../../../GOVERNANCE.md

12
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# Concepts
This section contains various topics that are higher-level and useful to know.
```{toctree}
---
maxdepth: 2
glob:
---
what-is-pyscript
governance/*
```

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@@ -0,0 +1,33 @@
# What is PyScript?
The PyScript library provides HTML tags for embedding and executing Python code in your browser. PyScript is built using [Pyodide](https://pyodide.org/en/stable/), the WebAssembly port of CPython, which is compiled using [Emscripten](https://emscripten.org/).
PyScript turns the browser into a code deployment tool that anyone can learn to use.
## Example
In this example, we are using the `<py-script>` HTML tag to generate a Matplotlib figure and display it as an image.
Click **Preview** to see the rendered HTML.
To try it in your browser, copy the code below into an online HTML editor like W3School's [Tryit Editor](https://www.w3schools.com/html/tryit.asp?filename=tryhtml_default_default), which allows you to modify, run, and even save your code. Watch the video below to see it in action!
```{youtube} ZtC7TCt_LhU
```
::::{tab-set}
:::{tab-item} HTML Source
```{literalinclude} ../_static/examples/what-is-pyscript.html
---
```
:::
:::{tab-item} Preview
```{raw} html
<iframe height="600px" width="100%" scrolling="auto" frameborder="0" src="../_static/examples/what-is-pyscript.html"></iframe>
```
:::
::::

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# Configuration file for the Sphinx documentation builder.
#
# This file only contains a selection of the most common options. For a full
# list see the documentation:
# https://www.sphinx-doc.org/en/master/usage/configuration.html
# -- Path setup --------------------------------------------------------------
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#
import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))
# -- Project information -----------------------------------------------------
project = "PyScript"
copyright = "(c) 2023, Anaconda, Inc."
author = "Anaconda, Inc."
language = "en"
# -- General configuration ---------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
"myst_parser",
"sphinx_copybutton",
"sphinx_design",
"sphinx_togglebutton",
"sphinx_sitemap",
"sphinxemoji.sphinxemoji",
"sphinxcontrib.youtube",
"sphinx.ext.intersphinx",
]
intersphinx_mapping = {
"python": ("https://docs.python.org/3.10", None),
}
# Add any paths that contain templates here, relative to this directory.
templates_path = ["_templates"]
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This pattern also affects html_static_path and html_extra_path.
exclude_patterns = ["_build", "Thumbs.db", ".DS_Store", "_env", "README.md"]
# -- Options for HTML output -------------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
html_theme = "pydata_sphinx_theme"
html_logo = "_static/images/pyscript.svg"
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ["_static"]
# html_css_files = ["styles/custom.css"]
html_baseurl = os.environ.get("SPHINX_HTML_BASE_URL", "http://127.0.0.1:8000/")
sitemap_locales = [None]
sitemap_url_scheme = "{link}"
html_extra_path = ["robots.txt"]
html_theme_options = {
"github_url": "https://github.com/pyscript/pyscript",
"twitter_url": "https://twitter.com/pyscript_dev",
"icon_links_label": "Quick Links",
# "google_analytics_id": "G-XXXXXXXXXX",
"use_edit_page_button": True,
"show_nav_level": 2,
"external_links": [
# {"name": "GitHub repo", "url": "https://github.com/pyscript/pyscript"},
],
}
html_context = {
"default_mode": "dark",
"pygment_light_style": "tango",
"pygment_dark_style": "native",
"github_user": "pyscript",
"github_repo": "pyscript",
"github_version": "main",
"doc_path": "docs",
}
myst_enable_extensions = [
"dollarmath",
"amsmath",
"deflist",
"html_admonition",
"html_image",
"colon_fence",
"smartquotes",
"replacements",
]

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# Deprecation Cycle
Pyscript is under heavy development, which means that some things may change, and some features might need to be deprecated so you can use different alternative implementations.
This page describes the deprecation cycle for pyscript.
## Deprecation Steps
1. Remove usage of deprecated features from all examples.
2. Add warnings to all elements/features marked for deprecation.
3. Release a new version of pyscript with the deprecation warnings.
4. Next release, remove the deprecated features.
## Deprecation Warnings
Deprecation warnings are added to the codebase using the `showWarning` function from the `pyscriptjs.utils` module.
This function creates a warning banner on the page if any of the deprecated features was used. You can use HTML to write the message; ideally, you should provide an alternative to the deprecated feature.
### Example
```js
import {showWarning} from './utils'
showWarning(`
<p>
The <code>py-deprecated</code> tag is deprecated. Please use the <code>py-actual</code> tag instead. Please refer to <a href="#">this documentation page</a> for more information.
</p>
`, "html")
```
## Deprecation History
This section tracks deprecations of specific features, both for historical record and to help the development team remember to actually remove deprecated features in future releases.
|Attribute/Object/Functionality|Deprecated In|Removed In|
|-|-|-|
|`py-mount` attribute | (Release following 2023.03.1) | -|

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# Development Process
This document is intended to help you get started in developing software for the PyScript project. It assumes that you have [a working development environment](setting-up-environment.md). It also assumes you have a remote named `upstream` pointing to PyScript's repository and one named `origin` pointing to your own repository.
* First, make sure you are using the latest version of the pyscript main branch
```
git pull upstream main
```
* Update your fork with the latest changes
```
git push origin main
```
* Activate the conda environment (this environment will contain all the necessary dependencies)
```
conda activate pyscriptjs/env/
```
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **NOTE**: We are assuming you are in the root folder. If you are in the pyscriptjs you can run `conda activate env/` instead.
* Install pre-commit (you only need to do this once)
```
pre-commit install
```
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **NOTE**: On first run, pre-commit installs a bunch of hooks that will be run when you commit changes to your branch - this will make sure that your code is following our style (it will also lint your code automatically).
* Create a branch for the issue that you want to work on
```
git checkout -b <your branch name>
```
* Work on your changes
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **NOTE**: If you are working on a python file, you may encounter linting issues when pre-commit runs. Pyscript uses [black](https://black.readthedocs.io/en/stable/) to fix any linting problems automatically. All you need to do is add the changes again and commit using your previous commit message (the previous one that failed didn't complete due to black formatting files).
* Run tests before pushing the changes
```
make test
```
To learn more about tests please refer to the session [Quick guide to pytest](## Quick guide to pytest).
* When you make changes locally, double check that your contribution follows the PyScript formatting rules by running `npm run lint`. Note that in this case you're looking for the errors, <u>**NOT**</u> the warnings (Unless the warning is created by a local change). If an error is found by the linter you should fix it <u>**before**</u> creating a pull request.
#### Rebasing changes
Sometimes you might be asked to rebase the main branch into your local branch. Please refer to this [section on git rebase from GitHub docs](https://docs.github.com/en/get-started/using-git/about-git-rebase).
If you need help with anything, feel free to reach out and ask for help!
## Updating the changelog
As you work on your changes, please update the changelog file `changelog.md` with a short description of the changes you made. This will help us keep track of what has changed in each release.
You can look at the [changelog](../changelog.md) for examples on how to add your changes to the changelog. But here's a quick example:
```
2023.02.01
=========
Bug fixes
---------
- Fixed a bug that was causing the app to crash when you tried to do something #PR_NUMBER
Enhancements
------------
- Made awesome new feature #PR_NUMBER
Documentation
-------------
- Added a new section to the docs #PR_NUMBER
```
## Quick guide to pytest
We make heavy usage of `pytest`. Here is a quick guide and collection of
useful options:
- To run all tests in the current directory and subdirectories: `pytest`
- To run tests in a specific directory or file: `pytest path/to/dir/test_foo.py`
- `-s`: disables output capturing
- `--pdb`: in case of exception, enter a `(Pdb)` prompt so that you can
inspect what went wrong.
- `-v`: verbose mode
- `-x`: stop the execution as soon as one test fails
- `-k foo`: run only the tests whose full name contains `foo`
- `-k 'foo and bar'`
- `-k 'foo and not bar'`
### Running integration tests under pytest
`make test` is useful to run all the tests, but during the development is
useful to have more control on how tests are run. The following guide assumes
that you are in the directory `pyscriptjs/tests/integration/`.
#### To run all the integration tests, single or multi core
```
$ pytest -xv
...
test_00_support.py::TestSupport::test_basic[chromium] PASSED [ 0%]
test_00_support.py::TestSupport::test_console[chromium] PASSED [ 1%]
test_00_support.py::TestSupport::test_check_js_errors_simple[chromium] PASSED [ 2%]
test_00_support.py::TestSupport::test_check_js_errors_expected[chromium] PASSED [ 3%]
test_00_support.py::TestSupport::test_check_js_errors_expected_but_didnt_raise[chromium] PASSED [ 4%]
test_00_support.py::TestSupport::test_check_js_errors_multiple[chromium] PASSED [ 5%]
...
```
`-x` means "stop at the first failure". `-v` means "verbose", so that you can
see all the test names one by one. We try to keep tests in a reasonable order,
from most basic to most complex. This way, if you introduced some bug in very
basic things, you will notice immediately.
If you have the `pytest-xdist` plugin installed, you can run all the
integration tests on 4 cores in parallel:
```
$ pytest -n 4
```
#### To run a single test, headless
```
$ pytest test_01_basic.py -k test_pyscript_hello -s
...
[ 0.00 page.goto ] pyscript_hello.html
[ 0.01 request ] 200 - fake_server - http://fake_server/pyscript_hello.html
...
[ 0.17 console.info ] [py-loader] Downloading pyodide-x.y.z...
[ 0.18 request ] 200 - CACHED - https://cdn.jsdelivr.net/pyodide/vx.y.z/full/pyodide.js
...
[ 3.59 console.info ] [pyscript/main] PyScript page fully initialized
[ 3.60 console.log ] hello pyscript
```
`-k` selects tests by pattern matching as described above. `-s` instructs
`pytest` to show the output to the terminal instead of capturing it. In the
output you can see various useful things, including network requests and JS
console messages.
#### To run a single test, headed
```
$ pytest test_01_basic.py -k test_pyscript_hello -s --headed
...
```
Same as above, but with `--headed` the browser is shown in a window, and you
can interact with it. The browser uses a fake server, which means that HTTP
requests are cached.
Unfortunately, in this mode source maps does not seem to work, and you cannot
debug the original typescript source code. This seems to be a bug in
playwright, for which we have a workaround:
```
$ pytest test_01_basic.py -k test_pyscript_hello -s --headed --no-fake-server
...
```
As the name implies, `-no-fake-server` disables the fake server: HTTP requests
are not cached, but source-level debugging works.
Finally:
```
$ pytest test_01_basic.py -k test_pyscript_hello -s --dev
...
```
`--dev` implies `--headed --no-fake-server`. In addition, it also
automatically open chrome dev tools.
#### To run only main thread or worker tests
By default, we run each test twice: one with `execution_thread = "main"` and
one with `execution_thread = "worker"`. If you want to run only half of them,
you can use `-m`:
```
$ pytest -m main # run only the tests in the main thread
$ pytest -m worker # ron only the tests in the web worker
```
## Fake server, HTTP cache
By default, our test machinery uses a playwright router which intercepts and
cache HTTP requests, so that for example you don't have to download pyodide
again and again. This also enables the possibility of running tests in
parallel on multiple cores.
The cache is stored using the `pytest-cache` plugin, which means that it
survives across sessions.
If you want to temporarily disable the cache, the easiest thing is to use
`--no-fake-server`, which bypasses it completely.
If you want to clear the cache, you can use the special option
`--clear-http-cache`:
**NOTE**: this works only if you are inside `tests/integration`, or if you
explicitly specify `tests/integration` from the command line. This is due to
how `pytest` decides to search for and load the various `conftest.py`.

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# Development
This section contains various topics related to pyscript development.
```{toctree}
---
maxdepth: 1
---
setting-up-environment
deprecation-cycle
developing
```

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# Setting up your development environment
These steps will help you set up your development environment. We suggest completing each step before going to the next step, as some parts have dependencies on previous commands.
## Prepare your repository
* Create a fork of the [PyScript github repository](https://github.com/pyscript/pyscript/fork) to your github.
* In your development machine, clone your fork of PyScript. Use this command in your terminal.
```sh
git clone https://github.com/<your username>/pyscript
```
* With the following command, add the original project as your upstream. This will allow you to pull the latest changes.
```sh
git remote add upstream https://github.com/pyscript/pyscript.git
git pull upstream main
```
* If the above fails, try this alternative:
```sh
git remote remove upstream
git remote add upstream git@github.com:pyscript/pyscript.git
git pull upstream main
```
## Install the dependencies
* change directory into `pyscriptjs` using this command:
```sh
cd pyscript/pyscriptjs
```
We need to ensure that we have installed `conda`, `nodejs` >= 16 and `make`, before we can continue.
* Install `conda` by downloading one of the following packages that include it [MiniConda](https://docs.conda.io/en/latest/miniconda.html) or [Anaconda](https://www.anaconda.com/download/).
* Install `nodejs` with at least version 16. This can be downloaded at [https://nodejs.org](https://nodejs.org)
* Ensure that `make` is available on your system:
* *Linux*. `make` is usually installed by default in most Linux distributions. In the case it is not installed, run the terminal command `sudo apt install make`.
* *OS X*. Install Apple Developer Tools. `make` is included in this package.
* *Windows*. It is recommended to use either Windows Subsystem for Linux (WSL) or GNUWin32 for installing `make`. Instructions can be found [in this StackOverflow question](https://stackoverflow.com/questions/32127524/how-to-install-and-use-make-in-windows).
* The following command will download and install the rest of the PyScript dependencies:
```
make setup
```
* **NOTE**: If `make setup` gives an error on an incompatible version for node or npm, please refer to [troubleshooting](https://github.com/pyscript/pyscript/blob/main/TROUBLESHOOTING.md).
## Activating the environment
* After the above `make setup` command is completed, it will print out the command for activating the environment using the following format. Use this to work on the development environment:
```
conda activate <environment name>
```
## Deactivating the environment
* To deactivate the environment, use the following command:
```
conda deactivate
```
# Running PyScript examples server
The examples server is used to view and edit the example files.
* change directory into `pyscriptjs` using this command:
```sh
cd pyscript/pyscriptjs
```
* To build the examples, run this command:
```
make examples
```
* To serve the examples, run this command:
```sh
python -m http.server 8080 --directory examples
```
* Alternately, you can also run this command if conda is not activated:
```sh
conda run -p <environment name> python -m http.server 8080 --directory examples
```
* You can access the examples server by visiting the following url in your browser: [http://localhost:8080](http://localhost:8080)
# Running the PyScript development server
The PyScript development server will regularly check for any changes in the src directory. If any changes were detected, the server will rebuild itself to reflect the changes. This is useful for development with PyScript.
* change directory into `pyscriptjs` using this command:
```sh
cd pyscript/pyscriptjs
```
* Use the following command to build and run the PyScript dev server.
```
npm run dev
```
* You can access the PyScript development server by visiting the following url in your browser: [http://localhost:8080](http://localhost:8080)
# Setting up the test environment
A key to good development is to perform tests before sending a Pull Request for your changes.
## Install the dependencies
* change directory into `pyscriptjs` using this command:
```sh
cd pyscript/pyscriptjs
```
* The following command will download the dependencies needed for running the tests:
```
make setup
```
* If you are not using a conda environment, or wish to install the dependencies manually, here are the packages needed:
* `pillow`
* `requests`
* `numpy`
* `playwright`
* `pytest-playwright`. Note that this is only available as a `pip` package.
## Activating the environment
* After the above `make setup` command is completed, it will print out the command for activating the environment using the following format:
```
conda activate <environment name>
```
## Deactivating the environment
* To deactivate the environment, use the following command:
```
conda deactivate
```
## Running the tests
* After setting up the test environment and while the environment is activated, you can run the tests with the following command:
```
make test
```
For more information about PyScript's testing framework, head over to the [development process](developing.md) page.
# Setting up your documentation environment
The documentation environment is separate from the development environment. It is used for updating and reviewing the documentation before deployment.
## Installing the dependencies
* change directory into the `docs` using this command:
```sh
cd pyscript/docs
```
* The following command will download, install the dependencies, and create the environment for you:
```
make setup
```
(activating-documentation-environment)=
## Activating the environment
* After the above `make setup` command is completed, it will print out the command for activating the environment using the following format:
```
conda activate <docs environment name>
```
Note that the docs environment path is different from the developer's environment path.
## Deactivating the environment
* To deactivate the environment, use the following command:
```
conda deactivate
```
## Contributing to the documentation
* Before sending a pull request, we recommend that your documentation conforms with [PyScript's code of conduct](https://github.com/pyscript/governance/blob/main/CODE-OF-CONDUCT.md) and with the general principles of [Diataxis](https://diataxis.fr/). Don't worry about reading too much on it, just do your best to keep your contributions on the correct axis.
* Write your documentation files using [Markedly Structured Text](https://myst-parser.readthedocs.io/en/latest/syntax/optional.html). This is similar to Markdown but with some addons to create the documentation infrastructure.
## Reviewing your work
* Before sending a Pull Request, review your work by starting the documentation server. To do this, use the following command:
```
make livehtml
```
You can visit the documentation server by opening a browser and visiting [http://127.0.0.1:8000](http://127.0.0.1:8000).
* Alternately, you can open a static documentation server. Unlike the above, this will not automatically update any changes done after running this server. To see the changes done, you will need to manually stop and restart the server. To do this, use the following command:
```
make htmlserve
```
You can visit the documentation server by opening a browser and visiting [http://127.0.0.1:8080](http://127.0.0.1:8080).
* To stop either server, press `ctrl+C` or `command+C` while the shell running the command is active.
* Note: If the above make commands failed, you need to activate the documentation environment first before running any of the commands. Refer to [Activating the environment](#activating-documentation-environment) section above.
# PyScript Demonstrator
A simple webapp to demonstrate the capabilities of PyScript.
## Getting started
1. If you don't already have Node.js, install it. The official installer for the
LTS version of Node is available from [nodejs.org](https://nodejs.org/).
2. If you don't already have Rollup, install it. Rollup can be installed as a
global resource using:
$ npm install --global rollup
3. Install the demo apps requirements:
$ npm install
4. Start the server:
$ npm run dev
This will compile the resources for the app, and start the development server.
5. When the compilation completes, it will display something like:
Your application is ready~! 🚀
- Local: http://localhost:8080
- Network: Add `--host` to expose
────────────────── LOGS ──────────────────
Once this is visible, open a browser at
[http://localhost:8080](http://localhost:8080). This will provide a list of
demos that you can run.
## More information
For more information:
* [Discussion board](https://community.anaconda.cloud/c/tech-topics/pyscript)
* [Home Page](https://pyscript.net/)
* [Blog Post](https://engineering.anaconda.com/2022/04/welcome-pyscript.html)
* [Discord Channel](https://discord.gg/BYB2kvyFwm)
We use Discord as the main place for our discussions

