~bzr-pqm/bzr/bzr.dev

# -*- coding: utf-8 -*-

#

# Copyright (C) 2007,2009,2011 Canonical Ltd.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

# This code is from bzr-explorer and modified for bzr.

"""build_mo command for setup.py"""

from distutils import log

from distutils.core import Command

from distutils.dep_util import newer

from distutils.spawn import find_executable

import os

import re

class build_mo(Command):

    """Subcommand of build command: build_mo"""

    description = 'compile po files to mo files'

    # List of options:

    #   - long name,

    #   - short name (None if no short name),

    #   - help string.

    user_options = [('build-dir=', 'd', 'Directory to build locale files'),

                    ('output-base=', 'o', 'mo-files base name'),

                    ('source-dir=', None, 'Directory with sources po files'),

                    ('force', 'f', 'Force creation of mo files'),

                    ('lang=', None, 'Comma-separated list of languages '

                                    'to process'),

                   ]

    boolean_options = ['force']

    def initialize_options(self):

        self.build_dir = None

        self.output_base = None

        self.source_dir = None

        self.force = None

        self.lang = None

    def finalize_options(self):

        self.set_undefined_options('build', ('force', 'force'))

        self.prj_name = self.distribution.get_name()

        if self.build_dir is None:

            self.build_dir = 'bzrlib/locale'

        if not self.output_base:

            self.output_base = self.prj_name or 'messages'

        if self.source_dir is None:

            self.source_dir = 'po'

        if self.lang is None:

            re_po = re.compile(r'^([a-zA-Z_]+)\.po$')

            self.lang = []

            for i in os.listdir(self.source_dir):

                mo = re_po.match(i)

                if mo:

                    self.lang.append(mo.group(1))

        else:

            self.lang = [i.strip() for i in self.lang.split(',') if i.strip()]

    def run(self):

        """Run msgfmt for each language"""

        if not self.lang:

            return

        if find_executable('msgfmt') is None:

            log.warn("GNU gettext msgfmt utility not found!")

            log.warn("Skip compiling po files.")

            return

        if 'en' in self.lang:

            if find_executable('msginit') is None:

                log.warn("GNU gettext msginit utility not found!")

                log.warn("Skip creating English PO file.")

            else:

                log.info('Creating English PO file...')

                pot = (self.prj_name or 'messages') + '.pot'

                en_po = 'en.po'

                self.spawn(['msginit',

                    '--no-translator',

                    '-l', 'en',

                    '-i', os.path.join(self.source_dir, pot),

                    '-o', os.path.join(self.source_dir, en_po),

                    ])

        basename = self.output_base

        if not basename.endswith('.mo'):

            basename += '.mo'

        for lang in self.lang:

            po = os.path.join('po', lang + '.po')

            if not os.path.isfile(po):

                po = os.path.join('po', lang + '.po')

            dir_ = os.path.join(self.build_dir, lang, 'LC_MESSAGES')

            self.mkpath(dir_)

            mo = os.path.join(dir_, basename)

            if self.force or newer(po, mo):

                log.info('Compile: %s -> %s' % (po, mo))

                self.spawn(['msgfmt', '-o', mo, po])