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楼主 |
发表于 2017-4-26 20:27:53
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Download.py 文件的代码是:
import requests
import re
import random
import time
class download():
def __init__(self):
self.iplist = [] ##初始化一个list用来存放获取到的IP
html = requests.get("http://haoip.cc/tiqu.htm")
iplistn = re.findall(r'r/>(.*?)<b', html.text, re.S)
for ip in iplistn:
i = re.sub('\n', '', ip)
self.iplist.append(i.strip())
self.user_agent_list = [
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/22.0.1207.1 Safari/537.1",
"Mozilla/5.0 (X11; CrOS i686 2268.111.0) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.6 (KHTML, like Gecko) Chrome/20.0.1092.0 Safari/536.6",
"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.6 (KHTML, like Gecko) Chrome/20.0.1090.0 Safari/536.6",
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/19.77.34.5 Safari/537.1",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.9 Safari/536.5",
"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.36 Safari/536.5",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_0) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.0 Safari/536.3",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.24 (KHTML, like Gecko) Chrome/19.0.1055.1 Safari/535.24",
"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/535.24 (KHTML, like Gecko) Chrome/19.0.1055.1 Safari/535.24"
]
def get(self, url, timeout, proxy=None, num_retries=6):
UA = random.choice(self.user_agent_list)
headers = {'User-Agent': UA}
if proxy == None:
try:
return requests.get(url, headers=headers, timeout=timeout)
except:
if num_retries > 0:
time.sleep(10)
print(u'获取网页出错,10S后将获取倒数第:', num_retries, u'次')
return self.get(url, timeout, num_retries-1)
else:
print(u'开始使用代理')
time.sleep(10)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
return self.get(url, timeout, proxy,)
else:
try:
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
return requests.get(url, headers=headers, proxies=proxy, timeout=timeout)
except:
if num_retries > 0:
time.sleep(10)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
print(u'正在更换代理,10S后将重新获取倒数第', num_retries, u'次')
print(u'当前代理是:', proxy)
return self.get(url, timeout, proxy, num_retries - 1)
else:
print(u'取消代理')
return self.get(url, 3)
request = download() |
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