[Zope] Passing namespace from DTML to Python Script

[andres@corrada.com]

Hi Chris

My initial guess would have been to try:

return context._['test_thang']

I thought context gave you access to the namespace. Am I wrong?

On Thu, May 24, 2001 at 10:51:41AM +0100, Chris Withers wrote:
> Hi,
> 
> I want to call a python script from DTML and pass the namespace, the trouble is,
> the PS needs to be called from a python expression in DTML.
> 
> So, taking the simple DTML method:
> <dtml-var standard_html_header>
> <dtml-let test_thang="'Test Thang'">
> <dtml-var "test_ps" html_quote>
> </dtml-let>
> <dtml-var standard_html_footer>
> 
> ...and a simple python script (with namespace bound to _):
> return _['test_thang']
> 
> ..which of coruse, doesn't work, it gives me:
> <PythonScript instance at 01B17ED0> 
> 
> ..so change <dtml-var "test_ps" html_quote> to <dtml-var "test_ps()" html_quote>
> and now I get:
> Error type: KeyError
> Error value: test_thang 
> 
> ...fair enough thinks me, I need to do the old dtml trick and so change to:
> <dtml-var "test_ps(_.None,_)" html_quote>
> ...and now I get:
> Error type: TypeError
> Error value: no arguments expected 
> 
> ...OK, irritating, but lets try changing the parameter list to 'context, _':
> Finally I get what I want:
> Test Thang 
> 
> However, now I want to call it somewhere else as just <dtml-var test_ps>, I get:
> Error type: TypeError
> Error value: not enough arguments; expected 2, got 0 
> 
> ...at this point my head exploded and I thought I'd mail the list. Can anyone
> explain how Ishould eb doing this?
> 
> cheers,
> 
> Chris
> 
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-- 
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Andres Corrada-Emmanuel   Email: andres@corrada.com
Internet Programming      http://www.mamey.com
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