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* $ curl https://pypi.python.org/packages/e7/a8/7556133689add8d1a54c0b14aeff0acb0 3c64707ce100ecd53934da1aa13/pip-8.1.2.tar.gz -o pip-8.1.2.tar.gz * $ curl https://pypi.python.org/packages/9f/7c/0a33c528164f1b7ff8cf0684cf88c2e73 3c8ae0119ceca4a3955c7fc059d/setuptools-23.1.0.tar.gz -o setuptools-23.1.0.tar.gz * $ ls * $ rm pip-8.1.1.tar.gz * $ rm setuptools-20.4.tar.gz
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Heroku Buildpack: Python
This is the official Heroku buildpack for Python apps, powered by 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 (e.g. scipy) are not compatible.
See it in Action
Deploying a Python application couldn't be easier:
$ ls
Procfile requirements.txt web.py
$ heroku create --buildpack heroku/python
$ git push heroku master
...
-----> Python app detected
-----> Installing python-2.7.11
$ pip install -r requirements.txt
Collecting requests (from -r requirements.txt (line 1))
Downloading requests-2.9.1-py2.py3-none-any.whl (501kB)
Installing collected packages: requests
Successfully installed requests-2.9.1
-----> Discovering process types
Procfile declares types -> (none)
A requirements.txt file 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-3.5.1
Runtime options include:
python-2.7.11python-3.5.1pypy-5.0.1(unsupported, experimental)
Other unsupported runtimes are available as well. Use at your own risk.