Python Plugins (#961)

* 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

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

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* fix type import

* add docstring to fetchPythonPlugins

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

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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

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

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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

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

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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

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

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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>

pyscriptjs/tests/integration/test_py_inputbox.py

@@ -13,13 +13,13 @@ class TestPyInputBox(PyScriptTest):
             </py-inputbox>
             """
         )
-        assert self.console.log.lines == [self.PY_COMPLETE]
+        assert self.console.log.lines[0] == self.PY_COMPLETE
         input = self.page.locator("input")
 
         input.type("Hello")
         input.press("Enter")
 
-        assert self.console.log.lines == [self.PY_COMPLETE, "Hello"]
+        assert self.console.log.lines[-1] == "Hello"
 
     def test_deprecated_element(self):
         self.pyscript_run(