• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1# Copyright 2013 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5""" A simple device interface for build steps.
6
7"""
8
9import logging
10import os
11import re
12import sys
13
14from util import build_utils
15
16from devil.android import device_errors
17from devil.android import device_utils
18from devil.android.sdk import adb_wrapper
19
20
21def GetAttachedDevices():
22  return [a.GetDeviceSerial()
23          for a in adb_wrapper.AdbWrapper.Devices()]
24
25
26class BuildDevice(object):
27  def __init__(self, configuration):
28    self.id = configuration['id']
29    self.description = configuration['description']
30    self.install_metadata = configuration['install_metadata']
31    self.device = device_utils.DeviceUtils(self.id)
32
33  def RunShellCommand(self, *args, **kwargs):
34    return self.device.RunShellCommand(*args, **kwargs)
35
36  def PushChangedFiles(self, *args, **kwargs):
37    return self.device.PushChangedFiles(*args, **kwargs)
38
39  def GetSerialNumber(self):
40    return self.id
41
42  def Install(self, *args, **kwargs):
43    return self.device.Install(*args, **kwargs)
44
45  def InstallSplitApk(self, *args, **kwargs):
46    return self.device.InstallSplitApk(*args, **kwargs)
47
48  def GetInstallMetadata(self, apk_package):
49    """Gets the metadata on the device for the apk_package apk."""
50    # Matches lines like:
51    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
52    #   org.chromium.chrome.apk
53    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
54    #   org.chromium.chrome-1.apk
55    apk_matcher = lambda s: re.match('.*%s(-[0-9]*)?.apk$' % apk_package, s)
56    matches = filter(apk_matcher, self.install_metadata)
57    return matches[0] if matches else None
58
59
60def GetConfigurationForDevice(device_id):
61  device = device_utils.DeviceUtils(device_id)
62  configuration = None
63  has_root = False
64  is_online = device.IsOnline()
65  if is_online:
66    cmd = 'ls -l /data/app; getprop ro.build.description'
67    cmd_output = device.RunShellCommand(cmd)
68    has_root = not 'Permission denied' in cmd_output[0]
69    if not has_root:
70      # Disable warning log messages from EnableRoot()
71      logging.getLogger().disabled = True
72      try:
73        device.EnableRoot()
74        has_root = True
75      except device_errors.CommandFailedError:
76        has_root = False
77      finally:
78        logging.getLogger().disabled = False
79      cmd_output = device.RunShellCommand(cmd)
80
81    configuration = {
82        'id': device_id,
83        'description': cmd_output[-1],
84        'install_metadata': cmd_output[:-1],
85      }
86  return configuration, is_online, has_root
87
88
89def WriteConfigurations(configurations, path):
90  # Currently we only support installing to the first device.
91  build_utils.WriteJson(configurations[:1], path, only_if_changed=True)
92
93
94def ReadConfigurations(path):
95  return build_utils.ReadJson(path)
96
97
98def GetBuildDevice(configurations):
99  assert len(configurations) == 1
100  return BuildDevice(configurations[0])
101
102
103def GetBuildDeviceFromPath(path):
104  configurations = ReadConfigurations(path)
105  if len(configurations) > 0:
106    return GetBuildDevice(ReadConfigurations(path))
107  return None
108
109