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20 lines
525 B
Python
20 lines
525 B
Python
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class CachedModelException(Exception): pass
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# Our invalidation classes
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class CacheInvalidationWarning(CachedModelException): pass
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class CacheMissingWarning(CacheInvalidationWarning):
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"""
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CacheMissingWarning is thrown when we're trying to fetch a queryset
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and it's missing objects in the database.
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"""
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pass
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class CacheExpiredWarning(CacheInvalidationWarning):
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"""
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CacheExpiredWarning is thrown when we're trying to fetch from the cache
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but the pre-expiration has been hit.
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"""
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pass
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