python采集百度搜索结果带有特定URL的链接代码实例
这篇文章主要介绍了python采集百度搜索结果带有特定URL的链接代码实例,文中通过示例代码介绍的非常详细，对大家的学习或者工作具有一定的参考学习价值,需要的朋友可以参考下
#codingutf-8
importrequests
frombs4importBeautifulSoupasbs
importre
fromQueueimportQueue
importthreading
fromargparseimportArgumentParser
arg=ArgumentParser(description='baidu_url_colletpy-scriptbyxiaoye')
arg.add_argument('keyword',help='keywordlikeinurl:?id=forsearchingsqlisite')
arg.add_argument('-p','--page',help='pagecount',dest='pagecount',type=int)
arg.add_argument('-t','--thread',help='thethread_count',dest='thread_count',type=int,default=10)
arg.add_argument('-o','--outfile',help='thefilesaveresult',dest='oufile',type=int,default='result.txt')
result=arg.parse_args()
headers={'User-Agent':'Mozilla/5.0(windowsNT10.0WX64;rv:50.0)Gecko/20100101Firefox/50.0'}
classBg_url(threading.Thread):
def__init__(self,que):
threading.Thread.__init__(self)
self._que=que
defrun(self):
whilenotself._que.empty():
URL=self._que.get()
try:
self.bd_url_collet(URL)
exceptException,e:
print(e)
pass
defbd_url_collect(self,url):
r=requests.get(url,headers=headers,timeout=3)
soup=bs(r.content,'lxml',from_encoding='utf-8')
bqs=soup.find_all(name='a',attrs={‘data-click‘:re.compile(r'.'),'class':None})#获得从百度搜索出来的a标签的链接
forbqinbqs:
r=requests.get(bq['href'],headers=headers,timeout=3)#获取真实链接
ifr.status_code==200:#如果状态码为200
printr.url
withopen(result.outfile,'a')asf:
f.write(r.url+'\n')
defmain():
thread=[]
thread_count=result.thread_count
que=Queue()
foriinrange(0,(result.pagecount-1)*10,10):
que.put('https://www.baidu.com/s?wd='+result.keyword+'&pn='+str(i))
oriinrange(thread_count):
thread.append(Bd_url(que))
foriinthread:
i.start()
foriinthread:
i.join()
if__name__=='__main__':
main()
#执行格式
pythonaaaaa.py"inurl:asp?id="-p30-t30
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