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channels:
- conda-forge
- defaults
dependencies:
- python=3.9
- pip=20.2.2
- Sphinx=4.5.0
- myst-parser=0.17.2
- pydata-sphinx-theme
- sphinx-copybutton
- sphinx-design
- sphinx-togglebutton
- nodejs=16
- pip:
- sphinxemoji
- sphinx-sitemap
- sphinx-autobuild
- sphinxcontrib-youtube

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# Not found!
The page that you looked for could not be found. If you think this is a mistake, please [open an issue](https://github.com/pyscript/pyscript/issues/new/)

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# Using Async/Await and Asyncio
## {bdg-warning-line}`Deprecated` Implicit Coroutine Scheduling / Top-Level Await
In PyScript versions 2022.09.1 and earlier, \<py-script\> tags could be written in a way that enabled "Implicit Coroutine Scheduling." The keywords `await`, `async for` and `await with` were permitted to be used outside of `async` functions. Any \<py-script\> tags with these keywords at the top level were compiled into coroutines and automatically scheuled to run in the browser's event loop. This functionality was deprecated, and these keywords are no longer allowed outside of `async` functions.
To transition code from using top-level await statements to the currently-acceptable syntax, wrap the code into a coroutine using `async def()` and schedule it to run in the browser's event looping using `asyncio.ensure_future()` or `asyncio.create_task()`.
The following two pieces of code are functionally equivalent - the first only works in versions 2022.09.1, the latter is the currently acceptable equivalent.
```python
# This version is deprecated, since
# it uses 'await' outside an async function
<py-script>
import asyncio
for i in range(3):
print(i)
await asyncio.sleep(1)
</py-script>
```
```python
# This version is acceptable
<py-script>
import asyncio
async def main():
for i in range(3):
print(i)
await asyncio.sleep(1)
asyncio.ensure_future(main())
</py-script>
```

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# Creating custom pyscript plugins
Pyscript has a few built-in plugins, but you can also create your own ones. This guide will show you how to develop both Javascript and Python plugins.
```{warning}
Pyscript plugins are currently under active development. The API is likely to go through breaking changes between releases.
```
You can add your custom plugins to the `<py-config>` tag on your page. For example:
```html
<py-config>
plugins = ["http://example.com/hello-world.py"]
</py-config>
```
Currently, only single files with the extension `.py` and `.js` files can be used as plugins.
## Python plugins
Python plugins allow you to write plugins in pure Python. We first need to import `Plugin` from `pyscript` and create a new instance of it.
```python
from pyscript import Plugin
plugin = Plugin("PyHelloWorld")
```
We can now create a new class containing our plugin code to add the text "Hello World" to the page.
```python
from pyscript import Plugin, js
plugin = Plugin("PyHelloWorld")
class PyHelloWorld:
def __init__(self, element):
self.element = element
def connect(self):
self.element.innerHTML = "<h1>Hello World!</h1>"
```
Let's now create our `index.html` page and add the plugin.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Python Plugin</title>
<link rel="stylesheet" href="https://pyscript.net/unstable/pyscript.css" />
<script defer src="https://pyscript.net/unstable/pyscript.js"></script>
</head>
<body>
<py-config>
plugins = ["./hello-world.py"]
</py-config>
</body>
</html>
```
Now we need to start a live server to serve our page. You can use Python's `http.server` module for this.
```bash
python -m http.server
```
Now you can open your browser and go to `http://localhost:8000` to see the page. You might be surprised that the text "Hello World" is not on the page. This is because we need to do a few more things to make our plugin work.
First, we must create a custom element that our plugin will use. We can use a decorator in our `PyHelloWorld` class.
```python
from pyscript import Plugin, js
plugin = Plugin("PyHelloWorld")
@plugin.register_custom_element("py-hello-world")
class PyHelloWorld:
def __init__(self, element):
self.element = element
def connect(self):
self.element.innerHTML = "<div id='hello'>Hello World!</div>"
```
Now that we have registered our custom element, we can use the custom tag `<py-hello-world>` to add our plugin to the page.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Python Plugin</title>
<link rel="stylesheet" href="https://pyscript.net/unstable/pyscript.css" />
<script defer src="https://pyscript.net/unstable/pyscript.js"></script>
</head>
<body>
<py-config>
plugins = ["./hello-world.py"]
</py-config>
<py-hello-world></py-hello-world>
</body>
</html>
```
Now, if you go to `http://localhost:8000` you should see the text "Hello World" on the page.
Writing plugins in Python is an excellent way if you want to use PyScript's API's. However, if you want to write plugins in Javascript, you can do that too.
## Javascript plugins
Javascript plugins need to have a specific structure to be loaded by PyScript. The plugin export a default class with the following method, which may implement any, all, or none of the [Plugin lifecycle methods](https://github.com/pyscript/pyscript/blob/main/pyscriptjs/src/plugin.ts#L9-L65). These method will be called at the corresponding points in lifecycle of PyScript as it loads, configures itself and its Python interpreter, and executes `<py-script>` and `<py-repl>` tags.
```{note}
You need to specify the file extension `.js` when adding your custom plugin to the `<py-config>` tag.
```
### Creating a Hello World plugin
Let's create a simple plugin that will add the text "Hello World" to the page. We will create a `hello-world.js` file and write the plugin class.
```js
export default class HelloWorldPlugin {
afterStartup(runtime) {
// Code goes here
}
}
```
Now we need to add the code that will add the text to the page.
```js
export default class HelloWorldPlugin {
afterStartup(runtime) {
const elem = document.createElement("h1");
elem.innerText = "Hello World";
document.body.appendChild(elem);
}
}
```
Finally, we need to add the plugin to our page's `<py-config>` tag.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Javascript Plugin</title>
<link rel="stylesheet" href="https://pyscript.net/unstable/pyscript.css" />
<script defer src="https://pyscript.net/unstable/pyscript.js"></script>
</head>
<body>
<py-config>
plugins = ["./hello-world.js"]
</py-config>
</body>
</html>
```
Now we need to start a live server to serve our page. You can use Python's `http.server` module for this.
```bash
python -m http.server
```
Now you can open your browser and go to `http://localhost:8000` to see the page. You should see the text "Hello World" on the page.
```{note}
Because we are using a local file, you must start a live server. Otherwise, Pyscript will not be able to fetch the file.
```
### Expanding the Hello World plugin
As you can see, we could build all our plugin logic inside the `afterStartup` method. You may also want to create a custom html element for your plugin. Let's see how we can do that.
First, we need to create a custom html element. Let's start by creating our `PyHelloWorld` class that extends the `HTMLElement` class.
```js
class PyHelloWorld extends HTMLElement {
constructor() {
super();
}
connectedCallback() {
this.innerHTML = `<h1>Hello, world!</h1>`;
this.mount_name = this.id;
}
}
```
We can now register our custom element in the `afterStartup` method of our `HelloWorldPlugin` class. We will also add the custom tag `py-hello-world` to the page.
```js
export default class HelloWorldPlugin {
afterStartup(runtime) {
// Create a custom element called <py-hello-world>
customElements.define("py-hello-world", PyHelloWorld);
// Add the custom element to the page so we can see it
const elem = document.createElement('py-hello-world');
document.body.append(elem);
}
}
```
Now we can open our page and see the custom element on the page.
By now, you should have a good idea for creating a custom plugin. Also, how powerful it can be to create custom elements that other users could use in their PyScript pages.

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# Event handlers in PyScript
PyScript offer two ways to subscribe to Javascript event handlers:
## Subscribe to event with `py-*` attributes
The value of the attribute contains python code which will be executed when the event is fired. A very common pattern is to call a function which does further work, for example:
```html
<button id="noParam" py-click="say_hello_no_param()">
No Event - No Params py-click
</button>
<button id="withParam" py-click="say_hello_with_param('World')">
No Event - With Params py-click
</button>
```
```python
<py-script>
def say_hello_no_param():
print("Hello!")
def say_hello_with_param(name):
print("Hello " + name + "!")
</py-script>
```
Note that py-\* attributes need a _function call_
Supported py-\* attributes can be seen in the [PyScript API reference](<[../api-reference.md](https://github.com/pyscript/pyscript/blob/66b57bf812dcc472ed6ffee075ace5ced89bbc7c/pyscriptjs/src/components/pyscript.ts#L119-L260)>).
## Subscribe to event with `addEventListener`
You can also subscribe to an event using the `addEventListener` method of the DOM element. This is useful if you want to pass event object to the event handler.
```html
<button id="two">add_event_listener passes event</button>
```
```python
<py-script>
from js import console, document
from pyodide.ffi.wrappers import add_event_listener
def hello_args(*args):
console.log(f"Hi! I got some args! {args}")
add_event_listener(document.getElementById("two"), "click", hello_args)
</py-script>
```
or using the `addEventListener` method of the DOM element:
```html
<button id="three">add_event_listener passes event</button>
```
```python
<py-script>
from js import console, document
from pyodide.ffi import create_proxy
def hello_args(*args):
console.log(f"Hi! I got some args! {args}")
document.getElementById("three").addEventListener("click", create_proxy(hello_args))
</py-script>
```
or using the PyScript Element class:
```html
<button id="four">add_event_listener passes event</button>
```
```python
<py-script>
from js import console
from pyodide.ffi import create_proxy
def hello_args(*args):
console.log(f"Hi! I got some args! {args}")
Element("four").element.addEventListener("click", create_proxy(hello_args))
</py-script>
```
## JavaScript to PyScript and From PyScript to JavaScript
If you're wondering about how to pass objects from JavaScript to PyScript and/or the other way around head over to the [Passing Objects](passing-objects.md) page.
### Exporting all Global Python Objects
We can use our new `createObject` function to "export" the entire Python global object dictionary as a JavaScript object:
```python
<py-script>
from js import createObject
from pyodide.ffi import create_proxy
createObject(create_proxy(globals()), "pyodideGlobals")
</py-script>
```
This will make all Python global variables available in JavaScript with `pyodideGlobals.get('my_variable_name')`.
(Since PyScript tags evaluate _after_ all JavaScript on the page, we can't just dump a `console.log(...)` into a `<script>` tag, since that tag will evaluate before any PyScript has a chance to. We need to delay accessing the Python variable in JavaScript until after the Python code has a chance to run. The following example uses a button with `id="do-math"` to achieve this, but any method would be valid.)
```python
<py-script>
# create some Python objects:
symbols = {'pi': 3.1415926, 'e': 2.7182818}
def rough_exponential(x):
return symbols['e']**x
class Circle():
def __init__(self, radius):
self.radius = radius
@property
def area:
return symbols['pi'] * self.radius**2
</py-script>
```
```html
<input type="button" value="Log Python Variables" id="do-mmath" />
<script>
document.getElementById("do-math").addEventListener("click", () => {
const exp = pyodideGlobals.get("rough_exponential");
console.log("e squared is about ${exp(2)}");
const c = pyodideGlobals.get("Circle")(4);
console.log("The area of c is ${c.area}");
});
</script>
```
### Exporting Individual Python Objects
We can also export individual Python objects to the JavaScript global scope if we wish.
(As above, the following example uses a button to delay the execution of the `<script>` until after the PyScript has run.)
```python
<py-script>
import js
from pyodide.ffi import create_proxy
# Create 3 python objects
language = "Python 3"
animals = ['dog', 'cat', 'bird']
multiply3 = lambda a, b, c: a * b * c
# js object can be named the same as Python objects...
js.createObject(language, "language")
# ...but don't have to be
js.createObject(create_proxy(animals), "animals_from_py")
# functions are objects too, in both Python and Javascript
js.createObject(create_proxy(multiply3), "multiply")
</py-script>
```
```html
<input type="button" value="Log Python Variables" id="log-python-variables" />
<script>
document
.getElementById("log-python-variables")
.addEventListener("click", () => {
console.log(`Nice job using ${language}`);
for (const animal of animals_from_py) {
console.log(`Do you like ${animal}s? `);
}
console.log(`2 times 3 times 4 is ${multiply(2, 3, 4)}`);
});
</script>
```

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# How to make HTTP requests using `PyScript`, in pure Python
[Pyodide](https://pyodide.org), the interpreter that underlies `PyScript`, does not have the `requests` module
(or other similar modules) available by default, which are traditionally used to make HTTP requests in Python.
However, it is possible to make HTTP requests in Pyodide using the modern `JavaScript` `fetch` API
([docs](https://developer.mozilla.org/en-US/docs/Web/API/fetch)). This example shows how to make common HTTP request
(GET, POST, PUT, DELETE) to an API, using only Python code! We will use asynchronous functions with
async/await syntax, as concurrent code is preferred for HTTP requests.
The purpose of this guide is not to teach the basics of HTTP requests, but to show how to make them
from `PyScript` using Python, since currently, the common tools such as `requests` and `httpx` are not available.
## Fetch
The `fetch` API is a modern way to make HTTP requests. It is available in all modern browsers, and in Pyodide.
Although there are two ways to use `fetch`:
1) using `JavaScript` from `PyScript`
2) using Pyodide's Python wrapper,
`pyodide.http.pyfetch`
This example will only show how to use the Python wrapper. Still, the
[fetch documentation](https://developer.mozilla.org/en-US/docs/Web/API/fetch#parameters) is a useful reference, as its
parameters can be called from Python using the `pyfetch` wrapper.
## Pyodide.http, pyfetch, and FetchResponse
The [pyodide.http module](https://pyodide.org/en/stable/usage/api/python-api/http.html#module-pyodide.http) is a Python API
for dealing with HTTP requests. It provides the `pyfetch` function as a wrapper for the `fetch` API,
which returns a `FetchResponse` object whenever a request is made. Extra keyword arguments can be passed to `pyfetch`
which will be passed to the `fetch` API.
The returned object `FetchResponse` has familiar methods and properties
for dealing with the response, such as `json()` or `status`. See the
[FetchResponse documentation](https://pyodide.org/en/stable/usage/api/python-api/http.html#pyodide.http.FetchResponse)
for more information.
## Example
We will make async HTTP requests to [JSONPlaceholder](https://jsonplaceholder.typicode.com/)'s fake API using `pyfetch`.
First we write a helper function in pure Python that makes a request and returns the response. This function
makes it easier to make specific types of requests with the most common parameters.
## Python convenience function
```python
from pyodide.http import pyfetch, FetchResponse
from typing import Optional, Any
async def request(url: str, method: str = "GET", body: Optional[str] = None,
headers: Optional[dict[str, str]] = None, **fetch_kwargs: Any) -> FetchResponse:
"""
Async request function. Pass in Method and make sure to await!
Parameters:
url: str = URL to make request to
method: str = {"GET", "POST", "PUT", "DELETE"} from `JavaScript` global fetch())
body: str = body as json string. Example, body=json.dumps(my_dict)
headers: dict[str, str] = header as dict, will be converted to string...
Example, headers=json.dumps({"Content-Type": "application/json"})
fetch_kwargs: Any = any other keyword arguments to pass to `pyfetch` (will be passed to `fetch`)
Return:
response: pyodide.http.FetchResponse = use with .status or await.json(), etc.
"""
kwargs = {"method": method, "mode": "cors"} # CORS: https://en.wikipedia.org/wiki/Cross-origin_resource_sharing
if body and method not in ["GET", "HEAD"]:
kwargs["body"] = body
if headers:
kwargs["headers"] = headers
kwargs.update(fetch_kwargs)
response = await pyfetch(url, **kwargs)
return response
```
This function is a wrapper for `pyfetch`, which is a wrapper for the `fetch` API. It is a coroutine function,
so it must be awaited. It also has type hints, which are not required, but are useful for IDEs and other tools.
The basic idea is that the `PyScript` will import and call this function, then await the response. Therefore,
the script containing this function must be importable by `PyScript`.
For this example, we will name the file containing the Python code `request.py` and place it in the same directory as the file
containing the html code, which is described below.
## `PyScript` HTML code
In this How-to, the HTML code is split into separate code blocks to enable context highlighting (coloring of the Python
code inside the html code block), but in reality it is all in the same file. The first part is a bare bones `PyScript`
html page, using the [community examples](https://github.com/pyscript/pyscript-collective/) set-up. The second part is
the actual Python code for HTTP requests, which is wrapped in `<py-script>` tags, while the third block has the
concluding html code.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>GET, POST, PUT, DELETE example</title>
<link rel="icon" type="image/png" href="favicon.png" />
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
<py-config>
[[fetch]]
files = ["/request.py"]
</py-config>
</head>
<body><p>
Hello world request example! <br>
Here is the output of your request:
</p>
<py-script>
import asyncio
import json
from request import request # import our request function.
async def main():
baseurl = "https://jsonplaceholder.typicode.com"
# GET
headers = {"Content-type": "application/json"}
response = await request(f"{baseurl}/posts/2", method="GET", headers=headers)
print(f"GET request=> status:{response.status}, json:{await response.json()}")
# POST
body = json.dumps({"title": "test_title", "body": "test body", "userId": 1})
new_post = await request(f"{baseurl}/posts", body=body, method="POST", headers=headers)
print(f"POST request=> status:{new_post.status}, json:{await new_post.json()}")
# PUT
body = json.dumps({"id": 1, "title": "test_title", "body": "test body", "userId": 2})
new_post = await request(f"{baseurl}/posts/1", body=body, method="PUT", headers=headers)
print(f"PUT request=> status:{new_post.status}, json:{await new_post.json()}")
# DELETE
new_post = await request(f"{baseurl}/posts/1", method="DELETE", headers=headers)
print(f"DELETE request=> status:{new_post.status}, json:{await new_post.json()}")
asyncio.ensure_future(main())
</py-script>
<div>
<p>
You can also use other methods. See fetch documentation: <br>
https://developer.mozilla.org/en-US/docs/Web/API/fetch#parameters
</p>
</div>
<div>
<p>
See pyodide documentation for what to do with a FetchResponse object: <br>
https://pyodide.org/en/stable/usage/api/python-api.html#pyodide.http.FetchResponse
</p>
</div>
</body>
</html>
```
## Explanation
### `py-config` tag for importing our Python code
The very first thing to notice is the `py-config` tag. This tag is used to import Python files into the `PyScript`.
In this case, we are importing the `request.py` file, which contains the `request` function we wrote above.
### `py-script` tag for making async HTTP requests
Next, the `py-script` tag contains the actual Python code where we import `asyncio` and `json`,
which are required or helpful for the `request` function.
The `# GET`, `# POST`, `# PUT`, `# DELETE` blocks show examples of how to use the `request` function to make basic
HTTP requests. The `await` keyword is required not only for the `request` function, but also for certain methods of the
`FetchResponse` object, such as `json()`, meaning that the code is asynchronous and slower requests will not block the
faster ones.
### HTTP Requests
HTTP requests are a very common way to communicate with a server. They are used for everything from getting data from
a database, to sending emails, to authorization, and more. Due to safety concerns, files loaded from the
local file system are not accessible by `PyScript`. Therefore, the proper way to load data into `PyScript` is also
through HTTP requests.
In our example, we show how to pass in a request `body`, `headers`, and specify the request `method`, in order to make
`GET`, `POST`, `PUT`, and `DELETE` requests, although methods such as `PATCH` are also available. Additional
parameters for the `fetch` API are also available, which can be specified as keyword arguments passed to our helper
function or to `pyfetch`. See the
[fetch documentation](https://developer.mozilla.org/en-US/docs/Web/API/fetch#parameters) for more information.
HTTP requests are defined by standards-setting bodies in [RFC 1945](https://www.rfc-editor.org/info/rfc1945) and
[RFC 9110](https://www.rfc-editor.org/info/rfc9110).
## Conclusion
This tutorial demonstrates how to make HTTP requests using `pyfetch` and the `FetchResponse` objects. Importing Python
code/files into the `PyScript` using the `py-config` tag is also covered.
Although a simple example, the principals here can be used to create complex web applications inside of `PyScript`,
or load data into `PyScript` for use by an application, all served as a static HTML page, which is pretty amazing!
## API Quick Reference
## pyodide.http.pyfetch
### pyfetch Usage
```python
await pyodide.http.pyfetch(url: str, **kwargs: Any) -> FetchResponse
```
Use `pyfetch` to make HTTP requests in `PyScript`. This is a wrapper around the `fetch` API. Returns a `FetchResponse`.
- [`pyfetch` Docs.](https://pyodide.org/en/stable/usage/api/python-api/http.html#pyodide.http.pyfetch)
## pyodide.http.FetchResponse
### FetchResponse Usage
```python
response: pyodide.http.FetchResponse = await <pyfetch call>
status = response.status
json = await response.json()
```
Class for handling HTTP responses. This is a wrapper around the `JavaScript` fetch `Response`. Contains common (async)
methods and properties for handling HTTP responses, such as `json()`, `url`, `status`, `headers`, etc.
- [`FetchResponse` Docs.](https://pyodide.org/en/stable/usage/api/python-api/http.html#pyodide.http.FetchResponse)

