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Jonathan Sundqvist
Jonathan Sundqvist

Posted on • Originally published at on

How to configure github actions for a python package

This is what a build action for running a test matrix in github actions looks like in python. The yaml file is saved in .github/workflows/<your_name>.yml.

name: Running unittests

    branches: [master]
    branches: [master]

    runs-on: ubuntu-latest
        python-version: [3.6, 3.7, 3.8]
        django: ["2.2", "3.0", "3.1"]

    - uses: actions/checkout@v2
    - name: Set up Python ${{ matrix.python-version }}
      uses: actions/setup-python@v2
        python-version: ${{ matrix.python-version }}
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements-tests.txt
        if [-f requirements.txt]; then pip install -r requirements.txt; fi
    - name: Linting
      run: flake8
    - name: Run unittests
        TOX_ENV: py${{ matrix.python-version}}-django${{ matrix.django }}
      run: |
        tox -e $TOX_ENV

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In the matrix we define the python versions and in this case also the django versions. django in this case will be set as an environment variable.

Further down I've set a TOX env to set exactly how I expect the tox environment variable to be set. So that is what I'm relying tox to use in the end.

The python package tox-gh-actions may help mapping the python versions with the tox versions. In this case I chose to do it directly with github actions to keep things simpler. One less dependency, one less worry so to speak.

For the full documentation of all the things you can do with github actions there is the official documentation.

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