Removes files from //build that we don't need

build/android/gyp/package_resources.py

-#!/usr/bin/env python
-#
-# Copyright 2014 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.
-
-# pylint: disable=C0301
-"""Package resources into an apk.
-
-See https://android.googlesource.com/platform/tools/base/+/master/legacy/ant-tasks/src/main/java/com/android/ant/AaptExecTask.java
-and
-https://android.googlesource.com/platform/sdk/+/master/files/ant/build.xml
-"""
-# pylint: enable=C0301
-
-import optparse
-import os
-import re
-import shutil
-import zipfile
-
-from util import build_utils
-
-
-# List is generated from the chrome_apk.apk_intermediates.ap_ via:
-#     unzip -l $FILE_AP_ | cut -c31- | grep res/draw | cut -d'/' -f 2 | sort \
-#     | uniq | grep -- -tvdpi- | cut -c10-
-# and then manually sorted.
-# Note that we can't just do a cross-product of dimentions because the filenames
-# become too big and aapt fails to create the files.
-# This leaves all default drawables (mdpi) in the main apk. Android gets upset
-# though if any drawables are missing from the default drawables/ directory.
-DENSITY_SPLITS = {
-    'hdpi': (
-        'hdpi-v4', # Order matters for output file names.
-        'ldrtl-hdpi-v4',
-        'sw600dp-hdpi-v13',
-        'ldrtl-hdpi-v17',
-        'ldrtl-sw600dp-hdpi-v17',
-        'hdpi-v21',
-    ),
-    'xhdpi': (
-        'xhdpi-v4',
-        'ldrtl-xhdpi-v4',
-        'sw600dp-xhdpi-v13',
-        'ldrtl-xhdpi-v17',
-        'ldrtl-sw600dp-xhdpi-v17',
-        'xhdpi-v21',
-    ),
-    'xxhdpi': (
-        'xxhdpi-v4',
-        'ldrtl-xxhdpi-v4',
-        'sw600dp-xxhdpi-v13',
-        'ldrtl-xxhdpi-v17',
-        'ldrtl-sw600dp-xxhdpi-v17',
-        'xxhdpi-v21',
-    ),
-    'xxxhdpi': (
-        'xxxhdpi-v4',
-        'ldrtl-xxxhdpi-v4',
-        'sw600dp-xxxhdpi-v13',
-        'ldrtl-xxxhdpi-v17',
-        'ldrtl-sw600dp-xxxhdpi-v17',
-        'xxxhdpi-v21',
-    ),
-    'tvdpi': (
-        'tvdpi-v4',
-        'sw600dp-tvdpi-v13',
-        'ldrtl-sw600dp-tvdpi-v17',
-    ),
-}
-
-
-def ParseArgs():
-  """Parses command line options.
-
-  Returns:
-    An options object as from optparse.OptionsParser.parse_args()
-  """
-  parser = optparse.OptionParser()
-  build_utils.AddDepfileOption(parser)
-  parser.add_option('--android-sdk', help='path to the Android SDK folder')
-  parser.add_option('--aapt-path',
-                    help='path to the Android aapt tool')
-
-  parser.add_option('--configuration-name',
-                    help='Gyp\'s configuration name (Debug or Release).')
-
-  parser.add_option('--android-manifest', help='AndroidManifest.xml path')
-  parser.add_option('--version-code', help='Version code for apk.')
-  parser.add_option('--version-name', help='Version name for apk.')
-  parser.add_option(
-      '--shared-resources',
-      action='store_true',
-      help='Make a resource package that can be loaded by a different'
-      'application at runtime to access the package\'s resources.')
-  parser.add_option('--resource-zips',
-                    help='zip files containing resources to be packaged')
-  parser.add_option('--asset-dir',
-                    help='directories containing assets to be packaged')
-  parser.add_option('--no-compress', help='disables compression for the '
-                    'given comma separated list of extensions')
-  parser.add_option(
-      '--create-density-splits',
-      action='store_true',
-      help='Enables density splits')
-  parser.add_option('--language-splits',
-                    help='GYP list of languages to create splits for')
-
-  parser.add_option('--apk-path',
-                    help='Path to output (partial) apk.')
-
-  (options, args) = parser.parse_args()
-
-  if args:
-    parser.error('No positional arguments should be given.')
-
-  # Check that required options have been provided.
-  required_options = ('android_sdk', 'aapt_path', 'configuration_name',
-                      'android_manifest', 'version_code', 'version_name',
-                      'apk_path')
-
-  build_utils.CheckOptions(options, parser, required=required_options)
-
-  return options
-
-
-def MoveImagesToNonMdpiFolders(res_root):
-  """Move images from drawable-*-mdpi-* folders to drawable-* folders.
