[Python-Dev] enum discussion: can someone please summarize open issues? (original) (raw)
Eli Bendersky eliben at gmail.com
Thu May 2 18:00:35 CEST 2013
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On Thu, May 2, 2013 at 8:57 AM, Barry Warsaw <barry at python.org> wrote:
On May 02, 2013, at 08:42 AM, Larry Hastings wrote:
>So, for the second time: How can Color.red and MoreColor.red be the same >object when they are of different types? It's a moot point now given Guido's pronouncement.
Correct. There's no Color.red and MoreColor.red. Subclassing is allowed only of enums that define no members. So this is forbidden:
class MoreColor(Color): ... pink = 17 ... TypeError: Cannot subclass enumerations
But this is allowed:
class Foo(Enum): ... def some_behavior(self): ... pass ... class Bar(Foo): ... happy = 1 ... sad = 2 ...
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