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# Guides
Welcome to the how-to documentation section for PyScript. If you've already
gained some experience with PyScript before and just need practical guides
to get your ideas realized, you can learn step by step how to use PyScript here.
```{note}
Please head over to the [tutorials](../tutorials/index.md) section if you're only getting started.
```
```{toctree}
---
maxdepth: 2
glob:
caption: 'Contents:'
---
passing-objects
http-requests
asyncio
custom-plugins
event-handlers
```

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# How to Pass Objects from PyScript to Javascript (and Vice Versa)
[Pyodide](https://pyodide.org), the interpreter that underlies PyScript, does a lot of work under the hood to translate objects between Python and JavaScript. This allows code in one language to access objects defined in the other.
This guide discusses how to pass objects between JavaScript and Python within PyScript. For more details on how Pyodide handles translating and proxying objects between the two languages, see the [Pyodide Type Translations Page](https://pyodide.org/en/stable/usage/type-conversions.html).
For our purposes, an 'object' is anything that can be bound to a variable (a number, string, object, [function](https://developer.mozilla.org/en-US/docs/Glossary/First-class_Function), etc).
## JavaScript to PyScript
We can use the syntax `from js import ...` to import JavaScript objects directly into PyScript. Simple JavaScript objects are converted to equivalent Python types; these are called [implicit conversions](https://pyodide.org/en/stable/usage/type-conversions.html#implicit-conversions). More complicated objects are wrapped in [JSProxy](https://pyodide.org/en/stable/usage/type-conversions.html) objects to make them behave like Python objects.
`import js` and `from js import ...` [in Pyodide](https://pyodide.org/en/stable/usage/type-conversions.html#type-translations-using-js-obj-from-py) get objects from the [JavaScript globalThis scope](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis), so keep the[ rules of JavaScript variable scoping](https://www.freecodecamp.org/news/var-let-and-const-whats-the-difference/) in mind.
```html
<script>
name = "Guido" //A JS variable
// Define a JS Function
function addTwoNumbers(x, y){
return x + y;
}
</script>
```
```python
<py-script>
# Import and use JS function and variable into Python
from js import name, addTwoNumbers
print(f"Hello {name}")
print("Adding 1 and 2 in Javascript: " + str(addTwoNumbers(1, 2)))
</py-script>
```
## PyScript to JavaScript
### Using Pyodide's globals access
The [PyScript JavaScript module](../reference/modules/pyscript.md) exposes its underlying Pyodide interpreter as `PyScript.interpreter`, and maintains a reference to the [globals()](https://docs.python.org/3/library/functions.html#globals) dictionary of the Python namespace. Thus, any global variables in python are accessible in JavaScript at `PyScript.interpreter.globals.get('my_variable_name')`
```html
<body>
<py-script>x = 42</py-script>
<button onclick="showX()">Click Me to Get 'x' from Python</button>
<script>
function showX(){
console.log(`In Python right now, x = ${pyscript.interpreter.globals.get('x')}`)
}
</script>
</body>
```
Since [everything is an object](https://docs.python.org/3/reference/datamodel.html) in Python, this applies not only to user created variables, but also to classes, functions, built-ins, etc. If we want, we can even apply Python functions to JavaScript data and variables:
```html
<body>
<!-- Click this button to log 'Apple', 'Banana', 'Candy', 'Donut' by sorting in Python-->
<button onclick="sortInPython(['Candy', 'Donut', 'Apple', 'Banana'])">Sort In Python And Log</button>
<script>
function sortInPython(data){
js_sorted = pyscript.interpreter.globals.get('sorted') //grab python's 'sorted' function
const sorted_data = js_sorted(data) //apply the function to the 'data' argument
for (const item of sorted_data){
console.log(item)
}
}
</script>
</body>
```
### Using JavaScript's eval()
There may be some situations where it isn't possible or ideal to use `PyScript.interpreter.globals.get()` to retrieve a variable from the Pyodide global dictionary. For example, some JavaScript frameworks may take a function/Callable as an html attribute in a context where code execution isn't allowed (i.e. `get()` fails). In these cases, you can create JavaScript proxies of Python objects more or less "manually" using [JavaScript's eval() function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval), which executes a string as code much like [Python's eval()](https://docs.python.org/3/library/functions.html#eval).
First, we create a JS function `createObject` which takes an object and a string, then uses `eval()` to create a variable named after the string and bind it to that object. By calling this function from PyScript (where we have access to the Pyodide global namespace), we can bind JavaScript variables to Python objects without having direct access to that global namespace.
Include the following script tag anywhere in your html document:
```html
<script>
function createObject(object, variableName){
//Bind a variable whose name is the string variableName
// to the object called 'object'
let execString = variableName + " = object"
console.log("Running '" + execString + "'");
eval(execString)
}
</script>
```
This function takes a Python Object and creates a variable pointing to it in the JavaScript global scope.
### Exporting all Global Python Objects
We can use our new `createObject` function to "export" the entire Python global object dictionary as a JavaScript object:
```python
<py-script>
from js import createObject
from pyodide.ffi import create_proxy
createObject(create_proxy(globals()), "pyodideGlobals")
</py-script>
```
This will make all Python global variables available in JavaScript with `pyodideGlobals.get('my_variable_name')`.
(Since PyScript tags evaluate _after_ all JavaScript on the page, we can't just dump a `console.log(...)` into a `<script>` tag, since that tag will evaluate before any PyScript has a chance to. We need to delay accessing the Python variable in JavaScript until after the Python code has a chance to run. The following example uses a button with `id="do-math"` to achieve this, but any method would be valid.)
```python
<py-script>
# create some Python objects:
symbols = {'pi': 3.1415926, 'e': 2.7182818}
def rough_exponential(x):
return symbols['e']**x
class Circle():
def __init__(self, radius):
self.radius = radius
@property
def area(self):
return symbols['pi'] * self.radius**2
</py-script>
```
```html
<input type="button" value="Log Python Variables" id="do-math">
<script>
document.getElementById("do-math").addEventListener("click", () => {
const exp = pyodideGlobals.get('rough_exponential');
console.log(`e squared is about ${exp(2)}`);
const c = pyodideGlobals.get('Circle')(4);
console.log(`The area of c is ${c.area}`);
});
</script>
```
#### Full example
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Exporting all Global Python Objects</title>
<link rel="icon" type="image/png" href="favicon.png" />
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<input type="button" value="Log Python Variables" id="do-math">
<py-script>
from js import createObject
from pyodide.ffi import create_proxy
createObject(create_proxy(globals()), "pyodideGlobals")
# create some Python objects:
symbols = {'pi': 3.1415926, 'e': 2.7182818}
def rough_exponential(x):
return symbols['e']**x
class Circle():
def __init__(self, radius):
self.radius = radius
@property
def area(self):
return symbols['pi'] * self.radius**2
</py-script>
<script>
function createObject(object, variableName){
//Bind a variable whose name is the string variableName
// to the object called 'object'
let execString = variableName + " = object"
console.log("Running '" + execString + "'");
eval(execString)
}
document.getElementById("do-math").addEventListener("click", () => {
const exp = pyodideGlobals.get('rough_exponential');
console.log(`e squared is about ${exp(2)}`);
const c = pyodideGlobals.get('Circle')(4);
console.log(`The area of c is ${c.area}`);
});
</script>
</body>
</html>
```
### Exporting Individual Python Objects
We can also export individual Python objects to the JavaScript global scope if we wish.
(As above, the following example uses a button to delay the execution of the `<script>` until after the PyScript has run.)
```python
<py-script>
import js
from pyodide.ffi import create_proxy
# Create 3 python objects
language = "Python 3"
animals = ['dog', 'cat', 'bird']
multiply3 = lambda a, b, c: a * b * c
# js object can be named the same as Python objects...
js.createObject(language, "language")
# ...but don't have to be
js.createObject(create_proxy(animals), "animals_from_py")
# functions are objects too, in both Python and Javascript
js.createObject(create_proxy(multiply3), "multiply")
</py-script>
```
```html
<input type="button" value="Log Python Variables" id="log-python-variables">
<script>
document.getElementById("log-python-variables").addEventListener("click", () => {
console.log(`Nice job using ${language}`);
for (const animal of animals_from_py){
console.log(`Do you like ${animal}s? `);
}
console.log(`2 times 3 times 4 is ${multiply(2,3,4)}`);
});
</script>
```
#### Full example
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Exporting Individual Python Objects</title>
<link rel="icon" type="image/png" href="favicon.png" />
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
import js
from pyodide.ffi import create_proxy
# Create 3 python objects
language = "Python 3"
animals = ['dog', 'cat', 'bird']
multiply3 = lambda a, b, c: a * b * c
# js object can be named the same as Python objects...
js.createObject(language, "language")
# ...but don't have to be
js.createObject(create_proxy(animals), "animals_from_py")
# functions are objects too, in both Python and Javascript
js.createObject(create_proxy(multiply3), "multiply")
</py-script>
<input type="button" value="Log Python Variables" id="log-python-variables">
<script>
function createObject(object, variableName){
//Bind a variable whose name is the string variableName
// to the object called 'object'
let execString = variableName + " = object"
console.log("Running '" + execString + "'");
eval(execString)
}
document.getElementById("log-python-variables").addEventListener("click", () => {
console.log(`Nice job using ${language}`);
for (const animal of animals_from_py){
console.log(`Do you like ${animal}s? `);
}
console.log(`2 times 3 times 4 is ${multiply(2,3,4)}`);
});
</script>
</body>
</html>
```

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# PyScript
Welcome to the PyScript documentation!
PyScript is a programming platform that allows you to create web applications that run in the browser, using Python.
That creates some really interesting benefits:
* Using Python directly in the browser allows to create applications with an easier and more user friendly language
* Scalability: since applications run directly in the browser and not on a server somewhere, servers don't need to
scale as much if the number of users of an application grows exponentially
* Shareability: applications can be shared as easily as sharing an URL. Can't get easier than that ;)
* Multi-Platform support: since the browser is the underlying system where PyScript applications run, applications
can run anywhere a modern browser is installed, on windows, linux, mac, mobile, or even a Tesla! :)
* Security: since PyScript runs core in the Browser (via Web Assembly) in a sandbox fashion and the browsers offers
a very strict level of security, code never have access files or part of the underlying system without user permission,
making it a great option in terms of security.
* User Friendly APIs: web APIs are very vast and, sometimes, complicated. PyScript offers smaller and more user friendly
APIs for the most common use cases while also providing an option to access the full Web APIs as well.
We hope you'll enjoy the project and create so many incredible things with it! To learn more, consult our documentation.
::::{grid} 2
:gutter: 3
:::{grid-item-card} [Tutorials](tutorials/index.md)
Just getting started with PyScript?
Check out our [getting started guide](tutorials/getting-started.md)!
:::
:::{grid-item-card} [Guides](guides/index.md)
You already know the basics and want to learn specifics!
[Passing Objects between JavaScript and Python](guides/passing-objects.md)
[Making async HTTP requests in pure Python](guides/http-requests.md)
[Async/Await and Asyncio](guides/asyncio.md)
:::
:::{grid-item-card} [Concepts](concepts/index.md)
[What is PyScript?](concepts/what-is-pyscript.md)
:::
:::{grid-item-card} [Reference](reference/index.md)
[Frequently asked questions](reference/faq.md)
[The PyScript JS Module](reference/modules/pyscript.md)
:::{toctree}
:maxdepth: 1
:::
::::
```{toctree}
---
maxdepth: 1
hidden:
---
tutorials/index
guides/index
concepts/index
reference/index
changelog
```

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@@ -0,0 +1,35 @@
@ECHO OFF
pushd %~dp0
REM Command file for Sphinx documentation
if "%SPHINXBUILD%" == "" (
set SPHINXBUILD=sphinx-build
)
set SOURCEDIR=.
set BUILDDIR=_build
%SPHINXBUILD% >NUL 2>NUL
if errorlevel 9009 (
echo.
echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
echo.installed, then set the SPHINXBUILD environment variable to point
echo.to the full path of the 'sphinx-build' executable. Alternatively you
echo.may add the Sphinx directory to PATH.
echo.
echo.If you don't have Sphinx installed, grab it from
echo.https://www.sphinx-doc.org/
exit /b 1
)
if "%1" == "" goto help
%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
goto end
:help
%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
:end
popd

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@@ -0,0 +1,8 @@
# `__version__`
`PyScript.__version__` is a `str` representing the current version of PyScript in a human-readable form. For a structured version more suitable to comparisons, and for details of what each part of the version number represents, see [`version_info`](version_info.md)
```shell
>>> pyscript.__version__
'2023.02.1.dev'
```

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# List of PyScript Attributes to Events:
PyScript provides a convenient syntax for mapping JavaScript events to PyScript events, making it easy to connect events to HTML tags.
For example, you can use the following code to connect the click event to a button:
```
<button id="py-click" py-click="foo()">Click me</button>
```
Here is a list of all the available event mappings:
| PyScript Event Name | DOM Event Name |
|-------------------|----------------|
| py-afterprint | afterprint |
| py-beforeprint | beforeprint |
| py-beforeunload | beforeunload |
| py-error | error |
| py-hashchange | hashchange |
| py-load | load |
| py-message | message |
| py-offline | offline |
| py-online | online |
| py-pagehide | pagehide |
| py-pageshow | pageshow |
| py-popstate | popstate |
| py-resize | resize |
| py-storage | storage |
| py-unload | unload |
| py-blur | blur |
| py-change | change |
| py-contextmenu | contextmenu |
| py-focus | focus |
| py-input | input |
| py-invalid | invalid |
| py-reset | reset |
| py-search | search |
| py-select | select |
| py-submit | submit |
| py-keydown | keydown |
| py-keypress | keypress |
| py-keyup | keyup |
| py-click | click |
| py-dblclick | dblclick |
| py-mousedown | mousedown |
| py-mousemove | mousemove |
| py-mouseout | mouseout |
| py-mouseover | mouseover |
| py-mouseup | mouseup |
| py-mousewheel | mousewheel |
| py-wheel | wheel |
| py-drag | drag |
| py-dragend | dragend |
| py-dragenter | dragenter |
| py-dragleave | dragleave |
| py-dragover | dragover |
| py-dragstart | dragstart |
| py-drop | drop |
| py-scroll | scroll |
| py-copy | copy |
| py-cut | cut |
| py-paste | paste |
| py-abort | abort |
| py-canplay | canplay |
| py-canplaythrough | canplaythrough |
| py-cuechange | cuechange |
| py-durationchange | durationchange |
| py-emptied | emptied |
| py-ended | ended |
| py-loadeddata | loadeddata |
| py-loadedmetadata | loadedmetadata |
| py-loadstart | loadstart |
| py-pause | pause |
| py-play | play |
| py-playing | playing |
| py-progress | progress |
| py-ratechange | ratechange |
| py-seeked | seeked |
| py-seeking | seeking |
| py-stalled | stalled |
| py-suspend | suspend |
| py-timeupdate | timeupdate |
| py-volumechange | volumechange |
| py-waiting | waiting |
| py-toggle | toggle |

