中间见频率限制

from django.utils.deprecation import MiddlewareMixin
from django.utils.deprecation import MiddlewareMixin
from django.shortcuts import HttpResponse
from rest_framework.throttling import SimpleRateThrottle
from rest_framework.response import Response
from rest_framework.views import APIView
import time
class Md1(MiddlewareMixin,SimpleRateThrottle):
    VISIT_RECORD = {} # 访问者 ip 字典，格式是{ip1:[时间4，时间3，时间2，时间1]，ip2:[时间，时间]，ip3:[当前时间]}
    scope = 'mmy'
    def __init__(self,get_response=None):
        self.history = None
        super().__init__(get_response)
    # def process_request(self, request):
    #     # throttle.allow_request(request, self)
    #
    #     print("Md1请求")

    # def process_response(self, request, response):
    #     print("Md1返回")
    #     return response
    def process_request(self, request ,*args):
        print("Md1请求")
        """
        Implement the check to see if the request should be throttled.

        On success calls `throttle_success`.
        On failure calls `throttle_failure`.
        """
        # if self.rate is None:
        #     return True
        #
        # # self.key = self.get_cache_key(request ,*args)
        # if self.key is None:
        #     return True
        self.num_requests=10
        self.duration=60
        ip = request.META.get('HTTP_ADDR')
        self.now = time.time()
        if ip not in self.VISIT_RECORD:
            self.VISIT_RECORD[ip]=[self.now,]
            return
        self.history=self.VISIT_RECORD.get(ip)
        # self.history = self.cache.get(self.key, [])
        # self.history = {ip:[]}

        print(type(self.now))
        print(type(self.history[-1]),self.history[-1])
        # Drop any requests from the history which have now passed the
        # throttle duration
        while self.history and self.now-self.history[-1] > 60:
            self.history.pop()
            print('self.history',self.history)
        if len(self.history)<self.num_requests:
            self.history.insert(0, self.now)
            return None

        self.VISIT_RECORD[ip]=self.history
        print(self.VISIT_RECORD[ip])

        msg =  60 - (self.now - self.history[-1])
        return HttpResponse(msg)

# def process_response(self, request, response):
#     print("Md1返回")
#     return response