# Copyright 2018 The Chromium OS Authors. All rights reserved.
|
# Use of this source code is governed by a BSD-style license that can be
|
# found in the LICENSE file.
|
|
'''Login with test account and display chart file using telemetry.'''
|
|
# This sets up import paths for autotest.
|
import common
|
|
import argparse
|
import contextlib
|
import logging
|
import os
|
import signal
|
import time
|
|
from autotest_lib.client.bin import utils
|
from autotest_lib.client.common_lib.cros import chrome
|
from autotest_lib.client.cros.input_playback import keyboard
|
|
DISPLAY_LEVEL = 96.0
|
|
|
@contextlib.contextmanager
|
def set_display_brightness(display_level):
|
SET_BRIGHTNESS_CMD = 'backlight_tool --set_brightness_percent=%s'
|
|
original_display_level = utils.system_output(
|
'backlight_tool --get_brightness_percent')
|
logging.info('Save original display brightness %r '
|
'and fix display brightness to %r', original_display_level,
|
display_level)
|
utils.system(SET_BRIGHTNESS_CMD % display_level)
|
utils.system('stop powerd', ignore_status=True)
|
yield
|
logging.info('Restore display brightness %r', original_display_level)
|
utils.system('start powerd', ignore_status=True)
|
utils.system(SET_BRIGHTNESS_CMD % original_display_level)
|
|
|
def display(filepath):
|
"""Display chart with filepath on device by using telemetry."""
|
assert os.path.isfile(filepath), 'filepath %r not found.' % filepath
|
filepath = os.path.abspath(filepath)
|
|
logging.info('Setup SIGINT listener for stop displaying.')
|
displaying = [True]
|
|
def handler(signum, frame):
|
"""Wait signal to clear running flag."""
|
if signum == signal.SIGINT:
|
displaying.pop()
|
|
signal.signal(signal.SIGINT, handler)
|
|
with chrome.Chrome() as cr, set_display_brightness(DISPLAY_LEVEL):
|
logging.info('Display chart file of path %r.', filepath)
|
tab = cr.browser.tabs[0]
|
tab.Navigate('file://' + filepath)
|
|
logging.info('Set chart tab fullscreen.')
|
kb = keyboard.Keyboard()
|
kb.press_key('f4')
|
kb.close()
|
|
while displaying:
|
time.sleep(1)
|
|
|
if __name__ == '__main__':
|
argparser = argparse.ArgumentParser(
|
description='Display chart file on chrome by using telemetry.'
|
' Send SIGINT or keyboard interrupt to stop displaying.')
|
argparser.add_argument('filepath', help='Path of displayed chart file.')
|
|
args = argparser.parse_args()
|
display(args.filepath)
|