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# `display(*values, target=None, append=True)`
## Parameters
`*values` - the objects to be displayed. String objects are output as-written. For non-string objects, the default content to display is the the object's {py:func}`repr`. Objects may implement the following methods to indicate that they should be displayed as a different MIME type. MIME types with a * indicate that the content will be wrapped in the appropriate html tags and attributes before output:
| Method | Inferred MIME type |
|---------------------|------------------------|
| `__repr__` | text/plain |
| `_repr_html_` | text/html |
| `_repr_svg_` | image/svg+xml |
| `_repr_png_` | image/png* |
| `_repr_pdf_` | application/pdf |
| `_repr_jpeg_` | image/jpeg* |
| `_repr_json_` | application/json |
| `_repr_javascript_` | application/javascript*|
| `savefig` | image/png |
| | |
`target` - Element's ID. The default value for `target` is the current `py-script` tag ID, it's possible to specify different IDs for this parameter
`append` - `boolean` if the output is going to be appended or not to the `target`ed element. It creates a `<div>` tag if `True` and a `<py-script>` tag with a random ID if `False`. The default value for `append` is `True`.
### Description
Display is the default function to display objects on the screen. Functions like the Python `print()` or JavaScript `console.log()` are now defaulted to only appear on the terminal.
Display will throw an exception if the target is not clear. E.g. the following code is invalid:
```html
<py-script>
def display_hello():
# this fails because we don't have any implicit target
# from event handlers
display('hello')
</py-script>
<button id="my-button" py-click="display_hello()">Click me</button>
```
Because it's considered unclear if the `hello` string should be displayed underneath the `<py-script>` tag or the `<button>` tag.
To write compliant code, make sure to specify the target using the `target` parameter, for example:
```html
<py-script>
def display_hello():
# this works because we give an explicit target
display('hello', target="helloDiv")
</py-script>
<div id="helloDiv"></div>
<button id="my-button" py-click="display_hello()">Click me</button>
```
#### Using matplotlib with display
`matplotlib` has two ways of plotting things as mentioned [here](https://matplotlib.org/matplotblog/posts/pyplot-vs-object-oriented-interface/)
- In case of using the `pyplot` interface, the graph can be shown using `display(plt)`.
```python
import matplotlib.pyplot as plt
import numpy as np
# Data for plotting
t = np.arange(0.0, 2.0, 0.01)
s = 1 + np.sin(2 * np.pi * t)
plt.plot(t,s)
display(plt)
```
- In case of using the `object oriented` interface, the graph can be shown using `display(fig)` or `display(plt)` both.
```python
import matplotlib.pyplot as plt
import numpy as np
# Data for plotting
t = np.arange(0.0, 2.0, 0.01)
s = 1 + np.sin(2 * np.pi * t)
fig, ax = plt.subplots()
ax.plot(t, s)
display(fig) # but even display(plt) would have worked!
```

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# `Element`
The `Element` API is a helpful way to create and manipulate elements in the DOM. It is a wrapper around the native DOM API, and is designed to be as intuitive as possible.
## Methods and Properties
| Property | Description |
|----------|-----------------------------------------|
| `element` | Returns the element with the given ID. |
| `id` | Returns the element's ID. |
| `value` | Returns the element's value. |
| `innerHtml` | Returns the element's inner HTML. |
| Method | Description |
|----------------------|--------------------------------------------------------------|
| `write` | Writes `value` to element and handles various mime types. `append` defaults to `False`, if set to true, it will create a child element. |
| `clear` | Clears the element's value or content. |
| `select` | Select element from `query` which uses [Document.querySelector()](https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelector). |
| `clone` | Clones the with `new_id` if provided and `to` element if provided. |
| `remove_class` | Removes one or more class name from the element. |
| `add_class` | Adds one or more class name to the element. |
## Element.element
| Parameter | Default | Type |
|-----------|---------|------|
| | | |
The `element` property returns the DOM element with the given ID.
```html
from pyscript import Element
my_div = Element('my-div')
print(my_div.element)
```
## Element.id
| Parameter | Default | Type |
|-----------|---------|------|
| | | |
Return the element's ID.
```html
<div id="my-div"></div>
<py-script>
from pyscript import Element
my_div = Element('my-div')
print(my_div.id) # prints 'my-div'
</py-script>
```
## Element.value
| Parameter | Default | Type |
|-----------|---------|------|
| | | |
Return the element's value.
```html
<input id="my-input" value="hello world"></input>
<py-script>
from pyscript import Element
my_input = Element('my-input')
print(my_input.value) # prints 'hello world'
</py-script>
```
## Element.innerHtml
| Parameter | Default | Type |
|-----------|---------|------|
| | | |
Return the element's inner HTML.
```html
<div id="my-innerHtml">
<b>hello world</b>
</div>
<py-script>
from pyscript import Element
my_innerHtml = Element('my-innerHtml')
print(my_innerHtml.innerHtml) # prints <b> hello world </b>
</py-script>
```
## Element.write
| Parameter | Default | Type |
|-------------|---------|-----------------------------|
| `value` | | `str` or `__mime_type__` |
| `append` | False | `bool` |
Writes `value` to element and handles various mime types. This method also contains a `append` parameter, which defaults to `False`.
Currently, these are the MIME types that are supported when rendering content using this method
| Method | Inferred MIME type |
|---------------------|------------------------|
| `__repr__` | text/plain |
| `_repr_html_` | text/html |
| `_repr_svg_` | image/svg+xml |
| `_repr_png_` | image/png* |
| `_repr_pdf_` | application/pdf |
| `_repr_jpeg_` | image/jpeg* |
| `_repr_json_` | application/json |
| `_repr_javascript_` | application/javascript*|
| `savefig` | image/png |
```html
<div id="foo"></div>
<py-script>
from pyscript import Element
el = Element("foo")
el.write("Hello!")
el.write("World!") # will replace the previous content
</py-script>
```
If we set `append` to `True`, it will create a child element using a `div`.
```html
<div id="foo"></div>
<py-script>
from pyscript import Element
el = Element("foo")
el.write("Hello!", append=True)
# This will create a child div with the id "foo-1"
el.write("World!", append=True)
</py-script>
```
## Element.clear
| Parameter | Default | Type |
|-----------|---------|------|
| | | |
Clears the element's value or content. For example, we can clear the value of an input element.
```html
<input id="foo" value="Hello!"></input>
<py-script>
from pyscript import Element
el = Element("foo")
el.clear() # Removes value from input
</py-script>
```
Or we can clear the content of a div element.
```html
<div id="foo">Hello!</div>
<py-script>
from pyscript import Element
el = Element("foo")
el.clear() # Removes Hello from div content
</py-script>
```
## Element.select
Select element from `query`, it will look into the main Element if `from_content` is `True`. This method is a wrapper of [Document.querySelector()](https://developer.mozilla.org/en-US/docs/Web/API/Document/querySelector).
```html
<div id="foo">
<div id="bar"></div>
</div>
<py-script>
from pyscript import Element
el = Element("foo")
bar = el.select("#bar")
print(bar.id) # prints 'bar'
</py-script>
```
## Element.clone
| Parameter | Default | Type |
|-------------|---------|-----------|
| `new_id` | None | `str` |
| `to` | None | `Element` |
Clones the element to a new element. You can provide `new_id` to set a different id to the cloned element. You can also use a `to` element to append the cloned element to.
```html
<div id="foo">
HI!
</div>
<py-script>
from pyscript import Element
el = Element("foo")
# Creates two divs with the id "foo" and content "HI!"
el.clone()
</py-script>
```
It's always a good idea to pass a new id to the element you are cloning to avoid confusion if you need to reference the element by id again.
```html
<div id="foo">Hello!</div>
<py-script>
from pyscript import Element
el = Element("foo")
# Clones foo and its contents, but uses the id 'bar'
el.clone(new_id="bar")
</py-script>
```
You can also clone an element into another element.
```html
<div id="bond">
Bond
</div>
<div id="james">
James
</div>
<py-script>
from pyscript import Element
bond_div = Element("bond")
james_div = Element("james")
bond_div.clone(new_id="bond-2", to=james_div)
</py-script>
```
## Element.remove_class
| Parameter | Default | Type |
|-------------|---------|-----------------------|
| `classname` | None | `str` or `List[str]` |
Removes one or more class names from the element.
```html
<div id="foo" class="bar baz"></div>
<py-script>
from pyscript import Element
el = Element("foo")
el.remove_class("bar")
</py-script>
```
You can also remove multiple classes by passing a list of strings.
```html
<div id="foo" class="bar baz"></div>
<py-script>
from pyscript import Element
el = Element("foo")
el.remove_class(["bar", "baz"]) # Remove all classes from element
</py-script>
```
## Element.add_class
| Parameter | Default | Type |
|-------------|---------|-----------------------|
| `classname` | None | `str` or `List[str]` |
Adds one or more class names to the element.
```html
<style> .red { color: red; } </style>
<div id="foo">Hi!</div>
<py-script>
from pyscript import Element
el = Element("foo")
el.add_class("red")
</py-script>
```
You can also add multiple classes at once by passing a list of strings.
```html
<style> .red { color: red; } .bold { font-weight: bold; } </style>
<div id="foo">Hi!</div>
<py-script>
from pyscript import Element
el = Element("foo")
el.add_class(["red", "bold"])
</py-script>
```

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# `version_info`
`PyScript.version_info` is a `namedtuple` representing the current version of PyScript. It can be used to compare whether current version precedes or follows a desired version. For a human-readable version of the same info, see [`__version__`](__version__.md)
```sh
>>> pyscript.version_info
version_info(year=2023, month=2, minor=1, releaselevel='dev')
```
## Version Fields
| **parameter** | **CalVer equivalent field** | **example value** | **description** |
|-----------------|-----------------------------|---------------|------------------------------------------------------------------------------------------------------------------------------------------|
| `year` | Full year (YYYY) | 2023 | The year of the release; when printed or represented as a string, always written with 4 digits |
| `month` | Short Month (MM) | 2 | The month of the release; when printed or represented as a string, written with 1 or 2 digits as necessary |
| `minor` | | 1 | The incremental number of the release for this month; when printed or represented as a string, written with 1 or two digits as necessary |
| `releaselevel` | | 'dev' | A string representing the qualifications of this build |

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# `@when`
`@when(event_type:str = None, selector:str = None)`
The `@when` decorator attaches the decorated function or Callable as an event handler for selected objects on the page. That is, when the named event is emitted by the selected DOM elements, the decorated Python function will be called.
If the decorated function takes a single (non-self) argument, it will be passed the [Event object](https://developer.mozilla.org/en-US/docs/Web/API/Event) corresponding to the triggered event. If the function takes no (non-self) argument, it will be called with no arguments.
## Parameters
`event_type` - A string representing the event type to match against. This can be any of the [https://developer.mozilla.org/en-US/docs/Web/Events#event_listing](https://developer.mozilla.org/en-US/docs/Web/Events) that HTML elements may emit, as appropriate to their element type.
`selector` = A string containing one or more [CSS selectors](https://developer.mozilla.org/en-US/docs/Learn/CSS/Building_blocks/Selectors). The selected DOM elements will have the decorated function attacehed as an event handler.
## Examples:
The following example prints "Hello, world!" whenever the button is clicked. It demonstrates using the `@when` decorator on a Callable which takes no arguments:
```html
<button id="my_btn">Click Me to Say Hi</button>
<py-script>
from pyscript import when
@when("click", selector="#my_btn")
def say_hello():
print(f"Hello, world!")
</py-script>
```
The following example includes three buttons - when any of the buttons is clicked, that button turns green, and the remaining two buttons turn red. This demonstrates using the `@when` decorator on a Callable which takes one argument, which is then passed the Event object from the associated event. When combined with the ability to look at other elements in on the page, this is quite a powerful feature.
```html
<div id="container">
<button>First</button>
<button>Second</button>
<button>Third</button>
</div>
<py-script>
from pyscript import when
import js
@when("click", selector="#container button")
def highlight(evt):
#Set the clicked button's background to green
evt.target.style.backgroundColor = 'green'
#Set the background of all buttons to red
other_buttons = (button for button in js.document.querySelectorAll('button') if button != evt.target)
for button in other_buttons:
button.style.backgroundColor = 'red'
</py-script>
```

