#!/usr/bin/env python

#coding:utf-8

#This script is aimed to grep logs by application(User should input a packageName and then we look up for the process ids then separate logs by process ids).

import os

import sys

packageName=str(sys.argv[1])

def getDeviceId():

devices = []

command = "adb devices -l | sed '1d'| awk '{print $1}'"

result = os.popen(command)

deviceId = result.readline().strip()

if deviceId != "":

devices.append(deviceId)

while (deviceId != ""):

deviceId = result.readline().strip()

if deviceId != "":

devices.append(deviceId)

return devices;

def printPakcageLog(device, packageName):

# print device, packageName

print "Got device: " + device

command = "adb -s %s shell ps | grep %s | awk '{print $2}'"%(device, packageName)

# print command

p = os.popen(command)

##for some applications,there are multiple processes,so we should get all the process id

pid = p.readline().strip()

filters = pid

while(pid != ""):

pid = p.readline().strip()

if (pid != ''):

filters = filters + "|" + pid

#print 'command = %s;filters=%s'%(command, filters)

if (filters != '') :

cmd = 'adb -s %s logcat -v time | grep --color=always -E "%s" '%(device, filters)

os.system(cmd)

devices = getDeviceId();

devicesNum = len(devices);

if devicesNum < 1:

print "Device not found."

elif devicesNum == 1:

device = devices[0]

printPakcageLog(device, packageName)

else:

print "Please chose a dvice, input the index of the device:"

for i in xrange(0, devicesNum):

print str(i) + "\t" + devices[i]

index = raw_input("")

printPakcageLog(devices[int(index)], packageName)