我正在关注以下示例:

http://flask-limiter.readthedocs.org/en/stable/#ratelimit-string

app = Flask(__name__)
limiter = Limiter(app, key_func=get_remote_address)

class MyView(flask.views.MethodView):
    decorators = [limiter.limit("10/second")]
    def get(self):
        return "get"

    def put(self):
        return "put"


我的问题是,例如,在同一文件中定义了应用程序,限制器和类,就我而言,在同一文件中定义了应用程序和限制器,但是我的类位于单独的文件中。

如果导入限制器或应用程序,则由于循环dependencies,我的Flask应用程序无法启动。如何解决此问题,推荐的方法是什么?我想将限制器应用于特定端点。
我尝试使用from flask import current_app来初始化限制器,但此功能未将其用作有效参数。有什么建议吗?

文件信息:


app.py
api_main.py


在app.py下,我定义了资源:

api_app = Flask(__name__)  # Flask Application
api_app.config.from_pyfile("../../../conf/settings.py")  # Flask configuration

imbue_api = restful.Api(api_app)  # Define API
limiter = Limiter(api_app, key_func=get_remote_address, global_limits=["10 per second"])

imbue_api.add_resource(ApiBase, settings.BASE_API_URL)


在api_main.py中,我定义了所有类:

class ApiBase(Resource):
    @authenticator.requires_auth
    def get(self):
        """

        :return:
        """
        try:
            # =========================================================
            # GET API
            # =========================================================
            log.info(request.remote_addr + ' ' + request.__repr__())
            if request.headers['Content-Type'] == 'application/json':
                # =========================================================
                # Send API version information
                # =========================================================
                log.info('api() | GET | Version' + settings.api_version)
                response = json.dumps('version: ' + settings.api_version)
                resp = Response(response, status=200, mimetype='application/json')
                return resp

        except KeyError:
            response = json.dumps('Invalid type headers. Use application/json')
            resp = Response(response, status=415, mimetype='application/json')
            return resp

        except Exception, exception:
            log.exception(exception.__repr__())
            response = json.dumps('Internal Server Error')
            resp = Response(response, status=500, mimetype='application/json')
            return resp

最佳答案

使用Resource.method_decorators

https://github.com/flask-restful/flask-restful/blob/master/flask_restful/init.py#L574

它适用于每个请求。您可以在视图类中覆盖它:

@property
def method_decorators(self):
    # get some limiter bound to the `g` context
    # maybe you prefer to get it from `current_app`
    return g.limiter


如果愿意,可以在将资源添加到静态API之前将限制器附加到现有的method_decorators

ApiBase.method_decorators.append(limiter)
imbue_api.add_resource(ApiBase, settings.BASE_API_URL)

关于python - 基于Python Rate Limit类的 View Flask,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/36859660/

10-10 13:03