Build yourself a PyScript

Slides for PyCon 2023.

Agenda:

Intro.
- Who are we
- What is PyScript?
Get Python
- The simplest PyScript / HTMLElement example
- Let's add MicroPython for the MVP
Python's context
- Multiple interpreters underneath the PyScript platform:
  - CPython 3.11 WASM target
  - Pyodide
  - MicroPython
  - Weird shit that you should know is out there
- Emscripten (filesystem and other libc shims)
- Packaging (micropip) <py-conf>
- ...
Interacting with the browser (quick fire round to get the opponent to submit)
- Performance "budget": load/startup time, memory, battery (Paul)
- Accessing the DOM (Nicholas)
- Storage (filesystem, db) (Paul)
- Don't block the main thread (Nicholas)
- Handling events (Paul)
- Web workers (Nicholas)
- Synchronous Python in async browsers (Paul)
- ...
Final thoughts / sign-posts
- Building frameworks (see PyperCard)
- Open source... come play!
- Other talks at this year's PyCon
Questions