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lib/lp/services/memcache/restful.py
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"""Storm/memcached implementation of lazr.restful's representation cache."""
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from lazr.restful.simple import BaseRepresentationCache
 
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from lazr.restful.utils import get_current_web_service_request
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import storm
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from zope.component import getUtility
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from zope.security.proxy import removeSecurityProxy
 
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from zope.traversing.browser import absoluteURL
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from canonical.config import config
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from lp.services.memcache.interfaces import IMemcacheClient
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        obj = removeSecurityProxy(obj)
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        try:
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            storm_info = storm.info.get_obj_info(obj)
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        except storm.exceptions.ClassInfoError:
 
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        except storm.exceptions.ClassInfoError, e:
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            # There's no Storm data for this object. Don't cache it,
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            # since we don't know how to invalidate the cache.
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            return self.DO_NOT_CACHE
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        table_name = storm_info.cls_info.table.name
 
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        table_name = storm_info.cls_info.table
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        primary_key = tuple(var.get() for var in storm_info.primary_vars)
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        identifier = table_name + repr(primary_key)
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