psc.py

import os
import datetime

from collections import defaultdict
from operator import itemgetter
from pprint import pprint as pp

from git import Repo
from unidecode import unidecode


repo = Repo(os.getcwd())
six_months_ago = (datetime.date.today() - datetime.timedelta(183)).isoformat()

commits = repo.iter_commits(after=six_months_ago)
authors = defaultdict(int)

for commit in commits:
    name = unidecode(commit.author.name)
    authors[name] += 1

rank_authors = sorted(authors.items(),key=itemgetter(1), reverse=True)
pp(rank_authors)

requirements.txt

gitpython
unidecode