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urlutil.py
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urlutil.py
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# _*_ coding:utf-8 _*_
import requests
import re
import random
import time
class UrlUtil:
def __init__(self):
self.iplist = []
self.getIPList()
# 获取请求头列表
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"
]
# 获取代理地址
def getIPList(self):
response = requests.get('http://31f.cn/area/%E4%B8%AD%E5%9B%BD/')
content = response.text
pattern = re.compile(r'<tr>.*?<td>\d.*?</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>',re.S)
items = re.findall(pattern,content)
for item in items:
self.iplist.append(item[0]+':'+item[1])
# requests post请求
def post(self, url, data, session, cookies=None, timeouts=10, header = None, proxy=None, num_retries=6):
UA = random.choice(self.user_agent_list)
mHeader = {'User-Agent': UA,'Content-Type':'application/x-www-form-urlencoded'}
if header:
mHeader = dict(mHeader,**header)
if proxy == None:
try:
if cookies:
return session.post(url,data=data, cookies=cookies, headers=mHeader, timeout=timeouts)
else:
return session.post(url,data=data, headers=mHeader, timeout=timeouts)
except Exception as e:
# print(str(e))
if num_retries > 0:
time.sleep(5)
print('获取网页出错，5S后将获取倒数第：'+ str(num_retries) +'次')
return self.post(url, data, session, cookies, timeouts, header, proxy, num_retries-1)
else:
print(u'开始使用代理')
time.sleep(5)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
return self.post(url, data, session, cookies, timeouts, header, proxy)
else:
try:
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
if cookies:
return session.post(url,data=data, cookies=cookies,proxies=proxy, headers=mHeader, timeout=timeouts)
else:
return session.post(url,data=data, headers=mHeader,proxies=proxy,timeout=timeouts)
except:
if num_retries > 0:
time.sleep(5)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
print('正在更换代理，5S后将重新获取倒数第'+ str(num_retries) +'次')
print('当前代理是：'+ str(proxy))
return self.post(url, data, session, cookies, timeouts, header, proxy, num_retries-1)
else:
print(u'代理也不好使了！取消代理')
return self.post(url, data, session, cookies, timeouts, header)
# requests get请求
def get(self, url, session, cookies=None, timeouts=10, header = None, proxy=None, num_retries=6):
UA = random.choice(self.user_agent_list)
mHeader = {'User-Agent': UA,'Content-Type':'application/x-www-form-urlencoded'}
if header:
mHeader = dict(mHeader,**header)
if proxy == None:
try:
if cookies:
return session.get(url, cookies=cookies, headers=mHeader, timeout=timeouts)
else:
return session.get(url, headers=mHeader, timeout=timeouts)
except Exception as e:
# print(str(e))
if num_retries > 0:
time.sleep(5)
print('获取网页出错，5S后将获取倒数第：'+ str(num_retries) +'次')
return self.get(url, session, cookies, timeouts, header, proxy, num_retries-1)
else:
print(u'开始使用代理')
time.sleep(5)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
return self.get(url, session, cookies, timeouts, header, proxy)
else:
try:
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
if cookies:
return session.get(url, cookies=cookies,proxies=proxy, headers=mHeader, timeout=timeouts)
else:
return session.get(url, headers=mHeader,proxies=proxy,timeout=timeouts)
except:
if num_retries > 0:
time.sleep(5)
IP = ''.join(str(random.choice(self.iplist)).strip())
proxy = {'http': IP}
print('正在更换代理，5S后将重新获取倒数第'+ str(num_retries) +'次')
print('当前代理是：'+ str(proxy))
return self.get(url, session, cookies, timeouts, header, proxy, num_retries-1)
else:
print(u'代理也不好使了！取消代理')
return self.get(url, session, cookies, timeouts, header)