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-rw-r--r--servo/lib/utils.py52
1 files changed, 52 insertions, 0 deletions
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