def before_app_request(self, f):
        self.record(lambda s: s.app.before_request_funcs
            .setdefault(None, []).append(f))
        return f
Like `Cocopot.before_request`.  Such a function is executed
dataset/ETHPy150Open zeaphoo/cocopot/cocopot/blueprints.py/Blueprint.before_app_request