From 4ad019a3921f6e841fda06e9eb284cd872164fb9 Mon Sep 17 00:00:00 2001 From: Filipp Lepalaan Date: Sat, 15 Aug 2015 16:27:03 +0300 Subject: Added some utils --- servo/lib/utils.py | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 servo/lib/utils.py (limited to 'servo') diff --git a/servo/lib/utils.py b/servo/lib/utils.py new file mode 100644 index 0000000..ac2ee05 --- /dev/null +++ b/servo/lib/utils.py @@ -0,0 +1,52 @@ +# -*- coding: utf-8 -*- +# Copyright (c) 2013, First Party Software +# All rights reserved. + +# Redistribution and use in source and binary forms, with or without modification, +# are permitted provided that the following conditions are met: + +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. + +# 2. Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. + +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT +# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. + +def choices_to_dict(t): + """ + Converts a ChoiceField two-tuple to a dict (for JSON) + Assumes i[0][0] is always unique + """ + d = {} + for i in t: + k = str(i[0]) + d[k] = i[1] + + return d + +def empty(v): + return v in ('', ' ', None,) + +def cache_getset(k, v): + """ + Shortcut for getting and setting cache + v should be a callable + """ + from django.core.cache import cache + if cache.get(k): + return cache.get(k) + + cache.set(k, v()) + return v -- cgit v1.2.3