git-score

#!/usr/bin/env python

import os
from subprocess import Popen
from subprocess import PIPE

cmd = ["git", "log", "--shortstat", '--pretty=format:commit %an']

proc = Popen(cmd, stdout=PIPE)

authors = {}
user = None

for line in proc.stdout:
  args = line.split(" ")
  if line.startswith("commit"):
    user = args[1].strip()
    if user not in authors:
      authors[user] = [0, 0, 0, 0]
    authors[user][0] += 1
  elif len(line) > 5:
    authors[user][1] += int(args[1])
    authors[user][2] += int(args[4])
    authors[user][3] += int(args[6])

print "author\tcommits\tchanges\t(+)\t(-)"
for author in authors:
  nums = authors[author]
  print "%s\t%i\t%i\t%i\t%i" % (author, nums[0], nums[1], nums[2], nums[3])