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From: Nobody <nobody@nowhere.com>
Subject: Re: Interface and duck typing woes
Date: Thu, 29 Aug 2013 10:41:39 +0100
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On Wed, 28 Aug 2013 18:09:22 -0300, Joe Junior wrote:

> Of course I don't want to check isistance(), I like duck typing, but
> should I check if hasattr() and callable() before adding to the container?

That won't tell you if the object has a quack() method but with
incompatible semantics (e.g. wrong number or types of arguments).

> What is the pythonic way to deal with it?

Ignore it. If you want early type checking, use a statically-typed
language.