This is a Heroku buildpack for Python apps. It uses virtualenv and pip.
Example usage:
$ ls
Procfile requirements.txt web.py
Make sure to use this repo URL:
$ heroku create --stack cedar --buildpack git@github.com:everysignalinc/heroku-buildpack-python-scikit-learn-git.git
$ git push heroku master
...
-----> Heroku receiving push
-----> Fetching custom build pack... done
-----> Python app detected
-----> Preparing virtualenv version 1.6.4
New python executable in ./bin/python
Installing setuptools............done.
Installing pip...............done.
-----> HUGE numpy compile output
Cleaning up...
The buildpack will detect your app as Python if it has the file requirements.txt in the root.