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#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
from pixelated.adapter.model.tag import Tag
class TagService:
instance = None
SPECIAL_TAGS = {Tag('inbox', True), Tag('sent', True), Tag('drafts', True), Tag('trash', True), Tag('ALL', True)}
@classmethod
def extract_reserved(cls, tags):
tags = map(lambda tag: tag.lower(), tags)
return {tag.name for tag in cls.SPECIAL_TAGS if tag.name in tags}
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