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Contributing

Contributions are welcome, and they are greatly appreciated! Every little bit helps, and credit will always be given.

You can contribute in many ways:

Types of Contributions

Report Bugs

Report bugs at https://github.com/dj-stripe/dj-stripe/issues.

If you are reporting a bug, please include:

  • The version of python and Django you're running
  • Detailed steps to reproduce the bug.

Fix Bugs

Look through the GitHub issues for bugs. Anything tagged with "bug" is open to whoever wants to implement it.

Implement Features

Look through the GitHub issues for features. Anything tagged with "feature" is open to whoever wants to implement it.

Write Documentation

dj-stripe could always use more documentation, whether as part of the official dj-stripe docs, in docstrings, or even on the web in blog posts, articles, and such.

If you are adding to dj-stripe's documentation, you can see your changes by running tox -e docs. The documentation will be generated in the docs/ directory, and you can open docs/_build/html/index.html in a web browser.

Submit Feedback

The best way to send feedback is to file an issue at https://github.com/dj-stripe/dj-stripe/issues.

If you are proposing a feature:

  • Explain in detail how it would work.
  • Keep the scope as narrow as possible, to make it easier to implement.
  • Remember that this is a volunteer-driven project, and that contributions are welcome :)

Get Started!

Ready to contribute? Here's how to set up dj-stripe for local development.

  1. Fork the dj-stripe repo on GitHub.

  2. Clone your fork locally:

    $ git clone [email protected]:your_name_here/dj-stripe.git

  3. Assuming the tests are run against PostgreSQL:

    $ createdb djstripe

  4. Install your local copy into a virtualenv. Assuming you have virtualenvwrapper installed, this is how you set up your fork for local development:

    $ mkvirtualenv dj-stripe
$ cd dj-stripe/
$ python setup.py develop

  5. Create a branch for local development:

    $ git checkout -b name-of-your-bugfix-or-feature

    Now you can make your changes locally.

  6. When you're done making changes, check that your changes pass the tests, including testing other Python versions with tox. pytest will output both command line and html coverage statistics and will warn you if your changes caused code coverage to drop. Note that if your system time is not in UTC, some tests will fail. If you want to ignore those tests, the --skip-utc command line option is available on runtests.py.:

    $ pip install tox
$ tox

  7. If your changes altered the models you may need to generate Django migrations:

    $ DJSTRIPE_TEST_DB_VENDOR=sqlite ./manage.py makemigrations

  8. Commit your changes and push your branch to GitHub:

    $ git add .
$ git commit -m "Your detailed description of your changes."
$ git push origin name-of-your-bugfix-or-feature

  9. Submit a pull request through the GitHub website.

  10. Congratulations, you're now a dj-stripe contributor! Have some <3 from us.

Django Migration Policy

Migrations are considered a breaking change, so it's not usually not acceptable to add a migration to a stable branch, it will be a new MAJOR.MINOR.0 release.

A workaround to this in the case that the Stripe API data isn't compatible with out model (eg Stripe is sending null to a non-null field) is to implement the _manipulate_stripe_object_hook classmethod on the model.

Avoid new migrations with non-schema changes

If a code change produces a migration that doesn't alter the database schema (eg changing help_text) then instead of adding a new migration you can edit the most recent migration that affects the field in question.

e.g.: https://github.com/dj-stripe/dj-stripe/commit/e2762c38918a90f00c42ecf21187a920bd3a2087

Squash of unreleased migrations on master

We aim to keep the number of migration files per release to a minimum per MINOR release.

In the case where there are several unreleased migrations on master between releases, we squash migrations immediately before release.

So if you're using the master branch with unreleased migrations, ensure you migrate with the squashed migration before upgrading to the next major release.

For more details see the :ref:`squash_migrations` section of the Release process.

Pull Request Guidelines

Before you submit a pull request, check that it meets these guidelines:

  1. The pull request should include tests.
  2. The pull request must not drop code coverage below the current level.
  3. If the pull request adds functionality, the docs should be updated. Put your new functionality into a function with a docstring.
  4. If the pull request makes changes to a model, include Django migrations.
  5. The pull request should work for Python 3.6+. Check https://travis-ci.org/dj-stripe/dj-stripe/pull_requests and make sure that the tests pass for all supported Python versions.
  6. Code formatting: Make sure to install tan and isort with pip install tan isort and run tan --use-tabs .; isort -y at the dj-stripe root to keep a consistent style.