[Zope] Why do I get an attribute error when one tool calls anothertool?

[Brian Lloyd]

Hi Peter -

getToolByName depends on acquisition to work, and the one 
place that it doesn't work is in a constructor ;) 

HTH,

Brian Lloyd        brian at zope.com
V.P. Engineering   540.361.1716              
Zope Corporation   http://www.zope.com 


> -----Original Message-----
> From: zope-bounces at zope.org [mailto:zope-bounces at zope.org]On Behalf Of
> Peter Millar
> Sent: Sunday, December 05, 2004 8:32 PM
> To: Zope
> Subject: [Zope] Why do I get an attribute error when one tool calls
> anothertool?
> 
> 
> I can see that the MemberDataTool is able to call the portal_membership
> tool using the getToolByName method. (and there are hundreds more
> examples where this is successful)
> 
> But when I try to do it I get an attribute error, (before you ask, yes
> the first tool has been successfully created first prior to me trying to
> add this second tool.):
> 
> Traceback (innermost last):
> Module ZPublisher.Publish, line 101, in publish
> Module ZPublisher.mapply, line 88, in mapply
> Module ZPublisher.Publish, line 39, in call_object
> Module Products.CMFCore.utils, line 427, in manage_addTool
> Module Products.ParasynPIP.ParasynChartTool, line 87, in __init__
> Module Products.ParasynPIP.ParasynPIPChartTool, line 80, in
> getParasynPIPTool
> Module Products.CMFCore.utils, line 75, in getToolByName
> AttributeError: parasynpip_tool
> 
> My code in the second tool looks like:
> 
> def __init__(self):
>    ppt =   getToolByName(self,"parasynpip_tool")
> 
> Any help anyone could provide would be fantastic, thanks in advance.
> 
> My Install is zope 2.7.3, python 2.3, plone 2.0, no other installed
> products, on windoze, 
> ____________________________________________ 
> Peter Millar 
> 
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