Python 爬虫插件

#coding:utf-8
import sys,urllib2,re,Queue
sys.path.append("..")

from lib.Http_Class import Http_Class
from BeautifulSoup import BeautifulSoup

####################################
#
# Spider 爬虫模块
#
####################################

class Spider_module:
def setW3AScan(self,w3ascan):
self.w3ascan=w3ascan
self.result_list={}
self.q_list=Queue.Queue()
self.tmp_list=Queue.Queue()

def start(self,aa):
url="http://lucifr.com/"
print "[*] 爬虫目标:"+url
self.result_list.update({url:0})
try:
while True:
# 判断爬虫是否有爬过
for url in self.result_list:
if self.result_list[url]==0:
self.q_list.put(url)
self.result_list[url]=1

# 判断任务队列是否为空，如果是则直接退出
# 否则处理任务
if self.q_list.empty():
print "[*] 结束爬虫任务."
break
else:
for tmp in range(self.q_list.qsize()):
spider_url=self.q_list.get()
obj=Http_Class()
try:
html=obj._do("get",spider_url)
except:
self.w3ascan.log_create("url: %s Field! " % spider_url,"Spider_module")
print "url: %s Field! " % spider_url
continue
soup=BeautifulSoup(html)
links=soup.findAll(‘a‘)
for link in links:
_url=link.get(‘href‘).encode(‘utf-8‘)
if re.match(‘^(javascript|:;|#|mailto)‘,_url) or _url is None or re.match(‘.(jpg|png|bmp|mp3|wma|wmv|gz|zip|rar|iso|pdf|txt|db)$‘,_url):
continue
if re.match(‘^(http|https)‘,_url):
if not re.match(‘^‘+url,_url):
continue
else:
if self.result_list.has_key(url):
continue
else:
rst=_url.encode(‘utf-8‘)
print "[*][!] 发现新连接: "+rst
self.result_list.update({rst:0})
else:
if self.result_list.has_key(url+_url):
continue
else:
rst=url+_url
print "[*][!] 发现新连接: "+rst.encode(‘utf-8‘)
self.result_list.update({rst.encode(‘utf-8‘):0})

except Exception,error:
print "[*] 发生异常情况,捕获并写入日志。"
self.w3ascan.log_create("Url: %s get Url Error! Source: %s" % (url,error),"Spider_module")

def save(self):
print "[*]保存爬虫结果"

def getPluginClass():
return Spider_module

if __name__=="__main__":
t=Spider_module()
t.start("aaa")

Python 爬虫插件