[mod_python] REMOTE_USER key error question

Graham Dumpleton graham.dumpleton at gmail.com
Tue Apr 17 18:45:29 EDT 2007

On 18/04/07, Prashanth <prashanth.dumpuri at vanderbilt.edu> wrote:
> All,
> I'm trying to pick up REMOTE_USER from os.environ['REMOTE_USER'] and I
> get a key error as shown below:
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
> Mod_python error: "PythonHandler test"
> Traceback (most recent call last):
> File "/usr/lib/python2.4/site-packages/mod_python/apache.py", line 299,
> in HandlerDispatch
> result = object(req)
> File "/var/www/modelweb/restricted/test.py", line 17, in handler
> req.write(os.environ['REMOTE_USER'])
> KeyError: 'REMOTE_USER'
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
> Using cgi.print_environ() returns nothing. I'm using apache 2 (and
> htpasswd), so I know REMOTE USER must be set.
> Here's my directory structure:
> index.html  in /var/www/modelweb - that challenges the user with a login
> prompt
> test.py in /var/www/modelweb/restricted - that executes (or it's
> supposed to) if the user's login is successful.
> Can someone help me figure out what's going on here ? Any help in this
> regard will be greatly appreciated.

If you are using AuthType directive then user is available as:


Note that mod_python is not CGI, so don't apply CGI concepts to it.
You will not find CGI environment stuff in os.environ.


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