-
-  Why? http://crbug.com/289843
-  """
-  for src_dir_name in os.listdir(res_root):
-    src_components = src_dir_name.split('-')
-    if src_components[0] != 'drawable' or 'mdpi' not in src_components:
-      continue
-    src_dir = os.path.join(res_root, src_dir_name)
-    if not os.path.isdir(src_dir):
-      continue
-    dst_components = [c for c in src_components if c != 'mdpi']
-    assert dst_components != src_components
-    dst_dir_name = '-'.join(dst_components)
-    dst_dir = os.path.join(res_root, dst_dir_name)
-    build_utils.MakeDirectory(dst_dir)
-    for src_file_name in os.listdir(src_dir):
-      if not src_file_name.endswith('.png'):
-        continue
-      src_file = os.path.join(src_dir, src_file_name)
-      dst_file = os.path.join(dst_dir, src_file_name)
-      assert not os.path.lexists(dst_file)
-      shutil.move(src_file, dst_file)
-
-
-def PackageArgsForExtractedZip(d):
-  """Returns the aapt args for an extracted resources zip.
-
-  A resources zip either contains the resources for a single target or for
-  multiple targets. If it is multiple targets merged into one, the actual
-  resource directories will be contained in the subdirectories 0, 1, 2, ...
-  """
-  subdirs = [os.path.join(d, s) for s in os.listdir(d)]
-  subdirs = [s for s in subdirs if os.path.isdir(s)]
-  is_multi = '0' in [os.path.basename(s) for s in subdirs]
-  if is_multi:
-    res_dirs = sorted(subdirs, key=lambda p : int(os.path.basename(p)))
-  else:
-    res_dirs = [d]
-  package_command = []
-  for d in res_dirs:
-    MoveImagesToNonMdpiFolders(d)
-    package_command += ['-S', d]
-  return package_command
-
-
-def RenameDensitySplits(apk_path):
-  """Renames all density splits to have shorter / predictable names."""
-  for density, config in DENSITY_SPLITS.iteritems():
-    src_path = '%s_%s' % (apk_path, '_'.join(config))
-    dst_path = '%s_%s' % (apk_path, density)
-    if src_path != dst_path:
-      if os.path.exists(dst_path):
-        os.unlink(dst_path)
-      os.rename(src_path, dst_path)
-
-
-def CheckForMissedConfigs(apk_path, check_density, languages):
-  """Raises an exception if apk_path contains any unexpected configs."""
-  triggers = []
-  if check_density:
-    triggers.extend(re.compile('-%s' % density) for density in DENSITY_SPLITS)
-  if languages:
-    triggers.extend(re.compile(r'-%s\b' % lang) for lang in languages)
-  with zipfile.ZipFile(apk_path) as main_apk_zip:
-    for name in main_apk_zip.namelist():
-      for trigger in triggers:
-        if trigger.search(name) and not 'mipmap-' in name:
-          raise Exception(('Found config in main apk that should have been ' +
-                           'put into a split: %s\nYou need to update ' +
-                           'package_resources.py to include this new ' +
-                           'config (trigger=%s)') % (name, trigger.pattern))
-
-
-def main():
-  options = ParseArgs()
-  android_jar = os.path.join(options.android_sdk, 'android.jar')
-  aapt = options.aapt_path
-
-  with build_utils.TempDir() as temp_dir:
-    package_command = [aapt,
-                       'package',
-                       '--version-code', options.version_code,
-                       '--version-name', options.version_name,
-                       '-M', options.android_manifest,
-                       '--no-crunch',
-                       '-f',
-                       '--auto-add-overlay',
-                       '-I', android_jar,
-                       '-F', options.apk_path,
-                       '--ignore-assets', build_utils.AAPT_IGNORE_PATTERN,
-                       ]
-
-    if options.no_compress:
-      for ext in options.no_compress.split(','):
-        package_command += ['-0', ext]
-    if options.shared_resources:
-      package_command.append('--shared-lib')
-
-    if options.asset_dir and os.path.exists(options.asset_dir):
-      package_command += ['-A', options.asset_dir]
-
-    if options.resource_zips:
-      dep_zips = build_utils.ParseGypList(options.resource_zips)
-      for z in dep_zips:
-        subdir = os.path.join(temp_dir, os.path.basename(z))
-        if os.path.exists(subdir):
-          raise Exception('Resource zip name conflict: ' + os.path.basename(z))
-        build_utils.ExtractAll(z, path=subdir)
-        package_command += PackageArgsForExtractedZip(subdir)
-
-    if options.create_density_splits:
-      for config in DENSITY_SPLITS.itervalues():
-        package_command.extend(('--split', ','.join(config)))
-
-    language_splits = None
-    if options.language_splits:
-      language_splits = build_utils.ParseGypList(options.language_splits)
-      for lang in language_splits:
-        package_command.extend(('--split', lang))
-
-    if 'Debug' in options.configuration_name:
-      package_command += ['--debug-mode']
-
-    build_utils.CheckOutput(
-        package_command, print_stdout=False, print_stderr=False)
-
-    if options.create_density_splits or language_splits:
-      CheckForMissedConfigs(
-          options.apk_path, options.create_density_splits, language_splits)
-
-    if options.create_density_splits:
-      RenameDensitySplits(options.apk_path)
-
-    if options.depfile:
-      build_utils.WriteDepfile(
-          options.depfile,
-          build_utils.GetPythonDependencies())
-
-
-if __name__ == '__main__':
-  main()