Django rest-framework框架-访问频率控制

from rest_framework
class VisitThrottle(object):
      def __init__(self):
          self.history = None

      def allow_request(self,request,view):
          #获取用户IP
          #remote_addr = request.META.get(‘REMOTE_ADDR‘)
　　　　　　remote_addr = self.get_ident(request)
          ctime = time.time()
          if remote_addr not in VISIT_RECORD:
              VISIT_RECORD[remote_addr] = [ctime,]
             return True
          history = VISIT_RECORD.get(remote_addr)
          self.history = history
          while history and history[-1] < ctime - 10: #限制10秒内访问3次
              history.pop()
           if length(history) < 3:
               history.insert(0,ctime)
               return True #return False 表示访问频率过高 限制访问

      def wait(self):  #等待多少秒 才能继续访问
          ctime = time.time()
          return  60 - (ctime - self.history[-1])

class OrderView(APIView):
    """
    订单业务
    """

    authentication_classes = []
    permission_classes = []
    throttle_classes = [VisitThrottle,]
    def get(self, request, *args, **kwargs):

        ret = {‘code‘: 1000, ‘msg‘: None, ‘data‘: None}
        try:
            ret[‘data‘] = ORDER_DICT
        except Exception as e:
            pass
        return JsonResponse(ret)

"DEFAULT_THROTTLE_CLASSES": ["api.utils.throttle.UserThrottle"],
"DEFAULT_THROTTLE_RATES": {
                  "keyword": ‘3/m‘,     #限制1分钟内访问3次
                  "keyword2": ‘10/m‘,  #限制1分钟内访问10次
},    

from rest_framework.throttle import SimpleRateThrottle

class VisitThrottle(SimpleRateThrottle):
        scope = "keyword"
    
        def get_cache_key(self, request, view):
              return self.get_ident(request) 

class UserThrottle(SimpleRateThrottle):
        scope = "keyword2"
    
        def get_cache_key(self, request, view):
              return request.user.username 
#scope 传递参数给 settings里面的做限制参数使用

"DEFAULT_THROTTLE_RATES": {
                  "keyword": ‘3/m‘,     #限制1分钟内访问3次
                  "keyword2": ‘10/m‘,  #限制1分钟内访问10次
},