[Python-Dev] Enumeration item arguments?
larry at hastings.org
Tue Apr 30 01:12:14 CEST 2013
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
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