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File: //opt/alt/python27/lib/python2.7/site-packages/mako/cache.pyo
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       a fixed API to provide caching services; specific subclasses exist to
       implement different
       caching strategies.   Mako includes a backend that works with
       the Beaker caching system.   Beaker itself then supports
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t��dS(s7Retrieve a value from the cache, using the given creation function
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        created value should be populated into the cache
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