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29 lines
1.2 KiB
Python
29 lines
1.2 KiB
Python
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from django.db.models.manager import Manager
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from query import CachedQuerySet
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class CacheManager(Manager):
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"""
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A manager to store and retrieve cached objects using CACHE_BACKEND
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<string key_prefix> -- the key prefix for all cached objects on this model. [default: db_table]
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<int timeout> -- in seconds, the maximum time before data is invalidated. [default: DEFAULT_CACHE_TIME]
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"""
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def __init__(self, *args, **kwargs):
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self.key_prefix = kwargs.pop('key_prefix', None)
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self.timeout = kwargs.pop('timeout', None)
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super(CacheManager, self).__init__(*args, **kwargs)
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def get_query_set(self):
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return CachedQuerySet(model=self.model, timeout=self.timeout, key_prefix=self.key_prefix)
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def cache(self, *args, **kwargs):
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return self.get_query_set().cache(*args, **kwargs)
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def clean(self, *args, **kwargs):
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# Use reset instead if you are using memcached, as clean makes no sense (extra bandwidth when
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# memcached will automatically clean iself).
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return self.get_query_set().clean(*args, **kwargs)
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def reset(self, *args, **kwargs):
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return self.get_query_set().reset(*args, **kwargs)
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