def html_WITH_proxy():
     """test random proxy mechanism"""
     url = "http://docs.python-requests.org/"
     spider = Crawler()
     spider.enable_proxy()
     for i in range(10):
         html = spider.html(url)
         print(i, spider.pm.current_proxy)
         if html:
             print("\tSUCCESS")
             spider.pm.update_health(1)
         else:
             print("\tFAILED")
     print(spider)
 def enable_proxy():
     print("{:=^100}".format("enable_proxy"))
     spider = Crawler()
     spider.enable_proxy()
     print(spider)