[Zope] how to call an external module from a Python script?

[Reif Peter]

> From: Dieter Maurer *EXTERN* [mailto:dieter@handshake.de]
> 
>  > And how do I call a DTML-variable (object?) defined with 
>    <dtml-let var=...>
>  > from my script?
>  > context.var, container.var, script.var don't work.
> You bind the "namespace".
> This binding is there for precisely this aim....
> 

>From the Zope Book (Chapter 8, binding variables):

> Namespace
>	... If your script is calles from a DTML Method, and you have
>	chosen a name for this binding, then the named variable contains the
>	DTML namespace ...
>
> ... these bindings are listed in comments at the top of your script files:
>
> ...
> ##bind namespace=
> ...
>
> You can change your script's bindings by changing these comments...

My script:

  ...
  ##bind namespace=namespace
  ...

  zone = namespace.zone
  return zone

It is called from a DTML-method where the tag <dtml-var zone> is rendered
correctly:

  ...
  <dtml-var get_status_a>
  ...

Error:

Zope Error
Zope has encountered an error while publishing this resource.
Error Type: AttributeError
Error Value: zone