def deserialize(self, meth, content_type, body):
meth_deserializers = getattr(meth, 'wsgi_deserializers', {})
try:
mtype = _MEDIA_TYPE_MAP.get(content_type, content_type)
if mtype in meth_deserializers:
deserializer = meth_deserializers[mtype]
else:
deserializer = self.default_deserializers[mtype]
except (KeyError, TypeError):
raise exception.InvalidContentType(content_type=content_type)
return deserializer().deserialize(body)
def get_content_type(self):
"""Determine content type of the request body.
Does not do any body introspection, only checks header
"""
if "Content-Type" not in self.headers:
return None
allowed_types = SUPPORTED_CONTENT_TYPES
content_type = self.content_type
if content_type not in allowed_types:
raise exception.InvalidContentType(content_type=content_type)
return content_type
def get_serializer(self, content_type, default_serializers=None):
"""Returns the serializer for the wrapped object.
Returns the serializer for the wrapped object subject to the
indicated content type. If no serializer matching the content
type is attached, an appropriate serializer drawn from the
default serializers will be used. If no appropriate
serializer is available, raises InvalidContentType.
"""
default_serializers = default_serializers or {}
try:
mtype = _MEDIA_TYPE_MAP.get(content_type, content_type)
if mtype in self.serializers:
return mtype, self.serializers[mtype]
else:
return mtype, default_serializers[mtype]
except (KeyError, TypeError):
raise exception.InvalidContentType(content_type=content_type)