Extension Actions

Reusable GitHub Actions and GitHub Apps supporting Python Project Templates.

• Actions website

• Python Project Templates on GitHub

Extension Actions is not affiliated with GitHub.

GitHub Apps

App	Source	Service	Description
Copier Update	actions-ext/copier-update	updates.python-templates.dev	Updates Copier-managed repositories and opens update pull requests.
Automerge	actions-ext/automerge	automerge.python-templates.dev	Merges labeled pull requests after checks finish and GitHub permits the merge.

GitHub Actions

General

Action	Reference	Description
Initialize variables	actions-ext/general/initialize-variables	Initializes variables from push, pull request, and manual workflow events.
Yardang Build	actions-ext/yardang	Installs Yardang, builds Sphinx documentation, and deploys GitHub Pages.

Copier

Action	Reference	Description
Copier Update	actions-ext/copier/update	Updates a Copier-managed repository from its upstream template.
Copier Update (legacy)	actions-ext/copier-update	Legacy compatibility action; replaced by actions-ext/copier/update.

C++

Action	Reference	Description
Setup C++	actions-ext/cpp/setup	Configures the C++ toolchain, clang-format, and compiler caching.
Setup vcpkg cache	actions-ext/cpp/setup-vcpkg-cache	Prepares a vcpkg checkout and caches binary packages.

Node.js

Action	Reference	Description
Setup Node	actions-ext/node/setup	Installs Node.js and configures pnpm caching.

Python

Action	Reference	Description
Setup Python	actions-ext/python/setup	Installs Python and configures pip and uv caching.
Setup cibuildwheel	actions-ext/python/setup-cibuildwheel	Installs cibuildwheel and configures caching.
Setup cibuildwheel cache	actions-ext/python/setup-cibuildwheel-cache	Configures cibuildwheel caching.
Run cibuildwheel	actions-ext/python/run-cibuildwheel	Builds Python wheels with cibuildwheel.
Upload distribution	actions-ext/python/upload-dist	Uploads Python wheel or source-distribution artifacts.
Download distribution	actions-ext/python/download-dist	Downloads and installs Python wheel or source-distribution artifacts.
Test wheel	actions-ext/python/test-wheel	Installs a wheel in a fresh environment and verifies a module import.
Test source distribution	actions-ext/python/test-sdist	Installs a source distribution in a fresh environment and verifies a module import.

Rust

Action	Reference	Description
Setup Rust	actions-ext/rust/setup	Installs the Rust compiler and utilities and configures caching.