from flask_openapi3 import OpenAPI, APIBlueprint

app = OpenAPI(__name__)

api = APIBlueprint('book', __name__, url_prefix='/api/book')
api_english = APIBlueprint('english', __name__)
api_chinese = APIBlueprint('chinese', __name__)


@api_english.post('/english')
def create_english_book():
    return {"message": "english"}


@api_chinese.post('/chinese')
def create_chinese_book():
    return {"message": "chinese"}


# register nested api
api.register_api(api_english)
api.register_api(api_chinese)
# register api
app.register_api(api)

if __name__ == '__main__':
    app.run(debug=True)