def get_template_names(self):
"""
Return a list of template names to be used for the request. Must return
a list. May not be called if render_to_response is overridden.
"""
try:
names = super(MultipleObjectTemplateResponseMixin, self).get_template_names()
except ImproperlyConfigured:
# If template_name isn't specified, it's not a problem --
# we just start with an empty list.
names = []
# If the list is a query, we'll invent a template name based on the
# app and model name. This name gets put at the end of the template
# name list so that user-supplied names override the automatically-
# generated ones.
if isinstance(self.object_list, Query):
model = utils.model_from_query(self.object_list)
package = utils.get_template_package_name(model)
names.append("%s:templates/%s%s%s" % (package, model.__tablename__,
self.template_name_suffix, self.template_extension))
# For benefit of tests
self._template_names = names
return names
def get_context_object_name(self, object_list):
"""
Get the name of the item to be used in the context.
"""
if self.context_object_name:
return self.context_object_name
elif isinstance(object_list, Query):
return '%s_list' % utils.model_from_query(object_list).__tablename__
else:
return None
def get_object(self, query=None):
"""
Returns the object the view is displaying.
By default this requires `self.query` and a `pk` or `slug` argument
in the URLconf, but subclasses can override this to return any object.
"""
# Use a custom query if provided; this is required for subclasses
# like DateDetailView
if query is None:
query = self.get_query()
# Next, try looking up by primary key.
pk = self.kwargs.get(self.pk_url_kwarg, None)
slug = self.kwargs.get(self.slug_url_kwarg, None)
if pk is not None:
pk_field = utils.get_pk_field(query)
query = query.filter(pk_field==pk)
# Next, try looking up by slug.
elif slug is not None:
slug_field = utils.get_field(query, self.get_slug_field())
query = query.filter(slug_field==slug)
# If none of those are defined, it's an error.
else:
raise AttributeError("Generic detail view %s must be called with "
"either an object pk or a slug."
% self.__class__.__name__)
try:
# Get the single item from the filtered query
obj = query.one()
except NoResultFound:
raise httpexceptions.HTTPNotFound(_("No %(verbose_name)s found matching the query") %
{'verbose_name': utils.model_from_query(query).__name__})
return obj
