[Zope] Make os.popen() available to scripts

Andreas Jung lists at andreas-jung.com
Mon Aug 9 12:01:29 EDT 2004


allow_module() is not a solution for all and everything. I strongly to 
recommend
using an External Method instead.

-aj

--On Montag, 9. August 2004 15:55 Uhr +0100 Simon Forster 
<simon-lists at ldml.com> wrote:

> I would like to make os.popen() available to python scripts added via the
> Zope management interface [1]. Following a previous posting, people
> pointed me to zope/lib/python/Products/PythonScripts/README.txt and Paul
> Winkler added to that a URL <http://www.zopelabs.com/cookbook/1074897091>.
>
> Following the README all I need do is create an __init__.py file with the
> content:
>
> from Products.PythonScripts.Utility import allow_module
> allow_module('os.popen')
>
> in an appropriate products folder. As this got me nowhere I dug around
> and found that "# These have been relocated, and should be imported from
> AccessControl" so I modified this to:
>
> from AccessControl import allow_module
> allow_module('os.popen')
>
> This I've done and indeed, I have the appropriate product listed in the
> Control Panel. When I call my testScript, it all works fine up to:
>
> return popen(cmd_str).read()
>
> Where cmd_str is a valid string which has been run in a standalone python
> environment. When I uncomment this line I get endless requests for a
> username:password pair from the browser.
>
> Quite obviously I'm doing something wrong. At this point in time I do not
> understand Zope at all and the more I read, the more confused I get :-(
>
> Can someone point me in the right direction?
>
> Many thanks
>
> Simon Forster
> _____________________________________________________
>   LDML Ltd, 62 Pall Mall, London, SW1Y 5HZ, UK
>   Tel: +44 (0)70 9230 5244   Fax: +44 (0)70 9230 5247
> _____________________________________________________
>
> [1] Actually, I don't care where I call os.popen() from. I've played with
> external scripts and started down the road of futzing with a product to
> do this. However, the simplest approach seems to be the one I following
> at the moment. Once I can get this working, hopefully I can progress in
> other areas.
>
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