Like c enumeration in python3 [ERRATA]

[Peter Otten]

Paulo da Silva wrote:

> Às 02:18 de 23/03/20, Paulo da Silva escreveu:
>> Hi!
>> 
>> Suppose a class C.
>> I want something like this:
>> 
>> class C:
>> KA=0
>> KB=1
> KC=2
>> ...
>> Kn=n
>> 
>> def __init__ ...
>> ...
>> 
>> 
>> These constants come from an enum in a .h (header of C file).
>> They are many and may change from time to time.
>> Is there a way to somehow define them from inside __init__ giving for
>> example a list of names as strings?
>> There is an additional problem: C is not recognized inside __init__!
> Of course I'm talking about C class name, not C language.

Use enum:

>>> import enum
>>> C = enum.IntEnum("C", ["KA", "KB", "KC"], start=0)
>>> C.KB
<C.KB: 1>
>>> C.KB == 1
True

https://docs.python.org/3/library/enum.html#functional-api