Strange error with getattr() function

[Gabriel Genellina]

At Monday 18/12/2006 12:33, Hole wrote:

>I'm trying to use Zope and the product OpenFlow.

Try posting in the Zope list, you surely will have more responses.

>I got the following error while I was using the built-in function
>getattr() to retrieve an OpenFlow object:
>
>attribute name must be string
>
>
>Actually, I surely pass a string as attribute name to getattr()
>
>The code:
>
>#following instruction returns me the string "WorkFlowTest"
>openflow_id=container.aq_parent.id

Are you sure it's a string? Some objects have an id() method. You 
always should use getId().

>if (hasattr(container,openflow_id):
>     #the interpreter enter in this block, so
>     #it's sure that container has an attribute called WorkFlowTest
>     openflow=getattr(container,openflow_id)
>
>At this point, I got the error: attribute name must be string

getattr is acquisition-aware so you might be retrieving another thing...

>The *strange* is that I get the same error even if I pass the attribute
>name to the getattr() function as pure string:
>
>getattr(container,"WorkFlowTest")
>(sic!!!!!)

If you're really sure of this, I think the error may occur inside 
another function in the getattr chain.



-- 
Gabriel Genellina
Softlab SRL 


	

	
		
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