[issue20653] Pickle enums by name

[Ethan Furman]

Ethan Furman added the comment:

Antoine,

If the mixed-in class defines __reduce_ex__, and the Enum class defines __reduce__, pickle will see that the Enum class has both, and will call the _ex__ method.  It is, therefore, the preferred method (at least by pickle, which is what we are discussing).  If you don't believe me, try it and see.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20653>
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