def before_request(self, f):
        self.record(lambda s: s.app.before_request_funcs
            .setdefault(self.name, []).append(f))
        return f
Like `Cocopot.before_request` but for a blueprint.  This function
dataset/ETHPy150Open zeaphoo/cocopot/cocopot/blueprints.py/Blueprint.before_request