def get(cls, id):
"""Get an instance from its id."""
return DB.query(cls).get(id)
def query(cls):
return DB.query(cls)
def _query_collection(self, cls, schema):
"""Query a collection of a class passed in and return the JSON dump of its schema"""
return json.dumps(json.loads(schema.dumps(DB.query(cls).all(), many=True).data))
