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 8Gyp doesn't have any built-in looping capability, so this just provides a way to 9loop over a list of locales when repacking pak files, thus avoiding a 10proliferation of mostly duplicate, cut-n-paste gyp actions. 11""" 12 13import optparse 14import os 15import sys 16 17sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', '..', 18 'tools', 'grit')) 19from grit.format import data_pack 20 21# Some build paths defined by gyp. 22GRIT_DIR = None 23INT_DIR = None 24CHROMECAST_BRANDING = None 25 26class Usage(Exception): 27 def __init__(self, msg): 28 self.msg = msg 29 30 31def 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 41def 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 50def 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 64def 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 78def 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 87def 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 129if __name__ == '__main__': 130 results = DoMain(sys.argv[1:]) 131 if results: 132 print results 133