Python

Argparse

Create parser

parser = argparse.ArgumentParser()

Add mandatory argument

parser.add_argument('myargument')

Add flag

parser.add_argument('-v', '--visualize', action='store_true')

Parse arguments

args = parser.parse_args()

Environments

• pyenv: multiple python versions
• venv: module for creating virtual package environments
• pyvenv: virtual package environments based on venv, part of Python >= 3.4
• virtualenv: virtual package environment, on PyPi