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CONTRIBUTING.rst

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How to Contribute

CLI Helpers would love your help! We appreciate your time and always give credit.

Development Setup

Ready to contribute? Here's how to set up CLI Helpers for local development.

  1. Fork the repository on GitHub.

  2. Clone your fork locally:

    $ git clone <url-for-your-fork>

  3. Add the official repository (upstream) as a remote repository:

    $ git remote add upstream [email protected]:dbcli/cli_helpers.git

  4. Set up a virtual environment for development:

    $ cd cli_helpers
$ pip install virtualenv
$ virtualenv cli_helpers_dev

    We've just created a virtual environment called cli_helpers_dev that we'll use to install all the dependencies and tools we need to work on CLI Helpers. Whenever you want to work on CLI Helpers, you need to activate the virtual environment:

    $ source cli_helpers_dev/bin/activate

    When you're done working, you can deactivate the virtual environment:

    $ deactivate

  5. From within the virtual environment, install the dependencies and development tools:

    $ pip install -r requirements-dev.txt
$ pip install --editable .

  6. Create a branch for your bugfix or feature based off the master branch:

    $ git checkout -b <name-of-bugfix-or-feature> master

  7. While you work on your bugfix or feature, be sure to pull the latest changes from upstream. This ensures that your local codebase is up-to-date:

    $ git pull upstream master

  8. When your work is ready for the CLI Helpers team to review it, make sure to add an entry to CHANGELOG file, and add your name to the AUTHORS file. Then, push your branch to your fork:

    $ git push origin <name-of-bugfix-or-feature>

  9. Create a pull request on GitHub.

Running the Tests

While you work on CLI Helpers, it's important to run the tests to make sure your code hasn't broken any existing functionality. To run the tests, just type in:

$ pytest

CLI Helpers supports Python 3.6+. You can test against multiple versions of Python by running:

$ tox

You can also measure CLI Helper's test coverage by running:

$ pytest --cov-report= --cov=cli_helpers
$ coverage report

Coding Style

When you submit a PR, the changeset is checked for pep8 compliance using black. If you see a build failing because of these checks, install black and apply style fixes:

$ pip install black
$ black .

Then commit and push the fixes.

To enforce black applied on every commit, we also suggest installing pre-commit and using the pre-commit hooks available in this repo:

$ pip install pre-commit
$ pre-commit install

Git blame

Use git blame my_file.py --ignore-revs-file .git-blame-ignore-revs to exclude irrelevant commits (specifically Black) from git blame. For more information, see here.

Documentation

If your work in CLI Helpers requires a documentation change or addition, you can build the documentation by running:

$ make -C docs clean html
$ open docs/build/html/index.html

That will build the documentation and open it in your web browser.