[Python-ideas] constant/enum type in stdlib

[Georg Brandl]

Am 30.01.2013 17:26, schrieb Antoine Pitrou:

>> With a Python 3 metaclass that provides default values for *looked up*
>> entries you could have this:
>> 
>> class Color(Enum):
>>     RED, WHITE, BLUE
> 
> This relies on tuple evaluation order, and would also evaluate any
> other symbol looked up from inside the class body (which means I
> cannot add anything else than enum symbols to the class).
> 
> In other words, I'm afraid it would be somewhat fragile ;)

And it breaks static code checkers like pyflakes.

Georg