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1#!/usr/bin/env python
2#
3# Copyright 2013 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7"""Gets and writes the configurations of the attached devices.
8
9This configuration is used by later build steps to determine which devices to
10install to and what needs to be installed to those devices.
11"""
12
13import optparse
14import sys
15
16from util import build_utils
17from util import build_device
18
19
20def main(argv):
21  parser = optparse.OptionParser()
22  parser.add_option('--stamp', action='store')
23  parser.add_option('--output', action='store')
24  options, _ = parser.parse_args(argv)
25
26  devices = build_device.GetAttachedDevices()
27
28  device_configurations = []
29  for d in devices:
30    configuration, is_online, has_root = (
31        build_device.GetConfigurationForDevice(d))
32
33    if not is_online:
34      build_utils.PrintBigWarning(
35          '%s is not online. Skipping managed install for this device. '
36          'Try rebooting the device to fix this warning.' % d)
37      continue
38
39    if not has_root:
40      build_utils.PrintBigWarning(
41          '"adb root" failed on device: %s\n'
42          'Skipping managed install for this device.'
43          % configuration['description'])
44      continue
45
46    device_configurations.append(configuration)
47
48  if len(device_configurations) == 0:
49    build_utils.PrintBigWarning(
50        'No valid devices attached. Skipping managed install steps.')
51  elif len(devices) > 1:
52    # Note that this checks len(devices) and not len(device_configurations).
53    # This way, any time there are multiple devices attached it is
54    # explicitly stated which device we will install things to even if all but
55    # one device were rejected for other reasons (e.g. two devices attached,
56    # one w/o root).
57    build_utils.PrintBigWarning(
58        'Multiple devices attached. '
59        'Installing to the preferred device: '
60        '%(id)s (%(description)s)' % (device_configurations[0]))
61
62
63  build_device.WriteConfigurations(device_configurations, options.output)
64
65
66if __name__ == '__main__':
67  sys.exit(main(sys.argv))
68