1# Copyright 2016 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import re 16import subprocess 17import sys 18 19 20def main(): 21 """Put screen to sleep.""" 22 screen_id = '' 23 for s in sys.argv[1:]: 24 if s[:7] == 'screen=' and len(s) > 7: 25 screen_id = s[7:] 26 27 if not screen_id: 28 print 'Error: need to specify screen serial' 29 assert False 30 31 cmd = ('adb -s %s shell dumpsys power | egrep "Display Power"' 32 % screen_id) 33 process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE) 34 cmd_ret = process.stdout.read() 35 screen_state = re.split(r'[s|=]', cmd_ret)[-1] 36 if screen_state == 'OFF\n': 37 print 'Screen OFF. Turning ON.' 38 else: 39 wakeup = ('adb -s %s shell input keyevent POWER' % screen_id) 40 subprocess.Popen(wakeup.split()) 41if __name__ == '__main__': 42 main() 43