Python Extension Packages

pyxirr

Rust-powered collection of financial functions.

wasmer

🐍🕸 WebAssembly runtime for Python

wasmer-compiler-cranelift

🐍🕸 WebAssembly runtime for Python

fastobo

Faultless AST for Open Biomedical Ontologies in Python.

tsv2py

Parser and generator for PostgreSQL-compatible tab-separated values (TSV)

order-book

A fast L2/L3 orderbook data structure, in C, for Python

radixor-c

A multilingual stemming engine by Egothor.

debugpy-run

Finds and runs debugpy for VS Code "remote attach" command line debugging.

uv-ffi

PyO3 FFI layer for uv's pip_install internals — call uv directly from Python without CLI overhead. Fork of astral-sh/uv v0.10.8.

barcode-qr-code-sdk

Build Python barcode QR code SDK with Dynamsoft Barcode Reader.

ftcheck

Find free-threading bugs in Rust/PyO3 Python extensions: data races, crashes and hangs that only appear without the GIL. Runs your own tests across threads under ThreadSanitizer, plus a static lint and a stress mode.

volas

🚀 Rust-backed pandas-shaped DataFrame for live OHLCV data: 254 indicators, incremental O(lookback) refresh, NumPy/Torch output.

iocursor

A zero-copy file-like wrapper for Python byte buffers, inspired by Rust's std::io::Cursor.

radixor

A multilingual stemming engine by Egothor.

rspx

rust extensions for python

bartons

Financial and technical-analysis expressions for Polars, implemented in Rust

gmalglib

C 语言实现的国密基础算法 Python 扩展库

xmlstarlet

XMLStarlet Toolkit: Python CFFI bindings

pyegui

Immediate mode GUI library

mrz-scanner-sdk

Python MRZ scanner SDK built with Dynamsoft Label Recognizer

radixor-models-standard

A multilingual stemming engine by Egothor.

wasmer-compiler-singlepass

🐍🕸 WebAssembly runtime for Python

wrtc

Chrome's WebRTC engine (libwebrtc M152), with the browser API, in Python

pydevices-lvgl

Native LVGL extension for CPython, Android, and WebAssembly; publishes pydevices-lvgl.