Practical Python tools. A closer look at the code beneath them.
让工具更顺手，让原理更清楚。
Explore pydu · Read Python internals · Browse projects
FlagGo brings together reusable Python utilities and notes on Python's implementation. Pick up a tool for your next project, or follow an idea down into the source.
pydu collects useful data structures and utilities for Python 3.9+, drawn from open-source projects and contributor ideas.
pip install pydu
English docs → · 中文文档 · Report an issue
《Python 3 源码剖析》 is a Chinese-language exploration of Python 3.7 internals, inspired by 陈儒's《Python 源码剖析》.
从日常使用走向底层实现，一起探索 Python 背后的原理。欢迎补充讲解、修正文中的错误，分享你对源码的理解。
Read online / 在线阅读 → · Source & contributions
A useful utility, a reproducible bug report, or a clearer explanation can all help. Open an issue in the relevant project or send a focused pull request.
Set a flag. Take the next step.