/usr/share/pyshared/zope/i18n/zcml.py is in python-zope.i18n 3.8.0-0ubuntu1.
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#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""This module handles the 'i18n' namespace directives.
"""
__docformat__ = 'restructuredtext'
import os
from glob import glob
from zope.component import getSiteManager
from zope.component import queryUtility
from zope.component.interface import provideInterface
from zope.configuration.fields import Path
from zope.interface import Interface
from zope.schema import TextLine
from zope.i18n import config
from zope.i18n.compile import compile_mo_file
from zope.i18n.gettextmessagecatalog import GettextMessageCatalog
from zope.i18n.testmessagecatalog import TestMessageCatalog
from zope.i18n.translationdomain import TranslationDomain
from zope.i18n.interfaces import ITranslationDomain
class IRegisterTranslationsDirective(Interface):
"""Register translations with the global site manager."""
directory = Path(
title=u"Directory",
description=u"Directory containing the translations",
required=True
)
domain = TextLine(
title=u"Domain",
description=u"Translation domain to register. If not specified, "
"all domains found in the directory are registered",
required=False
)
def allow_language(lang):
if config.ALLOWED_LANGUAGES is None:
return True
return lang in config.ALLOWED_LANGUAGES
def handler(catalogs, name):
""" special handler handling the merging of two message catalogs """
gsm = getSiteManager()
# Try to get an existing domain and add the given catalogs to it
domain = queryUtility(ITranslationDomain, name)
if domain is None:
domain = TranslationDomain(name)
gsm.registerUtility(domain, ITranslationDomain, name=name)
for catalog in catalogs:
domain.addCatalog(catalog)
# make sure we have a TEST catalog for each domain:
domain.addCatalog(TestMessageCatalog(name))
def registerTranslations(_context, directory, domain='*'):
path = os.path.normpath(directory)
domains = {}
# Gettext has the domain-specific catalogs inside the language directory,
# which is exactly the opposite as we need it. So create a dictionary that
# reverses the nesting.
for language in os.listdir(path):
if not allow_language(language):
continue
lc_messages_path = os.path.join(path, language, 'LC_MESSAGES')
if os.path.isdir(lc_messages_path):
# Preprocess files and update or compile the mo files
if config.COMPILE_MO_FILES:
for domain_path in glob(os.path.join(lc_messages_path,
'%s.po' % domain)):
domain_file = os.path.basename(domain_path)
name = domain_file[:-3]
compile_mo_file(name, lc_messages_path)
for domain_path in glob(os.path.join(lc_messages_path,
'%s.mo' % domain)):
domain_file = os.path.basename(domain_path)
name = domain_file[:-3]
if not name in domains:
domains[name] = {}
domains[name][language] = domain_path
# Now create TranslationDomain objects and add them as utilities
for name, langs in domains.items():
catalogs = []
for lang, file in langs.items():
catalogs.append(GettextMessageCatalog(lang, name, file))
# register the necessary actions directly (as opposed to using
# `zope.component.zcml.utility`) since we need the actual utilities
# in place before the merging can be done...
_context.action(
discriminator = None,
callable = handler,
args = (catalogs, name))
# also register the interface for the translation utilities
provides = ITranslationDomain
_context.action(
discriminator = None,
callable = provideInterface,
args = (provides.__module__ + '.' + provides.getName(), provides))
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