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baidu_spider.py
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baidu_spider.py
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#! /usr/bin/env python
# -*- coding: utf-8 -*-
#-------------------------------------------------------------------------------
# Name: baidu_spider
# Purpose: 搜索指定文件里面的多个baidu关键词并保存baidu的搜索结果
#更新：文件名带Host，文件包含指定关键词
# Author: oneroy
# Created: 2016-07-19
# Copyright: (c) roy 2016
#-------------------------------------------------------------------------------
import sys, gzip,StringIO
import httplib
import urllib
import urllib2
import urlparse
import os
import getopt
import traceback
from bs4 import BeautifulSoup
import threading
##sys.argv = ["detect.py","http://202.204.193.211/jiaowu/zpx/szwyadmin/admin_index.asp","G:\\Test\\Spider\\baidufile\\detect.txt"]
urllib2.socket.setdefaulttimeout(55)
inFile=open('baidu_key.txt','r')
outFile=open('baidu_key_url.txt','a+')
def data_tag(data,foretag,endtag):
## print ('foretag,endtag',foretag,endtag)
data = data + os.linesep
start=data.find(foretag)
if start == -1:
return ""
else:
start+=len(foretag)
## print ('start',start)
end=data[start:].find(endtag)
## print 'end',end
if end == -1:
end = data[start:].find(os.linesep)
end += start
return data[start:end]
def down_file(url):
## filename = url.split('/')[-1]
scheme, netloc, path, query, fragment = urlparse.urlsplit(url)
filename = os.path.basename(path)
if not filename:
filename = 'downloaded.file'
print ('netloc,filename',netloc,filename)
if filename.find('.pdf') == -1 and filename.find('.xls') == -1:
print 'File is not pdf or xls!!!!!!'
return
u = urllib2.urlopen(url)
writeFilename = "baiduFile\\" + netloc + "_." + filename
f = open(writeFilename, 'wb')
meta = u.info()
file_size = int(meta.getheaders("Content-Length")[0])
file_size_dl = 0
block_sz = 8192
while True:
buffer = u.read(block_sz)
if not buffer:
break
file_size_dl += len(buffer)
f.write(buffer)
f.close()
#测试URL
def DownloadByUrl(Url,isHttps,isLocation,isCookie,Cookie,isPost,PostData,isPut,PutData):
print ('Url========,isHttps',Url,isHttps)
Port = 80
Url0 = Url[7:]
if isHttps == True:
Url0 = Url[8:]
HostAddress = Host = Url0.split('/')[0]
Uri = Url0[len(Host):]
Uri = Uri.replace(' ','%20') #zimbra存在该问题
if Host.find('wenku.baidu.com') != -1 or Host.find('docin.com') != -1: #去除baidu文库和豆丁网
return 0
if Host.find(':') != -1:
Port = (int) (Host.split(':')[1])
HostAddress = Host.split(':')[0]
print('HostAddress,Port,Uri,Cookie',HostAddress,Port,Uri,Cookie)
try:
if isHttps == True:
conn = httplib.HTTPSConnection(HostAddress,timeout=55)
else:
conn = httplib.HTTPConnection(HostAddress,Port,None,55)
if isCookie == True:
headers = {
"User-Agent": "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)",
"Accept": "text/html, application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, */*",
"Host": Host,
"Connection": "Keep-Alive",
"Accept-Language": "zh-CN",
"Accept-Encoding": "gzip, deflate",
'Cookie': Cookie
}
conn.request('GET', Uri, None,headers)
res = conn.getresponse()
elif isPost == True:
headers = {
"User-Agent": "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)",
"Accept": "*/*",
"Accept-Language": "zh-CN",
"Content-Type": "application/x-www-form-urlencoded",
"Accept-Encoding": "gzip, deflate",
"Host": Host,
"Content-Length": len(PostData),
"Connection": "Keep-Alive",
"Cache-Control": "no-cache"
}
print('Url,PostData,headers',Url,PostData,headers)
req = urllib2.Request(Url,PostData,headers)
cj=cookielib.CookieJar()
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
res =opener.open(req)
## the_page =res.read()
## print the_page
elif isPut == True:
headers = {
"User-Agent": "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)",
