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@alexisbellido
Created August 21, 2012 18:21
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Django conditional cache for per-site cache based on user.is_authenticated()
"""
A decorator to bypass per-site cache if the user is authenticated. Based on django.views.decorators.cache.never_cache.
See: http://stackoverflow.com/questions/12060036/why-django-1-4-per-site-cache-does-not-work-correctly-with-cache-middleware-anon
"""
from django.utils.decorators import available_attrs
from django.utils.cache import add_never_cache_headers
from functools import wraps
def conditional_cache(view_func):
"""
Checks the user and if it's authenticated pass it through never_cache.
This version uses functools.wraps for the wrapper function.
"""
@wraps(view_func, assigned=available_attrs(view_func))
def _wrapped_view_func(request, *args, **kwargs):
response = view_func(request, *args, **kwargs)
if request.user.is_authenticated():
add_never_cache_headers(response)
return response
return _wrapped_view_func
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