python-env-docker

A set of files that uses docker and docker-compose to supply easy access to python versions.

Prerequsites

• Docker installed and running
• docker-compose

Configuration

• requirements-all.txt A list of PyPi packages to install
• requirements-2.7.txt A list of packages only installed for python 2.7 (replace 2.7 with any python version)
• Dockerfile instructs docker how to build the images
• docker-compose.yml A list of all available python versions and how to run them
• env Contains bash prompt syntax ($PS1) (Currently python-<version>:<path>$ )

Usage

To start a bash shell with a python 3.7

$ docker-compose run python37
python-3.7.0:~# 

To start a interactive python shell ipython shell with a python 2.7

$ docker-compose run python27
Python 2.7.15 (default, Sep  5 2018, 05:04:02) 
Type "copyright", "credits" or "license" for more information.

IPython 5.8.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

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Execute a python script contained in the project folder

$ docker-compose run python34 python hello.py
Hello world!