[Python-Dev] PEP 362 Third Revision

Thu Jun 14 18:16:27 CEST 2012

On 2012年06月14日, at 11:24 AM, Brett Cannon wrote:
> On Thu, Jun 14, 2012 at 9:50 AM, Yury Selivanov <yselivanov.ml at gmail.com> wrote:
>> [SNIP]
>> Let's consider replacement of 'Parameter.is_*' set of attributes with
> a single 'Parameter.kind' attribute, which will have the following
> possible values: 'positional', 'vararg', 'keyword-only', 'varkwarg'.
>> (I think 'positional' is more intuitive than 'index'?)
>>> +1 if this change is made.

How about adding 'kind' and keeping 'is_*' attributes,
but making them read-only dynamic properties, i.e.:
 class Parameter:
 ...
 @property
 def is_vararg(self):
 return self.kind == 'vararg'
 ...
?
Thanks,
-
Yury