I try to cache ListAPIView.I find solution on stackoverflow:
from django.utils.decorators import method_decoratorfrom
django.views.decorators.cache import cache_page
class ProductListAPIView(generics.ListAPIView):
serializer_class = ProductSerializer
@method_decorator(cache_page(60))
def dispatch(self, *args, **kwargs):
return super(ProductListAPIView, self).dispatch(*args, **kwargs)
It works.
But in my project ,the client make GET request with timestamp, it will be
cached , but other user can not hit this cache almost.
I try to remove timestamp, my code is:
class ProductListAPIView(generics.ListAPIView):
serializer_class = ProductSerializer
def dispatch(self, request, *args, **kwargs):
key=gen_cache_key(request)
print(key)
res=cache.get(key)
if res:
return res
res= super().dispatch(request, *args, **kwargs)
cache.set(key,res,60)
return res
def gen_cache_key(request):
params=request.GET
key=request.path
for x in params.lists():
if x[0]!='timestamp':
key+=str(x[0])
key+=str(x[1][0])
return key
emmm. It raise an error. ContentNotRenderedError >> The response content
must be rendered before it can be pickled.
How to deal with it ?
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