[Zope] hard dtml syntax problem

[Bill Anderson]

Jerome Alet wrote:
> 
> On Thu, 13 Jul 2000, Bill Anderson wrote:
> 
> > Jerome Alet wrote:
> > > > >
> > > > > Hi want to call ZopeFind to find all folders in the current folder which
> > > > > doesn't have got any subfolder.
> 
> Sorry, I should have added : recursively !!!


Ahh, big difference! :-)

[...]

> From a Folder, I want to recursively search for all "terminal" folders
> (leaves) and build a list of these folders.
> 
> bye "terminal" folder, I mean a folder with no subfolder.
> 
> The following should give me exactly the result I want, if only I knew how
> to write it in a way accepted by the dtml parser:
> 
> <dtml-let myresult="ZopeFind(this(), obj_metatypes=['Folder'],
> search_sub=1, obj_expr=""" not objectValues(['Folder']) """ )">
>   ...
> </dtml-let>
> 
> My actual solution is to do :
> 
> <dtml-let myresult="ZopeFind(this(), obj_metatypes=['Folder'],
> search_sub=1)">
>   <dtml-if "not objectValues(['Folder'])">
>     ...
>   </dtml-if>
> </dtml-let>
> 
> but this solution is not good because if I need len(myresult) it returns
> me the total number of folders, not the number of "terminal" folders, and
> I find it stupid to have to build a new list in a <dtml-in> and then
> loop over the new list in a second <dtml-in> because I know ZopeFind is
> the solution: can do it, I've tested it with the Find tab.
> 
> My only problem is: What is that f... syntax ?

Personally, something like this I would do in python. IMO, deep
recursion belongs in python,not DTML.


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