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description: "Set up a specific version of Python and add the command-line tools to the PATH."
author: "GitHub"
inputs:
python-version:
description: "Version range or exact version of Python or PyPy to use, using SemVer's version range syntax. Reads from .python-version if unset."
python-version-file:
description: "File containing the Python version to use. Example: .python-version"
cache:
description: "Used to specify a package manager for caching in the default directory. Supported values: pip, pipenv, poetry."
required: false
architecture:
description: "The target architecture (x86, x64, arm64) of the Python or PyPy interpreter."
check-latest:
description: "Set this option if you want the action to check for the latest available version that satisfies the version spec."
default: false
token:
description: "The token used to authenticate when fetching Python distributions from https://github.com/actions/python-versions. When running this action on github.com, the default value is sufficient. When running on GHES, you can pass a personal access token for github.com if you are experiencing rate limiting. This token is only sent to GitHub-owned hosts, never to a custom 'mirror'."
description: "Base URL for downloading Python distributions (only applies to CPython; PyPy and GraalPy are unaffected). Defaults to https://raw.githubusercontent.com/actions/python-versions/main. See docs/advanced-usage.md for details."
description: "Token used to authenticate requests to the host named in 'mirror'. Sent verbatim as the Authorization header, so include a scheme if your mirror needs one (e.g. 'Bearer <token>')."
required: false
cache-dependency-path:
description: "Used to specify the path to dependency files. Supports wildcards or a list of file names for caching multiple dependencies."
update-environment:
description: "Set this option if you want the action to update environment variables."
default: true
allow-prereleases:
description: "When 'true', a version range passed to 'python-version' input will match prerelease versions if no GA versions are found. Only 'x.y' version range is supported for CPython."
default: false
freethreaded:
description: "When 'true', use the freethreaded version of Python."
default: false
pip-version:
description: "Used to specify the version of pip to install with the Python. Supported format: major[.minor][.patch]."
outputs:
python-version:
description: "The installed Python or PyPy version. Useful when given a version range as input."
cache-hit:
description: "A boolean value to indicate a cache entry was found"
python-path:
description: "The absolute path to the Python or PyPy executable."
