def get(self, request):
query = request.REQUEST.get('query')
form = SparqlQueryForm(request.REQUEST if query else None,
formats=self.get_format_choices())
context = self.context
context.update({
'namespaces': sorted(NS.items()),
'form': form,
'store': self.store
})
if form.is_valid():
try:
results = self.perform_query(
request, query, form.cleaned_data['common_prefixes'])
except QueryError, e:
context['error'] = e.message
context['status_code'] = e.status_code
else:
context['additional_headers'][
'X-Humfrey-SPARQL-Duration'] = results.duration
context['queries'] = [results.query]
context['duration'] = results.duration
context['results'] = results
if results.format_type == 'sparql-results':
return self._sparql_results_view(request, context)
elif results.format_type == 'graph':
return self._graph_view(request, context)
raise AssertionError("Unexpected format type: {0}".format(
results.format_type))
