def get_topic_or_404(self, request=None):
try:
if request is not None:
topic = utils.get_topic_from_request(request)
if topic == None:
raise Topic.DoesNotExist()
return topic
else:
return Topic.objects.get(
ontology_as_mod=self._meta.urlconf_namespace)
except Topic.DoesNotExist:
raise Http404()
def process_request(self, request):
regex = re.compile(r'api/([a-zA-Z0-9_\-.]+)/([a-zA-Z0-9_\-]+)/')
urlparts = regex.findall(request.path)
if urlparts:
# Get the topic that match to this url.
topic = get_topic_from_request(request)
if topic == None:
raise Http404(Topic.DoesNotExist())
else:
# This will automaticly create the API if needed
# or failed if the topic is unknown
try:
getattr(topics, topic.ontology_as_mod)
except AttributeError as e:
raise Http404(e)
return None