>>> l = 'bla' >>> if type(l)==str: ... l=[l] ... >>> type(l) <type 'list'> >>>
On Friday, March 30, 2012 6:36:01 AM UTC-4, weheh wrote: > > I have a grouping function based on what items are selected in a > multi-select widget. When the user presses a button, an ajax call is made > to a callback that evaluates the items that have been selected. The > evaluated item "list" is stored in request.vars.mylist. > > Here's the problem. The "list" of values stored in request.vars.mylist may > or may not be a list. So when I go to evaluate the selected items, I would > normally do something like this: > > for item in request.vars.mylist: > do_something(int(item)) > > The problem is this. If only one item is selected, a list is not returned. > A string is returned instead. So if the request.vars.mylist is a single > item, '123', then item will be set as if request.vars.mylist were > ['1','2','3']. > > Now I know I can easily compensate for that (I'm curious to hear what > people would suggest as the most efficient method). But why wouldn't that > be considered an inconsistency that needed fixing? >