"Accept": "text/html, application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, */*",
"Host": Host,
"Connection": "Keep-Alive",
"Accept-Language": "zh-CN",
"Accept-Encoding": "gzip, deflate"
}
conn.request("PUT", Uri, PutData , headers)
res = conn.getresponse()
else:
headers = {
"User-Agent": "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C; .NET4.0E)",
"Accept": "text/html, application/x-ms-application, image/jpeg, application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap, */*",
"Host": Host,
"Connection": "Keep-Alive",
"Accept-Language": "zh-CN",
"Accept-Encoding": "gzip, deflate"
}
conn.request('GET', Uri, None,headers)
res = conn.getresponse()
data = ""
if isPost == True:
print ('res.info()',str(res.info()))
if str(res.info()).find("gzip")!=-1:
print 'ggggg--gzip'
data0 = res.read()
compressedstream = StringIO.StringIO(data0)
gzipper = gzip.GzipFile(fileobj=compressedstream)
data = gzipper.read()
else:
data = res.read()
res.close()
conn.close()
print 'data is:-----------',data
else:
resStatus = res.status
print 'res.status',resStatus
if resStatus == 302 and isLocation == False:
newUrl = ''
for item in res.getheaders():
if item[0]=='location' or item[0]=='Location':
newUrl = item[1]
if 'http' not in newUrl:
Lurl = item[1]
newUrl = Url.replace(Url.rsplit('/')[-1],Lurl)
print ('newUrl',newUrl)
lock.acquire()
outFile.write(newUrl +'\n')
lock.release()
return DownloadByUrl(newUrl,isHttps,True, isCookie,Cookie,False,PostData,isPut,PutData)
if 400 <= resStatus <500:
print '4XX Fail-------'
return 0
resMsg = res.msg
pageLength = resMsg["content-length"]
print ('pageLength',pageLength)
#r.headers.get('content-length')
if int(pageLength)>8388608 or int(pageLength)<8192:
print 'pageLength > 1MB or < 10KB',pageLength
return 0
resMsg = str(resMsg)
print 'res.msg',resMsg
if str(resMsg).find("gzip")!=-1:
## print 'ggggg--gzip'
data0 = res.read()
compressedstream = StringIO.StringIO(data0)
gzipper = gzip.GzipFile(fileobj=compressedstream)
data = gzipper.read()
else:
data = res.read()
conn.close()
# 不需要下载的时候下面这行注释掉
## down_file(Url)
return 1
except Exception, e:
print 'Exception Fail-------'
print(traceback.format_exc())
return 0
lock=threading.Lock()
def test():
while True:
lock.acquire()
line=inFile.readline().strip()
lock.release()
if len(line)==0:break
print 'line',line,
question_word = line.split('|')[0]
pageNum = int(line.split('|')[1])
print 'question_word,pageNum',question_word,pageNum
try:
url_list = []
i = 0
while (i < pageNum):
baiduPageNum = str(pageNum * i)
## baiduUrl = "http://www.baidu.com/s?wd=" + urllib.quote(question_word.encode('gbk')) + "&pn=" + baiduPageNum
baiduUrl = "http://www.baidu.com/s?wd=" + urllib.quote(question_word.encode('utf8')) + "&pn=" + baiduPageNum
print 'baiduUrl',baiduUrl
i = i + 1
url_list.append(baiduUrl)
for url in url_list:
## url = "http://www.baidu.com/s?wd=" + urllib.quote(question_word.encode('gbk'))
print url
try:
htmlpage = urllib2.urlopen(url).read()
soup = BeautifulSoup(htmlpage)
##print htmlpage
print len(soup.findAll("h3", class_="t"))
for result_table in soup.findAll("h3", class_="t"):
## print 'baidu_r',result_table
## print "-----标题----\n" + baiduResult.renderContents()#标题
baiduUrl = data_tag(str(result_table),"href=\"","\" target")
print u"链接-----\n" + baiduUrl
## urllib.urlretrieve(baiduUrl, filename)
if DownloadByUrl(baiduUrl,False,False,False,'',False,'',False,'') == 1:
print 'ok,down ok'
except Exception, e:
print 'Exception Fail-------'
print(traceback.format_exc())
continue
except Exception,e:
print e
all_thread=[]
for i in range(50):
t = threading.Thread(target=test)
all_thread.append(t)
t.start()
for t in all_thread:
t.join()
inFile.close()
outFile.close()