feat: Official Nox GitHub Action (#594)

* feat: adding native composite github action

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* docs: mention action

* fix: use current version of Nox

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

* fix: minor style fixes from lint

Co-authored-by: Tom Fleet <tomfleet2018@gmail.com>

action.yml

@@ -0,0 +1,35 @@
+name: Setup Nox
+description: 'Prepares all python versions for nox'
+branding:
+  icon: package
+  color: blue
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "pypy-3.7"
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "pypy-3.8"
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "pypy-3.9"
+
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "3.7"
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "3.8"
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "3.9"
+    - uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+
+    - name: "Install nox"
+      run: pipx install '${{ github.action_path }}'
+      shell: bash

docs/tutorial.rst

@@ -27,17 +27,18 @@ Or you can be extra fancy and use `pipx`_:
 
 Either way, Nox is usually installed *globally*, similar to ``tox``, ``pip``, and other similar tools.
 
-If you're interested in running ``nox`` within `docker`_, you can use the `thekevjames/nox images`_ on DockerHub which contain builds for all ``nox`` versions and all supported ``python`` versions.
+If you're interested in running ``nox`` within `docker`_, you can use the `thekevjames/nox images`_ on DockerHub which contain builds for all ``nox`` versions and all supported ``python`` versions. Nox is also supported via ``pipx run nox`` in the `manylinux images`_.
 
-If you want to run ``nox`` within `GitHub Actions`_, you can use the `excitedleigh/setup-nox action`_, which installs the latest ``nox`` and makes available all Python versions provided by the GitHub Actions environment.
+If you want to run ``nox`` within `GitHub Actions`_, you can use the `wntrblm/nox action`_, which installs the latest ``nox`` and makes available all active CPython and PyPY versions provided by the GitHub Actions environment. You can safely combine this with with ``setup-python`` for past end-of-life or development versions of Python, as well.
 
 .. _pip: https://pip.readthedocs.org
 .. _user site: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
 .. _pipx: https://packaging.python.org/guides/installing-stand-alone-command-line-tools/
 .. _docker: https://www.docker.com/
 .. _thekevjames/nox images: https://hub.docker.com/r/thekevjames/nox
 .. _GitHub Actions: https://github.com/features/actions
-.. _excitedleigh/setup-nox action: https://github.com/marketplace/actions/setup-nox
+.. _wntrblm/nox action: https://github.com/marketplace/actions/nox
+.. _manylinux images: https://github.com/pypa/manylinux
 
 Writing the configuration file
 ------------------------------

pyproject.toml

@@ -42,6 +42,7 @@ ignore_missing_imports = true
 
 [tool.check-manifest]
 ignore = [
+    "action.yml",
     "docs/**",
     "noxfile.py",
     "requirements-conda-test.txt",