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# &lt;py-config&gt;
Use the `<py-config>` tag to set and configure general metadata along with declaring dependencies for your PyScript application. The configuration has to be set in either [TOML](https://toml.io/)(default) or [JSON](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/JSON) format.
If you are unfamiliar with TOML, consider [reading about it](https://learnxinyminutes.com/docs/toml/) or if you are unfamiliar with JSON, consider reading [freecodecamp's JSON for beginners](https://www.freecodecamp.org/news/what-is-json-a-json-file-example/) guide for more information.
The `<py-config>` element should be placed within the `<body>` element.
## Attributes
| attribute | type | default | description |
|-----------|--------|---------|----------------------------------------------------------------------------------------------------------|
| **type** | string | "toml" | Syntax type of the `<py-config>`. Value can be `json` or `toml`. Default: "toml" if type is unspecified. |
| **src** | url | | Source url to an external configuration file. |
## Examples
### Defining an inline config
- `<py-config>` using TOML (default)
```{note}
Reminder: when using TOML, any Arrays of Tables defined with double-brackets (like `[[interpreters]]` and `[[fetch]]` must come after individual keys (like `plugins = ...` and `packages=...`)
```
```html
<py-config>
[splashscreen]
autoclose = true
[[interpreters]]
src = "https://cdn.jsdelivr.net/pyodide/v0.21.2/full/pyodide.js"
name = "pyodide-0.21.2"
lang = "python"
</py-config>
```
- `<py-config>` using JSON via `type` attribute
```html
<py-config type="json">
{
"splashscreen": {
"autoclose": true
},
"interpreters": [{
"src": "https://cdn.jsdelivr.net/pyodide/v0.21.2/full/pyodide.js",
"name": "pyodide-0.21.2",
"lang": "python"
}]
}
</py-config>
```
### Defining a file based config
- Use of the `src` attribute
```html
<py-config src="./custom.toml"></py-config>
```
where `custom.toml` contains
```toml
[splashscreen]
autoclose = true
[[interpreters]]
src = "https://cdn.jsdelivr.net/pyodide/v0.21.2/full/pyodide.js"
name = "pyodide-0.21.2"
lang = "python"
```
- JSON using the `type` and `src` attribute
```html
<py-config type="json" src="./custom.json"></py-config>
```
where `custom.json` contains
```json
{
"splashscreen": {
"autoclose": true,
},
"interpreters": [{
"src": "https://cdn.jsdelivr.net/pyodide/v0.21.2/full/pyodide.js",
"name": "pyodide-0.21.2",
"lang": "python"
}]
}
```
### Mixing inline and file based configs
One can also use both i.e pass the config from `src` attribute as well as specify it as `inline`. So the following snippet is also valid:
```html
<py-config src="./custom.toml">
[[fetch]]
files = ["./utils.py"]
</py-config>
```
This can also be done via JSON using the `type` attribute.
```html
<py-config type="json" src="./custom.json">
{
"fetch": [{
"files": ["./utils.py"]
}]
}
</py-config>
```
Note: While the `<py-config>` tag supports both TOML and JSON, one cannot mix the type of config passed from 2 different sources i.e. the case when inline config is in TOML format while config from src is in JSON format is NOT allowed. Similarly for the opposite case.
---
This is helpful in cases where a number of applications share a common configuration (which can be supplied via `src`), but their specific keys need to be customised and overridden.
The keys supplied through `inline` override the values present in config supplied via `src`.
## Dependencies and Packages
One can also declare dependencies so as to get access to many 3rd party OSS packages that are supported by PyScript.
You can also link to `.whl` files directly on disk like in our [toga example](https://github.com/pyscript/pyscript/blob/main/examples/toga/freedom.html).
Package dependencies in the `<py-config>` can be declared by using the direct link to the package URL (whl or any other format supported by the chosen interpreter) or by just providing the package name [and version]. If only the name [and version] are provided, packages will be installed directly from what's provided by your interpreter or from PyPI.
NOTICE that only pure python packages from PyPI will work and packages with C dependencies will not. These need to be built specifically for WASM (please, consult the Pyodide project for more information about what's supported and on how to build packages with C dependencies)
```html
<py-config>
packages = ["./static/wheels/travertino-0.1.3-py3-none-any.whl"]
</py-config>
```
OR in JSON like
```html
<py-config type="json">
{
"packages": ["./static/wheels/travertino-0.1.3-py3-none-any.whl"]
}
</py-config>
```
If your `.whl` is not a pure Python wheel, then open a PR or issue with [pyodide](https://github.com/pyodide/pyodide) to get it added [here](https://github.com/pyodide/pyodide/tree/main/packages).
If there's enough popular demand, the pyodide team will likely work on supporting your package. Regardless, things will likely move faster if you make the PR and consult with the team to get unblocked.
For example, NumPy and Matplotlib are available. Notice here we're using `display(fig, target="plot")`, which takes the graph and displays it in the element with the id `plot`.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<h1>Let's plot random numbers</h1>
<div id="plot"></div>
<py-config type="json">
{
"packages": ["numpy", "matplotlib"]
}
</py-config>
<py-script>
import matplotlib.pyplot as plt
import numpy as np
x = np.random.randn(1000)
y = np.random.randn(1000)
fig, ax = plt.subplots()
ax.scatter(x, y)
display(fig, target="plot")
</py-script>
</body>
</html>
```
## Local modules
In addition to packages, you can declare local Python modules that will
be imported in the `<py-script>` tag. For example, we can place the random
number generation steps in a function in the file `data.py`.
```python
# data.py
import numpy as np
def make_x_and_y(n):
x = np.random.randn(n)
y = np.random.randn(n)
return x, y
```
In the HTML tag `<py-config>`, paths to local modules are provided in the
`files` key within the `fetch` section. Refer to the [fetch](#fetch) section for
more details.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<h1>Let's plot random numbers</h1>
<div id="plot"></div>
<py-config type="toml">
packages = ["numpy", "matplotlib"]
[[fetch]]
files = ["./data.py"]
</py-config>
<py-script>
import matplotlib.pyplot as plt
from data import make_x_and_y
x, y = make_x_and_y(n=1000)
fig, ax = plt.subplots()
ax.scatter(x, y)
display(fig, target="plot")
</py-script>
</body>
</html>
```
## Supported configuration values
The following optional values are supported by `<py-config>`:
| Value | Type | Description |
| ------ | ---- | ----------- |
| `name` | string | Name of the user application. This field can be any string and is to be used by the application author for their own customization purposes. |
| `description` | string | Description of the user application. This field can be any string and is to be used by the application author for their own customization purposes. |
| `version` | string | Version of the user application. This field can be any string and is to be used by the application author for their own customization purposes. It is not related to the PyScript version. |
| `schema_version` | number | The version of the config schema which determines what all keys are supported. This can be supplied by the user so PyScript knows what to expect in the config. If not supplied, the latest version for the schema is automatically used. |
| `type` | string | Type of the project. The default is an "app" i.e. a user application |
| `author_name` | string | Name of the author. |
| `author_email` | string | Email of the author. |
| `license` | string | License to be used for the user application. |
| `autoclose_loader` | boolean | If false, PyScript will not close the loading splash screen when the startup operations finish. |
| `packages` | List of Packages | Dependencies on 3rd party OSS packages are specified here. The default value is an empty list. |
| `fetch` | List of Stuff to fetch | Local Python modules OR resources from the internet are to be specified here using a Fetch Configuration, described below. The default value is an empty list. |
| `plugins` | List of Plugins | List of Plugins are to be specified here. The default value is an empty list. |
| `interpreters` | List of Interpreters| List of Interpreter configurations, described below. The default value contains a single Pyodide based interpreter. **Note:** Currently, only a single interpreter is supported. |
| `runtimes` {bdg-warning-line}`Deprecated` | List of Runtimes | This value is deprecated, please use `interpreters`. List of runtime configurations, described below. The default value contains a single Pyodide based interpreter. |
### <a name="fetch">Fetch</a>
A fetch configuration consists of the following:
| Value | Type | Description |
|--------------|-----------------|-------------------------------------------------|
| `from` | string | Base URL for the resource to be fetched. |
| `to_folder` | string | Name of the folder to create in the filesystem. |
| `to_file` | string | Name of the target to create in the filesystem. |
| `files` | List of strings | List of files to be downloaded. |
The parameters `to_file` and `files` shouldn't be supplied together.
#### Mechanism
The `fetch` mechanism works in the following manner:
- If both `files` and `to_file` parameters are supplied: Error!
- `from` defaults to an empty string i.e. `""` to denote relative URLs of the serving directory
- `to_folder` defaults to `.` i.e. the current working directory of the filesystem
- If `files` is specified
- for each `file` present in the `files` array
- the `sourcePath` is calculated as `from + file`
- the `destination` is calculated as `to_folder + file`
- thus, the object is downloaded from `sourcePath` to `destination`
- Else i.e. `files` is NOT specified
- If `to_file` is specified
- the object is downloaded from `from` to `to_folder + to_file`
- Otherwise, calculate the `filename` at the end of `from` i.e. the part after last `/`
- the object is downloaded from `from` to `to_folder + filename at the end of 'from'`
Learn more about `fetch` on PyScript [here](https://jeff.glass/post/whats-new-pyscript-2022-12-1)
#### Use-Cases
Assumptions:
The directory being served has the following tree structure:
```
content/
├─ index.html <<< File with <py-config>
├─ info.txt
├─ data/
│ ├─ sensordata.csv
├─ packages/
│ ├─ my_package/
│ │ ├─ __init__.py
│ │ ├─ helloworld/
│ │ │ ├─ __init__.py
│ │ │ ├─ greetings.py
```
1. Fetching a single file
```html
<py-config>
[[fetch]]
files = ['info.txt']
</py-config>
```
```html
<py-script>
with open('info.txt', 'r') as fp:
print(fp.read())
</py-script>
```
2. Single File with Renaming
```html
<py-config>
[[fetch]]
from = 'info.txt'
to_file = 'info_loaded_from_web.txt'
</py-config>
```
```html
<py-script>
with open('info_loaded_from_web.txt', 'r') as fp:
print(fp.read())
</py-script>
```
3. Single File to another Directory
```html
<py-config>
[[fetch]]
files = ['info.txt']
to_folder = 'infofiles/loaded_info'
</py-config>
```
```html
<py-script>
with open('infofiles/loaded_info/info.txt', 'r') as fp:
print(fp.read())
</py-script>
```
4. Single File to another Directory with Renaming
```html
<py-config>
[[fetch]]
from = 'info.txt'
to_folder = 'infofiles/loaded_info'
to_file = 'info_loaded_from_web.txt'
</py-config>
```
```html
<py-script>
with open('infofiles/loaded_info/info_loaded_from_web.txt', 'r') as fp:
print(fp.read())
</py-script>
```
5. Single file from a folder to the current working directory
```html
<py-config>
[[fetch]]
from = 'data/'
files = ['sensordata.csv']
</py-config>
```
```html
<py-script>
with open('./sensordata.csv', 'r') as fp:
print(fp.read())
</py-script>
```
6. Single file from a folder to another folder (i.e. not the current working directory)
```html
<py-config>
[[fetch]]
from = 'data/'
to_folder = './local_data'
files = ['sensordata.csv']
</py-config>
```
```html
<py-script>
with open('./local_data/sensordata.csv', 'r') as fp:
print(fp.read())
</py-script>
```
7. Multiple files preserving directory structure
```html
<py-config>
[[fetch]]
from = 'packages/my_package/'
files = ['__init__.py', 'helloworld/greetings.py', 'helloworld/__init__.py']
to_folder = 'custom_pkg'
</py-config>
```
```html
<py-script>
from custom_pkg.helloworld.greetings import say_hi
print(say_hi())
</py-script>
```
8. From an API endpoint which doesn't end in a filename
```html
<py-config>
[[fetch]]
from = 'https://catfact.ninja/fact'
to_file = './cat_fact.json'
</py-config>
```
```html
<py-script>
import json
with open("cat_fact.json", "r") as fp:
data = json.load(fp)
</py-script>
```
### Interpreter
An interpreter configuration consists of the following:
| Value | Type | Description |
|--------|-------------------|-------------|
| `src` | string (Required) | URL to the interpreter source. |
| `name` | string | Name of the interpreter. This field can be any string and is to be used by the application author for their own customization purposes |
| `lang` | string | Programming language supported by the interpreter. This field can be used by the application author to provide clarification. It currently has no implications on how PyScript behaves. |
#### Example
- The default interpreter is `pyodide`, another version of which can be specified as following
```html
<py-config>
[[interpreters]]
src = "https://cdn.jsdelivr.net/pyodide/v0.20.0/full/pyodide.js"
name = "pyodide-0.20.0"
lang = "python"
</py-config>
```
```{note}
Currently, PyScript supports a single interpreter, this may change in the future.
```
## Supplying extra information (or metadata)
Besides the above schema, a user can also supply any extra keys and values that are relevant as metadata information or perhaps are being used within the application.
For example, a valid config could also be with the snippet below:
```html
<py-config type="toml">
magic = "unicorn"
</py-config>
```
OR in JSON like
```html
<py-config type="json">
{
"magic": "unicorn"
}
</py-config>
```
If this `"magic"` key is present in config supplied via `src` and also present in config supplied via `inline`, then the value in the inline config is given priority i.e. the overriding process also works for custom keys.

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# &lt;py-repl&gt;
The `<py-repl>` element provides a REPL(Read Eval Print Loop) to evaluate multi-line Python and display output.
## Attributes
| attribute | type | default | description |
|-------------------|---------|---------|--------------------------------------|
| **auto-generate** | boolean | | Auto-generates REPL after evaluation |
| **output-mode** | string | "" | Determines whether the output element is cleared prior to writing output |
| **output** | string | | The id of the element to write `stdout` and `stderr` to |
| **stderr** | string | | The id of the element to write `stderr` to |
| **src** | string | | Resource to be preloaded into the REPL |
### `auto-generate`
If a \<py-repl\> tag has the `auto-generate` attribute, upon execution, another \<pr-repl\> tag will be created and added to the DOM as a sibling of the current tag.
### `output-mode`
By default, the element which displays the output from a REPL is cleared (`innerHTML` set to "") prior to each new execution of the REPL. If `output-mode` == "append", that element is not cleared, and the output is appended instead.
### `output`
The ID of an element in the DOM that `stdout` (e.g. `print()`), `stderr`, and the results of executing the repl are written to. Defaults to an automatically-generated \<div\> as the next sibling of the REPL itself.
### `stderr`
The ID of an element in the DOM that `stderr` will be written to. Defaults to None, though writes to `stderr` will still appear in the location specified by `output`.
### `src`
If a \<py-repl\> tag has the `src` attribute, during page initialization, resource in the `src` will be preloaded into the REPL. Please note that this will not run in advance. If there is content in the \<py-repl\> tag, it will be cleared and replaced with preloaded resource.
## Examples
### `<py-repl>` element set to auto-generate
```html
<py-repl auto-generate="true"> </py-repl>
```
### `<py-repl>` element with output
The following will write "Hello! World!" to the div with id `replOutput`.
```html
<div id="replOutput"></div>
<py-repl output="replOutput">
print("Hello!")
hello = "World!"
hello
</py-repl>
```
Note that if we `print` from the REPL (or otherwise write to `sys.stdout`), the output will be printed in the [`py-terminal`](../plugins/py-terminal.md) if is enabled.
### `<py-repl>` element with src
Preload resource from src into the REPL
```html
<py-repl id="py-repl" output="replOutput" src="./src/py/py_code.py">
If a py-repl tag has the src attribute,
the content here will be cleared and replaced.
</py-repl>
<div id="replOutput"></div>
```

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# &lt;py-script&gt;
The `<py-script>` element, also available as `<script type="py-script">`, lets you execute multi-line Python scripts both inline and via a src attribute.
## Attributes
| attribute | type | default | description |
|-----------|--------|---------|------------------------------|
| **src** | url | | You don't need to add long python code in py-script, you can provide url of the python source file in the py-script tag with the `src` attribute. When a Python file is referred with the `src` attribute it is executed, and then added to the namespace where it was referred. |
| **output**| string | | The id of a DOM element to route `sys.stdout` and `stderr` to, in addition to sending it to the `<py-terminal>`|
| **stderr**| string | | The id of a DOM element to route just `sys.stderr` to, in addition to sending it to the `<py-terminal>`|
### output
If the `output` attribute is provided, any output to [sys.stdout](https://docs.python.org/3/library/sys.html#sys.stdout) or [sys.stderr](https://docs.python.org/3/library/sys.html#sys.stderr) is written to the DOM element with the ID matching the attribute. If no DOM element is found with a matching ID, a warning is shown. The msg is output to the `innerHTML` of the HTML Element, with newlines (`\n'`) converted to breaks (`<br/>`).
This output is in addition to the output being written to the developer console and the `<py-terminal>` if it is being used.
### stderr
If the `stderr` attribute is provided, any output to [sys.stderr](https://docs.python.org/3/library/sys.html#sys.stderr) is written to the DOM element with the ID matching the attribute. If no DOM element is found with a matching ID, a warning is shown. The msg is output to the `innerHTML` of the HTML Element, with newlines (`\n'`) converted to breaks (`<br/>`).
This output is in addition to the output being written to the developer console and the `<py-terminal>` if it is being used.
## Examples
### Inline `<py-script>` element
Let's execute this multi-line Python script to compute π and print it back onto the page
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
print("Let's compute π:")
def compute_pi(n):
pi = 2
for i in range(1,n):
pi *= 4 * i ** 2 / (4 * i ** 2 - 1)
return pi
pi = compute_pi(100000)
s = f"π is approximately {pi:.3f}"
print(s)
</py-script>
</body>
</html>
```
### Using `<py-script>` element with `src` attribute
we can also move our python code to its own file and reference it via the `src` attribute.
```python
# compute_pi.py
print("Let's compute π:")
def compute_pi(n):
pi = 2
for i in range(1,n):
pi *= 4 * i ** 2 / (4 * i ** 2 - 1)
return pi
pi = compute_pi(100000)
s = f"π is approximately {pi:.3f}"
print(s)
```
Since both compute_pi.py and index.html are in the same directory, we can reference the python file with a relative path.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script src="compute_pi.py"></py-script>
</body>
</html>
```
### Writing into labeled elements
In the example above, we had a single `<py-script>` tag printing
one or more lines onto the page in order. Within the `<py-script>`, you can
use the `Element` class to create a python object for interacting with
page elements. Objects created from the `Element` class provide the `.write()` method
which enables you to send strings into the page elements referenced by those objects.
For example, we'll add some style elements and provide placeholders for
the `<py-script>` tag to write to.
```html
<html>
<head>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" crossorigin="anonymous">
</head>
<body>
<b><p>Today is <u><label id='today'></label></u></p></b>
<br>
<div id="pi" class="alert alert-primary"></div>
<py-script>
import datetime as dt
Element('today').write(dt.date.today().strftime('%A %B %d, %Y'))
def compute_pi(n):
pi = 2
for i in range(1,n):
pi *= 4 * i ** 2 / (4 * i ** 2 - 1)
return pi
pi = compute_pi(100000)
Element('pi').write(f'π is approximately {pi:.3f}')
</py-script>
</body>
</html>
```

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# Exceptions and error codes
When creating pages with PyScript, you may encounter exceptions. Each handled exception will contain a specific code which will give you more information about it.
This reference guide contains the error codes you might find and a description of each of them.
## User Errors
| Error code | Description | Recommendation |
|------------|--------------------------------|--------------------|
| PY1000 | Invalid configuration supplied | Confirm that your `py-config` tag is using a valid `TOML` or `JSON` syntax and is using the correct configuration type. |
| PY1001 | Unable to install package(s) | Confirm that the package contains a pure Python 3 wheel or the name of the package is correct. |
| PY2000 | Invalid plugin file extension | Only `.js` and `.py` files can be used when loading user plugins. Please confirm your path contains the file extension. |
| PY2001 | Plugin doesn't contain a default export | Please add `export default` to the main plugin class. |
| PY9000 | Top level await is deprecated | Create a coroutine with your code and schedule it with `asyncio.ensure_future` or similar |
## Fetch Errors
These error codes are related to any exception raised when trying to fetch a resource. If, while trying to fetch a resource, we encounter a status code that is not 200, the error code will contain the HTTP status code and the `PY0` prefix. For example, if we encounter a 404 error, the error code will be `P02404`.
| Error Code | Description |
|------------|--------------------------------------------------------------|
| PY0001 | Generic fetch error, failed to fetch page from the server |
| PY0002 | Name supplied when trying to fetch resource is invalid |
| PY0401 | You are not authorized to access this resource. |
| PY0403 | You are not allowed to access this resource. |
| PY0404 | The page you are trying to fetch does not exist. |
| PY0500 | The server encountered an internal error. |
| PY0503 | The server is currently unavailable. |
## PY1001
Pyscript cannot install the package(s) you specified in your `py-config` tag. This can happen for a few reasons:
- The package does not exist
- The package does not contain a pure Python 3 wheel
- An error occurred while trying to install the package
An error banner should appear on your page with the error code and a description of the error or a traceback. You can also check the developer console for more information.
## PY2001
Javascript plugins must export a default class. This is required for PyScript to be able to load the plugin. Please add `export default` to the main plugin class. For example:
```js
export default class HelloWorldPlugin {
afterStartup(runtime) {
console.log("Hello World from the plugin!");
}
```

