Helper script to run logcat from an apk (to install) or package (to (re-)start, eventually remove data)

logcat.py

import subprocess
import sys
import argparse
import re

# change this for you
ADB_PATH = "D:\\gamedev\\android-sdk\\platform-tools\\adb.exe"
AAPT_PATH = "d:\\gamedev\\android-sdk\\build-tools\\23.0.3\\aapt.exe"

parser = argparse.ArgumentParser(description='Clever logcat')
parser.add_argument('--package', '-p', type=str, help='activity to check (eg: com.example.app)')
parser.add_argument('--apk', '-a', type=str, help='install apk (eg: app.apk)')
parser.add_argument('--force', '-f', action='store_true', help='force restart of activity')
parser.add_argument('--remove-data', '-d', action='store_true', help='remove save data')

args = parser.parse_args()
package = args.package

if args.package and args.apk:
    print("apk or activity, not both")

# add log types to ignore
ignore = [
    ]

def _run(cmd, task_name):
    print task_name + "...",
    try:
        ret = subprocess.check_output(cmd, shell=True)
    except subprocess.CalledProcessError:
        print("Error")
        sys.exit(1)

    print "OK!"
    return ret

def _run_adb(params, task_name):
    return _run(ADB_PATH + " " + params, task_name)

def _get_pid(p):
    pid_line = _run_adb("shell ps | grep " + p, "get pid")
    pid = pid_line.split()[1]
    return int(pid)

if args.apk:
    # find package name
    ret = _run(AAPT_PATH + " dump badging " + args.apk + " | grep package", "Extracting package name")
    package = re.match("package: name='(.*)' versionCode=.*", ret).group(1)
    # install it
    ret = _run_adb("install -rtdg " + args.apk, "Installing")

pid = None

if package:
    # force kill if needed
    if args.force:
        pid = _run_adb("shell am force-stop " + package, "Killing")

    if args.remove_data:
        _run_adb("shell pm clear " + package, "Removing data")

    # run package
    _run_adb("shell monkey -p " + package + " -c android.intent.category.LAUNCHER 1", "Launching app")

    # find pid
    pid = _get_pid(package)

cmd = ADB_PATH + " logcat -v time -s " + ' '.join([('"%s:S"' % a) for a in ignore]) + " *:V"
if pid:
    cmd += " | grep " + str(pid)

subprocess.Popen(cmd, shell=True)