I have a session variable called 'undergraduateProjectsDirected' that I
declare using the following syntax:
<dtml-call "REQUEST.SESSION.set('undergradProjectsDirected', [ ])">
When I try to append items to this list variable, I get the following
error:
AttributeError: 'NoneType' object has no attribute 'append'
I know for a fact that this variable exists since flushing the SESSION
attribute of the REQUEST variable using <dtml-var "REQUEST.SESSION">
yields its name and shows that it is initially empty.
I am using the following statement to append items:
<dtml-call
"(REQUEST.SESSION.get('undergraduateProjectsDirected')).append([student_name,
description])">
The strange thing is that when I change the name of this variable to
'undergradProjectsDirected', the error does not occur anymore.
Has anyone experienced something similar? I think a variable with the same
name exists (perhaps I created one in another one of my intranet
applications) and Zope is referring to the old copy instead of the newly
created one. I tried flushing the transient object container as well but
it did not make a difference.
Any help would be greatly appreciated. Thank you.
- Asad
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