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git-test/blog/middleware.py

52 lines
1.4 KiB

#!/usr/bin/env python
# encoding: utf-8
"""
@version: ??
@author: liangliangyy
@license: MIT Licence
@contact: liangliangyy@gmail.com
@site: https://www.lylinux.org/
@software: PyCharm
@file: middleware.py
@time: 2017/1/19 上午12:36
"""
import time
from ipware.ip import get_real_ip
from DjangoBlog.utils import cache
class OnlineMiddleware(object):
def process_request(self, request):
self.start_time = time.time()
def process_view(self, request, view_func, view_args, view_kwargs):
"""
处理当前在线人数
"""
http_user_agent = request.META.get('HTTP_USER_AGENT', [])
if 'Spider' in http_user_agent or 'spider' in http_user_agent:
return
online_ips = cache.get("online_ips", [])
if online_ips:
online_ips = cache.get_many(online_ips).keys()
online_ips = list(online_ips)
ip = get_real_ip(request)
cache.set(ip, 0, 5 * 60)
if ip not in online_ips:
online_ips.append(ip)
s = type(online_ips)
cache.set("online_ips", online_ips)
def process_response(self, request, response):
cast_time = 0.921
if self.__dict__ and 'start_time' in self.__dict__:
cast_time = time.time() - self.start_time
response.content = response.content.replace(b'<!!LOAD_TIMES!!>', str.encode(str(cast_time)[:5]))
return response