* 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
* simplify the code in _set_version_info, while I'm at it
* start to implement DeprecatedGlobal
* DeprecatedGlobal.__getattr__
* don't show the same warning twice
* DeprecatedGlobal.__call__
* make it possible to specify a different warning message for every global
* WIP: carefully use DeprecatedGlobal to show reasonable warning messages depending on which name you are accessing to. More names to follow
* deprecate more names
* deprecate private names
* depreacte direct usage of console and document
* deprecate the PyScript class
* use a better error message
* fix test_pyscript.py
* introduce a __repr__ for DeprecatedGlobal
* add an helper to ensure that we don't show any error or warning on the page
* WIP: ensure that examples don't use depreacted features. Many tests are failing
* don't deprecate Element
* don't use the global micropip to install packages, else we trigger a warning
* use a better error message for micropip
* fix test_todo_pylist to avoid using deprecated globals
* fix test_webgl_raycaster
* fix tests
* make HTML globally available
* add MIME_RENDERERS and MIME_METHODS
* fix the typing of Micropip, thanks to @FabioRosado
* Fake server 404 support
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* 404 test
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* fix test
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* test fix
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* add test and example files
* update config to include python plugins in build
* add markdown plugin
* remove full pyscript execution from pyodide
* move loading of pyscript.py from pyodide loagInterpreter to main setupVirtualEnv and add function to create python CE plugins
* add plugin class to pyscript.py
* add missing import
* fix plugin path
* add fetchPythonPlugins to PyScriptApp
* remove old comments
* fix test
* add support for python plugins beyond custom elements and add app to python namespace in main
* inject reference to PyScript app onto python plugins
* add example hook onto markdown plugin
* change plugin events logs
* remove unused PyPlugin
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* fix type import
* add docstring to fetchPythonPlugins
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* rename addPythonPlugin method
* address PR comment
* call python plugins on hooks after the interpreted is ready
* add test for event hooks and split the test in 2 separate plugins to isolte type of plugins tests
* change python plugins initialization and registration, to inject the app from app itself instead of on the plugins themselves
* handle case when plugin cannot load due to missing plugin attribute
* add test for fail scenario when a plugin module does not have a plugin attribute
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* add deprecation warning for pyscript objects loaded in global namespace
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* remove all from global scope
* remove create_custom_element from global scope
* rename create_custom_element to define_custom_element
* rename attributes in define_custom_element and add docstrings
* better handle connect event output
* add warning to py_markdown plugin
* remove debugging logs
* improve tests
* remove debugging log
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* remove unused import
* add executable shebang
* add pyodide mock module
* fmt and lint
* Update to pyodide.ffi.create_proxy per pyodide v21 api change
* Mock pyodide as package instead of mdoule
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* add __init__ to pyodide package
* Update pyscriptjs/src/plugin.ts
fix logger name
Co-authored-by: Antonio Cuni <anto.cuni@gmail.com>
* fix pyodide import but handling the diff in their API change
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* Fix failing integration tests
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* 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
* 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
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.
* 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
* 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
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* Address antocuni's review
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* Fixing more tests
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* 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
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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.
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 :).
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
* 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>
