"isinstance" question
Ben Finney
ben+python at benfinney.id.au
Tue Jun 22 23:13:37 EDT 2010
John Nagle <nagle at animats.com> writes:
> I want to test whether an object is an instance of any user-defined
> class. "isinstance" is less helpful than one would expect.
Right. The type hierarchy is now unified; there's essentially no
difference in later Python versions between user-defined types and
built-in types.
> So that's useless.
For what purpose?
> I have to be missing something obvious here.
Maybe if we know what you're trying to do, we can suggest a better way.
--
\ “Human reason is snatching everything to itself, leaving |
`\ nothing for faith.” —Saint Bernard, 1090–1153 |
_o__) |
Ben Finney
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