Python實(shí)現(xiàn)一個Git日志統(tǒng)計分析的小工具
前言
本文介紹的是利用Python實(shí)現(xiàn)的一個小工具,用于分析Git commit log,獲得Git Project每個成員的簡單行為數(shù)據(jù)。
Warning:代碼量不能代表程序員能力水平!
啟動參數(shù)
共5個。
- Repo地址
- Commit 起始日期
- Commit 結(jié)束日期
- Git倉庫子目錄
- 統(tǒng)計分析結(jié)果CSV文件目標(biāo)路徑
exec_git
Git Log命令:
git -C {} log --since={} --until={} --pretty=tformat:%ae --shortstat --no-merges -- {} > {}
填入?yún)?shù),調(diào)用系統(tǒng)命令'os.system()',輸出結(jié)果至本地臨時文件。讀取至內(nèi)存,簡單的String Array。
parse
Git Log輸出有3種格式,對應(yīng)3種正則表達(dá)式。
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"
遍歷得到的數(shù)據(jù),首先構(gòu)造一個以Author為Key,分析結(jié)果為Value的字典。
分析結(jié)果構(gòu)造一個元祖,包括:
- Commit 次數(shù)
- 增加代碼行數(shù)
- 刪除代碼行數(shù)
- 變更代碼行數(shù)
save_csv
簡單省略。
示例代碼:
#!/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')
總結(jié)
以上就是這篇文章的全部內(nèi)容了,希望本文的內(nèi)容對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值,如果有疑問大家可以留言交流,謝謝大家對腳本之家的支持。
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