The frequency of access control

from rest_framework.throttling Import SimpleRateThrottle 
Import Time 
VISIT_RECORD = {} 

class MyThrottle ( Object ):
     "" "
     one minute to allow access to five times
     " ""
     DEF the __init __ (Self): 
        self.history = [] 

    DEF allow_request (Self, Request, View ): 
        # get the user's IP address 
        ip = request.META. gET ( " REMOTE_ADDR " , "" ) 
        # self.key = self.get_cache_key () 
        # self.cache. gET (self.key, [])
        IF ip not in VISIT_RECORD: 
            VISIT_RECORD [ip] = [time.time (),]
         the else : 
            History = VISIT_RECORD [ip] 
            self.history = History 
            history.insert ( 0 , time.time ()) 
            # ensure that the list is to allow time within the scope of 
            the while self.history [ 0 ] - self.history [- . 1 ]> 60 : 
                self.history.pop () 
            # list length is determined 
            IF Not len (self.history) <= . 5 :
                 return False
        return True 

    # wait 
    # [recent time, the oldest time] 
    DEF the wait (Self): 
        return  60 - (self.history [ 0 ] - self.history [- 1 ])

class DRFThrottle(SimpleRateThrottle):
    scope = "WD"
    def get_cache_key(self, request, view):
        # 拿IP地址
        return self.get_ident(request)