picop#

Fast CPython C-API helpers for Cython — typed hot-path wrappers plus C-backed UUID values.

Requires Python ≥ 3.14. Prefer import picop (the deprecated cypy soft alias emits DeprecationWarning and will be removed in 3.0).

Start here#

Guide

What you get

Install

PyPI, git, and editable installs

Quickstart

Smoke tests, picop.hot, Cython cimport

Safety

Trusted-caller footguns

Coverage

Core / Protocols / Runtime tiers

API reference

Python API reference

What’s new

Changelog

from picop.hot import bytes_len, dict_get, list_len, str_len

assert bytes_len(b"ok") == 2
assert str_len("hi") == 2
assert dict_get({"a": 1}, "a") == 1
assert list_len([1, 2]) == 2

Contributor process (pipeline, module trackers) lives under the repository docs/ tree and is not part of this public site.