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CONTRIBUTING.md

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Contributing

Developpment

Dependencies

Please ensure you have a recent enough version of setuptools:

pip install --upgrade "setuptools>=46.4.0"

Install the dependencies with:

pip install -e ".[dev]"

This installs the normal dependencies of the package plus the dependencies for tests.

Documentation

Documentation is built with pdoc with the command:

pdoc --docformat=google -o doc/ ./src/dakara_feeder

Tests

Tests are run by Pytest with:

pytest

Tests are split between unit tests, which are ligthweight and do not require mediainfo or FFmpeg to be installed, and integration tests, which are heavier:

pytest tests/unit
pytest tests/integration

Both Pytest style and standard Unittest style tests can be used. Coverage is checked automatically with Pytest-cov.

Imports

Imports are sorted by isort with the command:

isort .

You need to call isort before committing changes.

Code style

The code follows the PEP8 style guide (88 characters per line). Quality of code is checked with Flake8:

flake8

Style is enforced using Black:

black .

You need to call Black before committing changes. You may want to configure your editor to call it automatically. Additionnal checking can be manually performed with Pylint.

Hooks

Pre-commit hooks allow to perform checks before commiting changes. They are managed with Pre-commit, use the following command to install them:

pre-commit install

Note that pre-commit hook does not run integration tests.

Release

This process describes how to release a new version:

  1. Move to the develop branch and pull. 
    git checkout develop
git pull
    If there is any cosmetic modification to perform on the changelog file, do it now.
  2. Call the bump version script: 
    ./bump_version.sh 0.0.0 0.1.0
    with 0.0.0 the release version and 0.1.0 the next version (without 'v', without '-dev').
  3. Push the version commit and its tag: 
    git push
git push origin 0.0.0
    with the according version number.
  4. Move to the master branch and merge the created tag into it. Then push: 
    git checkout master
git pull
git merge 0.0.0
git push
  5. Call the script to create the package: 
    ./create_archive.sh
    The distribution and source distribution are created and published on PyPI. Just add your username and password when prompted.
  6. On GitHub, draft a new release, set the version number with the created tag ("Existing tag" should read). Set the release title with "Version 0.0.0" (with number, you get it?). Copy-paste corresponding section of the changelog file in the release description. You can now publish the release.