[issue7796] No way to find out if an object is an instance of a namedtuple

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

It seems a perfect case for "duck typing" style of programming:
All namedtuple classes:
- inherit from tuple
- have a "_fields" class attribute
These two properties could be the "duck test" for namedtuples, regardless of the actual implementation.

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nosy: +amaury.forgeotdarc

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7796>
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