Decorator for marshmallow.Schema
to sort fields
in needed order while dumping (python36+).
from marshmallow import Schema, fields
from marshmallow_dumped_order import dumped_order
@dumped_order("name", "age")
class User(Schema):
age = fields.Int()
name = fields.String()
dumped = User().dumps({"age": 356, "name": "Jarvis"})
assert dumped.data == '{"name": "Jarvis", "age": 356}'