android_webview/tools/webview_repack_locales.py

   1 #!/usr/bin/env python
   2 # Copyright (c) 2015 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5
   6 """Helper script to rename paks for a list of locales for the Android WebView.
   7
   8 Gyp doesn't have any built-in looping capability, so this just provides a way to
   9 loop over a list of locales when renaming pak files. Based on
  10 chrome/tools/build/repack_locales.py
  11 """
  12
  13 import optparse
  14 import os
  15 import shutil
  16 import sys
  17
  18 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..',
  19                              'tools', 'grit'))
  20 from grit.format import data_pack
  21
  22 def calc_output(locale):
  23   """Determine the file that will be generated for the given locale."""
  24   return os.path.join(PRODUCT_DIR, 'android_webview_assets',
  25                       'locales', locale + '.pak')
  26
  27 def calc_inputs(locale):
  28   """Determine the files that need processing for the given locale."""
  29   inputs = []
  30
  31   inputs.append(os.path.join(SHARE_INT_DIR, 'content', 'app', 'strings',
  32                              'content_strings_%s.pak' % locale))
  33   inputs.append(os.path.join(SHARE_INT_DIR, 'android_webview',
  34                              'aw_strings_%s.pak' % locale))
  35   return inputs
  36
  37 def list_outputs(locales):
  38   """Returns the names of files that will be generated for the given locales.
  39
  40   This is to provide gyp the list of output files, so build targets can
  41   properly track what needs to be built.
  42   """
  43   outputs = []
  44   for locale in locales:
  45     outputs.append(calc_output(locale))
  46   # Quote each element so filename spaces don't mess up gyp's attempt to parse
  47   # it into a list.
  48   return " ".join(['"%s"' % x for x in outputs])
  49
  50 def list_inputs(locales):
  51   """Returns the names of files that will be processed for the given locales.
  52
  53   This is to provide gyp the list of input files, so build targets can properly
  54   track their prerequisites.
  55   """
  56   inputs = []
  57   for locale in locales:
  58     inputs += calc_inputs(locale)
  59   # Quote each element so filename spaces don't mess up gyp's attempt to parse
  60   # it into a list.
  61   return " ".join(['"%s"' % x for x in inputs])
  62
  63 def repack_locales(locales):
  64   """ Loop over and repack the given locales."""
  65   for locale in locales:
  66     inputs = []
  67     inputs += calc_inputs(locale)
  68     output = calc_output(locale)
  69     data_pack.DataPack.RePack(output, inputs)
  70
  71 def DoMain(argv):
  72   global SHARE_INT_DIR
  73   global PRODUCT_DIR
  74
  75   parser = optparse.OptionParser("usage: %prog [options] locales")
  76   parser.add_option("-i", action="store_true", dest="inputs", default=False,
  77                     help="Print the expected input file list, then exit.")
  78   parser.add_option("-o", action="store_true", dest="outputs", default=False,
  79                     help="Print the expected output file list, then exit.")
  80   parser.add_option("-p", action="store", dest="product_dir",
  81                     help="Product build files output directory.")
  82   parser.add_option("-s", action="store", dest="share_int_dir",
  83                     help="Shared intermediate build files output directory.")
  84   options, locales = parser.parse_args(argv)
  85   if not locales:
  86     parser.error('Please specify at least one locale to process.\n')
  87
  88   print_inputs = options.inputs
  89   print_outputs = options.outputs
  90   SHARE_INT_DIR = options.share_int_dir
  91   PRODUCT_DIR = options.product_dir
  92
  93   if print_inputs and print_outputs:
  94     parser.error('Please specify only one of "-i" or "-o".\n')
  95
  96   if print_inputs:
  97     return list_inputs(locales)
  98
  99   if print_outputs:
 100     return list_outputs(locales)
 101
 102   return repack_locales(locales)
 103
 104 if __name__ == '__main__':
 105   results = DoMain(sys.argv[1:])
 106   if results:
 107     print results