[mod_python] popen() and mod_python

Jon-Pierre Gentil jgentil at sebistar.net
Mon Apr 9 12:26:18 EDT 2007

Sebastien Maret wrote:

> import os
> def index(req):
>    p = os.popen ("/bin/sh", 'w')
>    p.write ("ls >> log")
>    p.close ()
>    f = open("log")
>    s = f.readlines()
>    f.close()
>    return s
> Although the same kind of script works fine when I run it from the
> command line, it does not work when I put it on my webserver. The pipe
> does not seems to be opened. Is it for security reasons? Is there a
> workaround?

It looks like you're returning the string instead of using req.write()
to output the data.  A request handler expects an HTTP code return
value, not the string output..

See http://www.modpython.org/live/current/doc-html/pyapi-handler.html

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