Run pylint and pep8 linters on all changed and added python files, or in the current branch (by passing 'fbranch')

git-lint

#!/usr/bin/env bash

branch=`git branch | grep '*' | awk '{print $2}'`

get_files() {
  if test "$1" = "fbranch"; then
    echo `git diff develop..$branch --name-status | egrep '[AM]\t' | awk '{print $2}' | grep '.py'`
  else
    echo `git status --porcelain | egrep '[AM] ' | awk '{print $2}' | grep '.py'`
  fi
}

files=`get_files $1`

while getopts ":f" opt; do
  case $opt in
    f)
      echo -e '\n\n\033[0;32mPylint ----------------------------------------------\033[0m'
      files=`get_files $2`
      pylint -r n -f colorized -d line-too-long -d too-many-locals $files
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      ;;
  esac
done

echo -e '\n\n\033[0;32mPEP8 ------------------------------------------------\033[0m'
pep8 --ignore E501,E711,E712,E122,E123,E128 $files

Install under /usr/local/bin/git-lint
Pep8 Error Codes: http://pep8.readthedocs.org/en/latest/intro.html#error-codes