class Redprint:
    def __init__(self, name):
        # name 是指视图类
        self.name = name
        # mound 是绑定路由方法 有多个
        self.mound = []
 
    # 重写路由 定义装饰器
    def route(self, rule, **options):
        def decorator(f):
            self.mound.append((f, rule, options))
            return f
        return decorator
 
    # 进行注册，传入蓝图和默认前缀
    def register(self, bp, url_prefix=None):
        if url_prefix is None:
            url_prefix = '/'+ self.name
        for f, rule, options in self.mound:
            endpoint = options.pop("endpoint", f.__name__)
            bp.add_url_rule(url_prefix+rule, endpoint, f, **options)