from django.core.cache import cache
try:
	cache._cache.clear()	# in-memory caching
except AttributeError:
	# try filesystem caching next
	old = cache._cull_frequency
	old_max = cache._max_entries
	cache._max_entries = 0
	cache._cull_frequency = 1
	cache._cull()
	cache._cull_frequency = old
	cache._max_entries = old_max