[BangPypers] ElementTree nodes

Sidharth Kuruvila sidharth.kuruvila at gmail.com
Sun Oct 25 21:13:00 CET 2009


  I don't have elementree, so I just wanted to confirm what is
happening here. Is it that the Element type is a subclass of list.
Which would lead an empty Element to have the same boolean property as
an empty list.

Or is there some way of specifying the truthfulness of an object.


On Mon, Oct 26, 2009 at 1:07 AM, Noufal Ibrahim <noufal at gmail.com> wrote:
> On Mon, Oct 26, 2009 at 12:52 AM, bhaskar jain
> <bhaskar.jain2002 at gmail.com> wrote:
>> On Mon, Oct 26, 2009 at 12:31 AM, Noufal Ibrahim <noufal at gmail.com> wrote:
>>>>>Can you try this with an element that has zero children? From effbot's
>>>>>docs, I think that's the difference.
>> "The boolean interpretation will most likely change in future versions, so
>> that all elements evaluate to true, also if they have no children."
>> Correct.[..]
> Yup. Felt weird that an object with working methods evaluated to false
> just because it was a leaf in a tree. That's probably saying a lot
> about the consistency of objects in Python generally and how a small
> thing can be quite jarring.
> --
> ~noufal
> http://nibrahim.net.in
> _______________________________________________
> BangPypers mailing list
> BangPypers at python.org
> http://mail.python.org/mailman/listinfo/bangpypers

I am but a man.

More information about the BangPypers mailing list