#11269: Allow key_prefix to be callable
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Reporter: kmike | Owner: nobody
Status: new | Milestone:
Component: Cache system | Version: SVN
Resolution: | Keywords:
Stage: Accepted | Has_patch: 1
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Comment (by zeth):
For the second example, that of get parameters, I just generalise the
whole thing, i.e. any and all get parameters are used for the key_prefix.
i.e. something like:
{{{
def get_requests(request):
"""Turn the GET parameters into a string.
Used for caching."""
key_prefix = ""
# Get the parameters out
parameters = request.GET.items()
# Sort them so we only have one order in the cache
parameters.sort()
# Turn it into a string
for pair in parameters:
for item in pair:
key_prefix += "%s-" % item
return key_prefix
@cache_page(600, my_key_prefix)
def my_view(request):
#blah blah
}}}
This pattern seems to work for all the situations I have encountered so
far. This seems to be more DRY than the example above.
--
Ticket URL: <http://code.djangoproject.com/ticket/11269#comment:4>
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