Git when last changed dict

dojo.py

#!/usr/bin/env python

import subprocess
from collections import defaultdict

def latest():
    filesdict = {}
    changecount = defaultdict(int)

    stringlist = subprocess.check_output(["git","ls-files"]).split("\n")

    statlist = subprocess.check_output(["git","whatchanged"]).split("\n")

    for line in statlist:
        if line.startswith("Date"):
            temp = line[8:]
        if line.startswith(':'):
            _ , file_name = line.split('\t',1)
            changecount[file_name] += 1
            if file_name not in filesdict:
                filesdict[file_name] = temp

    return filesdict, changecount


def pretty(filesdict, changecount):
    for k, v in sorted(filesdict.items(), key=lambda x: changecount[x[0]]):
        print "Filename: {}".format(k)
        print "Date:     {}".format(v)
        print "Changes:  {}".format(changecount[k])
        print

if __name__ == '__main__':
    filesdict, changecount = latest()
    pretty(filesdict, changecount)

dojo2.py

from subprocess import Popen, PIPE
from collections import defaultdict


mycmd = ['git', 'log', '--pretty="%at"', "--name-only"]
data_stream = Popen(mycmd, stdout=PIPE)

for line in data_stream.stdout:
    line = line.strip()
    print line