Question

#!/usr/bin/python

from urllib import urlopen
import re

webpage = urlopen('http://en.wikipedia.org/wiki/Python_(programming_language)').read()

patFinderTitle = re.compile('<title>(.*)</title>')
patFinderLink = re.compile('<link rel.*href="(.*)"/>')

findPatTitle = re.findall(PatFinderTitle,webpage)
findPatLink = re.findall(PatFinderLink,webpage)

listIterator = []
listIterator [:] = range(1,5)

for i in listIterator:
    print findPatTitle[i]
    print findpatLink[i]
    print "\n"

当我运行上面的代码时，我遇到以下错误：

 bash-3.2$ ./webscrapping.py
 Traceback (most recent call last):
 File "./webscrapping.py", line 6, in ?
 webpage = urlopen('http://en.wikipedia.org/wiki/Python_(programming_language)').read()
 File "/usr/lib/python2.4/urllib.py", line 82, in urlopen
 return opener.open(url)
 File "/usr/lib/python2.4/urllib.py", line 190, in open
 return getattr(self, name)(url)
 File "/usr/lib/python2.4/urllib.py", line 313, in open_http
 h.endheaders()
 File "/usr/lib/python2.4/httplib.py", line 798, in endheaders
 self._send_output()
 File "/usr/lib/python2.4/httplib.py", line 679, in _send_output
 self.send(msg)
 File "/usr/lib/python2.4/httplib.py", line 646, in send
 self.connect()
 File "/usr/lib/python2.4/httplib.py", line 614, in connect
 socket.SOCK_STREAM):
 IOError: [Errno socket error] (8, 'node name or service name not known')

我认为我的python版本支持urlopen模块

bash-3.2$ python 
Python 2.4.6 (#1, Dec 13 2009, 23:45:11) [C] on sunos5            
>>> from urllib import urlopen 
>>>

它没有给我任何错误

错误的原因是什么？我认为这不是语法错误。有什么建议吗？

谢谢：）

无法从Python中读取url中的数据

0 个答案: