def send_entity(environ, start_response, entity): """ Send a :py:class:`bag <tiddlyweb.model.bag.Bag>` or :py:class:`recipe <tiddlyweb.model.recipe.Recipe>` out over HTTP, first :py:class:`serializing <tiddlyweb.serializer.Serializer>` to the correct type. If an incoming ``Etag`` validates, raise a ``304`` response. """ etag_string = entity_etag(environ, entity) check_incoming_etag(environ, etag_string) try: serialize_type, mime_type = get_serialize_type(environ) serializer = Serializer(serialize_type, environ) serializer.object = entity content = serializer.to_string() except NoSerializationError: raise HTTP415('Content type %s not supported' % mime_type) start_response("200 OK", [('Content-Type', mime_type), ('Cache-Control', 'no-cache'), ('ETag', etag_string), ('Vary', 'Accept')]) if isinstance(content, basestring): return [content] else: return content
def send_entity(environ, start_response, entity): """ Send a bag or recipe out HTTP, first serializing to the correct type. If the incoming etag matches, raise 304. """ etag_string = entity_etag(environ, entity) incoming_etag = environ.get('HTTP_IF_NONE_MATCH', None) if incoming_etag: if incoming_etag == etag_string: raise HTTP304(incoming_etag) try: serialize_type, mime_type = get_serialize_type(environ) serializer = Serializer(serialize_type, environ) serializer.object = entity content = serializer.to_string() except NoSerializationError: raise HTTP415('Content type %s not supported' % mime_type) start_response("200 OK", [('Content-Type', mime_type), ('Cache-Control', 'no-cache'), ('ETag', etag_string), ('Vary', 'Accept')]) if isinstance(content, basestring): return [content] else: return content