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# -*- coding: utf-8 -*-
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# Copyright (C) 2007 Lukáš Lalinský <lalinsky@gmail.com>
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# Copyright (C) 2007,2009 Alexander Belchenko <bialix@ukr.net>
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# Copyright (C) 2011 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# This module is copied from Bazaar Explorer and modified for bzr.
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"""i18n and l10n support for Bazaar."""
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import gettext as _gettext
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:returns: translated message as unicode.
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return _translations.ugettext(message)
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def ngettext(singular, plural, number):
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"""Translate message with plural forms based on `number`.
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:param singular: English language message in singular form
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:param plural: English language message in plural form
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:param number: the number this message should be translated for
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:returns: translated message as unicode.
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return _translations.ungettext(singular, plural, number)
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"""Mark message for translation but don't translate it right away."""
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def gettext_per_paragraph(message):
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"""Translate message per paragraph.
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:returns: concatenated translated message as unicode.
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paragraphs = message.split(u'\n\n')
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ugettext = _translations.ugettext
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# Be careful not to translate the empty string -- it holds the
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# meta data of the .po file.
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return u'\n\n'.join(ugettext(p) if p else u'' for p in paragraphs)
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"""Do not allow i18n to be enabled. Useful for third party users
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_translations = _gettext.NullTranslations()
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"""Returns whether translations are in use or not."""
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return _translations is not None
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def install(lang=None):
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"""Enables gettext translations in bzr."""
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_translations = install_translations(lang)
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def install_translations(lang=None, domain='bzr', locale_base=None):
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"""Create a gettext translation object.
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:param lang: language to install.
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:param domain: translation domain to install.
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:param locale_base: plugins can specify their own directory.
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:returns: a gettext translations object to use
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lang = _get_current_locale()
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languages = lang.split(':')
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translation = _gettext.translation(
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localedir=_get_locale_dir(locale_base),
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def add_fallback(fallback):
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Add a fallback translations object. Typically used by plugins.
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:param fallback: gettext.GNUTranslations object
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_translations.add_fallback(fallback)
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"""Disables gettext translations."""
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def _get_locale_dir(base):
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"""Returns directory to find .mo translations file in, either local or system
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:param base: plugins can specify their own local directory
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if hasattr(sys, 'frozen'):
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base = os.path.dirname(
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unicode(sys.executable, sys.getfilesystemencoding()))
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return os.path.join(base, u'locale')
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base = os.path.dirname(unicode(__file__, sys.getfilesystemencoding()))
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dirpath = os.path.realpath(os.path.join(base, u'locale'))
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if os.path.exists(dirpath):
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return '/usr/share/locale'
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def _check_win32_locale():
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for i in ('LANGUAGE','LC_ALL','LC_MESSAGES','LANG'):
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if os.environ.get(i):
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# use only user's default locale
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lang = locale.getdefaultlocale()[0]
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# using ctypes to determine all locales
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lcid_user = ctypes.windll.kernel32.GetUserDefaultLCID()
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lcid_system = ctypes.windll.kernel32.GetSystemDefaultLCID()
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if lcid_user != lcid_system:
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lcid = [lcid_user, lcid_system]
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lang = [locale.windows_locale.get(i) for i in lcid]
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lang = ':'.join([i for i in lang if i])
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# set lang code for gettext
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os.environ['LANGUAGE'] = lang
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def _get_current_locale():
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if not os.environ.get('LANGUAGE'):
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from bzrlib import config
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lang = config.GlobalStack().get('language')
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os.environ['LANGUAGE'] = lang
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if sys.platform == 'win32':
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_check_win32_locale()
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for i in ('LANGUAGE','LC_ALL','LC_MESSAGES','LANG'):
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lang = os.environ.get(i)
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def load_plugin_translations(domain):
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"""Load the translations for a specific plugin.
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:param domain: Gettext domain name (usually 'bzr-PLUGINNAME')
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locale_base = os.path.dirname(
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unicode(__file__, sys.getfilesystemencoding()))
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translation = install_translations(domain=domain,
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locale_base=locale_base)
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add_fallback(translation)
added
removed
bzrlib/i18n.py
