[WebView] Repack the .pak files for all the locales.

android_webview/tools/webview_locales_rename_paks.py

Index: android_webview/tools/webview_locales_rename_paks.py
diff --git a/android_webview/tools/webview_locales_rename_paks.py b/android_webview/tools/webview_locales_rename_paks.py
new file mode 100755
index 0000000000000000000000000000000000000000..4bc77e56806b93a80135f282f995fbf05cab8608
--- /dev/null
+++ b/android_webview/tools/webview_locales_rename_paks.py
@@ -0,0 +1,98 @@
+#!/usr/bin/env python
+# Copyright (c) 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.
+
+"""Helper script to rename paks for a list of locales for the Android WebView.
+
+Gyp doesn't have any built-in looping capability, so this just provides a way to
+loop over a list of locales when renaming pak files. Based on
+chrome/tools/build/repack_locales.py
+"""
+
+import optparse
+import os
+import shutil
+import sys
+
+def calc_output(locale):
+  """Determine the file that will be generated for the given locale."""
+  return os.path.join(PRODUCT_DIR, 'android_webview_assets',
+                      'locales', locale + '.pak')
+
+def calc_input(locale):
+  """Determine the file that needs processing for the given locale."""
+  return os.path.join(SHARE_INT_DIR, 'content', 'app', 'strings',
+                  'content_strings_%s.pak' % locale)
+
+def list_outputs(locales):
+  """Returns the names of the files that will be generated for the given
+  locales.
+
+  This is to provide gyp the list of output files, so build targets can
+  properly track what needs to be built.
+  """
+  return list_files(locales, calc_output)
+
+def list_inputs(locales):
+  """Returns the names of the files that will be processed for the given
+  locales.
+
+  This is to provide gyp the list of input files, so build targets can properly
+  track their prerequisites.
+  """
+  return list_files(locales, calc_input)
+
+def list_files(locales, filename_func):
+  """Returns the names of the files generated by filename_func for a list of
+  locales.
+
+  :param filename_func: function that generates a filename for a given locale
+  """
+  files = []
+  for locale in locales:
+    files.append(filename_func(locale))
+  return " ".join(['"%s"' % x for x in files])
+
+def rename_locales(locales):
+  """ Loop over and renames the given locales."""
+  for locale in locales:
+    shutil.copy(calc_input(locale), calc_output(locale))
+
+def DoMain(argv):
+  global SHARE_INT_DIR
+  global PRODUCT_DIR
+
+  parser = optparse.OptionParser("usage: %prog [options] locales")
+  parser.add_option("-i", action="store_true", dest="inputs", default=False,
+                    help="Print the expected input file list, then exit.")
+  parser.add_option("-o", action="store_true", dest="outputs", default=False,
+                    help="Print the expected output file list, then exit.")
+  parser.add_option("-p", action="store", dest="product_dir",
+                    help="Product build files output directory.")
+  parser.add_option("-s", action="store", dest="share_int_dir",
+                    help="Shared intermediate build files output directory.")
+  options, locales = parser.parse_args(argv)
+  if not locales:
+    parser.error('Please specify at least one locale to process.\n')
+
+  print_inputs = options.inputs
+  print_outputs = options.outputs
+  SHARE_INT_DIR = options.share_int_dir
+  PRODUCT_DIR = options.product_dir
+
+  if print_inputs and print_outputs:
+    parser.error('Please specify only one of "-i" or "-o".\n')
+
+  if print_inputs:
+    return list_inputs(locales)
+
+  if print_outputs:
+    return list_outputs(locales)
+
+  return rename_locales(locales)
+
+if __name__ == '__main__':
+  results = DoMain(sys.argv[1:])
+  if results:
+    print results