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# Frequently asked questions
As the worlds most popular programming language, Python is powerful in its capabilities and comparatively easy to learn, yet the limitations cannot be ignored: its hard to install Python and all necessary dependencies; its glued to the backend without the ability to make apps or websites; and its difficult to share your work.
What if we could remove those limitations, making the power of Python accessible to the masses? The makers of PyScript set out to do just that by enabling Python in the browser for frontend web and application development. No more complicated installs. Projects can be shared with anyone, anywhere—all you need is a browser.
We are fully leaning into the idea that the browser is the most ubiquitous VM by using Python to build a graphical, programmable OS on top to make and share applications. Harness the full power of canvas, webGL, WASI, and even in-browser support for P2P and CRDTs for serverless data sharing and collaboration.
> “This is the exciting beginning for supporting new ways of programming, building, sharing, and deploying applications. Ultimately, we should be spending our time thinking and writing applications to solve the real problems we have, not dealing with mundane, hardware-induced challenges. Let's make programming more fun and simple.” - Fabio Pliger
## Why PyScript?
Exponentially expand accessibility and use cases for Python by enabling Python in the browser for building UIs. Reproduce environments without having to download Python or conda or install other packages. Projects can be shared with anyone and deployed anywhere—all you need is a browser and a web-accessible device (computer, tablet, or mobile).
We are fully leaning into the idea that the browser is the most ubiquitous VM by using Python to build a graphical, programmable operating system on top of the browser to make and share applications. Harness the full power of canvas, webGL, WASI, and even in-browser support for P2P and CRDTs for serverless data sharing and collaboration.
- [PyCon US 2022 Keynote with Peter Wang](https://anaconda.cloud/pyscript-pycon2022-peter-wang-keynote)
- [Example demos from Keynote](https://pyscript.net/examples/index.html)
## What is PyScript?
PyScript is a framework that allows users to create rich Python applications in the browser using HTML's interface and the power of [Pyodide — Version 0.20.0](https://pyodide.org/en/stable/), [WebAssembly](https://webassembly.org/), and modern web technologies. The PyScript framework provides users at every experience level with access to an expressive, easy-to-learn programming language with countless applications.
What is PyScript? Well, here are some of the core components:
- Python in the browser: Enable drop-in content, external file hosting, and application hosting without the reliance on server-side configuration
- Python ecosystem: Run many popular packages of Python and the scientific stack (such as numpy, pandas, scikit-learn, and more)
- Python with JavaScript: Bi-directional communication between Python and Javascript objects and namespaces
- Environment management: Allow users to define what packages and files to include for the page code to run
- Visual application development: Use readily available curated UI components, such as buttons, containers, text boxes, and more
- Flexible framework: A flexible framework that can be leveraged to create and share new pluggable and extensible components directly in Python
All that to say... PyScript is just HTML, only a bit (okay, maybe a lot) more powerful, thanks to the rich and accessible ecosystem of Python libraries.
In short, our mission is to enable programming for the 99%.
## How can a user get started?
Leveraging Python in HTML is literally as simple as adding a few lines of code to your page. The best place to learn more, get started, and stay updated on all things PyScript is [Pyscript.net](http://pyscript.net/). Additional shareable resources below:
- [PyScript Repo](https://github.com/pyscript/pyscript)
- [PyScript Announcement Blog](https://www.anaconda.com/blog/pyscript-python-in-the-browser)
- [PyScript Technical Blog](https://engineering.anaconda.com/2022/04/welcome-pyscript.html)
- [PyScript Nucleus Project](https://anaconda.cloud/s/pyscript)
- [PyScript Documentation](https://docs.pyscript.net/)
## Why isn't this going to be as terrible as PHP?
This comparison is based on both PHP and PyScript having a similar way of declaring things: put a tag on the page and the interpreter handles it. PHP works on the server side and is itself a whole different programming language that has its own directives and semantics.
The choice of using tags to allow people to execute Python is explicit; even if this functionality is similar to PHP, it works differently. First of all, everything runs in the browser itself rather than going to the server side. Secondly, PyScript lives close to the text and allows changes to be made to the visual elements. The PyScript REPL can generate output, plus it provides additional visual elements like buttons, titles, and input boxes. PyScript functions as a framework that generates UIs that makes sense as a tag in the html code.
Currently, both PHP and PyScript operate with only one namespace. However, PyScript will soon support multiple namespaces and different types of isolation of code (scope), along with support for languages beyond Python.
## Why not just learn JavaScript?
JavaScript is not only a different language from python, but a challenging language at that. With PyScript, you now have two languages to choose from, with even more on the roadmap. PyScript allows you to use both libraries and makes JavaScript and Python compatible with one another.
Python is incredibly powerful, super intuitive, and easy to learn. By adding Python to your toolkit, you can use Numpy, SciPy, Pandas, and more, seamlessly. One tradeoff is longer download times, so it isnt the right tool for everything—but where it is the right tool, its almost irreplaceable.
Ultimately, PyScript will enable the use of a variety of languages, offer a standard set of components that is well linked to the REPLs, and allow you to do an introspection on the code base—you can have, for example, a *modifiable* chart as a python object.
## Will PyScript replace JavaScript?
No. PyScript allows Python to leverage HTML, CSS, and JavaScript conventions to build elegant UIs and address general web application building, packaging, distribution, and deployment challenges (a huge pain). We expect the popularity and adoption of HTML, CSS, and JavaScript to rise alongside Python, ultimately making the web a more friendly and hackable place for everyone. That said, we do believe:
- PyScript will displace some use cases that people have to rely on Javascript for now
- PyScript will heavily leverage and interface with existing powerful, feature-full JS libraries, as appropriate
- PyScript will open up web programming to tens of millions of people who would otherwise not have touched JavaScript; so in this way, it will outpace JavaScript
But none of these above scenarios lead to a situation where "PyScript replaces all existing JavaScript." Just as Python itself didn't replace C, C++, or Java. But, it did take a LOT of market share for new use cases where those languages would otherwise have been used.
## What is the difference between PyScript and Pyodide?
![pyodide-pyscript](../img/pyodide-pyscript.png)
PyScript provides HTML tags for embedding and executing Python code in your browser. As a glue framework, it sits on top of a variety of tools and provides users access to Pyodide, the WebAssembly port of CPython, which is compiled using Emscripten. In other words, Pyodide enables PyScript users to take advantage of real CPython on the browser.
Together, PyScript and Pyodide allow users to author applications by turning the browser into a code deployment tool that anyone can learn to use.
With respect to the UI, PyScript is opinionated and purposeful, while Pyodide is agnostic, unopinionated, and intended for more general use.
## What packages can I use? Can I use anything from PyPI?
You can use anything within the Pyodide library, and pure python packages from PyPi that do not contain C dependencies should be supported by Pyodide.
There is a list of packages built in Pyodide in [Packages built in Pyodide — Version 0.20.0](https://pyodide.org/en/stable/usage/packages-in-pyodide.html) (these are mostly packages with C extensions). You can also install pure Python packages from PyPI or custom URLs, assuming they have a wheel.
In general, Pyodide doesnt support all Python features—not because of Pyodide itself, but because some concepts just work differently on the browser (think of sockets/websockets, IO, threading, etc.). If its a pure python package that doesnt have any non-supported features, you should expect it to work. If it has C dependencies, etc., dont expect it to work unless someone builds/ports them. A lot of the features that dont work can be made to work, but it will take human power to fix. For example, the PyTorch community wanted those features to work, so they rallied around it to make it happen. Expect the set of libraries that work to grow quickly given the volume of package builds coming from the community.
## This package XXX is not supported because it has C dependencies. How can I make it work?
See [Creating a Pyodide package — Version 0.20.0](https://pyodide.org/en/stable/development/new-packages.html).
## Why is PyScript loading so slowly? Why cant we put things behind a CDN?
Packages are already served from the JsDelivr CDN. This is not a downloading speed problem—it's WASM assembly time. PyScript loads slowly because the Python standard library and packages are large and WebAssembly code needs to be compiled and run by the browser after they are loaded for the first time.
Currently, there are efforts to mitigate the problem, and Pyodide is currently working on a bundler, for instance.
## Is PyScript owned by Anaconda?
Anaconda doesnt own PyScript. It is an open source project developed by Anaconda internally, and Anaconda team members are currently the main contributors, but the repo itself is public. We are working on a steering council to ensure the project stays public and owned by the community.
See [Maintainers](../concepts/governance/maintainers.md).
See [Governance Policy](../concepts/governance/policy.md).
## What is the governing model for PyScript?
See [Governance Policy](../concepts/governance/policy.md).
## What is the license?
PyScript uses the Apache-2.0 license.
Pyodide uses MPL-2.0 license. Various packages are distributed under their corresponding license.
## Is Pyodide a replacement for CPython? How does PyScript and Pyodide compare to CPython on WASM?
No. They have different elements that do different things, both of which are additive.
PyScript sits on top of everything. Pyodide came before the work on CPython and WASM. Patches were created in order for it to work, but now that CPython/WASM are progressing, Pyodide is able to remove a few of those patches. Additionally, CPython doesnt deal with building Python packages for WASM. WASM related work on upstream CPython will integrate into Pyodide in the near future.
For a list of differences from “standard” CPython, see [Pyodide Python compatibility — Version 0.20.0](https://pyodide.org/en/stable/usage/wasm-constraints.html).
## Hasnt this already been done before by Brython/skulpt?
No. Brython and Skulpt accomplish different things than PyScript and Pyodide.
Brython is client-side and functions as syntax on top of Javascript—it is a reimplementation of Python on top of Javascript, without support for packages or a file system. The extraction of a package in normal Python has been replaced completely by something else. You should be able to run code with minimal changes; however, that isnt possible with Brython.
Skulpt is a cross compiler from Python to Javascript, leveraged for compatibility with the Python ecosystem. If you want to do any more Python, you would have to send it over.
Fairly similar syntax to normal Python, but not exactly the same. If Brython was an interpreter and a full Python implementation, it could be used with PyScript to leverage packages like Numpy, but that isnt possible as it stands today. They do have the Python script tag, but it is a smaller API and not as feature rich—which is why PyScript is built on Pyodide, Emscripten, and WebAssembly.
## How can I contribute/help?
**PyScript** - we are currently working on building documentation and a contributing guide. In the meantime, just ask to help on the PyScript [discussions page](https://anaconda.cloud/s/pyscript) or in the [repo](http://github.com/pyscript/pyscript).
**Pyodide** - refer to [Pyodide docs](https://pyodide.org/en/stable/development/contributing.html).
## WebAssembly Security
See [WebAssembly docs](https://webassembly.org/docs/security/).
## Why dont Requests and Black work?
Requests and Black do not work out of the box because they werent meant for the browser. On the browser, sockets multiprocessing works differently, so there is work to be done to actually match things.
For Black, its a design choice that can be patched. This is currently being addressed by the team at Pyodide.
Requests do not work because of the sockets issue (sockets and websockets are two different things) and requests are blocking—which you dont want in the browser. Itll require putting the interpreter on a webworker and utilizing an assistant, but on the main thread its unlikely that itll work.
There are options as a path forward. For example, Requests can be leveraged using javascript libraries, or building a python async version of Requests API or a python wrapper for fetch (pyfetch), etc. The websockets library has a client side that could be made to work—given that it has all asynchronous APIs, theres nothing fundamentally difficult about getting it to work.

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# Reference
```{toctree}
---
maxdepth: 1
glob:
caption: Elements
---
elements/*
```
```{toctree}
---
maxdepth: 1
glob:
caption: Modules
---
modules/*
```
```{toctree}
---
maxdepth: 1
glob:
caption: Plugins
---
plugins/*
```
```{toctree}
---
maxdepth: 1
glob:
caption: API
---
API/*
```
```{toctree}
---
maxdepth: 2
glob:
caption: Exceptions
---
exceptions
```
```{toctree}
---
maxdepth: 1
caption: Miscellaneous
---
faq
```

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# pyscript
The code underlying PyScript is a JavaScript module, which is loaded and executed by the browser. This is what loads when you include, for example, `<script defer src="https://pyscript.net/latest/pyscript.js">` in your HTML.
The module is exported to the browser as `pyscript`. The exports from this module are:
## pyscript.version
Once `pyscript.js` has loaded, the version of PyScript that is currently running can be accessed via `pyscript.version`.
```html
<script defer onload="console.log(`${pyscript.version}`)" src="https://pyscript.net/latest/pyscript.js"></script>
```
```js
//example result
Object { year: 2022, month: 11, patch: 1, releaselevel: "dev" }
```
## pyscript.interpreter
The Interpreter object which is responsible for executing Python code in the Browser. Currently, all interpreters are assumed to be Pyodide interpreters, but there is flexibility to expand this to other web-based Python interpreters in future versions.
The Interpreter object has the following attributes
| attribute | type | description |
|---------------------|-----------------------|---------------------------------------------------------------------------------|
| **src** | string | The URL from which the current interpreter was fetched |
| **interface** | InterpreterInterface | A reference to the interpreter object itself |
| **globals** | any | The globals dictionary of the interpreter, if applicable/accessible |
| **name (optional)** | string | A user-designated name for the interpreter |
| **lang (optional)** | string | A user-designation for the language the interpreter runs ('Python', 'C++', etc) |
### pyscript.interpreter.src
The URL from which the current interpreter was fetched.
### pyscript.interpreter.interface
A reference to the Interpreter wrapper that PyScript uses to execute code. object itself. This allows other frameworks, modules etc to interact with the same [(Pyodide) interpreter instance](https://pyodide.org/en/stable/usage/api/js-api.html) that PyScript uses.
For example, assuming we've loaded Pyodide, we can access the methods of the Pyodide interpreter as follows:
```html
<button onclick="logFromPython()">Click Me to Run Some Python</button>
<script>
function logFromPython(){
pyscript.interpreter.interface.runPython(`
animal = "Python"
sound = "sss"
console.warn(f"{animal}s go " + sound * 5)
`)
}
</script>
```
### pyscript.interpreter.globals
A proxy for the interpreter's `globals()` dictionary. For example:
```html
<body>
<py-script>x = 42</py-script>
<button onclick="showX()">Click Me to Get 'x' from Python</button>
<script>
function showX(){
console.log(`In Python right now, x = ${pyscript.interpreter.globals.get('x')}`)
}
</script>
</body>
```
### pyscript.interpreter.name
A user-supplied string for the interpreter given at its creation. For user reference only - does not affect the operation of the interpreter or PyScript.
### PyScript.interpreter.lang
A user-supplied string for the language the interpreter uses given at its creation. For user reference only - does not affect the operation of the interpreter or PyScript.

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# &lt;py-splashscreen&gt;
This is one of the core plugins in PyScript, which is active by default. The splashscreen is the first thing you see when you open a page with Pyscript while it is loading itself and all the necessary resources.
## Configuration
You can control how `<py-splashscreen>` behaves by setting the value of the `splashscreen` configuration in your `<py-config>`.
| parameter | default | description |
|-------------|-----------|-------------|
| `autoclose` | `true` | Whether to close the splashscreen automatically when the page is ready or not |
| `enabled` | `true` | Whether to show the splashscreen or not |
### Examples
#### Disabling the splashscreen
If you don't want the splashscreen to show and log any loading messages, you can disable it by setting the splashscreen option `enabled` to `false`.
```html
<py-config>
[splashscreen]
enabled = false
</py-config>
```
#### Disabling autoclose
If you want to keep the splashscreen open even after the page is ready, you can disable autoclose by setting `autoclose` to `false`.
```html
<py-config>
[splashscreen]
autoclose = false
</py-config>
```
## Adding custom messages
You can add custom messages to the splashscreen. This is useful if you want to show the user that something is happening in the background for your PyScript app.
There are two ways to add your custom messages to the splashscreen, either by dispatching a new custom event, `py-status-message` to the document:
```js
document.dispatchEvent(new CustomEvent("py-status-message", {detail: "Hello, world!"}))
```
Or by using the `log` method of the `py-splashscreen` tag directly:
```js
const splashscreen = document.querySelector("py-splashscreen")
splashscreen.log("Hello, world!")
```
If you wish, you can also send messages directly to the splashscreen from your python code:
```python
from js import document
splashscreen = document.querySelector("py-splashscreen")
splashscreen.log("Hello, world!")
```

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# &lt;py-terminal&gt;
This is one of the core plugins in PyScript, which is active by default. With it, you can print to `stdout` and `stderr` from your python code, and the output will be displayed on the page in `<py-terminal>`.
## Configuration
You can control how `<py-terminal>` behaves by setting the values of the `terminal`, `docked`, and `xterm` fields in your configuration in your `<py-config>`.
For the **terminal** field, these are the values:
| value | description |
|-------|-------------|
| `false` | Don't add `<py-terminal>` to the page |
| `true` | Automatically add a `<py-terminal>` to the page |
| `"auto"` | This is the default. Automatically add a `<py-terminal auto>`, to the page. The terminal is initially hidden and automatically shown as soon as something writes to `stdout` and/or `stderr` |
For the **docked** field, these are the values:
| value | description |
|-------|-------------|
| `false` | Don't dock `<py-terminal>` to the page |
| `true` | Automatically dock a `<py-terminal>` to the page |
| `"docked"` | This is the default. Automatically add a `<py-terminal docked>`, to the page. The terminal, once visible, is automatically shown at the bottom of the page, covering the width of such page |
Please note that **docked** mode is currently used as default only when `terminal="auto"`, or *terminal* default, is used.
In all other cases it's up to the user decide if a terminal should be docked or not.
For the **xterm** field, these are the values:
| value | description |
|-------|-------------|
| `false` | This is the default. The `<py-terminal>` is a simple `<pre>` tag with some CSS styling. |
| `true` or `xterm` | The [xtermjs](http://xtermjs.org/) library is loaded and its Terminal object is used as the `<py-terminal>`. It's visibility and position are determined by the `docked` and `auto` keys in the same way as the default `<py-terminal>` |
The xterm.js [Terminal object](http://xtermjs.org/docs/api/terminal/classes/terminal/) can be accessed directly if you want to adjust its properties, add [custom parser hooks](http://xtermjs.org/docs/guides/hooks/), introduce [xterm.js addons](http://xtermjs.org/docs/guides/using-addons/), etc. Access is best achieved by awaiting the `xtermReady` attribute of the `<py-terminal>` HTML element itself:
```python
import js
import asyncio
async def adjust_term_size(columns, rows):
xterm = await js.document.querySelector('py-terminal').xtermReady
xterm.resize(columns, rows)
asyncio.ensure_future(adjust_term_size(40,10))
```
Some terminal-formatting packages read from specific environment variables to determine whether they should emit formatted output; PyScript does not set these variables explicitly - you may need to set them yourself, or force your terminal-formatting package into a state where it outputs correctly formatted output.
A couple of specific examples:
- the [rich](https://github.com/Textualize/rich) will not, by default, output colorful text, but passing `256` or `truecolor` as an argument as the `color_system` parameter to the [Console constructor](https://rich.readthedocs.io/en/stable/reference/console.html#rich.console.Console) will force it to do so. (As of rich v13)
- [termcolor](https://github.com/termcolor/termcolor) will not, by default, output colorful text, but setting `os.environ["FORCE_COLOR"] = "True"` or by passing `force_color=True` to the `colored()` function will force it to do so. (As of termcolor v2.3)
### Examples
```html
<py-config>
terminal = true
docked = false
</py-config>
<py-script>
print("Hello, world!")
</py-script>
```
This example will create a new `<py-terminal>`, the value "Hello, world!" that was printed will show in it.
You can also add one (or more) `<py-terminal>` to the page manually.
```html
<py-script>
print("Hello, world!")
</py-script>
<py-terminal></py-terminal>
```
```{note}
If you include a `<py-terminal>` in the page, you can skip `terminal` from your `<py-config>`.
```

