A short example would help. I read all that and I'm still not sure what you meant.
> On 26 Oct 2019, at 13:13, Steve Jorgensen <[email protected]> wrote: > > After messing around with `Enum` for a while, there's one small thing that > I'd like to see improved. It seems limiting to me that the only way to > trigger `_generate_next_value` is to pass `auto()`. > > What if, for a particular `Enum`, I would like to be able to use `()` as a > shorthand for `auto()`? How about a more complex auto-generation that > determines the final value based on both the given value and the name/key > > As an example of the second case, start with an `Enum` subclas in which each > item, by default, has the name/key as its value and a prettified version of > the name as its label, but one can also specify the value and label using a > 2-item tuple for the value. Now, let's say we want to be able to specify a > custom label and still use the name/key as the value either as a None/label > tuple or as a string starting with a comma. > > Using a custom test for auto, one could identify those cases, Passing the > assigned value to the `_generate_next_value_` function would allow it to make > use of that information. For backward compatibility, the signature of the > `_generate_next_value_` function can be checked to make sure it can accept > the extra argument for that before passing that. > _______________________________________________ > Python-ideas mailing list -- [email protected] > To unsubscribe send an email to [email protected] > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/[email protected]/message/RTH5D7WBI4KBOYHO6WYPNQDGJILLKO5Y/ > Code of Conduct: http://python.org/psf/codeofconduct/ _______________________________________________ Python-ideas mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/[email protected]/message/SVLM7BV5ERUGJUDS6B3ZJDK3BVLFE5NP/ Code of Conduct: http://python.org/psf/codeofconduct/
