[Python-Dev] PyPy, Jython, & IronPython: Enum convenience function and pickleablity

[Georg Brandl]

Am 02.05.2013 22:10, schrieb Antoine Pitrou:
> On Thu, 2 May 2013 15:48:14 -0400
> Benjamin Peterson <benjamin at python.org> wrote:
>> 2013/5/2 Ethan Furman <ethan at stoneleaf.us>:
>> > In order for the Enum convenience function to be pickleable, we have this
>> > line of code in the metaclass:
>> >
>> >     enum_class.__module__ = sys._getframe(1).f_globals['__name__']
>> >
>> > This works fine for Cpython, but what about the others?
>> 
>> Regardless of that, perhaps we should come up with better ways to do this.
> 
> Two things that were suggested in private:
> 
> 1) ask users to pass the module name to the convenience function
> explicitly (i.e. pass "seasonmodule.Season" instead of "Season" as the
> class "name"). Guido doesn't like it :-)
> 
> 2) dicth the "convenience function" and replace it with a regular
> class-based syntax. Ethan doesn't like it :-)

5) accept that convenience-created enums have restrictions such as no
picklability and point them out in the docs?

Georg