example of using marshmallow with json schema

marshMallowSchema.py

from marshmallow import Schema, fields
from marshmallow_jsonschema import JSONSchema
class UserSchema(Schema):
    name = fields.String()
    address = fields.String()
    
class Athlete(object):
    user_schema = UserSchema()

    def __init__(self):
        self.name = 'sam'


class AthleteSchema(Schema):
    user_schema = fields.Nested(JSONSchema)
    name = fields.String()


athlete = Athlete()
athlete_schema = AthleteSchema()

athlete_schema.dump(athlete)