build/android/gyp/create_device_library_links.py

   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 """Creates symlinks to native libraries for an APK.
   8
   9 The native libraries should have previously been pushed to the device (in
  10 options.target_dir). This script then creates links in an apk's lib/ folder to
  11 those native libraries.
  12 """
  13
  14 import optparse
  15 import os
  16 import sys
  17
  18 from util import build_device
  19 from util import build_utils
  20
  21 BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..')
  22 sys.path.append(BUILD_ANDROID_DIR)
  23
  24 from pylib import constants
  25 from pylib.utils import apk_helper
  26
  27 def RunShellCommand(device, cmd):
  28   output = device.RunShellCommand(cmd)
  29
  30   if output:
  31     raise Exception(
  32         'Unexpected output running command: ' + cmd + '\n' +
  33         '\n'.join(output))
  34
  35
  36 def CreateSymlinkScript(options):
  37   libraries = build_utils.ParseGypList(options.libraries)
  38
  39   link_cmd = (
  40       'rm $APK_LIBRARIES_DIR/%(lib_basename)s > /dev/null 2>&1 \n'
  41       'ln -s $STRIPPED_LIBRARIES_DIR/%(lib_basename)s '
  42         '$APK_LIBRARIES_DIR/%(lib_basename)s \n'
  43       )
  44
  45   script = '#!/bin/sh \n'
  46
  47   for lib in libraries:
  48     script += link_cmd % { 'lib_basename': lib }
  49
  50   with open(options.script_host_path, 'w') as scriptfile:
  51     scriptfile.write(script)
  52
  53
  54 def TriggerSymlinkScript(options):
  55   device = build_device.GetBuildDeviceFromPath(
  56       options.build_device_configuration)
  57   if not device:
  58     return
  59
  60   apk_package = apk_helper.GetPackageName(options.apk)
  61   apk_libraries_dir = '/data/data/%s/lib' % apk_package
  62
  63   device_dir = os.path.dirname(options.script_device_path)
  64   mkdir_cmd = ('if [ ! -e %(dir)s ]; then mkdir -p %(dir)s; fi ' %
  65       { 'dir': device_dir })
  66   RunShellCommand(device, mkdir_cmd)
  67   device.PushChangedFiles([(options.script_host_path,
  68                             options.script_device_path)])
  69
  70   trigger_cmd = (
  71       'APK_LIBRARIES_DIR=%(apk_libraries_dir)s; '
  72       'STRIPPED_LIBRARIES_DIR=%(target_dir)s; '
  73       '. %(script_device_path)s'
  74       ) % {
  75           'apk_libraries_dir': apk_libraries_dir,
  76           'target_dir': options.target_dir,
  77           'script_device_path': options.script_device_path
  78           }
  79   RunShellCommand(device, trigger_cmd)
  80
  81
  82 def main(args):
  83   args = build_utils.ExpandFileArgs(args)
  84   parser = optparse.OptionParser()
  85   parser.add_option('--apk', help='Path to the apk.')
  86   parser.add_option('--script-host-path',
  87       help='Path on the host for the symlink script.')
  88   parser.add_option('--script-device-path',
  89       help='Path on the device to push the created symlink script.')
  90   parser.add_option('--libraries',
  91       help='List of native libraries.')
  92   parser.add_option('--target-dir',
  93       help='Device directory that contains the target libraries for symlinks.')
  94   parser.add_option('--stamp', help='Path to touch on success.')
  95   parser.add_option('--build-device-configuration',
  96       help='Path to build device configuration.')
  97   parser.add_option('--configuration-name',
  98       help='The build CONFIGURATION_NAME')
  99   options, _ = parser.parse_args(args)
 100
 101   required_options = ['apk', 'libraries', 'script_host_path',
 102       'script_device_path', 'target_dir', 'configuration_name']
 103   build_utils.CheckOptions(options, parser, required=required_options)
 104   constants.SetBuildType(options.configuration_name)
 105
 106   CreateSymlinkScript(options)
 107   TriggerSymlinkScript(options)
 108
 109   if options.stamp:
 110     build_utils.Touch(options.stamp)
 111
 112
 113 if __name__ == '__main__':
 114   sys.exit(main(sys.argv[1:]))