Python Development

This is a dense reference sheet for Python desktop development, especially if you're working with wxPython. It covers version-specific features through Python 3.14, pyproject.toml setup, PyInstaller packaging gotchas, wxPython sizers and event handling, and cross-platform considerations. The common pitfalls section is genuinely useful: things like mutable default arguments, late binding in closures, and the critical reminder to never touch GUI elements from worker threads. The threading guidance alone (wx.CallAfter, wx.PostEvent) will save you from hard-to-debug crashes. It's clearly written by someone who has shipped desktop apps and knows where people get stuck.