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# Authors:
# Rob Crittenden <rcritten@redhat.com>
# Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty contextrmation
#
# 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; version 2 only
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Per-request thread-local data.
"""
import threading
import locale
import gettext
from constants import OVERRIDE_ERROR
# Thread-local storage of most per-request information
context = threading.local()
def set_languages(*languages):
if hasattr(context, 'languages'):
raise StandardError(
OVERRIDE_ERROR % ('context.languages', context.languages, languages)
)
if len(languages) == 0:
languages = locale.getdefaultlocale()[:1]
context.languages = languages
assert type(context.languages) is tuple
def create_translation(domain, localedir, *languages):
if hasattr(context, 'gettext') or hasattr(context, 'ngettext'):
raise StandardError(
'create_translation() already called in thread %r' %
threading.currentThread().getName()
)
set_languages(*languages)
translation = gettext.translation(domain,
localedir=localedir, languages=context.languages, fallback=True
)
context.gettext = translation.ugettext
context.ngettext = translation.ungettext
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