[Android] Add an action to check/record attached devices

build/android/gyp/util/build_device.py

Index: build/android/gyp/util/build_device.py
diff --git a/build/android/gyp/util/build_device.py b/build/android/gyp/util/build_device.py
new file mode 100644
index 0000000000000000000000000000000000000000..11f6277453ba67dbf0dec15517f09c6a2721169b
--- /dev/null
+++ b/build/android/gyp/util/build_device.py
@@ -0,0 +1,98 @@
+# Copyright 2013 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+""" A simple device interface for build steps.
+
+"""
+
+import logging
+import os
+import re
+import sys
+
+import build_utils
+
+BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..', '..')
+sys.path.append(BUILD_ANDROID_DIR)
+
+from pylib import android_commands
+
+from pylib.android_commands import GetAttachedDevices
+
+
+class BuildDevice(object):
+  def __init__(self, configuration):
+    self.id = configuration['id']
+    self.description = configuration['description']
+    self.install_metadata = configuration['install_metadata']
+    self.adb = android_commands.AndroidCommands(self.id)
+
+  def RunShellCommand(self, *args, **kwargs):
+    return self.adb.RunShellCommand(*args, **kwargs)
+
+  def PushIfNeeded(self, *args, **kwargs):
+    return self.adb.PushIfNeeded(*args, **kwargs)
+
+  def GetSerialNumber(self):
+    return self.id
+
+  def Install(self, *args, **kwargs):
+    return self.adb.Install(*args, **kwargs)
+
+  def GetInstallMetadata(self, apk_package):
+    """Gets the metadata on the device for the apk_package apk."""
+    # Matches lines like:
+    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
+    #   org.chromium.chrome.testshell.apk
+    # -rw-r--r-- system   system    7376582 2013-04-19 16:34 \
+    #   org.chromium.chrome.testshell-1.apk
+    apk_matcher = lambda s: re.match('.*%s(-[0-9]*)?.apk$' % apk_package, s)
+    matches = filter(apk_matcher, self.install_metadata)
+    return matches[0] if matches else None
+
+
+def GetConfigurationForDevice(id):
+  adb = android_commands.AndroidCommands(id)
+  configuration = None
+  has_root = False
+  is_online = adb.IsOnline()
+  if is_online:
+    cmd = 'ls -l /data/app; getprop ro.build.description'
+    cmd_output = adb.RunShellCommand(cmd)
+    has_root = not 'Permission denied' in cmd_output[0]
+    if not has_root:
+      # Disable warning log messages from EnableAdbRoot()
+      logging.getLogger().disabled = True
+      has_root = adb.EnableAdbRoot()
+      logging.getLogger().disabled = False
+      cmd_output = adb.RunShellCommand(cmd)
+
+    configuration = {
+        'id': id,
+        'description': cmd_output[-1],
+        'install_metadata': cmd_output[:-1],
+      }
+  return configuration, is_online, has_root
+
+
+def WriteConfigurations(configurations, path):
+  # Currently we only support installing to the first device.
+  build_utils.WriteJson(configurations[:1], path, only_if_changed=True)
+
+
+def ReadConfigurations(path):
+  return build_utils.ReadJson(path)
+
+
+def GetBuildDevice(configurations):
+  assert len(configurations) == 1
+  return BuildDevice(configurations[0])
+
+
+def GetBuildDeviceFromPath(path):
+  configurations = ReadConfigurations(path)
+  if len(configurations) > 0:
+    return GetBuildDevice(ReadConfigurations(path))
+  return None
+