python实现git操作

#!/usr/bin/python
#-*- coding:utf-8 -*-

import os
import argparse
from git.repo import Repo 


def clone(repo_url, token, abs_local_repo):
    repo_full_url = 'http://oauth2:%s@%s' % (token, repo_url)
    Repo.clone_from(repo_full_url, to_path=abs_local_repo, branc='master')

def return_newest_tag(repo):
    all_tags = repo.tags
    return all_tags[-1].name

def change_to_tag(repo, tag):
    repo.git.checkout(tag)

def get_latest_commit(repo):
    # commit_log = repo.git.log('--pretty={"commit":"%h","author":"%an","summary":"%s","date":"%cd"}', max_count=50, date='format:%Y-%m-%d %H:%M')
    commit_log = repo.git.log('--pretty={"commit":"%h","author":"%an","summary":"%s","date":"%cd"}', max_count=50)
    log_list = commit_log.split('
')
    return log_list[0]

def main():
    description = '从GitLab检出代码，并切换到最新的tag
'
    quick_usage = '''
                    python checkout_from_gitlab.py -local_repo local_dir -outdir local_repo_exists_dir
                '''
    newParser = argparse.ArgumentParser(description=description, usage=quick_usage)
    newParser.add_argument('-repo_url', dest='repo_url', help='repo url')
    newParser.add_argument('-token', dest='token', help='gitlab access_tokens', default='_NuYiHQz-XuUXyj1exxx')
    newParser.add_argument('-local_repo', dest='local_repo', help='local repo dir name', default='local_dir')
    newParser.add_argument('-outdir', dest='outdir', help='default is current workdir', default=os.getcwd())

    args = newParser.parse_args()
    argsDict = args.__dict__
    repo_url = argsDict['repo_url']
    token = argsDict['token']
    local_repo = argsDict['local_repo']
    outdir = argsDict['outdir']
    abs_local_repo = os.path.join(outdir, local_repo)
    if os.path.exists(abs_local_repo):
        os.system('rm -rf %s' % abs_local_repo)
    clone(repo_url, token, abs_local_repo)
    repo = Repo(abs_local_repo)
    newest_tag = return_newest_tag(repo)
    print newest_tag
    change_to_tag(repo, newest_tag)
    latest_commit = get_latest_commit(repo)

如果是gitlab，可以通过如下方式生成token ：