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      1 #!/usr/bin/env python
      2 # Copyright 2014 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 repack paks for a list of locales.
      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 repacking pak files, thus avoiding a
     10 proliferation of mostly duplicate, cut-n-paste gyp actions.
     11 """
     12 
     13 import optparse
     14 import os
     15 import sys
     16 
     17 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', '..',
     18                              'tools', 'grit'))
     19 from grit.format import data_pack
     20 
     21 # Some build paths defined by gyp.
     22 GRIT_DIR = None
     23 INT_DIR = None
     24 CHROMECAST_BRANDING = None
     25 
     26 class Usage(Exception):
     27   def __init__(self, msg):
     28     self.msg = msg
     29 
     30 
     31 def calc_output(locale):
     32   """Determine the file that will be generated for the given locale."""
     33   #e.g. '<(INTERMEDIATE_DIR)/repack/da.pak',
     34   # For Fake Bidi, generate it at a fixed path so that tests can safely
     35   # reference it.
     36   if locale == 'fake-bidi':
     37     return '%s/%s.pak' % (INT_DIR, locale)
     38   return os.path.join(INT_DIR, locale + '.pak')
     39 
     40 
     41 def calc_inputs(locale):
     42   """Determine the files that need processing for the given locale."""
     43   inputs = []
     44   if CHROMECAST_BRANDING == 'Chrome':
     45     inputs.append(os.path.join(GRIT_DIR, 'app_strings_%s.pak' % locale))
     46   inputs.append(os.path.join(GRIT_DIR, 'chromecast_settings_%s.pak' % locale))
     47   return inputs
     48 
     49 
     50 def list_outputs(locales):
     51   """Returns the names of files that will be generated for the given locales.
     52 
     53   This is to provide gyp the list of output files, so build targets can
     54   properly track what needs to be built.
     55   """
     56   outputs = []
     57   for locale in locales:
     58     outputs.append(calc_output(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 outputs])
     62 
     63 
     64 def list_inputs(locales):
     65   """Returns the names of files that will be processed for the given locales.
     66 
     67   This is to provide gyp the list of input files, so build targets can properly
     68   track their prerequisites.
     69   """
     70   inputs = []
     71   for locale in locales:
     72     inputs += calc_inputs(locale)
     73   # Quote each element so filename spaces don't mess up gyp's attempt to parse
     74   # it into a list.
     75   return " ".join(['"%s"' % x for x in inputs])
     76 
     77 
     78 def repack_locales(locales):
     79   """ Loop over and repack the given locales."""
     80   for locale in locales:
     81     inputs = []
     82     inputs += calc_inputs(locale)
     83     output = calc_output(locale)
     84     data_pack.DataPack.RePack(output, inputs)
     85 
     86 
     87 def DoMain(argv):
     88   global CHROMECAST_BRANDING
     89   global GRIT_DIR
     90   global INT_DIR
     91 
     92   parser = optparse.OptionParser("usage: %prog [options] locales")
     93   parser.add_option("-i", action="store_true", dest="inputs", default=False,
     94                     help="Print the expected input file list, then exit.")
     95   parser.add_option("-o", action="store_true", dest="outputs", default=False,
     96                     help="Print the expected output file list, then exit.")
     97   parser.add_option("-g", action="store", dest="grit_dir",
     98                     help="GRIT build files output directory.")
     99   parser.add_option("-x", action="store", dest="int_dir",
    100                     help="Intermediate build files output directory.")
    101   parser.add_option("-b", action="store", dest="chromecast_branding",
    102                     help="Chromecast branding ('Chrome' or 'Chromium').")
    103   options, locales = parser.parse_args(argv)
    104 
    105   if not locales:
    106     parser.error('Please specificy at least one locale to process.\n')
    107 
    108   print_inputs = options.inputs
    109   print_outputs = options.outputs
    110   GRIT_DIR = options.grit_dir
    111   INT_DIR = options.int_dir
    112   CHROMECAST_BRANDING = options.chromecast_branding
    113 
    114   if CHROMECAST_BRANDING != "Chrome" and CHROMECAST_BRANDING != "Chromium":
    115     parser.error('Chromecast branding (-b) must be "Chrome" or "Chromium".\n')
    116   if not (GRIT_DIR and INT_DIR):
    117     parser.error('Please specify all of "-g" and "-x".\n')
    118   if print_inputs and print_outputs:
    119     parser.error('Please specify only one of "-i" or "-o".\n')
    120 
    121   if print_inputs:
    122     return list_inputs(locales)
    123 
    124   if print_outputs:
    125     return list_outputs(locales)
    126 
    127   return repack_locales(locales)
    128 
    129 if __name__ == '__main__':
    130   results = DoMain(sys.argv[1:])
    131   if results:
    132     print results
    133