Pre-commit for Git especially for the stack which uses Python, Nose and Pycodestyle (formerly known as PEP8)

pre-commit

#!/bin/bash

export exit_code="0"

# if you want to start a dummy flask server
# export FLASK_APP="server.py"
# flask run --port 2333 --no-debugger --no-reload > /dev/null 2>&1 &
# I didn't find requests-mock practical, so written my own server instead
# what above does is it starts a server, puts it into background, redirects all output to /dev/null

pycodestyle tests/ yourpackage/ setup.py
exit_code=$(($exit_code+$?))

nosetests
exit_code=$(($exit_code+$?))

# kill your bg jobs
# kill $(jobs -p)

exit $exit_code