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User-agent: *
Disallow: /review/
Sitemap: https://docs.pyscript.net/sitemap.xml
Host: docs.pyscript.net

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# Getting started with PyScript
To start developing a PyScript, like with most applications development, you need a **development environment** where you
write your code, a way to install the programming libraries and dependencies your code needs, and way to build and distribute
your application.
Luckily, PyScript makes many of these steps much easier.
## Development setup
PyScript does not require any specific development environment other
than a web browser (we recommend using [Chrome](https://www.google.com/chrome/)) and a text editor, even though using your [IDE](https://en.wikipedia.org/wiki/Integrated_development_environment) of choice might be convenient.
If you're using [VSCode](https://code.visualstudio.com/), the
[Live Server extension](https://marketplace.visualstudio.com/items?itemName=ritwickdey.LiveServer)
can be used to reload the page as you edit the HTML file.
**NOTE:** The easier way to get a development setup for PyScript is to use [pyscript.com](pyscript.com). It is a free service that allows
users to create new projects from pre-created templates that already have all the project structure created and allows users
to edit their apps, preview it and deploy with just a link, all in the same place.
## Installation
There is no PyScript specific installation required in your system to start using PyScript in your browser. All you need to do is to
simply add a reference in your application code to where your application should get PyScript from.
If you are not an experienced developer and it all sounds very complicated, don't worry, we'll get you through it in the following steps.
## Writing your first PyScript application
As we hinted earlier, writing a PyScript application means writing a web application that can run code writted in Python (and other languages)
on the web. This means that the way we create PyScript applications starts in a very similar way to how we write web applications: from an
HTML file.
To demonstrate the above, let's start from the most popular "first application example": let's write a "Hello, world!"
example using PyScript.
Using your favorite editor, create a new file called `hello.html` and paste in the following content and open it in your web browser. (You can typically
open an HTML by double-clicking it in your file explorer.):
```html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>My First PyScript APP: Hello World!</title>
<script
type="module"
src="https://esm.sh/@pyscript/core@latest/core.js"
></script>
</head>
<body>
<py-script>
from pyscript import display
print('Hello, World!')
display('Hello, World!')
</py-script>
</body>
</html>
```
<a href="https://fpliger.pyscriptapps.com/hello-world-minimal-example/latest/" target="_blank">or open this example on pyscript.com</a>
You should see "Hello World!" printed in your page and in your Javascript Console (don't worry if
you don't know what it means yet, we'll get into that later).
## Serving your application
Now what we have written our first application, it's important talk about how we can access it.
In the example above, we were able to visualize it by simply opening the local file from our
system directly with the browser. While that's a very simple and fast way to open our application,
it is not very recommended because browsers will forbid many features when accessing files this way,
for security reasons. When this is the case, you may see your Python code in the text of the webpage,
and the [browser developer console](https://balsamiq.com/support/faqs/browserconsole/) may show an
error like *"Cross origin requests are only supported for HTTP."*
In short, when browsers visualize a web page, they expect them to be served by a
web server.
For the rest of this documentation, we'll be presenting examples and snippets and host them on
pyscript.com. Users can reference the [serving your application](serving-your-application.md) at
anytime for other options.
## A more complex example
Now that we know how you can create a simple 'Hello, World!' example, let's see a more complex example.
This example will use the Demo created by [Cheuk Ting Ho](https://github.com/Cheukting). In this example, we will use more features from PyScript.
### Setting up the base index file
Let's create a new file called `index.html` and add the following content:
```html
<html>
<head>
<title>Ice Cream Picker</title>
<meta charset="utf-8">
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
In this first step, we have created the index file, imported `pyscript.css` and `pyscript.js`. We are ready to start adding the elements we need for our application.
### Importing the needed libraries
For this example, we will need to install `pandas` and `matplotlib`. We can install libraries using the `<py-config>` tag so we can import them later. Please refer to the [`<py-config>`](../reference/elements/py-config.md) documentation for more information.
```html
<html>
<head>
<title>Ice Cream Picker</title>
<meta charset="utf-8">
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["matplotlib", "pandas"]
</py-config>
</body>
</html>
```
### Importing the data and exploring
Now that we have installed the needed libraries, we can import and explore the data. In this step, we need to create a `<py-script>` tag to import our dependencies, read the data with pandas and then use `py-repl` to explore the data.
You may want to read the [`<py-script>`](../reference/elements/py-script.md) and [`<py-repl>`](../reference/elements/py-repl.md) documentation for more information about these elements.
```html
<html>
<head>
<title>Ice Cream Picker</title>
<meta charset="utf-8">
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["matplotlib", "pandas"]
</py-config>
<py-script>
import pandas as pd
from pyodide.http import open_url
url = (
"https://raw.githubusercontent.com/Cheukting/pyscript-ice-cream/main/bj-products.csv"
)
ice_data = pd.read_csv(open_url(url))
</py-script>
<py-repl>
ice_data
</py-repl>
</body>
</html>
```
Note that we are adding `ice_data` to `py-repl` to pre-populate the REPL with this variable, so you don't have to type it yourself.
### Creating the plot
Now that we have the data, we can create the plot. We will use the `matplotlib` library to make the plot. We will use the `display` API to display the plot on the page. You may want to read the [`display`](../reference/API/display.md) documentation for more information.
```html
<html>
<head>
<title>Ice Cream Picker</title>
<meta charset="utf-8">
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["matplotlib", "pandas"]
</py-config>
<py-script>
import pandas as pd
import matplotlib.pyplot as plt
from pyodide.http import open_url
url = (
"https://raw.githubusercontent.com/Cheukting/pyscript-ice-cream/main/bj-products.csv"
)
ice_data = pd.read_csv(open_url(url))
def plot(data):
plt.rcParams["figure.figsize"] = (22,20)
fig, ax = plt.subplots()
bars = ax.barh(data["name"], data["rating"], height=0.7)
ax.bar_label(bars)
plt.title("Rating of ice cream flavours of your choice")
display(fig, target="graph-area", append=False)
plot(ice_data)
</py-script>
<py-repl>
ice_data
</py-repl>
<div id="graph-area"></div>
</body>
</html>
```
### Select specific flavours
Now that we have a way to explore the data using `py-repl` and a way to create the plot using all of the data, it's time for us to add a way to select specific flavours.
```html
<html>
<head>
<title>Ice Cream Picker</title>
<meta charset="utf-8">
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["matplotlib", "pandas"]
</py-config>
<py-script>
import js
import pandas as pd
import matplotlib.pyplot as plt
from pyodide.http import open_url
from pyodide.ffi import create_proxy
url = (
"https://raw.githubusercontent.com/Cheukting/pyscript-ice-cream/main/bj-products.csv"
)
ice_data = pd.read_csv(open_url(url))
current_selected = []
flavour_elements = js.document.getElementsByName("flavour")
def plot(data):
plt.rcParams["figure.figsize"] = (22,20)
fig, ax = plt.subplots()
bars = ax.barh(data["name"], data["rating"], height=0.7)
ax.bar_label(bars)
plt.title("Rating of ice cream flavours of your choice")
display(fig, target="graph-area", append=False)
def select_flavour(event):
for ele in flavour_elements:
if ele.checked:
current_selected = ele.value
break
if current_selected == "ALL":
plot(ice_data)
else:
filter = ice_data.apply(lambda x: ele.value in x["ingredients"], axis=1)
plot(ice_data[filter])
ele_proxy = create_proxy(select_flavour)
for ele in flavour_elements:
if ele.value == "ALL":
ele.checked = True
current_selected = ele.value
ele.addEventListener("change", ele_proxy)
plot(ice_data)
</py-script>
<div id="input" style="margin: 20px;">
Select your 🍨 flavour: <br/>
<input type="radio" id="all" name="flavour" value="ALL">
<label for="all"> All 🍧</label>
<input type="radio" id="chocolate" name="flavour" value="COCOA">
<label for="chocolate"> Chocolate 🍫</label>
<input type="radio" id="cherry" name="flavour" value="CHERRIES">
<label for="cherry"> Cherries 🍒</label>
<input type="radio" id="berries" name="flavour" value="BERRY">
<label for="berries"> Berries 🍓</label>
<input type="radio" id="cheese" name="flavour" value="CHEESE">
<label for="cheese"> Cheese 🧀</label>
<input type="radio" id="peanut" name="flavour" value="PEANUT">
<label for="peanut"> Peanut 🥜</label>
</div>
<py-repl>
ice_data
</py-repl>
<div id="graph-area"></div>
</body>
</html>
```

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# Tutorials
This section contains pyscript tutorials. Each tutorial is a self-contained document that will guide you through a specific topic.
## Getting Started
This tutorial will guide you through getting started with PyScript, from installation to writing your first PyScript application. The getting started will show you how to specify dependencies, read a csv file from the web, use `pandas` and `matplotlib` and how to handle user input.
[Read the get started tutorial](getting-started.md)
## Basics
This section contains tutorials about the basics of PyScript.
```{toctree}
---
maxdepth: 1
glob:
---
writing-to-page
py-click
requests
```
## PyScript Configuration
This section contains tutorials about the PyScript configuration using the `<py-config>` tag.
```{toctree}
---
maxdepth: 1
glob:
---
py-config-fetch
py-config-interpreter
```

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# Handling click events
This tutorial will show you how to use the `py-click` attribute to handle mouse clicks on elements on your page. The `py-click` attribute is a special attribute that allows you to specify a Python function that will be called when the element is clicked. There are many other events such as py-mouseover, py-focus, py-input, py-keyress etc, which can be used as well. They are listed here [Attr-to-Event](../reference/API/attr_to_event.html)
## Development setup
Let's start by building the base HTML page. We will create an HTML page with a button and a paragraph. When the button is clicked, the paragraph will show the current time.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Current Time</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
## Adding elements to the page
Let's add a button and a paragraph to the page. The button will have the `py-click` attribute, and the paragraph will have the `id` attribute. The `id` attribute is used to identify the element on the page, and the `py-click` attribute will be used to specify the function that will be called when the button is clicked.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Current Time</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<button py-click="current_time()" id="get-time" class="py-button">Get current time</button>
<p id="current-time"></p>
</body>
</html>
```
There are two things to note here:
- You must specify an id for an element that uses any `py-*` attribute
- We used the `py-button` class to style the button, this is optional, and these rules are coming from the pyscript.css that we added in the `<head>` section.
## Creating the Python function
In this step, we will create the Python function that will be called when the button is clicked. This function will get the current time and update the paragraph with the current time. We will use a `<py-script>` tag to specify the Python code that will be executed when the page is loaded.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Current Time</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<button py-click="current_time()" id="get-time" class="py-button">Get current time</button>
<p id="current-time"></p>
<py-script>
import datetime
def current_time():
now = datetime.datetime.now()
</py-script>
</body>
</html>
```
## Writing the time to the page
If you run the example, you will notice that nothing happened. This is because we still need to update the paragraph with the current time. We can do this by using the [`Element` API](../reference/API/element.md) to get the paragraph element and then update it with the current time with the `write` method.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Current Time</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<button py-click="current_time()" id="get-time" class="py-button">Get current time</button>
<p id="current-time"></p>
<py-script>
from pyscript import Element
import datetime
def current_time():
now = datetime.datetime.now()
# Get paragraph element by id
paragraph = Element("current-time")
# Add current time to the paragraph element
paragraph.write(now.strftime("%Y-%m-%d %H:%M:%S"))
</py-script>
</body>
</html>
```
Now, if you refresh the page and click the button, the paragraph will be updated with the current time.

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# Using the fetch from py-config
This tutorial shows how to use the fetch configuration from `py-config` to fetch two files from a remote server, store them in a local directory, and verify their contents.
## Development setup
We will create a todo list application similar to the one in the [examples](https://pyscript.net/examples/todo.html). To do this, we need three things:
* An `index.html` file containing the HTML for the application.
* A `todo.py` file containing the Python code for the application.
* A `utils.py` file containing some utility functions for the application.
We will use the `fetch` configuration from `py-config` to fetch these files from a remote server and store them in a local directory.
### Creating the html file
In this first step, we will create the `index.html` file and import both `pyscript.css` and `pyscript.js`. These are needed to run our Python code in the browser and style the application.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>My Todo</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
## Fetching the files
### Using `fetch` to get the python files
Now we will use the `fetch` configuration from `py-config` to fetch the `todo.py` and `utils.py` files from a remote server and store them in a local directory called `todo`. Here we will fetch files from different URLs, using a `fetch` per item.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>My Todo</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
[[fetch]]
from = "https://pyscript.net/examples/"
files = ["utils.py"]
[[fetch]]
from = "https://gist.githubusercontent.com/FabioRosado/faba0b7f6ad4438b07c9ac567c73b864/raw/37603b76dc7ef7997bf36781ea0116150f727f44/"
files = ["todo.py"]
</py-config>
</body>
</html>
```
## Creating a todo application
### Creating the todo elements
Now we will create the todo elements in the `body` of the `index.html` file.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>My Todo</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
[[fetch]]
from = "https://pyscript.net/examples/"
files = ["utils.py"]
[[fetch]]
from = "https://gist.githubusercontent.com/FabioRosado/faba0b7f6ad4438b07c9ac567c73b864/raw/37603b76dc7ef7997bf36781ea0116150f727f44/"
files = ["todo.py"]
</py-config>
<section>
<div class="text-center w-full mb-8">
<h1 class="text-3xl font-bold text-gray-800 uppercase tracking-tight">To Do List</h1>
</div>
<div>
<input id="new-task-content" class="py-input" type="text">
<button id="new-task-btn" class="py-button" type="submit" py-click="add_task()">
Add task
</button>
</div>
<div id="list-tasks-container" class="flex flex-col-reverse mt-4"></div>
<template id="task-template">
<section class="task py-li-element">
<label for="flex items-center p-2 ">
<input class="mr-2" type="checkbox">
<p class="m-0 inline"></p>
</label>
</section>
</template>
</section>
</body>
</html>
```
Our todo application is starting to shape up, although if you try to add any tasks, you will notice that nothing happens. This is because we have not yet imported the `todo.py` file.
### Importing the needed functions from `todo.py`
This is where the magic happens. We can import the `todo.py` file by adding it as a source to the `py-script` tag. By specifying the file, pyscript will automatically import the file and run the code in it.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>My Todo</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
[[fetch]]
from = "https://pyscript.net/examples/"
files = ["utils.py"]
[[fetch]]
from = "https://gist.githubusercontent.com/FabioRosado/faba0b7f6ad4438b07c9ac567c73b864/raw/37603b76dc7ef7997bf36781ea0116150f727f44/"
files = ["todo.py"]
</py-config>
<py-script>
from todo import add_task, add_task_event
</py-script>
<section>
<div class="text-center w-full mb-8">
<h1 class="text-3xl font-bold text-gray-800 uppercase tracking-tight">To Do List</h1>
</div>
<div>
<input id="new-task-content" class="py-input" type="text">
<button id="new-task-btn" class="py-button" type="submit" py-click="add_task()">
Add task
</button>
</div>
<div id="list-tasks-container" class="flex flex-col-reverse mt-4"></div>
<template id="task-template">
<section class="task py-li-element">
<label for="flex items-center p-2 ">
<input class="mr-2" type="checkbox">
<p class="m-0 inline"></p>
</label>
</section>
</template>
</section>
</body>
</html>
```
You can now save the file and refresh the page. You should now be able to add tasks to your todo list.
## That's it!
You have now created a todo application using pyscript. You can add tasks and mark them as done. Let's take a recap of what we have achieved:
* We have imported three separate files into our `index.html` file using the `py-config` tag.
* We have created the necessary HTML code to create our todo's
* We have imported functions from the `todo.py` file, using the `py-script` tag.
For reference, the code from [the gist](https://gist.githubusercontent.com/FabioRosado/faba0b7f6ad4438b07c9ac567c73b864/raw/37603b76dc7ef7997bf36781ea0116150f727f44/todo.py) is the same code that our [todo example](https://pyscript.net/examples/todo.html) uses with a slight change of importing `Element` from `pyscript`.

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# Setting a pyodide interpreter
Pyscript will automatically set the interpreter for you, but you can also set it manually. This is useful if you want to use a different version than the one set by default.
## Development setup
To get started, let's create a new `index.html` file and import `pyscript.js`.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Interpreter</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
We are using the pyodide CDN to setup our interpreter, but you can also download the files from [the pyodide GitHub releases](https://github.com/pyodide/pyodide/releases/), unzip them and use the `pyodide.js` file as your interpreter.
## Setting the interpreter
To set the interpreter, you can use the `interpreter` configuration in the `py-config` element. In this tutorial, we will use the default `TOML` format, but know that you can also use `json` if you prefer by changing the `type` attribute of the `py-config` element.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Interpreter</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
[[interpreters]]
src = "https://cdn.jsdelivr.net/pyodide/v0.23.0/full/pyodide.js"
name = "pyodide-0.23.0"
lang = "python"
</py-config>
</body>
</html>
```
## Confirming the interpreter version
To confirm that the interpreter is set correctly, you can open the DevTools and check the version from the console. But for the sake of this tutorial, let's create a `py-script` tag and print pyodide's version.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Interpreter</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
[[interpreters]]
src = "https://cdn.jsdelivr.net/pyodide/v0.23.0/full/pyodide.js"
name = "pyodide-0.23.0"
lang = "python"
</py-config>
<py-script>
import pyodide
print(pyodide.__version__)
</py-script>
</body>
</html>
```

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# Calling an API using Requests
This tutorial will show you how to interact with an API using the [Requests](https://requests.readthedocs.io/en/master/) library. Requests is a popular library, but it doesn't work out of the box with Pyscript. We will use the [pyodide-http](https://github.com/koenvo/pyodide-http) library to patch the Requests library, so it works with Pyscript.
We will use the [JSON Placeholder API](https://jsonplaceholder.typicode.com/), a free fake API that returns fake data.
## Development Setup
Let's build the base HTML page to add our `py-config` and `py-script` tags in the next steps.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Requests Tutorial</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
## Installing the dependencies
In this step, we will install the dependencies we need to use the Requests library. We will use the `py-config` tag to specify the dependencies we need to install.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Requests Tutorial</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["requests", "pyodide-http"]
</py-config>
</body>
</html>
```
## Patching the Requests library
Now that we have installed the dependencies, we need to patch the Requests library to work with Pyscript. We will use the `py-script` tag to specify the code that will be executed when the page is loaded.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Requests Tutorial</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["requests", "pyodide-http"]
</py-config>
<py-script>
import pyodide_http
pyodide_http.patch_all()
</py-script>
</body>
</html>
```
## Making a request
Finally, let's make a request to the JSON Placeholder API to confirm that everything is working.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Requests Tutorial</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-config>
packages = ["requests", "pyodide-http"]
</py-config>
<py-script>
import requests
import pyodide_http
# Patch the Requests library so it works with Pyscript
pyodide_http.patch_all()
# Make a request to the JSON Placeholder API
response = requests.get("https://jsonplaceholder.typicode.com/todos")
print(response.json())
</py-script>
</body>
</html>
```
## Conclusion
In this tutorial, we learned how to use the Requests library to make requests to an API. We also learned how to use the `py-config` and `py-script` tags to install dependencies and execute code when the page is loaded.
Depending on the API you use, you may need to add additional headers to your request. You can read the [Requests documentation](https://requests.readthedocs.io/en/master/user/quickstart/#custom-headers) to learn more about how to do this.
You may also be interested in creating your module to make requests. You can read the in-depth guide on [How to make HTTP requests using `PyScript`, in pure Python](../guides/http-requests.md) to learn more about how to do this.

