python 分析android日志获取activit加载时间

#-*-coding:utf-8 -*-

# 分析android adb logcat日志 提取activity Displayed日志

import os
import re


def AndroidDisplayedLog(applicationName, logfile):
    if os.path.exists(logfile):
        with open(logfile) as f:
            log = f.readlines()
        ActivityLoadTime = []
        for line in log:
            if re.search(r"Displayed %s" % applicationName, line):
                ActivityManagerLog = line.split(":")
                activity = ActivityManagerLog[1].split("/")[-1]
                loadTimeStr = ActivityManagerLog[-1].strip().strip(‘ms‘).strip(‘+‘)
                # 日志时间转换为ms的整数
                try:
                    t = int(loadTimeStr)
                    if t:
                        loadtime = t
                except ValueError:
                    # 过滤常驻的系统activity 超过分钟的
                    try:
                        loadtime = int(loadTimeStr.split(‘s‘)[0]) * 1000 + int(loadTimeStr.split(‘s‘)[1])
                    except ValueError:
                        pass
                print activity, loadtime
                ActivityLoadTime.append((activity, loadtime))
        return ActivityLoadTime
    else:
        print "日志文件不存在"

a = AndroidDisplayedLog("com.aaa.bbbb", "D:\\log.txt")