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# Copyright (c) 2008 Canonical
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# Written by Marc Tardif <marc@interunion.ca>
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# This file is part of Checkbox.
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# Checkbox 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 3 of the License, or
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# (at your option) any later version.
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# Checkbox 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 Checkbox. If not, see <http://www.gnu.org/licenses/>.
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from os import environ
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from gettext import gettext as _
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from checkbox.lib.template import Template
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class TemplateI18n(Template):
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def __init__(self, *args, **kwargs):
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super(TemplateI18n, self).__init__(*args, **kwargs)
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self._languages = self._get_languages()
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def _add_modifier(self, language, modifier):
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return "%s.%s" % (language, modifier)
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def _add_territory(self, language, territory):
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return re.sub(r"([^_@.]+)", "\\1%s" % territory, language)
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def _add_charset(self, language, charset):
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return re.sub(r"([^@.]+)", "\\1%s" % charset, language)
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def _merge_lists(self, primaries, secondaries):
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for primary, secondary in zip(primaries, secondaries):
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def _get_language_list(self, language):
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regex = re.compile(r"(@[^.]+)")
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modifier_match = regex.search(language)
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language = regex.sub("", language)
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language_match = re.match(r"([^_@.]+)(_[^_@.]+)?(\..+)?", language)
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if not language_match:
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raise Exception, "Unknown language format: %s" % language
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ret = [language_match.group(1)]
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modifier = modifier_match.group(1)
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modifiers = [self._add_modifier(r, modifier) for r in ret]
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ret = self._merge_lists(modifiers, ret)
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if language_match.group(2):
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territory = language_match.group(2)
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territories = [self._add_territory(r, territory) for r in ret]
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ret = self._merge_lists(territories, ret)
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if language_match.group(3):
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charset = language_match.group(3)
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charsets = [self._add_charset(r, charset) for r in ret]
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ret = self._merge_lists(charsets, ret)
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def _get_languages(self):
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if environ.has_key("LANGUAGE") and environ["LANGUAGE"]:
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for language in environ["LANGUAGE"].split(":"):
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languages.extend(self._get_language_list(language))
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language = locale.setlocale(locale.LC_MESSAGES)
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languages.extend(self._get_language_list(language))
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return [l.lower() for l in languages]
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def _filter_field(self, field):
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for line in field.split(separator):
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return separator.join(lines)
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def _filter_languages(self, element):
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for key in element.keys():
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basekey = re.sub(r"^_?([^-]+).*$", "\\1", key)
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basekeys[basekey] = None
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for key in basekeys.keys():
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for language in self._languages:
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field = "%s-%s" % (key, language)
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filter[key] = element[field]
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filter[key] = element[field]
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filter[key] = self._filter_field(element[key])
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filter[key] = self._filter_field(element[field])
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raise Exception, "No language found for key: %s" % key
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def load_file(self, *args, **kwargs):
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elements = super(TemplateI18n, self).load_file(*args, **kwargs)
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return [self._filter_languages(e) for e in elements]