Adds locale strings to Chromecast build.

R=lcwu@chromium.org,byungchul@chromium.org
BUG=403104,403101

Review URL: https://codereview.chromium.org/467043002

Cr-Commit-Position: refs/heads/master@{#290000}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290000 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 132 insertions, 0 deletions

diff --git a/chromecast/tools/build/chromecast_repack_locales.py b/chromecast/tools/build/chromecast_repack_locales.py
new file mode 100755
index 0000000..607930a
--- /dev/null
+++ b/chromecast/tools/build/chromecast_repack_locales.py
@@ -0,0 +1,132 @@
+#!/usr/bin/env python
+# Copyright 2014 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 repack paks for a list of locales.
+
+Gyp doesn't have any built-in looping capability, so this just provides a way to
+loop over a list of locales when repacking pak files, thus avoiding a
+proliferation of mostly duplicate, cut-n-paste gyp actions.
+"""
+
+import optparse
+import os
+import sys
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', '..',
+                             'tools', 'grit'))
+from grit.format import data_pack
+
+# Some build paths defined by gyp.
+GRIT_DIR = None
+INT_DIR = None
+CHROMECAST_BRANDING = None
+
+class Usage(Exception):
+  def __init__(self, msg):
+    self.msg = msg
+
+
+def calc_output(locale):
+  """Determine the file that will be generated for the given locale."""
+  #e.g. '<(INTERMEDIATE_DIR)/repack/da.pak',
+  # For Fake Bidi, generate it at a fixed path so that tests can safely
+  # reference it.
+  if locale == 'fake-bidi':
+    return '%s/%s.pak' % (INT_DIR, locale)
+  return os.path.join(INT_DIR, locale + '.pak')
+
+
+def calc_inputs(locale):
+  """Determine the files that need processing for the given locale."""
+  inputs = []
+  if CHROMECAST_BRANDING == 'Chrome':
+    inputs.append(os.path.join(GRIT_DIR, 'app_strings_%s.pak' % locale))
+  inputs.append(os.path.join(GRIT_DIR, 'chromecast_settings_%s.pak' % locale))
+  return inputs
+
+
+def list_outputs(locales):
+  """Returns the names of 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.
+  """
+  outputs = []
+  for locale in locales:
+    outputs.append(calc_output(locale))
+  # Quote each element so filename spaces don't mess up gyp's attempt to parse
+  # it into a list.
+  return " ".join(['"%s"' % x for x in outputs])
+
+
+def list_inputs(locales):
+  """Returns the names of 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.
+  """
+  inputs = []
+  for locale in locales:
+    inputs += calc_inputs(locale)
+  # Quote each element so filename spaces don't mess up gyp's attempt to parse
+  # it into a list.
+  return " ".join(['"%s"' % x for x in inputs])
+
+
+def repack_locales(locales):
+  """ Loop over and repack the given locales."""
+  for locale in locales:
+    inputs = []
+    inputs += calc_inputs(locale)
+    output = calc_output(locale)
+    data_pack.DataPack.RePack(output, inputs)
+
+
+def DoMain(argv):
+  global CHROMECAST_BRANDING
+  global GRIT_DIR
+  global INT_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("-g", action="store", dest="grit_dir",
+                    help="GRIT build files output directory.")
+  parser.add_option("-x", action="store", dest="int_dir",
+                    help="Intermediate build files output directory.")
+  parser.add_option("-b", action="store", dest="chromecast_branding",
+                    help="Chromecast branding ('Chrome' or 'Chromium').")
+  options, locales = parser.parse_args(argv)
+
+  if not locales:
+    parser.error('Please specificy at least one locale to process.\n')
+
+  print_inputs = options.inputs
+  print_outputs = options.outputs
+  GRIT_DIR = options.grit_dir
+  INT_DIR = options.int_dir
+  CHROMECAST_BRANDING = options.chromecast_branding
+
+  if CHROMECAST_BRANDING != "Chrome" and CHROMECAST_BRANDING != "Chromium":
+    parser.error('Chromecast branding (-b) must be "Chrome" or "Chromium".\n')
+  if not (GRIT_DIR and INT_DIR):
+    parser.error('Please specify all of "-g" and "-x".\n')
+  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 repack_locales(locales)
+
+if __name__ == '__main__':
+  results = DoMain(sys.argv[1:])
+  if results:
+    print results