[Zope] Iterating over a Python list with <dtml-in>

[FLORAC Thierry]

On Friday 06 February 2004 09:37, Sven Jacobs wrote:
> Dear newsgroup,
>
> I want to iterate over a list returned by a Python script using the
> <dtml-in> tag of Zope. The script looks like this:
>
> # Script BEGIN
> missing = []
>
> for curprop in context.sqlGetObjectProperties(objid=curobjid):
>
>    found = 0
>
>    for prop in context.sqlGetObjectTypeProperties(objtypid=curobjtypid):
>      if (curprop.propid == prop.propid):
>        found = 1
>
>    if (found == 0):
>      missing.append(prop.propid)
>
> return missing
> # Script EOF
>
> The test DTML document looks like this
>
> <dtml-in
> expr="pyGetMissingObjectProperties(curobjid=objid,curobjtypid=objtypid)">
>    <dtml-var sequence-index><br>
> </dtml-in>
>
> and works fine, I see several sequence indexes. But how do I actually
> access the values from the list? <dtml-var missing> within the <dtml-in>
> block does not work :(

Of course : "missing" is not a property of each item in the list : it's the 
list itself, which is returned by the Python script.
To get the value of the item, just use <dtml-var sequence-item> (or <dtml-var 
toto> if each item in the list has a property called "toto").

  Thierry