[Python-Dev] Enumeration item arguments?

[Larry Hastings]

On 04/29/2013 03:33 PM, Ethan Furman wrote:
> On 04/29/2013 03:25 PM, Eli Bendersky wrote:
>> On Mon, Apr 29, 2013 at 2:59 PM, Ethan Furman wrote:
>>>
>>> In the Planet example we saw the possibility of specifying arguments 
>>> to enum item __init__:
>>>
>>> class Planet(Enum):
>>>      MERCURY = (3.303e+23, 2.4397e6)
>>>      VENUS   = (4.869e+24, 6.0518e6)
>>>      EARTH   = (5.976e+24, 6.37814e6)
>>>      MARS    = (6.421e+23, 3.3972e6)
>>>      JUPITER = (1.9e+27,   7.1492e7)
>>>      SATURN  = (5.688e+26, 6.0268e7)
>>>      URANUS  = (8.686e+25, 2.5559e7)
>>>      NEPTUNE = (1.024e+26, 2.4746e7)
>>>
>>>      def __init__(self, mass, radius):
>>>          self.mass = mass       # in kilograms
>>>          self.radius = radius   # in meters
>>>
>>> Do we want to support this?
>>
>> Besides, did we not agree that the only acceptable *members* for 
>> enums are going to be descriptors? In the above, mass &
>> radius are not descriptors.
> Good point. We can leave that out, then.

self.__mass = mass

And surely we were discussing members of the class, not members of 
instances.


//arry/
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