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# -*- coding: utf-8 -*-
# The contents of this file are subject to the Common Public Attribution License
# Version 1.0 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# The License is based on the
# Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover
# use of software over a computer network and provide for limited attribution for
# the Original Developer. In addition, Exhibit A has been modified to be consistent
# with Exhibit B.
# Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
# WARRANTY OF ANY KIND, either express or implied. See the License for the specific
# anguage governing rights and limitations under the License.
# The Original Code is the byNotes project
# The Initial Developer of the Original Code is Alberto García Hierro
# The Original Developer is Alberto García Hierro
# All portions of the code written by Alberto García Hierro are
# Copyright (C) 2008 Alberto García Hierro
# All Rights Reserved.
from django.core.cache import cache
def cache_set(key, value):
cache.set(key, value)
return value
def _cached(func):
def cached_func(self):
key = 'cached_property_%s_%s_%s' % \
(self.__class__.__name__, func.__name__,
val = cache.get(key)
return cache_set(key, func(self)) if val is None else val
cached_func.__name__ = func.__name__
return cached_func
def cached_property(func):
return property(_cached(func))
def _stored(func):
key = '_cached_%s' % func.__name__
def stored_func(self):
if not hasattr(self, key):
setattr(self, key, func(self))
return getattr(self, key)
stored_func.__name__ = func.__name__
return stored_func
def stored_property(func):
return property(_stored(func))
def full_cached_property(func):
return stored_property(_cached(func))
def cached_method(func):
def cached_func(self, *args, **kwargs):
key = 'cached_method_%s_%s_%s_%s_%s' % \
(self.__class__.__name__, func.__name__,, hash(args),
val = cache.get(key)
return cache_set(key, func(self, *args, **kwargs)) if val is None else val
return cached_func
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