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Diffstat (limited to 'src/pixelated/support/functional.py')
-rw-r--r-- | src/pixelated/support/functional.py | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/pixelated/support/functional.py b/src/pixelated/support/functional.py new file mode 100644 index 00000000..2e293625 --- /dev/null +++ b/src/pixelated/support/functional.py @@ -0,0 +1,37 @@ +# +# 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 + + +def flatten(_list): + return list(chain.from_iterable(_list)) + + +def unique(_list): + seen = set() + seen_add = seen.add + return [x for x in _list if not (x in seen or seen_add(x))] + + +def compact(_list): + return [a for a in _list if a] + + +def to_unicode(text): + if text and not isinstance(text, unicode): + encoding = 'utf-8' + return unicode(text, encoding=encoding) + return text |