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3.1 KiB
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26 lines
3.1 KiB
Markdown
# Python for Actions
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This repository contains the code and scripts that we use to build Python packages used in [runner-images](https://github.com/actions/runner-images) and accessible through the [setup-python](https://github.com/actions/setup-python) Action.
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File [versions-manifest.json](./versions-manifest.json) contains the list of available and released versions.
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> Caution: this is prepared for and only permitted for use by actions `runner-images` and `setup-python` action.
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Some versions are pre-installed on [runner-images](https://github.com/actions/runner-images) images.
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More versions are available to install on-the-fly through the [`setup-python`](https://github.com/actions/setup-python) action.
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## Building installation packages
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**Ubuntu:** The official Python sources are downloaded from [python.org](https://www.python.org/ftp/python/), built using the `make` tool, and archived along with the installation script for further distribution and installation. We build each Python version against all [versions of Ubuntu](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources) that are available at the time the Python version is released.
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**macOS:**
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- For **Python < 3.11**, the official Python sources are downloaded from [python.org](https://www.python.org/ftp/python/), built using the `make` tool, and archived along with the installation script for further distribution and installation. For backward compatibility, we build each Python version against the oldest [version of macOS](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources) that is available at the time the Python version is released.
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- For **Python >= 3.11**, the official macOS `universal2` Python binaries are simply downloaded from [python.org](https://www.python.org/ftp/python/) and archived along with the installation script for further distribution and installation.
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**Windows:** The official Python executables are simply downloaded from [python.org](https://www.python.org/ftp/python/) and archived along with the installation script for further distribution and installation.
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## Support policy
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We aim to make new versions of Python available as soon as they are released. Both stable and prerelease versions are considered for building and releasing. Please open an issue in [actions/setup-python](https://github.com/actions/setup-python) if a version you're looking for isn't available.
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When a new version of an operating system is released and made available for use with [GitHub hosted runners](https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources), we will provide the **latest existing patch versions of Python for all major versions that have not reached [end-of-life](https://devguide.python.org/versions/)**. Any subsequent Python versions will be made available for the new OS as well.
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## Contribution
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Contributions are welcome! See [Contributor's Guide](./CONTRIBUTING.md) for more details about contribution process and code structure
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