>>>>> "Gary" == Gary Herron <[EMAIL PROTECTED]> writes:
Gary> Erik Max Francis wrote:
>> Pierre Barbier de Reuille wrote: > > >
>>When you need some symbols in your program, what do you use in
>> Python ?
>>>
>>> For example, an object get a state. This state is more
>>> readable if expressed as a symbols, for example "opened",
>>> "closed", "error". Typically, in C or C++, I would use an
>>> enum for that: enum OBJECT_STATE { opened, closed, error
>>> }
>>>
>>>
>>
> OPENED, CLOSED, ERROR = range(3)
>>
>> object.state = OPENED
>>
>>
Gary> Another similar approach that keeps those values together in
Gary> a single namespace is this (my favorite):
Gary> class State: OPENED, CLOSED, ERROR = range(3)
Gary> Then you can refer to the values as State.OPENED
Gary> State.CLOSED State.ERROR
Gary> The extra clarity (and slight wordiness) of the dotted
Gary> notation seems, somehow, quite Pythonic to me.
Gary> Gary Herron
I think Zoran Isailovski has the last word on the topic:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/413486
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