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    Python 过滤错误log并导出的实例

    栏目:代码类 时间:2019-12-26 18:07

    前言:

    测试过程中获取App相关log后,如何快速找出crash的部分,并导出到新的文件呢?

    感兴趣的话,继续往下看吧~

    思路:遍历多个日志文件,找出含有Error和Crash的日志,并把该行日志输出到另一个文件result.txt中。

    def find_log(path):
      file_list = os.listdir(path)
      for file in file_list:
        file_name = file
        log_path = os.path.join(path, file)
        with open(log_path, 'rb') as f:
          lines = f.readlines()
          index = 0
          for line in lines:
            index += 1
            if 'Crash' in line.decode("utf8", "ignore") or 'Error' in line.decode("utf8", "ignore"):
              ss = re.findall(r'(.*Crash.*)', line.decode("utf8", "ignore"))
              zz = re.findall(r'(.*Error.*)', line.decode("utf8", "ignore"))
              if len(zz) > 0:
                with open('result.txt', 'a') as ff:
                  ff.write('文件名:'+file_name + ' 第' + str(index) + '行: ' + zz[0] + '\n')
              elif len(ss) > 0:
                with open('result.txt', 'a') as ff:
                  ff.write('文件名:'+file_name + ' 第' + str(index) + '行: ' + ss[0] + '\n')
              else:
                break

    result.txt文件展示如下:

    文件名:amstart.log 第611行: 01-12 11:10:33.534 E/FirebaseCrash(14844): Failed waiting for crash api to load.
    文件名:amstart.log 第612行: 01-12 11:10:33.534 E/FirebaseCrash(14844): java.lang.InterruptedException
    文件名:amstart.log 第613行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1013)
    文件名:amstart.log 第614行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1302)
    文件名:amstart.log 第615行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:249)
    文件名:amstart.log 第616行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at com.google.firebase.crash.FirebaseCrash.zzbsk(Unknown Source)
    文件名:amstart.log 第617行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at com.google.firebase.crash.FirebaseCrash.zza(Unknown Source)
    文件名:amstart.log 第618行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at com.google.firebase.crash.zza.run(Unknown Source)
    文件名:amstart.log 第619行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
    文件名:amstart.log 第620行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
    文件名:amstart.log 第621行: 01-12 11:10:33.534 E/FirebaseCrash(14844):  at java.lang.Thread.run(Thread.java:818)
    文件名:uninstall.log 第213行: 01-12 11:16:33.382 W/ActivityManager( 1068): Error in app com.baidu.mtc.new_monkey running instrumentation ComponentInfo{com.baidu.mtc.new_monkey.test/android.support.test.runner.AndroidJUnitRunner}:
    文件名:uninstall.log 第219行: 01-12 11:16:33.383 W/ActivityManager( 1068): Error shutting down UiAutomationConnection
    文件名:logcat.log 第31653行: 01-12 11:13:48.556 E/Gn_Assist(17385): GnVoiceService dispatchRecoError className is empty
    文件名:logcat.log 第31654行: 01-12 11:13:48.556 E/Gn_Assist(17385): FocusException getErrorMsg ERROR_NO_MATCH
    文件名:install.log 第26514行: 01-12 11:09:40.641 W/System.err(14314):  Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available