邮件发送git库更新内容的python脚本

有一个git库，想隔一段时间去看看更新了什么内容，可以学习，后面怕麻烦，还可能忘记查看，就写了个脚本使用crontab来自动获取两周内的更新并发送邮件。初学，仅供参考。

#!/usr/bin/python
#coding=utf-8

import os,re,time,datetime,commands
import smtplib
from email.Header import Header
from email.mime.text import MIMEText
from email.MIMEMultipart import MIMEMultipart

tools_script_dir='/data/scrpit'

def get_tools_log():
    global tools_script_dir
    GIT_STAT_CMD = "git log --stat"
    GIT_DETAILS_CMD = "git log -p"

    os.chdir(tools_script_dir)
    #get data
    d1 = datetime.datetime.now()
    dt=d1.strftime('%a %b %d')
    #print dt
    i = 15
    d2 = d1+datetime.timedelta(days=-i)
    two = d2.strftime('%a %b')
    da = int(d2.strftime('%d'))
    two_weeks_day = '%s %s'%(two,da)
    twy = d2.strftime('%Y')
    #get logs args
    gp = commands.getoutput('git pull')
    log = commands.getoutput('git log')

    commit_one = re.search(r'commit\s(.*)', log).group(1)
    commit_two = ''

    while 1:
        content = r'commit\s(.*)\n.*\n.*%s\s.*\s%s\s'% (two_weeks_day,twy)
        m = re.search(content,log)
        if m:
            commit_two = m.group(1)
            break
        else:
            i = i+1
            d2 = d1+datetime.timedelta(days=-i)
            two_weeks_day = d2.strftime('%a %b %d')
    print commit_one
    print commit_two

    #git detail
    cmd_stat = '%s %s...%s'%(GIT_STAT_CMD,commit_one,commit_two)
    cmd_detail = '%s %s...%s'%(GIT_DETAILS_CMD,commit_one,commit_two)
    result_stat = commands.getoutput(cmd_stat)
    result_detail = commands.getoutput(cmd_detail)
    #create result files
    stat_file = 'modify_stat.html'
    detail_file = 'modify_detail.html'

    html_result(stat_file,result_stat)
    html_result(detail_file,result_detail)
    #send email
    start = d2+datetime.timedelta(days=+1)
    start_day = start.strftime('%a %b %d')
    mail_subject = 'This is %s to %s script git log,please check it.'%(start_day,dt)
    content = 'Dear all,\n Here is script git log.\nIf this has some error,please tell me.'
    send_mail(mail_subject,content,stat_file,detail_file)
    #remove files
    rm_cmd = 'rm %s %s'%(stat_file,detail_file)
    commands.getoutput(rm_cmd)

def html_result(htmlfile,htmlcontent):
    aa = re.sub(r'(commit.*)',r'\1',htmlcontent)
    ab = re.sub(r'(.*[+]+[-]+)',r'\1',aa)
    ac = re.sub(r'(.*)',r'\1',ab)
    ad = re.sub(r'([-]+.*)',r'\1',ac)
    ae = re.sub(r'([+]+.*)',r'\1',ad)
    con = re.sub(r'(.*)',r'\1',ae)
    html = open(htmlfile, 'w')
    html.write("""


        %s


            """%htmlfile)
    html.write(con)
    html.write('
')
    html.close()

def send_mail(subject,content,attfile1,attfile2):
    mail_host = 'mail.163.com'
    mail_user = '[e-mail]'
    mail_pwd = '12121'
    mail_to = ['[e-mail]']
    #mail_cc = '[e-mail]'


    msg = MIMEMultipart()
    #add mail content
    test_msg = MIMEText(content,'plain','utf-8')
    msg.attach(test_msg)
    #add attachment
    basename1 = os.path.basename(attfile1)
    att1 = MIMEText(open(attfile1, 'rb').read(), 'base64', 'utf-8')
    att1["Content-Type"] = 'application/octet-stream'
    att1["Content-Disposition"] = 'attachment; filename=%s' % basename1.encode('utf-8')
    msg.attach(att1)
    basename2 = os.path.basename(attfile2)
    att2 = MIMEText(open(attfile2, 'rb').read(), 'base64', 'utf-8')
    att2["Content-Type"] = 'application/octet-stream'
    att2["Content-Disposition"] = 'attachment; filename=%s' % basename2.encode('utf-8')
    msg.attach(att2)
    #general information
    msg['From'] = mail_user
    msg['To'] = ";".join(mail_to)
    #msg['Cc'] = mail_cc
    msg['Subject'] = Header(subject,'utf-8')
    try:
        s = smtplib.SMTP()
        s.connect(mail_host)
        #login
        s.login(mail_user,mail_pwd)
        #send mail
        print "sending mail....\nplase wait....."
        s.sendmail(mail_user,mail_to,msg.as_string())
        s.close()
        print "send mail success."
    except Exception ,e:
        print e

if __name__ == '__main__':
    get_tools_log()