A Heroku buildpack for Node.py derived from the official Python buildpack.
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README.md

python

Heroku Buildpack: Python

Build Status

This is the official Heroku buildpack for Python apps, powered by Pipenv, pip and other excellent software.

Recommended web frameworks include Django and Flask. The recommended webserver is Gunicorn. There are no restrictions around what software can be used (as long as it's pip-installable). Web processes must bind to $PORT, and only the HTTP protocol is permitted for incoming connections.

Some Python packages with obscure C dependencies are not compatible.

See it in Action

Deploying a Python application couldn't be easier:

$ ls
Pipfile		Procfile	web.py

$ heroku create --buildpack heroku/python

$ git push heroku master
…
-----> Python app detected
-----> Installing python-3.6.3
-----> Installing pip
-----> Installing requirements with latest pipenv…
       ...
       Installing dependencies from Pipfile…
-----> Discovering process types
       Procfile declares types -> (none)

A Pipfile or requirements.txt must be present at the root of your application's repository.

You can also specify the latest production release of this buildpack for upcoming builds of an existing application:

$ heroku buildpacks:set heroku/python

Specify a Python Runtime

Specific versions of the Python runtime can be specified with a runtime.txt file:

$ cat runtime.txt
python-2.7.14

Or, with a Pipfile.lock (generated from the following Pipfile):

[requires]
python_version = "2.7"

Or, more specifically:

[requires]
python_full_version = "2.7.14"

Runtime options include:

  • python-3.6.3
  • python-2.7.14
  • pypy-5.7.1 (unsupported, experimental)
  • pypy3-5.5.1 (unsupported, experimental)