# Copyright 2016 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import re
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import subprocess
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import sys
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import time
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TURN_OFF_DELAY = 1 # seconds. Needed for back to back runs
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def main():
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"""Put screen to sleep."""
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screen_id = ''
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for s in sys.argv[1:]:
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if s[:7] == 'screen=' and len(s) > 7:
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screen_id = s[7:]
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if not screen_id:
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print 'Error: need to specify screen serial'
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assert False
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cmd = ('adb -s %s shell dumpsys power | egrep "Display Power"'
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% screen_id)
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process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
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cmd_ret = process.stdout.read()
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screen_state = re.split(r'[s|=]', cmd_ret)[-1]
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if 'OFF' in screen_state:
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print 'Screen already OFF.'
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else:
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pwrdn = ('adb -s %s shell input keyevent POWER' % screen_id)
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subprocess.Popen(pwrdn.split())
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time.sleep(TURN_OFF_DELAY)
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if __name__ == '__main__':
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main()
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