I suspect there is no 'standard' definition of week number.
E.g. if the year begins on a Wednesday, is the following Monday part
of week 1 or week 2?
Once you decide, you can design a calculation starting with
"some_date_object.dayOfYear()" which will give you the day number in
the range 1 to
I *think* you've stumbled upon the way _.getitem behaves by default:
(from the DTML reference)
getitem(name,flag) Lookup a name in the namespace. If the value is
callable and the flag is true, then the result
of calling the value is returned, ot