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Mon Apr 2 12:01:29 EDT 2001 · http://mail.python.org/pipermail/python-list/2001-April/108622.html

egmanoj at yahoo.com wrote:
| Hello,
| I am trying to use the Python(1.5) urllib module's urlopen method to 
| retrieve an xml file from a website. The request has to go through 
| our LAN's proxy server and this needs a username and password.
| 
| How can I automatically supply the username and password while using 
| this from a script? [There is no problem while using urlopen from the 
| IDLE; the prompt comes up and I just have to type in the username and 
| password]

For a proxy authorization, you need to send an additional
"Proxy-authorization" header with the base64 "encryption" of your
username and password. I don't think you can do that with urllib,
but you can use the httplib module instead:

  import binascii
  cookie = binascii.b2a_base64("username:password")
  ...
  h.putheader('Proxy-authorization', 'Basic %s' % cookie)

-- 
Dick Streefland                      ////            TASKING Software BV
dick.streefland at tasking.com         (@ @)         http://www.tasking.com
--------------------------------oOO--(_)--OOo---------------------------

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Using urlopen with a proxy server requiring authentication