/usr/share/pyshared/checkbox/lib/template_i18n.py is in checkbox 0.13.7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# This file is part of Checkbox.
#
# Copyright 2008 Canonical Ltd.
#
# Checkbox 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 3 of the License, or
# (at your option) any later version.
#
# Checkbox 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 Checkbox. If not, see <http://www.gnu.org/licenses/>.
#
import re
import locale
from os import environ
from gettext import gettext as _
from checkbox.lib.template import Template
class TemplateI18n(Template):
def __init__(self, *args, **kwargs):
super(TemplateI18n, self).__init__(*args, **kwargs)
self._languages = self._get_languages()
def _add_modifier(self, language, modifier):
return "%s.%s" % (language, modifier)
def _add_territory(self, language, territory):
return re.sub(r"([^_@.]+)", "\\1%s" % territory, language)
def _add_charset(self, language, charset):
return re.sub(r"([^@.]+)", "\\1%s" % charset, language)
def _merge_lists(self, primaries, secondaries):
for primary, secondary in zip(primaries, secondaries):
yield primary
yield secondary
def _get_language_list(self, language):
regex = re.compile(r"(@[^.]+)")
modifier_match = regex.search(language)
language = regex.sub("", language)
language_match = re.match(r"([^_@.]+)(_[^_@.]+)?(\..+)?", language)
if not language_match:
raise Exception, "Unknown language format: %s" % language
ret = [language_match.group(1)]
if modifier_match:
modifier = modifier_match.group(1)
modifiers = [self._add_modifier(r, modifier) for r in ret]
ret = self._merge_lists(modifiers, ret)
if language_match.group(2):
territory = language_match.group(2)
territories = [self._add_territory(r, territory) for r in ret]
ret = self._merge_lists(territories, ret)
if language_match.group(3):
charset = language_match.group(3)
charsets = [self._add_charset(r, charset) for r in ret]
ret = self._merge_lists(charsets, ret)
return ret
def _get_languages(self):
languages = []
if environ.has_key("LANGUAGE") and environ["LANGUAGE"]:
for language in environ["LANGUAGE"].split(":"):
if language:
languages.extend(self._get_language_list(language))
language = locale.setlocale(locale.LC_MESSAGES)
languages.extend(self._get_language_list(language))
return [l.lower() for l in languages]
def _filter_field(self, field):
lines = []
separator = "\n\n"
for line in field.split(separator):
lines.append(_(line))
return separator.join(lines)
def _filter_languages(self, element):
filter = {}
basekeys = {}
for key in element.iterkeys():
basekey = re.sub(r"^_?([^-]+).*$", "\\1", key)
basekeys[basekey] = None
for key in basekeys.iterkeys():
if self._languages:
for language in self._languages:
field = "%s-%s" % (key, language)
if field in element:
filter[key] = element[field]
break
if key in filter:
continue
else:
field = "%s-c" % key
if field in element:
filter[key] = element[field]
continue
if key in element:
filter[key] = self._filter_field(element[key])
continue
else:
field = "_%s" % key
if field in element:
filter[key] = self._filter_field(element[field])
continue
raise Exception, "No language found for key: %s" % key
return filter
def load_file(self, *args, **kwargs):
elements = super(TemplateI18n, self).load_file(*args, **kwargs)
return [self._filter_languages(e) for e in elements]
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