#!/usr/bin/env python
# Copyright 2020 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
'''Generates phonetic_dictionaries.js'''
import gzip
import json
import optparse
import os
import sys
HEADER = '''export const PhoneticDictionaries = {};
PhoneticDictionaries.phoneticMap_ = {
'''
CONTENT_TEMPLATE = '''"%(locale)s": %(data)s,
'''
FOOTER = '''};
'''
def quit(message):
'''Prints an error message and exit the program.'''
sys.stderr.write(message + '\n')
sys.exit(1)
def open_file(filename):
if filename.endswith('.gz'):
return gzip.open(filename)
return open(filename)
def main():
# Parse input.
parser = optparse.OptionParser(description=__doc__)
parser.add_option(
'-o',
'--output_file',
action='store',
metavar='SPEC',
help=('Where to output the generated file.'))
options, args = parser.parse_args()
if options.output_file is None:
quit('Output file not specified')
if len(args) != 1:
quit('Exactly one input directory must be specified')
dir_name = args[0]
out_file = options.output_file
output = HEADER
# Extract phonetic dictionaries from all compressed message files and write
# them to a .js file.
for locale in os.listdir(dir_name):
locale_dir = os.path.join(dir_name, locale)
if not os.path.isdir(locale_dir):
continue
files = os.listdir(locale_dir)
if not len(files) == 1:
continue
file = files[0]
file_path = os.path.join(locale_dir,file)
with open_file(file_path) as in_file:
contents = json.loads(in_file.read().strip())
try:
test = json.loads(contents['CHROMEVOX_PHONETIC_MAP']['message'])
if sys.version_info >= (3,0):
data = contents['CHROMEVOX_PHONETIC_MAP']['message']
else:
# Need to encode utf8 if running python 2.
data = (contents['CHROMEVOX_PHONETIC_MAP']['message']
.encode('utf-8'))
locale = locale.replace('_', '-').lower()
output += CONTENT_TEMPLATE % {'locale': locale, 'data': data}
except ValueError as e:
continue
# Write to file.
with open(out_file, 'w') as dest_file:
dest_file.write(output + FOOTER)
if __name__ == '__main__':
main()
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