[Python-Dev] Need a way to test for 8-bit-or-unicode-string (original) (raw)

Neil Schemenauer nas@python.ca
Fri, 5 Oct 2001 08:11:36 -0700

Guido van Rossum wrote:

if isinstance(x, str) or isinstance(x, unicode): is apparently too much typing.

Perhaps we could extend isinstance(). How about

isinstance(x, str, unicode)

or

isinstance(x, (str, unicode))

This is a common problem not limited to string types. I often want to test if something is a tuple or a list for example.

Neil