garito at sistes
Mar 3, 2004, 6:30 AM
Post #3 of 3
(696 views)
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Thank you for your help
I would like to overrite some properties in my product with a know property
(Maestro)
For example I define an object:
ObjectA
PropertyA
PropertyB
PropertyC
Maestro -> this property has a transversal path to ObjectB
ObjectB
PropertyD
Then I would like to call
ObjectA.PropertyD -> these code calls ObjectB.Property
With these code I would like to construct a soft link mechanism
I try to override the __bobo_traverse__ with these code:
def __bobo_traverse__(self, Request, Name):
Maestro = getattr(self, '.Maestro', None)
if Maestro is not None:
obj = self.unrestrictedTraverse(Maestro.contenido)
Acquirido = obj.__of__(self)
return getattr(Acquirido, Name)
return getattr(self, Name)
these override works fine but is not recursive in the Maestro structures
If I use these other override :
def __bobo_traverse__(self, Request, Name):
"""Propiedad"""
Obj = self
Maestro = getattr(Obj, '.Maestro', None)
Paso = 1
while Maestro is not None:
Obj = self.restrictedTraverse(Maestro.contenido).__of__(self)
Maestro = getattr(Obj, '.Maestro', None)
Paso += 1
if Paso == 15: break
if hasattr(Obj, Name):
return getattr(Obj, Name)
return getattr(self, Name)
The recursive Maestro mechanism works fine but in the ZMI I obtain the
object in the Maestro structure. For me is an error because I can't see the
real content of the object
Do you understand my problem?
Thanks again!!!
PD: sorry for my english!
----- Original Message -----
From: "Tres Seaver" <tseaver [at] zope>
To: <zope-dev [at] zope>
Sent: Wednesday, March 03, 2004 3:33 AM
Subject: [Zope-dev] Re: Execution context
> Garito wrote:
> > Can I know the execution contexto of an object?
> >
> > I would like to know if the object is call by ZMI or DTML or Page
Templates etc
> >
> > is it posible?
>
> Perhaps; I am not sure I can see why it would be *desirable*. Given
> that Scripts, DTMLMethods, etc., try pretty hard to push themselves onto
> the execution stack just as though they were methods, you could probably
> introspect the result of calling 'sys._getframe(1)' to figure out what
> kind of thing called you.
>
> From the Python Cookbook, #14.7:
>
> >>> def whoami():
> ... """ Return the name of the calling function.
> ... """
> ... import sys
> ... return sys._getframe(1).f_code.co_name
> ...
> >>> def foobar():
> ... print whoami()
> ...
> >>> foobar()
> foobar
>
>
> Tres.
> --
> ===============================================================
> Tres Seaver tseaver [at] zope
> Zope Corporation "Zope Dealers" http://www.zope.com
>
>
> _______________________________________________
> Zope-Dev maillist - Zope-Dev [at] zope
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_______________________________________________
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http://mail.zope.org/mailman/listinfo/zope-dev
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