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setup-python
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Fix documentation 

Docs were updated to incorporate changes regarding tool cache folder
on the self-hosted runner and changes in resolveVersionInput()
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IvanZosimov 2022-07-18 14:33:42 +02:00
parent 799afeb796
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README.md
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@ -33,7 +33,7 @@ steps:
python-version: 'pypy3.9' python-version: 'pypy3.9'
- run: python my_script.py - run: python my_script.py
``` ```
The `python-version` input is optional. If not supplied, the Python/PyPy version from the PATH will be used. The default version of Python/PyPy in PATH vary between runners and can be changed unexpectedly so we recommend always use `setup-python`. The `python-version` input is optional. If not supplied, the action will try to resolve version from the default `.python-version` file. If `.python-version` file doesn't exist Python/PyPy version from the PATH will be used. The default version of Python/PyPy in PATH vary between runners and can be changed unexpectedly so we recommend always use `setup-python`.
The action will first check the local [tool cache](docs/advanced-usage.md#hosted-tool-cache) for a [semver](https://github.com/npm/node-semver#versions) match. If unable to find a specific version in the tool cache, the action will attempt to download a version of Python from [GitHub Releases](https://github.com/actions/python-versions/releases) and for PyPy from the official [PyPy's dist](https://downloads.python.org/pypy/). The action will first check the local [tool cache](docs/advanced-usage.md#hosted-tool-cache) for a [semver](https://github.com/npm/node-semver#versions) match. If unable to find a specific version in the tool cache, the action will attempt to download a version of Python from [GitHub Releases](https://github.com/actions/python-versions/releases) and for PyPy from the official [PyPy's dist](https://downloads.python.org/pypy/).

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docs/advanced-usage.md
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@ -179,7 +179,7 @@ jobs:
# Using python-version-file input # Using python-version-file input
`setup-python` action has ability to read Python/PyPy version from a version file. `python-version-file` input is used for specifying path to the version file. If version file at the specified path doesn't exist action will try to find `.python-version` file implying that it as a default type of version files. If `.python-version` file doesn't exist also, action will fail with error. `setup-python` action has ability to read Python/PyPy version from a version file. `python-version-file` input is used for specifying path to the version file. If `.python-version` file doesn't exist, action will fail with error.
>In case both `python-version` and `python-version-file` inputs are supplied, `python-version-file` input will be ignored due to its lower priority. >In case both `python-version` and `python-version-file` inputs are supplied, `python-version-file` input will be ignored due to its lower priority.
@ -414,9 +414,7 @@ GitHub virtual environments are set up in [actions/virtual-environments](https:/
Python distributions are only available for the same [environments](https://github.com/actions/virtual-environments#available-environments) that GitHub Actions hosted environments are available for. If you are using an unsupported version of Ubuntu such as `19.04` or another Linux distribution such as Fedora, `setup-python` will not work. If you have a supported self-hosted runner and you would like to use `setup-python`, there are a few extra things you need to make sure are set up so that new versions of Python can be downloaded and configured on your runner. Python distributions are only available for the same [environments](https://github.com/actions/virtual-environments#available-environments) that GitHub Actions hosted environments are available for. If you are using an unsupported version of Ubuntu such as `19.04` or another Linux distribution such as Fedora, `setup-python` will not work. If you have a supported self-hosted runner and you would like to use `setup-python`, there are a few extra things you need to make sure are set up so that new versions of Python can be downloaded and configured on your runner.
If you are experiencing problems while configuring Python on your self-hosted runner, turn on [step debugging](https://github.com/actions/toolkit/blob/main/docs/action-debugging.md#step-debug-logs) to see addition logs. ## Windows requirements
### Windows
- Your runner needs to be running with administrator privileges so that the appropriate directories and files can be set up when downloading and installing a new version of Python for the first time. - Your runner needs to be running with administrator privileges so that the appropriate directories and files can be set up when downloading and installing a new version of Python for the first time.
- If your runner is configured as a service, make sure the account that is running the service has the appropriate write permissions so that Python can get installed. The default `NT AUTHORITY\NETWORK SERVICE` should be sufficient. - If your runner is configured as a service, make sure the account that is running the service has the appropriate write permissions so that Python can get installed. The default `NT AUTHORITY\NETWORK SERVICE` should be sufficient.
@ -424,28 +422,7 @@ If you are experiencing problems while configuring Python on your self-hosted ru
- MSI installers are used when setting up Python on Windows. A word of caution as MSI installers update registry settings. - MSI installers are used when setting up Python on Windows. A word of caution as MSI installers update registry settings.
- The 3.8 MSI installer for Windows will not let you install another 3.8 version of Python. If `setup-python` fails for a 3.8 version of Python, make sure any previously installed versions are removed by going to "Apps & Features" in the Settings app. - The 3.8 MSI installer for Windows will not let you install another 3.8 version of Python. If `setup-python` fails for a 3.8 version of Python, make sure any previously installed versions are removed by going to "Apps & Features" in the Settings app.
### Linux >If you are experiencing problems while configuring Python on your self-hosted runner, turn on [step debugging](https://github.com/actions/toolkit/blob/main/docs/action-debugging.md#step-debug-logs) to see addition logs.
- The Python packages that are downloaded from `actions/python-versions` are originally compiled from source in `/opt/hostedtoolcache/` with the [--enable-shared](https://github.com/actions/python-versions/blob/94f04ae6806c6633c82db94c6406a16e17decd5c/builders/ubuntu-python-builder.psm1#L35) flag, which makes them non-relocatable.
- By default runner downloads and install the tools to `/opt/hostedtoolcache`. The environment variable called `AGENT_TOOLSDIRECTORY` can be set to change this location.
- In the same shell that your runner is using, type `export AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`.
- A more permanent way of setting the environment variable is to create a `.env` file in the same directory as your runner and to add `AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache`. This ensures the variable is always set if your runner is configured as a service.
- Create a directory called `hostedtoolcache` inside `/opt`.
- The user starting the runner must have write permission to the `/opt/hostedtoolcache` directory. It is not possible to start the Linux runner with `sudo` and the `/opt` directory usually requires root privileges to write to. Check the current user and group that the runner belongs to by typing `ls -l` inside the runners root directory.
- The runner can be granted write access to the `/opt/hostedtoolcache` directory using a few techniques:
- The user starting the runner is the owner, and the owner has write permission.
- The user starting the runner is in the owning group, and the owning group has write permission.
- All users have write permission.
- One quick way to grant access is to change the user and group of `/opt/hostedtoolcache` to be the same as the runners using `chown`.
- `sudo chown runner-user:runner-group /opt/hostedtoolcache/`.
- If your runner is configured as a service and you run into problems, make sure the user that the service is running as is correct. For more information, you can [check the status of your self-hosted runner](https://help.github.com/en/actions/hosting-your-own-runners/configuring-the-self-hosted-runner-application-as-a-service#checking-the-status-of-the-service).
### MacOS
- The same setup that applies to `Linux` also applies to `MacOS`, just with a different tools cache directory.
- Create a directory called `/Users/runner/hostedtoolcache`.
- Set the `AGENT_TOOLSDIRECTORY` environment variable to `/Users/runner/hostedtoolcache`.
- Change the permissions of `/Users/runner/hostedtoolcache` so that the runner has write access.
# Using `setup-python` on GHES # Using `setup-python` on GHES