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from django.shortcuts import render_to_response
from django.template import RequestContext
from django_filters.filterset import FilterSet
def object_filter(request, model=None, queryset=None, template_name=None, extra_context=None,
context_processors=None, filter_class=None):
if model is None and filter_class is None:
raise TypeError("object_filter must be called with either model or filter_class")
if model is None:
model = filter_class._meta.model
if filter_class is None:
meta = type('Meta', (object,), {'model': model})
filter_class = type('%sFilterSet' % model._meta.object_name, (FilterSet,),
{'Meta': meta})
filterset = filter_class(request.GET or None, queryset=queryset)
if not template_name:
template_name = '%s/%s_filter.html' % (model._meta.app_label, model._meta.object_name.lower())
c = RequestContext(request, {
'filter': filterset,
})
if extra_context:
for k, v in extra_context.iteritems():
if callable(v):
v = v()
c[k] = v
return render_to_response(template_name, c)
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