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Implement asyncio guest mode and with sample code work with it

Purpose

  1. Make asyncio work with all GUI frameworks, sample code be implemented in tornado, pygame, tkinter, gtk, qt5, win32, pyside6
  2. Make webview_python library support call async python from javascript a. https://github.com/congzhangzh/webview_python b. congzhangzh/webview_python#1

Core implement part

Design: ./design_en.md

  1. guest mode implemented here: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_run.py
  2. python stdlib patch here: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/patches/base_events.diff

GUI support status

Framework Windows Linux Mac
Tkinter ✅ ✅ ❓
Win32 ✅ ➖ ➖
GTK ❓ ✅ ❓
QT ✅ ✅ ❓
PySide6 ✅ ✅ ❓
Pygame ✅ ✅ ❓
Tornado ✅ ✅ ❓

Sample reference

  1. Tkinter: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_tkinter.py
  2. Win32: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_win32.py
  3. GTK: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_gtk.py
  4. QT: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_qt5.py
  5. PySide6: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_pyside6.py
  6. Pygame: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_pygame.py
  7. Tornado: https://github.com/congzhangzh/asyncio-guest/blob/master/asyncio_guest/asyncio_guest_tornado.py

Solution inspired by:

  1. https://www.electronjs.org/blog/electron-internals-node-integration
  2. https://trio.readthedocs.io/en/stable/reference-lowlevel.html#using-guest-mode-to-run-trio-on-top-of-other-event-loops
  3. https://github.com/sunoru/Webviews.jl/blob/main/src/platforms/windows/Impl.jl#L59

Samples inspire by

  1. https://github.com/richardsheridan/trio-guest

Discuss with other guys

  1. https://discuss.python.org/t/connecting-asyncio-and-tkinter-event-loops/14722/33
  2. congzhangzh/webview_python#1
  3. webview/webview_deno#185

Some early attempts:

  1. https://github.com/congzhangzh/python_gui_with_asyncio
  2. Where all important iteration happend: https://github.com/congzhangzh/asyncio_guest_run/tree/main/v2