[Zope] PythonScript equivalent to dtml-with only

[Jerome Alet]

On Thu, Apr 12, 2001 at 12:38:51AM +0200, Dieter Maurer wrote:
> Jerome Alet writes:
>  > ....
>  > mylist = []
>  > for folder in context.objectValues(['Folder']) :
>  > 	if hasattr(folder, 'index_html') :
>  > 		mylist.append(folder)
>  > return mylist
>  > --- CUT ---
>  > 
>  > The problem with the above code is that if index_html is acquired from the
>  > parent folders my hasattr test is true. I want it to be false in the case
>  > of acquisition.
> Most of the time (in all practical cases),
> 
>      if hasattr(folder.aq_explicit, 'index_html'):
> 
> will work.
> 
> When you search the mailing list archives for a
> post "Unexpected acqusition behaviour", you will
> see some cases, where it will not work.
> 
> A safe solution is to use "aq_base" (instead of "aq_explicit").
> "aq_base", however, is only be allowed in External Methods...

Thank you very much !

Finally I've found another solution, searching 'index_html' in
the ids of the objects returned by 
folder.objectValues(['DTML Method', 'DTML Document'])

should always work.

thanks again.

Jerome Alet