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79 lines
2.6 KiB
Python
Executable File
79 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Utility for reading / writing command-line flag files on device(s)."""
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import argparse
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import os
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import sys
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import devil_chromium
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from devil.android import device_utils
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from devil.android import flag_changer
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from devil.utils import cmd_helper
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.usage = '''%(prog)s --name FILENAME [--device SERIAL] [flags...]
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No flags: Prints existing command-line file.
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Empty string: Deletes command-line file.
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Otherwise: Writes command-line file.
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'''
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parser.add_argument('-d', '--device', dest='devices', action='append',
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default=[], help='Target device serial (repeatable).')
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parser.add_argument('--name', required=True,
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help='Name of file where to store flags on the device.')
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parser.add_argument('-e', '--executable', dest='executable', default='chrome',
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help='(deprecated) No longer used.')
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parser.add_argument('--adb-path', type=os.path.abspath,
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help='Path to the adb binary.')
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args, remote_args = parser.parse_known_args()
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devil_chromium.Initialize(adb_path=args.adb_path)
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devices = device_utils.DeviceUtils.HealthyDevices(device_arg=args.devices,
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default_retries=0)
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all_devices = device_utils.DeviceUtils.parallel(devices)
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if not remote_args:
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# No args == do not update, just print flags.
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remote_args = None
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action = ''
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elif len(remote_args) == 1 and not remote_args[0]:
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# Single empty string arg == delete flags
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remote_args = []
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action = 'Deleted command line file. '
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else:
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action = 'Wrote command line file. '
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def update_flags(device):
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changer = flag_changer.FlagChanger(device, args.name)
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if remote_args is not None:
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flags = changer.ReplaceFlags(remote_args)
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else:
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flags = changer.GetCurrentFlags()
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return (device, device.build_description, flags)
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updated_values = all_devices.pMap(update_flags).pGet(None)
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print '%sCurrent flags (in %s):' % (action, args.name)
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for d, desc, flags in updated_values:
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if flags:
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# Shell-quote flags for easy copy/paste as new args on the terminal.
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quoted_flags = ' '.join(cmd_helper.SingleQuote(f) for f in sorted(flags))
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else:
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quoted_flags = '( empty )'
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print ' %s (%s): %s' % (d, desc, quoted_flags)
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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