def wrap(*args, **kwargs):
retval = fn(*args, **kwargs)
# try to find self, and from there, request
request = None
if args:
self = args[0]
request = getattr(self, 'request', None)
return _instantiate_viewmodel(cls, retval, request=request)
except APIError, apie:
resp = HttpResponse(simplejson.dumps(apie.errors),
mimetype="application/json")
resp.status_code = apie.code
return resp
# paginate before you translate viewmodels
if self.json:
if self.paginate and context.get('paginate', False):
new_context = self.paginate_objects(request, context.get(context['paginate']))
new_context.update(context)
del context[context['paginate']]
del context['paginate']
context = new_context
for name in self.remove_from_context:
del context[name]
# translate viewmodels
if getattr(self, 'viewmodels'):
for name, cls in self.viewmodels.items():
if name in context:
context[name] = utils._instantiate_viewmodel(cls, context[name], request=request)
# convert context to a response
if self.template_name:
return self.render_template(self.template_name, context, request)
if self.json:
return self.render_json(context, request)