def serialize_reverse_fields(self, obj):
if not self.reverse_fields:
return
for fieldname in self.reverse_fields:
if self.inline and fieldname in self.inline:
tmpserializer = Serializer()
fields, exclude, maps, inline = self._get_serialize_options_for_subfield(fieldname)
if isinstance(getattr(obj, fieldname), Model):
self._current[fieldname] = tmpserializer.serialize(
getattr(obj, fieldname),
inline=inline,
fields=fields,
exclude=exclude,
map_fields=maps,
)
else:
self._current[fieldname] = [tmpserializer.serialize(
related,
inline=inline,
fields=fields,
exclude=exclude,
map_fields=maps,
) for related in getattr(obj, fieldname).iterator()]
else:
#rev = lambda field: reverse('object-%s-%s' % (self.api_name, field._meta), kwargs={'id': field._get_pk_val()})
rev = lambda field: get_url_for_object(self.api_name, field)
if isinstance(getattr(obj, fieldname), Model):
if self.related_as_ids:
self._current[fieldname] = getattr(obj, fieldname)._get_pk_val()
else:
#try:
# self._current[fieldname] = rev(getattr(obj, fieldname))
#except NoReverseMatch:
# self._current[fieldname] = getattr(obj, fieldname)._get_pk_val()
self._current[fieldname] = rev(getattr(obj, fieldname))
else:
if self.related_as_ids:
self._current[fieldname] = [related._get_pk_val() for related in getattr(obj, fieldname).iterator()]
else:
#try:
# self._current[fieldname] = [rev(related) for related in getattr(obj, fieldname).iterator()]
#except NoReverseMatch:
# self._current[fieldname] = [related._get_pk_val() for related in getattr(obj, fieldname).iterator()]
self._current[fieldname] = [rev(related) for related in getattr(obj, fieldname).iterator()]
def handle_fk_field(self, obj, field):
if self.inline and field.name in self.inline:
tmpserializer = self.__class__()
fields, exclude, maps, inline = self._get_serialize_options_for_subfield(field.name)
tmpserializer.serialize(
getattr(obj, field.name),
inline=inline,
fields=fields,
exclude=exclude,
map_fields=maps,
finalize=False
)
self._current[field.name] = tmpserializer.objects
else:
super(Serializer, self).handle_fk_field(obj, field)
if not self.related_as_ids:
related = getattr(obj, field.name)
if related:
#val = reverse('object-%s-%s' % (self.api_name, related._meta), kwargs={'id': self._current[field.name]})
val = get_url_for_object(self.api_name, related, self._current[field.name])
self._current[field.name] = val
def _rest_to_http_response(self, request, restresponse):
format = request.rest_info.format
if not format:
if settings.DEBUG and self.display_errors:
raise ConfigurationError('No format for the response specified')
else:
return HttpResponseServerError()
response = HttpResponse(content_type=get_mime_for_format(format))
if restresponse.form and restresponse.form.errors:
data = {'error': restresponse.form.errors}
response.status_code = 400
render_only = True
if restresponse.content:
data = restresponse.content
render_only = not (self._meta.model or False)
if self._meta.model:
if isinstance(data, QuerySet):
if data.model != self._meta.model:
if settings.DEBUG and self.display_errors:
raise ConfigurationError('The returned model %s is not compatible with the resources\' model %s' % (data.model, self._meta.model))
else:
return HttpResponseServerError()
elif isinstance(data, list):
if not all(map(lambda x: isinstance(x, self._meta.model), data)):
if settings.DEBUG and self.display_errors:
raise ConfigurationError('At least one model in the returned list is not compatible with the resources\' model %s' % (self._meta.model,))
else:
return HttpResponseServerError()
elif not isinstance(data, self._meta.model):
if settings.DEBUG and self.display_errors:
raise ConfigurationError('The returned object\'s model %s is not compatible with the resource model %s' % (type(data), self._meta.model))
else:
return HttpResponseServerError()
# Add a location header
if request.rest_info.request_method == 'POST' or (request.rest_info.request_method == 'PUT' and request.rest_info.request_type == 'list'):
try:
response['Location'] = get_url_for_object(self._meta.api_name, data[0])
except TypeError:
response['Location'] = get_url_for_object(self._meta.api_name, data)
if not self._meta.render_object_after_creation:
response.content = ''
return response
try:
s = serializers.serialize('rest%s' % (format),
data,
related_as_ids=self._meta.related_as_ids,
api_name=self._meta.api_name,
fields=self._optionlist_for_type(request.rest_info.request_method, self._meta.fields),
exclude=self._optionlist_for_type(request.rest_info.request_method, self._meta.exclude),
reverse_fields=self._meta.reverse_fields,
inline=self._meta.inline,
map_fields=self._meta.map_fields,
extra=self._meta.extra_fields,
render_only=render_only
)
except serializers.base.SerializerDoesNotExist:
if settings.DEBUG and self.display_errors:
raise UnsupportedFormat('Format %s is not supported. Check if you included the serializers in the settings file.' % (format,))
else:
return HttpResponseUnsupportedMediaType()
except serializers.base.SerializationError:
if settings.DEBUG and self.display_errors:
raise
else:
return HttpResponseServerError()
response.content = s
return response
