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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"""Creates symlinks to native libraries for an APK.
8
9The native libraries should have previously been pushed to the device (in
10options.target_dir). This script then creates links in an apk's lib/ folder to
11those native libraries.
12"""
13
14import optparse
15import os
16import sys
17
18from util import build_device
19from util import build_utils
20
21BUILD_ANDROID_DIR = os.path.join(os.path.dirname(__file__), '..')
22sys.path.append(BUILD_ANDROID_DIR)
23
24from pylib import constants
25from pylib.utils import apk_helper
26
27def 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
36def 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
54def 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, options.script_device_path)
68
69  trigger_cmd = (
70      'APK_LIBRARIES_DIR=%(apk_libraries_dir)s; '
71      'STRIPPED_LIBRARIES_DIR=%(target_dir)s; '
72      '. %(script_device_path)s'
73      ) % {
74          'apk_libraries_dir': apk_libraries_dir,
75          'target_dir': options.target_dir,
76          'script_device_path': options.script_device_path
77          }
78  RunShellCommand(device, trigger_cmd)
79
80
81def main(args):
82  args = build_utils.ExpandFileArgs(args)
83  parser = optparse.OptionParser()
84  parser.add_option('--apk', help='Path to the apk.')
85  parser.add_option('--script-host-path',
86      help='Path on the host for the symlink script.')
87  parser.add_option('--script-device-path',
88      help='Path on the device to push the created symlink script.')
89  parser.add_option('--libraries',
90      help='List of native libraries.')
91  parser.add_option('--target-dir',
92      help='Device directory that contains the target libraries for symlinks.')
93  parser.add_option('--stamp', help='Path to touch on success.')
94  parser.add_option('--build-device-configuration',
95      help='Path to build device configuration.')
96  parser.add_option('--configuration-name',
97      help='The build CONFIGURATION_NAME')
98  options, _ = parser.parse_args(args)
99
100  required_options = ['apk', 'libraries', 'script_host_path',
101      'script_device_path', 'target_dir', 'configuration_name']
102  build_utils.CheckOptions(options, parser, required=required_options)
103  constants.SetBuildType(options.configuration_name)
104
105  CreateSymlinkScript(options)
106  TriggerSymlinkScript(options)
107
108  if options.stamp:
109    build_utils.Touch(options.stamp)
110
111
112if __name__ == '__main__':
113  sys.exit(main(sys.argv[1:]))
114