Package: pygbag
pygbagPython WebAssembly for everyone ( packager + test server )Runs python code directly in modern web browsers, including mobile versions."your.app.folder" must contain a main.py and its loop must be async aware eg:importasyncio# Try to declare all your globals at once to facilitate compilation later.COUNT_DOWN=3# Do init here# Load any assets right now to avoid lag at runtime or network errors.asyncdefmain():globalCOUNT_DOWN# avoid this kind declaration, prefer the way aboveCOUNT_DOWN=3whileTrue:# Do your rendering here, note that it's NOT an infinite loop,# and it is fired only when VSYNC occurs# Usually 1/60 or more times per seconds on desktop# could be less on some mobile devicesprint(f"""Hello[{COUNT_DOWN}] from Python""")# pygame.display.update() should go right next lineawaitasyncio.sleep(0)# Very important, and keep it 0ifnotCOUNT_DOWN:returnCOUNT_DOWN=COUNT_DOWN-1# This is the program entry point:asyncio.run(main())# Do not add anything from here, especially sys.exit/pygame.quit# asyncio.run is non-blocking on pygame-wasm and code would be executed# right before program start main()Usage:pip3 install pygbag --user --upgrade
pygbag your.app.folderCommand help:pygbag --help your.app.folderExample :user@pp /data/git/pygbag $ py -m pygbag --help test/main.py
 *pygbag 0.8.2*
115: cache 0.7.2 mismatch, want 0.8.2, cleaning ...

Serving python files from [/data/git/pygbag/test/build/web]

with no security/performance in mind, i'm just a test tool : don't rely on me
usage: __main__.py [-h] [--bind ADDRESS] [--PYBUILD PYBUILD] [--app_name APP_NAME] [--ume_block UME_BLOCK] [--can_close CAN_CLOSE] [--cache CACHE] [--package PACKAGE] [--title TITLE] [--version VERSION] [--build] [--html] [--no_opt] [--archive] [--icon ICON] [--cdn CDN] [--template TEMPLATE] [--ssl SSL]
                   [--port [PORT]]

options:
  -h, --help            show this help message and exit
  --bind ADDRESS        Specify alternate bind address [default: localhost]
  --PYBUILD PYBUILD     Specify python version [default:3.11]
  --app_name APP_NAME   Specify user facing name of application [default:test]
  --ume_block UME_BLOCK
                        Specify wait for user media engagement before running [default:1]
  --can_close CAN_CLOSE
                        Specify if window will ask confirmation for closing [default:0]
  --cache CACHE         md5 based url cache directory
  --package PACKAGE     package name, better make it unique
  --title TITLE         App nice looking name
  --version VERSION     override prebuilt version path [default:0.8.2]
  --build               build only, do not run test server
  --html                build as html with embedded assets (pygame-script)
  --no_opt              turn off assets optimizer
  --archive             make build/web.zip archive for itch.io
  --icon ICON           icon png file 32x32 min should be favicon.png
  --cdn CDN             web site to cache locally [default:https://pygame-web.github.io/archives/0.8/]
  --template TEMPLATE   index.html template [default:default.tmpl]
  --ssl SSL             enable ssl with server.pem and key.pem
  --port [PORT]         Specify alternate port [default: 8000]unlisted developper options:--git               force cdn use of pygbag current git github CI build
--dev               change port to 8666 and use local build served on 8000Now navigate tohttp://localhost:8000with a modern internet browser.Usehttp://localhost:8000?-ifor getting a terminal with repl
and a sized down canvas (http://localhost:8000#debugalso does the same )For pygame-script go tohttp://localhost:8000/test.html( for a game folder named "test" with option --html )V8 based browsers are preferred ( chromium/brave/chrome ... )
starting with 81.0.4044 ( android 4.4 ).
Because they set baseline restrictions on WebAssembly loading.
Using them while testing ensure proper operation on all browsersNOTES:pygbag only provides support for pygame-ce ( pygame community edition )safari/chrome mobile will not run until version ios 15.xfirst load will be slower, because setting up local cache from cdn to avoid
useless network transfer for getting pygame and cpython prebuilts.each time there's a major change in the code/assets/template
you must runpygbag your.app.folderbut
cache will not be destroyed to save bandwidth.if you want to reset prebuilts cache, remove the build/web-cache folder in
your.app.folderpyodide wheels (non-standard wasm) aren't compatible ootb with pygbag runtimeHISTORY:pygbag's concepts took roots in a 2016 Panda3D community experiment.BUILDING:Pygbag is not only a python module and its python runtimes are stored online !
Rebuilding all the toolchain can be quite hard.https://github.com/pygame-web/python-wasm-sdk<= build CPython (not pyodide)The default is to build only pygame, but feel free to fork and add yours.So read/use pygbag CI to see how to build pygame + the C loader (pymain) and
how it is linked it to libpython.
For modules loading since 0.6 the default is to use wasm dynamic libraries.wasm wheels info herehttps://github.com/pygame-web/pygbagDefault prebuilts CPython + pygame-ce used by pygbag are stored via github pages
from the repohttps://github.com/pygame-web/archivesunder versioned folders.TEST INTERACTIVE REPL 3.11 (default)TEST INTERACTIVE REPL 3.12 (next)ADDING STATIC/DYNAMIC MODULES:see in package.d directory and use vendor/vendor.shSUPPORT FOR STATIC/DYNAMIC MODULES:see in package.d/<vendor>/README.md for module <vendor> specific supportvendor readme (if applicable)GENERIC PYGBAG SUPPORT OR PYGAME MODULE:for generic help around pygbagGENERIC CPYTHON WASM:python.org forum