概述
在日常测试APP过程中，总有机会碰到APP崩溃问题，为了能够及时的获取到崩溃日志，特意写了一个script，方便自己抓取。
代码示例
#!/usr/bin/env python
#-*- coding:UTF-8 -*-
#######################################
## 作用： 调用adb logcat获取日志 ##
## Create: 2014-10-09 ##
## version: V1.0 ##
#######################################
import sys,os,time
import re
class getAppLog():
''' 定义基类 :
判断andriod_home是否存在，继而判断adb命令是否存在
判断device是否在线，如果在线，获取devices信息
判断adb logcat是否可用
清空缓存日志
调用adb logcat捕获日志，并重定向到指定文件
如果日志文件超过20M，备份原日志文件
'''
def def_log_file(self,log_name=None):
''' 定义 日志文件 '''
PATH = lambda p: os.path.abspath(os.path.join(os.path.dirname(__file__), p))
log_name = 'test_logcat.txt' if log_name == None else log_name
file_path = PATH(log_name)
return file_path
def envCheck(self):
''' 校验 andriod sdk '''
if "ANDROID_HOME" in os.environ:
rootDir = os.path.join(os.environ["ANDROID_HOME"], "platform-tools")
for path, subdir, files in os.walk(rootDir):
if "adb.exe" in files:
return os.path.join(path, "adb.exe")
else:
print '\nadb.exe does not exist!\n',
time.sleep(3)
else:
print "\nANDROID_HOME not exist! Please setup andriod SDK and set the environment variable ANDROID_HOME. \n",
time.sleep(3)
def get_device_id(self):
''' 获取 deviceId，并作容错校验 '''
#尝试停止、启动adb-server，方便调用adb获取信息
os.popen('adb kill-server')
time.sleep(3)
os.popen('adb start-server')
time.sleep(5)
out = os.popen("adb devices").read()
if out == '':
print '\n[ERROR] Terminal device has a problem, the program exits, replace the terminal equipment!\n'
time.sleep(3)
exit()
elif out.startswith('error'):
print '\n[ERROR] Get devices error,program exits!\n'
time.sleep(3)
exit()
elif out.split('\n')[1].strip().endswith('unauthorized') and str(out).count('device') == 1:
print '\n[ERROR] Device unauthorized,program exits!\n'
time.sleep(3)
exit()
elif out.split('\n')[0].strip().endswith('attached') and str(out).count('device') == 1 and len(out.split('\n')) <= 3:
print '\n[ERROR] Not get list of devices,program exits!\n'
time.sleep(3)
exit()
else:
deviceId = out.split('\n')[1].split('\t')[0]
return deviceId
def check_log_is_enable(self):
''' 校验手机设备是否支持logcat命令 '''
log_cat = os.popen("adb logcat -g 20").read()
match = re.search(r'''Unable to open log device '/dev/log/main': No such file or directory''',log_cat)
if match:
print '\n[ERROR] ' + log_cat + ' \n'
time.sleep(3)
sys.exit()
def get_log_to_file(self,deviceid,file_path):
''' 调用logcat获取日志到文件
adb -s deviceid logcat -c （清除LOGCAT的缓存）
adb -d -s deviceid logcat *:W >test_logcat.txt
'''
if deviceid != '':
clear_buffer = 'adb -s '+ deviceid +' logcat -c '
get_log = 'adb -d -s ' + deviceid + ' logcat -v time -s *:W >>' + file_path
if ' ' in file_path:
print '\n ' + file_path + ': The path contains spaces,program exits!\n'
time.sleep(3)
sys.exit()
#执行具体的命令
os.system(clear_buffer)
time.sleep(1)
os.system(get_log)
else:
print '\ndeviceid not exist!\n'
time.sleep(3)
sys.exit()
def log_file_size(self,file_path):
''' 如果log文件过大，备份并重新启用一个日志进行记录 '''
if os.path.exists(file_path):
file_size = os.path.getsize(file_path)
file_name = file_path.split("/")[-1].split('.')[0]
file_Suffix =file_path.split("/")[-1].split('.')[-1]
timeStamp = time.strftime('%Y_%m_%d_%H_%M_%S')
new_name = file_name+'_'+ timeStamp + file_Suffix
if file_size >= 20971520:
os.rename(file_path, new_name)
if __name__ == '__main__':
print '-' * 75
log = getAppLog()
log_file = log.def_log_file()
log.log_file_size(log_file)
log.envCheck()
device_id = log.get_device_id()
log.check_log_is_enable()
log.get_log_to_file(device_id,log_file)
