i18n.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-

# ocitysmap, city map and street index generator from OpenStreetMap data
# Copyright (C) 2009  David Decotigny
# Copyright (C) 2009  Frédéric Lehobey
# Copyright (C) 2009  David Mentré
# Copyright (C) 2009  Maxime Petazzoni
# Copyright (C) 2009  Thomas Petazzoni
# Copyright (C) 2009  Gaël Utard

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import os
import sys
import shutil
import optparse
import subprocess

def make_pot():
    print "Make locale/ocitysmap.pot"
    subprocess.check_call(['xgettext', '-o', 'ocitysmap.pot', '-p', 'locale',
                           '-L', 'Python',
                           'ocitysmap/indexlib/indexer.py',
                           'ocitysmap/layoutlib/multi_page_renderer.py',
                           'ocitysmap/layoutlib/single_page_renderers.py'])
    return

def make_po(languages):
    print "Merge locale/ocitysmap.pot into locale/*/LC_MESSAGES/ocitysmap.po"
    for l in languages:
        print " * %s" % l
        subprocess.check_call(['msgmerge', '-U',
                               'locale/%s/LC_MESSAGES/ocitysmap.po' % l,
                               'locale/ocitysmap.pot'])
    return

def compile_mo(languages):
    print "Compile locale/*/LC_MESSAGES/ocitysmap.mo files"
    for l in languages:
        print " * %s" % l
        subprocess.check_call(['msgfmt', '-o',
                               'locale/%s/LC_MESSAGES/ocitysmap.mo' %l,
                               'locale/%s/LC_MESSAGES/ocitysmap.po' %l])
    return

def create_language(country_code):
    print "Create directory for %s" % country_code
    os.makedirs('locale/%s/LC_MESSAGES' % country_code)
    shutil.copyfile('locale/ocitysmap.pot',
                    'locale/%s/LC_MESSAGES/ocitysmap.po' % country_code)
    return

def get_languages():
    l = os.listdir('locale')
    return filter(lambda s: s!='ocitysmap.pot', l)

def main():
    usage = '%prog [options]\n WARNING: This program should be called from ocitysmap/ directory!'

    parser = optparse.OptionParser(usage=usage)
    parser.add_option('-P', '--make-pot', dest='make_pot',
                      action='store_true', default=False,
                      help="make locale/ocitysmap.pot")
    parser.add_option('-p', '--make-po', dest='make_po',
                      action='store_true', default=False,
                      help="merge locale/ocitysmap.pot with locale/*/LC_MESSAGES/ocitysmap.po")
    parser.add_option('-m', '--compile-mo', dest='compile_mo',
                      action='store_true', default=False,
                      help="compile locale/*/LC_MESSAGES/ocitysmap.mo files")
    parser.add_option('-n', '--new-language', dest='new_language',
                      metavar='LANGUAGE_CODE',
                      help='create .pot file for a new language. '
                      'LANGUAGE_CODE is like "fr_FR".',
                      default=None)

    (options, args) = parser.parse_args()
    if len(args):
        parser.print_help()
        return 1

    languages = get_languages()

    if options.make_pot:
        make_pot()
    if options.make_po:
        make_po(languages)
    if options.compile_mo:
        compile_mo(languages)
    if options.new_language:
        create_language(options.new_language)

if __name__ == '__main__':
    sys.exit(main())