-# Contributing to Black
+# Contributing to *Black*
Welcome! Happy to see you willing to make the project better. Have you
-read the entire [user documentation](http://black.readthedocs.io/en/latest/)
+read the entire [user documentation](https://black.readthedocs.io/en/latest/)
yet?
## Bird's eye view
-In terms of inspiration, *Black* is about as configurable as *gofmt* and
-*rustfmt* are. This is deliberate.
+In terms of inspiration, *Black* is about as configurable as *gofmt*.
+This is deliberate.
-Bug reports and fixes are always welcome! Please follow the issue
-template on GitHub for best results.
+Bug reports and fixes are always welcome! Please follow the [issue
+template on GitHub](https://github.com/python/black/issues/new) for best
+results.
Before you suggest a new feature or configuration knob, ask yourself why
you want it. If it enables better integration with some workflow, fixes
## Technicalities
Development on the latest version of Python is preferred. As of this
-writing it's 3.6.4. You can use any operating system. I am using macOS
+writing it's 3.6.5. You can use any operating system. I am using macOS
myself and CentOS at work.
Install all development dependencies using:
```
$ pipenv install --dev
+$ pre-commit install
```
If you haven't used `pipenv` before but are comfortable with virtualenvs,
just run `pip install pipenv` in the virtualenv you're already using and
-invoke the command above from the cloned Black repo. It will do the
+invoke the command above from the cloned *Black* repo. It will do the
correct thing.
Before submitting pull requests, run tests with:
$ python setup.py test
```
-Also run mypy and flake8 on `black.py` and `test_black.py`. Travis will
-run all that for you but if you left any errors here, it will be quicker
-and less embarrassing to fix them locally ;-)
-
## Hygiene