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Unified Diff: build/android/gyp/locale_pak_resources.py

Issue 2369683002: Revert of Move language pak files to assets. (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: build/android/gyp/locale_pak_resources.py
diff --git a/build/android/gyp/locale_pak_resources.py b/build/android/gyp/locale_pak_resources.py
new file mode 100755
index 0000000000000000000000000000000000000000..73f4405112a507c88e83447899f1123fcb2a063d
--- /dev/null
+++ b/build/android/gyp/locale_pak_resources.py
@@ -0,0 +1,126 @@
+#!/usr/bin/env python
+#
+# Copyright 2015 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.
+"""Creates a resources.zip for locale .pak files.
+
+Places the locale.pak files into appropriate resource configs
+(e.g. en-GB.pak -> res/raw-en/en_gb.lpak). Also generates a locale_paks
+TypedArray so that resource files can be enumerated at runtime.
+"""
+
+import collections
+import optparse
+import os
+import sys
+import zipfile
+
+from util import build_utils
+
+
+# This should stay in sync with:
+# base/android/java/src/org/chromium/base/LocaleUtils.java
+_CHROME_TO_ANDROID_LOCALE_MAP = {
+ 'he': 'iw',
+ 'id': 'in',
+ 'fil': 'tl',
+}
+
+
+def ToResourceFileName(name):
+ """Returns the resource-compatible file name for the given file."""
+ # Resources file names must consist of [a-z0-9_.].
+ # Changes extension to .lpak so that compression can be toggled separately for
+ # locale pak files vs other pak files.
+ return name.replace('-', '_').replace('.pak', '.lpak').lower()
+
+
+def CreateLocalePaksXml(names):
+ """Creates the contents for the locale-paks.xml files."""
+ VALUES_FILE_TEMPLATE = '''<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <array name="locale_paks">%s
+ </array>
+</resources>
+'''
+ VALUES_ITEM_TEMPLATE = '''
+ <item>@raw/%s</item>'''
+
+ res_names = (os.path.splitext(name)[0] for name in names)
+ items = ''.join((VALUES_ITEM_TEMPLATE % name for name in res_names))
+ return VALUES_FILE_TEMPLATE % items
+
+
+def ComputeMappings(sources):
+ """Computes the mappings of sources -> resources.
+
+ Returns a tuple of:
+ - mappings: List of (src, dest) paths
+ - lang_to_locale_map: Map of language -> list of resource names
+ e.g. "en" -> ["en_gb.lpak"]
+ """
+ lang_to_locale_map = collections.defaultdict(list)
+ mappings = []
+ for src_path in sources:
+ basename = os.path.basename(src_path)
+ name = os.path.splitext(basename)[0]
+ res_name = ToResourceFileName(basename)
+ if name == 'en-US':
+ dest_dir = 'raw'
+ else:
+ # Chrome's uses different region mapping logic from Android, so include
+ # all regions for each language.
+ android_locale = _CHROME_TO_ANDROID_LOCALE_MAP.get(name, name)
+ lang = android_locale[0:2]
+ dest_dir = 'raw-' + lang
+ lang_to_locale_map[lang].append(res_name)
+ mappings.append((src_path, os.path.join(dest_dir, res_name)))
+ return mappings, lang_to_locale_map
+
+
+def main():
+ parser = optparse.OptionParser()
+ build_utils.AddDepfileOption(parser)
+ parser.add_option('--locale-paks', help='List of files for res/raw-LOCALE')
+ parser.add_option('--resources-zip', help='Path to output resources.zip')
+ parser.add_option('--print-languages',
+ action='store_true',
+ help='Print out the list of languages that cover the given locale paks '
+ '(using Android\'s language codes)')
+
+ options, _ = parser.parse_args()
+ build_utils.CheckOptions(options, parser,
+ required=['locale_paks'])
+
+ sources = build_utils.ParseGnList(options.locale_paks)
+
+ if options.depfile:
+ assert options.resources_zip
+ build_utils.WriteDepfile(options.depfile, options.resources_zip, sources)
+
+ mappings, lang_to_locale_map = ComputeMappings(sources)
+ if options.print_languages:
+ print '\n'.join(sorted(lang_to_locale_map))
+
+ if options.resources_zip:
+ with zipfile.ZipFile(options.resources_zip, 'w', zipfile.ZIP_STORED) as out:
+ for mapping in mappings:
+ out.write(mapping[0], mapping[1])
+
+ # Create TypedArray resources so ResourceExtractor can enumerate files.
+ def WriteValuesFile(lang, names):
+ dest_dir = 'values'
+ if lang:
+ dest_dir += '-' + lang
+ # Always extract en-US.lpak since it's the fallback.
+ xml = CreateLocalePaksXml(names + ['en_us.lpak'])
+ out.writestr(os.path.join(dest_dir, 'locale-paks.xml'), xml)
+
+ for lang, names in lang_to_locale_map.iteritems():
+ WriteValuesFile(lang, names)
+ WriteValuesFile(None, [])
+
+
+if __name__ == '__main__':
+ sys.exit(main())
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