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python用urlopen返回 HTTP Error 400,用curl正常

url=“http://redirect.viglink.com?key=4f41d321ffc89f8abfd39904671d7ab7&u=http%3A%2F%2Fwww.newegg.com%2FProduct%2FProduct.aspx%3Fnm_mc%3DAFC-dealmoon%26cm_mmc%3DAFC-dealmoon-_-NA-_-NA-_-NA%26Item%3DN82E16820147192”
import urllib2
next_url=urllib2.urlopen(url).geturl()
print next_url
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib64/python2.6/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib64/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/usr/lib64/python2.6/urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib64/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib64/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/usr/lib64/python2.6/urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 400: BAD_REQUEST

而curl 是可以的

[root@123 test]# curl -I 'http://redirect.viglink.com?key=4f41d321ffc89f8abfd39904671d7ab7&u=http%3A%2F%2Fwww.newegg.com%2FProduct%2FProduct.aspx%3Fnm_mc%3DAFC-dealmoon%26cm_mmc%3DAFC-dealmoon-_-NA-_-NA-_-NA%26Item%3DN82E16820147192'
HTTP/1.1 307 Temporary Redirect
Cache-Control: no-cache
Cache-Control: no-store
Content-length: 0
Date: Tue, 26 Feb 2013 09:03:13 GMT
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Location: http://viglink.pgpartner.com/rd.php?r=280&m=1069763726&q=n&rdgt=1361801639&it=1361974439&et=1362406439&priceret=149.99&pg=~~3&k=3e4617236e1334fcb8741d8ab57a3b72&source=feed&url=http%3A%2F%2Fwww%2Enewegg%2Ecom%2FProduct%2FProduct%2Easpx%3FItem%3DN82E16820147192%26nm%5Fmc%3DOTC%2Dpr1c3grabb3r%26cm%5Fmmc%3DOTC%2Dpr1c3grabb3r%2D%5F%2DSolid%2BState%2BDisk%2D%5F%2DSAMSUNG%2D%5F%2D20147192&st=feed&mt=~~~~~~~viglink_106942~n~~~
Pragma: no-cache
Server: Apache-Coyote/1.1
Connection: keep-alive

话说你是要得到跳转之后的地址么?好像就是原网址后面带的这个网址吧?

import urllib
next_url = urllib.unquote(url.split('&u=')[1])

虽然跟用geturl()拿到的网址有些区别,不过打开看好像打开都是一个地方的说?刚学Python献丑了瓦~
p.s.我跟@greatghoul 一样,你给的代码可以正常执行的说~

不知道你的平台是什么

我在 Ubuntu 12.04 32bit + Python 2.7.3 下正常打开

>>> http://redirect.viglink.com?key=4f41d321ffc89f8abfd39904671d7ab7&u=http%3A%2F%2Fwww.newegg.com%2FProduct%2FProduct.aspx%3Fnm_mc%3DAFC-dealmoon%26cm_mmc%3DAFC-dealmoon-_-NA-_-NA-_-NA%26Item%3DN82E16820147192
KeyboardInterrupt
>>> next_url=urllib2.urlopen(url).geturl()

>>> 
>>> print next_url
http://www.newegg.com/Product/Product.aspx?Item=N82E16820147192&nm_mc=OTC-pr1c3grabb3r&cm_mmc=OTC-pr1c3grabb3r-_-Solid+State+Disk-_-SAMSUNG-_-20147192
>>> 

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