4b2e3e175b
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3449 fd906abe-77d9-0310-91a1-e0d9ade77398
41 lines
672 B
Text
41 lines
672 B
Text
============
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Data Caching
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============
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$Id$
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>>> from cybertools.util.cache import cache
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>>> @cache(lambda *args: 'calc')
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... def calculate():
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... print 'calculating'
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... return 42
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>>> calculate()
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calculating
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42
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>>> calculate()
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42
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>>> class Demo(object):
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... id = '4711'
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... def getId(self, *args):
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... return self.id
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... @cache(getId)
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... def calculate(self):
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... print 'calculating'
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... return 42
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>>> demo = Demo()
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>>> demo.calculate()
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calculating
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42
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>>> demo.calculate()
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42
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>>> demo.id = '4712'
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>>> demo.calculate()
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calculating
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42
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>>> demo.calculate()
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42
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