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【Python】扫描代理

作者:pengyouya123 / 发布于2014/6/17/ 905

不适用于windows。linux,osx均可，用于批量获取与验证代理，有些函数在外部定义没有给出，自行替换


	# -*- coding: utf-8 -*-

	# Desc: Grab proxy ip
	# Date: 2014/06/13

	import os
	import urllib
	from util import *
	from bs4 import BeautifulSoup

	log = getUniqueLog()
	regions = ['China', 'America', 'Brazil', 'Japan', 'Twaiwan', 'Thailand', 'Bahrein']
	baseUrl = 'http://www.proxy360.cn/Region/'

	
	# if bypass in limit time return True
	def ping(ip):
	cmd = "ping -Q -c 1 -W 2000 %s 1>/dev/null 2>&1" % ip
	response = os.system(cmd)
	if response == 0:
	 return True
	else:
	 return False

	def filterIp(fname):
	result = []
	with open(fname) as fp:
	 for line in fp:
	 line = line.strip()
	 if (line is None) or (line == ''):
	 continue

	 segments = line.split(' ')
	 ip = segments[0]
	 if ping(ip):
	 result.append(ip)
	
	print result

	class Proxy():
	def __init__(self, address, port, hideprop, country, pubdate ):
	 self.address = address
	 self.port = port
	 self.country = country
	 self.pubdate = pubdate
	 self.hideprop = hideprop

	def valid(self):
	 return ping(self.address)

	def convertDict(self):
	 return {'address':self.address, 'port':self.port, 'country':self.country, 'pubdate':self.pubdate, 'hideprop':self.hideprop}
	
	def initWithDict(proxyDict):
	 return Proxy(proxyDict['address'], proxyDict['port'], proxyDict['country'], proxyDict['hideprop'], proxyDict['pubdate'])

	def __str__(self):
	 # return self.address + self.port + self.country + self.hideprop + self.pubdate
	 return '%s:%s %s %s %s' % (self.address, self.port, self.country, self.hideprop, self.pubdate)

	# proxy360
	def fetchProxies(region='China'):
	print '[Region: %s]' % region
	url = baseUrl + urllib.quote(region)
	print 'Fetching page ...'
	page = fetchPage(url)
	if page is None:
	 print 'Fetch page failed'
	 return

	print 'Analysising html ...'
	soup = BeautifulSoup(page)
	if soup is None:
	 print 'parse html failed'
	 return

	try:
	 nodes = soup.find_all('div', class_ ='proxylistitem')
	 validProxies = []
	 total = len(nodes)
	 cnt = 0
	 validCnt = 0

	 for node in nodes:
	 cnt += 1
	 print 'Dealing with (%d/%d:%d)th item ...' % (cnt, total, validCnt)
	 proxyItems = node.find_all('span', class_ = 'tbBottomLine')
	 proxy = Proxy(proxyItems[0].text.strip(), proxyItems[1].text.strip(), proxyItems[2].text.strip(), proxyItems[3].text.strip(), proxyItems[4].text.strip())
	 print proxy
	 if (proxy.valid()):
	 validProxies.append(proxy.convertDict())
	 validCnt += 1
	
	except Exception as e:
	 print e
	finally:
	 print 'Save proxies ...'
	 if validProxies and (len(validProxies)>0):
	 saveJson(validProxies, 'proxy_' + region.lower() + '.json')

	print 'Congratulation!'
	# end fetch proxy

	# proxy360.json
	def testProxies(fname):
	with open(fname) as fp:
	 data = json.load(fp)
	 result = []
	 for item in data:
	 try:
	 ip = item['address']
	 port = item['port']
	 print ip
	 socket = '%s:%s' % (ip, port)
	 proxy_handler = urllib2.ProxyHandler({'http':socket})
	 proxy_auth_handler = urllib2.ProxyBasicAuthHandler()
	 opener = urllib2.build_opener(proxy_handler, proxy_auth_handler)
	 print opener.open('http://20140507.ip138.com/ic.asp', timeout=3).read()
	 result.append(ip)
	 except Exception as e:
	 #print e
	 pass

	 print result

	# bypass
	def checkProxy(ip, port):
	try:
	 print ip, port
	 socket = '%s:%s' % (ip, port)
	 proxy_handler = urllib2.ProxyHandler({'http':socket})
	 proxy_auth_handler = urllib2.ProxyBasicAuthHandler()
	 opener = urllib2.build_opener(proxy_handler, proxy_auth_handler)
	 #print opener.open('http://20140507.ip138.com/ic.asp', timeout=3).read()
	 print opener.open('http://www.twitter.com', timeout=4).read()

	 return True
	except Exception as e:
	 return False

	return True

	# load from file: ip:port
	def loadProxies(fname):
	with open(fname) as fp:
	 result = []
	 for line in fp:
	 line = line.strip()
	 if line == '':
	 continue

	 segments = line.split(':')
	 ip = segments[0]
	 port = segments[1]
	 if checkProxy(ip, port):
	 result.append({ip:port})
	 print result

	if __name__ == '__main__':
	timer = Timer()
	setupOpener()
	fetchProxies('America')
	#loadProxies('proxy2.txt')
	timer.stop()

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