blob: 2e293625f8a321a941097b88cbbe5ed898596a97 (plain
# 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 itertools import chain
seen = set()
seen_add = seen.add
return [x for x in _list if not (x in seen or seen_add(x))]
return [a for a in _list if a]
if text and not isinstance(text, unicode):
encoding = 'utf-8'
return unicode(text, encoding=encoding)