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gitstats.py
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100 lines (85 loc) · 3.16 KB
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#!/usr/local/bin/python3
# -*- coding: utf-8 -*-
'''Analyse git branch commit log, for every version, every person.'''
import os
import sys
import re
import csv
GIT_LOG = r'git -C {} log --since={} --until={} --pretty=tformat:%ae --shortstat --no-merges -- {} > {}'
REPATTERN_FULL = r"\s(\d+)\D+(\d+)\D+(\d+)\D+\n"
REPATTERN_INSERT_ONLY = r"\s(\d+)\D+(\d+)\sinsertion\D+\n"
REPATTERN_DELETE_ONLY = r"\s(\d+)\D+(\d+)\sdeletion\D+\n"
CSV_FILE_HEADER = ["Author", "Commit", "Insert", "Delete", "Loc"]
def exec_git(repo, since, until, subdir):
'''Execute git log commant, return string array.'''
logfile = os.path.join(os.getcwd(), 'gitstats.txt')
git_log_command = GIT_LOG.format(repo, since, until, subdir, logfile)
os.system(git_log_command)
lines = None
with open(logfile, 'r', encoding='utf-8') as logfilehandler:
lines = logfilehandler.readlines()
return lines
def save_csv(stats, csvfile):
'''save stats data to csv file.'''
with open(csvfile, 'w', encoding='utf-8') as csvfilehandler:
writer = csv.writer(csvfilehandler)
writer.writerow(CSV_FILE_HEADER)
for author, stat in stats.items():
writer.writerow([author, stat[0], stat[1], stat[2], stat[3]])
def parse(lines):
'''Analyse git log and sort to csv file.'''
prog_full = re.compile(REPATTERN_FULL)
prog_insert_only = re.compile(REPATTERN_INSERT_ONLY)
prog_delete_only = re.compile(REPATTERN_DELETE_ONLY)
stats = {}
for i in range(0, len(lines), 3):
author = lines[i]
#empty = lines[i+1]
info = lines[i+2]
#change = 0
insert, delete = int(0), int(0)
result = prog_full.search(info)
if result:
#change = result[0]
insert = int(result.group(2))
delete = int(result.group(3))
else:
result = prog_insert_only.search(info)
if result:
#change = result[0]
insert = int(result.group(2))
delete = int(0)
else:
result = prog_delete_only.search(info)
if result:
#change = result[0]
insert = int(0)
delete = int(result.group(2))
else:
print('Regular expression fail!')
return
loc = insert - delete
stat = stats.get(author)
if stat is None:
stats[author] = [1, insert, delete, loc]
else:
stat[0] += 1
stat[1] += insert
stat[2] += delete
stat[3] += loc
return stats
if __name__ == "__main__":
print('gitstats begin')
if len(sys.argv) != 6:
print('Invalid argv parameters.')
exit(0)
REPO = os.path.join(os.getcwd(), sys.argv[1])
SINCE = sys.argv[2]
UNTIL = sys.argv[3]
SUB_DIR = sys.argv[4]
CSV_FILE = os.path.join(os.getcwd(), sys.argv[5])
LINES = exec_git(REPO, SINCE, UNTIL, SUB_DIR)
assert LINES is not None
STATS = parse(LINES)
save_csv(STATS, CSV_FILE)
print('gitstats done')