plugingen

Create pip plugins in seconds. 🗲

For instance, This is how you would go about creating a plugin for the popular package pipdeptree:

# pip_plugin_tree.py
import plugingen

cli = plugingen.create(
    code="import pipdeptree\npipdeptree.main()", requirements=["pipdeptree"]
)

# setup.py
setup(
    ...
    py_modules=['pip_plugin_tree'],
    entry_points={"console_scripts": ["pip-plugin-tree = pip_plugin_tree:cli"]},
)

And that's literally it.

For just this, You get a plugin that automatically gets discovered, works across virtualenvs, without any modification to the original package whatsoever.

You even get your own little spot at $ pip --help:

$ pip --help
...
  completion                  A helper command used for command completion.
  help                        Show help for commands.

3rd Party Commands:
  tree
  compile
  sync

General Options:
  -h, --help                  Show help.
  --isolated                  Run pip in an isolated mode, ignoring environment variables and user configuration.
...

$ pip tree -l
Django==2.1.4
  - pytz [required: Any, installed: 2018.7]
pip==19.0.dev0
setuptools==40.6.3
wheel==0.32.3

(This is a prof of concept for a fork of pip that supports plugins.)