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# How to write content to the page
When creating your PyScript application, you will want to write content to the page. This tutorial will explore the different methods you can use to write content to the page and their differences.
## Development setup
To get started, we will create an `index.html` file, import PyScript and start building on top of it.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
</body>
</html>
```
## Writing content to an element
Let's first see how we can write content to an element on the page. We will start by creating a `div` element with an `id` of `manual-write`, then create a `py-script` tag that, upon a click of a button, will write 'Hello World' to the `div` element.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div id="manual-write"></div>
<button py-click="write_to_page()" id="manual">Say Hello</button>
<py-script>
def write_to_page():
manual_div = Element("manual-write")
manual_div.element.innerText = "Hello World"
</py-script>
</body>
</html>
```
```{note}
When using `py-click` you must supply an `id` to the element you want to use as the trigger.
```
We can now open our `index.html` file and click the button. You will see that "Hello World" will appear in the `div` element. You could also write HTML using `manual_div.element.innerHTML` instead of `innerText`. For example:
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div id="manual-write"></div>
<button py-click="write_to_page()" id="manual">Say Hello</button>
<py-script>
def write_to_page():
manual_div = Element("manual-write")
manual_div.element.innerHTML = "<p><b>Hello World</b></p>"
</py-script>
</body>
</html>
```
## Writing content with the `display` API
The `display` API is a simple way to write content to the page. Not only does it allow you to write content to the page, but it also allows you to display a range of different content types such as images, markdown, svgs, json, etc.
Using the' display' API, let's reuse our previous example and write "Hello World" to the page.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div id="manual-write"></div>
<button py-click="write_to_page()" id="manual">Say Hello</button>
<div id="display-write"></div>
<button py-click="display_to_div()" id="display">Say Things!</button>
<py-script>
def write_to_page():
manual_div = Element("manual-write")
manual_div.element.innerHTML = "<p><b>Hello World</b></p>"
def display_to_div():
display("I display things!", target="display-write")
</py-script>
</body>
</html>
```
```{note}
When using the `display` API, you must specify the `target` parameter to tell PyScript where to write the content. If you do not use this parameter, an error will be thrown.
```
You may be interested in reading more about the `display` API in the [Display API](../reference/api/display) section of the documentation.
## Printing to the page
We couldn't have a tutorial on writing to the page without mentioning the `print` function. The `print` function is a simple way to write content to the page, that any Python developer will be familiar with. When you use the `print` function, the content will be written to the page in a `py-terminal` element.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div id="manual-write"></div>
<button py-click="write_to_page()" id="manual">Say Hello</button>
<div id="display-write"></div>
<button py-click="display_to_div()" id="display">Say Things!</button>
<button py-click="print_to_page()" id="print">Print Things!</button>
<py-script>
def write_to_page():
manual_div = Element("manual-write")
manual_div.element.innerHTML = "<p><b>Hello World</b></p>"
def display_to_div():
display("I display things!", target="display-write")
def print_to_page():
print("I print things!")
</py-script>
</body>
</html>
```
You may be surprised to see that when you click the "Print Things!" button, the content is written below the rest of the elements on the page in a black canvas. This is because the `print` function writes content to the page in a `py-terminal` element. You can read more about the `py-terminal` element in the [Terminal Element](../reference/plugins/py-terminal) section of the documentation.
PyScript comes with the `py-terminal` plugin by default and any `stdout` or `stderr` content will be shown in this element. We can be explicit about where we want the terminal to be shown by adding the `<py-terminal>` tag to our HTML.
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Writing to the page</title>
<link rel="stylesheet" href="https://pyscript.net/latest/pyscript.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div id="manual-write"></div>
<button py-click="write_to_page()" id="manual">Say Hello</button>
<div id="display-write"></div>
<button py-click="display_to_div()" id="display">Say Things!</button>
<div>
<py-terminal>
</div>
<button py-click="print_to_page()" id="print">Print Things!</button>
<py-script>
def write_to_page():
manual_div = Element("manual-write")
manual_div.element.innerHTML = "<p><b>Hello World</b></p>"
def display_to_div():
display("I display things!", target="display-write")
def print_to_page():
print("I print things!")
</py-script>
</body>
</html>
```

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<html>
<head>
<title>Altair</title>
<meta charset="utf-8" />
<link rel="icon" type="image/x-icon" href="./favicon.png" />
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<link rel="stylesheet" href="./assets/css/examples.css" />
<style>
py-script {
display: none;
}
</style>
<script
type="module"
src="https://esm.sh/@pyscript/core@latest/core.js"
></script>
</head>
<body>
<nav class="navbar" style="background-color: #000000">
<div class="app-header">
<a href="/">
<img src="./logo.png" class="logo" />
</a>
<a class="title" href="" style="color: #f0ab3c">Altair</a>
</div>
</nav>
<section class="pyscript">
<div id="altair"></div>
<py-tutor>
<py-config>
packages = [
"altair",
"pandas",
"vega_datasets"
]
plugins = [
"https://pyscript.net/latest/plugins/python/py_tutor.py"
]
</py-config>
<py-script>
from pyscript import display
import altair as alt
from vega_datasets import data
source = data.movies.url
pts = alt.selection(type="single", encodings=['x'])
rect = alt.Chart(data.movies.url).mark_rect().encode(
alt.X('IMDB_Rating:Q', bin=True),
alt.Y('Rotten_Tomatoes_Rating:Q', bin=True),
alt.Color('count()',
scale=alt.Scale(scheme='greenblue'),
legend=alt.Legend(title='Total Records')
)
)
circ = rect.mark_point().encode(
alt.ColorValue('grey'),
alt.Size('count()',
legend=alt.Legend(title='Records in Selection')
)
).transform_filter(
pts
)
bar = alt.Chart(source).mark_bar().encode(
x='Major_Genre:N',
y='count()',
color=alt.condition(pts, alt.ColorValue("steelblue"), alt.ColorValue("grey"))
).properties(
width=550,
height=200
).add_selection(pts)
display(alt.vconcat(
rect + circ,
bar
).resolve_legend(
color="independent",
size="independent"
), target="altair")
</py-script>
</py-tutor>
</section>
</body>
</html>

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<html>
<head>
<title>Antigravity</title>
<meta charset="utf-8" />
<link rel="icon" type="image/x-icon" href="./favicon.png" />
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<link rel="stylesheet" href="./assets/css/examples.css" />
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<nav class="navbar" style="background-color: #000000">
<div class="app-header">
<a href="/">
<img src="./logo.png" class="logo" />
</a>
<a class="title" href="" style="color: #f0ab3c">Antigravity</a>
</div>
</nav>
<py-tutor modules="antigravity.py">
<section class="pyscript">
<py-config>
plugins = [
"https://pyscript.net/latest/plugins/python/py_tutor.py"
]
[[fetch]]
files = ["./antigravity.py"]
</py-config>
<b>Based on xkcd: antigravity https://xkcd.com/353/.</b>
<py-script>
import antigravity
antigravity.fly()
</py-script>
</section>
</py-tutor>
</body>
</html>

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@@ -1,19 +1,18 @@
import random
import sys
from js import DOMParser, document, setInterval
from pyodide import create_proxy
from pyodide.ffi import create_proxy
from pyodide.http import open_url
class Antigravity:
url = "./antigravity.svg"
def __init__(self, target=None, interval=10, append=True, fly=False):
target = target or sys.stdout._out
self.target = (
document.getElementById(target) if isinstance(target, str) else target
document.getElementById(target)
if isinstance(target, str)
else document.body
)
doc = DOMParser.new().parseFromString(
open_url(self.url).read(), "image/svg+xml"

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body {
margin: 0;
}
.pyscript {
margin: 0.5rem;
}
.code {
display: flex;
position: absolute;
right: 0px;
z-index: 9998;
top: 7rem;
}
@media (max-width: 1300px) {
.code:has(> .code-section-visible) {
width: 90%;
/* Absolute position is messing up the layout on small screens */
right: 70px;
}
}
.code-section-hidden {
width: 0px;
display: none;
}
.code-section-visible {
display: flex;
flex-direction: column;
width: 100%;
background-color: rgb(45 46 53 / 90%);
padding: 1rem;
border-radius: 10px 0px 0px 10px;
color: #c6c6c8;
}
.code-section-visible p {
margin: 0;
font-style: italic;
font-size: small;
}
.language-html,
.language-python {
float: left;
}
#view-code-button {
writing-mode: tb-rl;
text-orientation: sideways-right;
background-color: #1d1d22;
color: white;
padding: 0.5rem;
border-radius: 5px;
cursor: pointer;
height: 81px;
}
nav {
position: sticky;
width: 100%;
top: 0;
left: 0;
z-index: 9999;
}
.logo {
padding-right: 10px;
font-size: 28px;
height: 30px;
max-width: inherit;
}
.title {
text-decoration: none;
text-decoration-line: none;
text-decoration-style: initial;
text-decoration-color: initial;
font-weight: 400;
font-size: 1.5em;
line-height: 2em;
white-space: nowrap;
}
.app-header {
display: flex;
align-items: center;
padding: 0.5rem 1rem;
}

View File

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.example {
margin-bottom: 5rem;
}
.example h2 {
/* color: #000000; */
font-family: "Inconsolata", monospace;
font-size: 2.25rem;
margin-bottom: 1rem;
}
.card {
height: 15rem;
background-color: var(--color-secondary);
padding: 1rem;
border-radius: 10px;
}
.card:hover,
.card:hover a,
.card:hover a:visited,
.card:hover h2 {
background-color: var(--color-primary);
color: #1d1d22;
}
.card a h2 {
color: var(--color-primary);
margin: 0;
font-family: "Inconsolata", monospace;
font-size: 2.25rem;
}
.card a p {
color: var(--text-color);
}
a .card {
height: 100%;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.card-content {
height: 100%;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.card-content a,
.card-content a:visited {
color: var(--color-primary);
}
.container-card {
max-width: 1500px;
margin: 0 auto;
display: grid;
gap: 1rem;
}
@media (min-width: 600px) {
.container-card {
grid-template-columns: repeat(2, 1fr);
}
}
@media (min-width: 900px) {
.container-card {
grid-template-columns: repeat(4, 1fr);
}
}

View File

@@ -0,0 +1,25 @@
@import url("https://fonts.googleapis.com/css2?family=Inconsolata:wght@400;700&display=swap");
@import "./variables.css";
@import "./reset.css";
body {
background: #2d2e35
url("https://assets.anaconda.com/production/Content/1650828148240.png?w=3240&auto=compress%2Cformat&fit=crop&dm=1650828161&s=c558dc55e0ed1f8419a892e842a5728f")
repeat-x center bottom / 250px;
background-attachment: fixed;
overflow-x: hidden;
color: var(--text-color);
}
.container {
max-width: 1510px;
margin: auto;
padding: 0 2rem;
}
.title-main {
font-size: 4.25rem;
font-family: "Inconsolata", monospace;
text-align: center;
margin: 2rem 0;
}

View File

@@ -0,0 +1,22 @@
*,
*:after,
*:before {
margin: 0;
padding: 0;
box-sizing: border-box;
text-decoration: none;
}
body {
font-size: 100%;
list-style-type: none;
}
p {
font-family: "Inconsolata", monospace;
font-weight: 400;
}
a {
text-decoration: none;
}

View File

@@ -0,0 +1,6 @@
:root {
--color-primary: #fda703;
--color-secondary: #1d1d22;
--text-color: white;
--card-shadow: 0px 5px 11px 0px rgb(0 0 0 / 15%);
}

3
examples/assets/prism/prism.min.css vendored Normal file
View File

@@ -0,0 +1,3 @@
/* PrismJS 1.29.0
https://prismjs.com/download.html#themes=prism-okaidia&languages=markup+clike+javascript+python */
code[class*=language-],pre[class*=language-]{color:#f8f8f2;background:0 0;text-shadow:0 1px rgba(0,0,0,.3);font-family:Consolas,Monaco,'Andale Mono','Ubuntu Mono',monospace;font-size:1em;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none}pre[class*=language-]{padding:1em;margin:.5em 0;overflow:auto;border-radius:.3em}:not(pre)>code[class*=language-],pre[class*=language-]{background:#272822}:not(pre)>code[class*=language-]{padding:.1em;border-radius:.3em;white-space:normal}.token.cdata,.token.comment,.token.doctype,.token.prolog{color:#8292a2}.token.punctuation{color:#f8f8f2}.token.namespace{opacity:.7}.token.constant,.token.deleted,.token.property,.token.symbol,.token.tag{color:#f92672}.token.boolean,.token.number{color:#ae81ff}.token.attr-name,.token.builtin,.token.char,.token.inserted,.token.selector,.token.string{color:#a6e22e}.language-css .token.string,.style .token.string,.token.entity,.token.operator,.token.url,.token.variable{color:#f8f8f2}.token.atrule,.token.attr-value,.token.class-name,.token.function{color:#e6db74}.token.keyword{color:#66d9ef}.token.important,.token.regex{color:#fd971f}.token.bold,.token.important{font-weight:700}.token.italic{font-style:italic}.token.entity{cursor:help}

7
examples/assets/prism/prism.min.js vendored Normal file

File diff suppressed because one or more lines are too long

View File

@@ -0,0 +1,29 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Async Await BLOCKING LOOP Pyscript Twice</title>
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<py-script>
import js
import asyncio
for i in range(3):
js.console.log('A', i)
await asyncio.sleep(0.1)
</py-script>
<py-script>
import js
import asyncio
for i in range(3):
js.console.log('B', i)
await asyncio.sleep(0.1)
</py-script>
</body>
</html>

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@@ -0,0 +1,45 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Async Await BLOCKING LOOP Pyscript Twice</title>
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div>
Pyscript - FIRST ASYNC WITH INVOKED LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
async def asyncCallLoop1():
for i in range(3):
js.console.log('A', i)
await asyncio.sleep(2)
asyncCallLoop1()
</py-script>
</div>
<div>
Pyscript - SECOND ASYNC WITH INVOKED LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
async def asyncCallLoop2():
for i in range(3):
js.console.log('B', i)
await asyncio.sleep(2)
asyncCallLoop2()
</py-script>
</div>
</body>
</html>

View File

@@ -0,0 +1,42 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Async Await BLOCKING LOOP Pyscript Twice</title>
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div>
Pyscript - FIRST ASYNC WITH INVOKED LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
async def asyncCallLoop1():
for i in range(3):
js.console.log('A', i)
await asyncio.sleep(2)
asyncCallLoop1()
</py-script>
</div>
<div>
Pyscript - SECOND ASYNC WITH TOP-LEVEL LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
for i in range(3):
js.console.log('B', i)
await asyncio.sleep(2)
</py-script>
</div>
</body>
</html>

View File

@@ -0,0 +1,45 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Async Await NON-BLOCKING Pyscript Twice</title>
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div>
Pyscript - FIRST ASYNC WITH NON-BLOCKING AWAIT AT ONE LEVEL LOWER
THAN LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
async def asyncCall1():
await asyncio.sleep(2)
for i in range(3):
js.console.log('A', i)
asyncCall1()
</py-script>
</div>
<div>
Pyscript - SECOND ASYNC WITH NON-BLOCKING AWAIT AT ONE LEVEL LOWER
THAN LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
async def asyncCall2():
await asyncio.sleep(2)
for i in range(3):
js.console.log('B', i)
asyncCall2()
</py-script>
</div>
</body>
</html>

View File

@@ -0,0 +1,39 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1" />
<title>Async Await BLOCKING LOOP Pyscript Twice</title>
<link
rel="stylesheet"
href="https://pyscript.net/latest/pyscript.css"
/>
<script defer src="https://pyscript.net/latest/pyscript.js"></script>
</head>
<body>
<div>
Pyscript - FIRST ASYNC WITH TOP-LEVEL LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
for i in range(3):
js.console.log('A', i)
await asyncio.sleep(2)
</py-script>
</div>
<div>
Pyscript - SECOND ASYNC WITH TOP-LEVEL LOOP BLOCKING AWAIT AT SAME
LEVEL AS LOOP Pyscript writing to console.log:
<py-script>
import js
import asyncio
for i in range(3):
js.console.log('B', i)
await asyncio.sleep(2)
</py-script>
</div>
</body>
</html>

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