Stefane Fermigier wrote:
> Hi,
>
> please try this as a DTML Method:
>
> <dtml-let l="[[1, 2], [3, 4]]">
> <dtml-in l>
> <dtml-var "_['sequence-item']"><br>
> </dtml-in>
> </dtml-let>
>
> <dtml-let l="[(1, 2), (3, 4)]">
> <dtml-in l>
> <dtml-var "_['sequence-item']"><br>
> </dtml-in>
> </dtml-let>
>
> Why should the two results differ ?
This is a designed-in feature of dtml-in.
When you call an items() method on a dictionary-like object, you get
back a list of two-tuples: [(key1,value1), (key2,value2, ...]
It is often nice to iterate through such a list in dtml, so, dtml-in
detects that the next item in the iteration is a two-tuple, and puts the
elements of the tuple in sequence-key and sequence-item.
If you look throughthe zope-dev list archives, you'll find a number of
arguments on each side as to whether this is a bug or a feature.
--
Steve Alexander
Software Engineer
Cat-Box limited
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