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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
16BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..', '..')
17sys.path.append(BUILD_ANDROID_DIR)
18
19from pylib import android_commands
20from pylib.device import device_errors
21from pylib.device import device_utils
22
23GetAttachedDevices = android_commands.GetAttachedDevices
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 PushIfNeeded(self, *args, **kwargs):
37    return self.device.old_interface.PushIfNeeded(*args, **kwargs)
38
39  def GetSerialNumber(self):
40    return self.id
41
42  def Install(self, *args, **kwargs):
43    return self.device.old_interface.Install(*args, **kwargs)
44
45  def GetInstallMetadata(self, apk_package):
46    """Gets the metadata on the device for the apk_package apk."""
47    # Matches lines like:
48    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
49    #   org.chromium.chrome.shell.apk
50    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
51    #   org.chromium.chrome.shell-1.apk
52    apk_matcher = lambda s: re.match('.*%s(-[0-9]*)?.apk$' % apk_package, s)
53    matches = filter(apk_matcher, self.install_metadata)
54    return matches[0] if matches else None
55
56
57def GetConfigurationForDevice(device_id):
58  device = device_utils.DeviceUtils(device_id)
59  configuration = None
60  has_root = False
61  is_online = device.IsOnline()
62  if is_online:
63    cmd = 'ls -l /data/app; getprop ro.build.description'
64    cmd_output = device.RunShellCommand(cmd)
65    has_root = not 'Permission denied' in cmd_output[0]
66    if not has_root:
67      # Disable warning log messages from EnableRoot()
68      logging.getLogger().disabled = True
69      try:
70        device.EnableRoot()
71        has_root = True
72      except device_errors.CommandFailedError:
73        has_root = False
74      finally:
75        logging.getLogger().disabled = False
76      cmd_output = device.RunShellCommand(cmd)
77
78    configuration = {
79        'id': device_id,
80        'description': cmd_output[-1],
81        'install_metadata': cmd_output[:-1],
82      }
83  return configuration, is_online, has_root
84
85
86def WriteConfigurations(configurations, path):
87  # Currently we only support installing to the first device.
88  build_utils.WriteJson(configurations[:1], path, only_if_changed=True)
89
90
91def ReadConfigurations(path):
92  return build_utils.ReadJson(path)
93
94
95def GetBuildDevice(configurations):
96  assert len(configurations) == 1
97  return BuildDevice(configurations[0])
98
99
100def GetBuildDeviceFromPath(path):
101  configurations = ReadConfigurations(path)
102  if len(configurations) > 0:
103    return GetBuildDevice(ReadConfigurations(path))
104  return None
105
106