[Python-ideas] A user story concerning things knowing their own names

[Terry Reedy]

On 3/16/2011 12:11 PM, Michael Foord wrote:
>
> On 16 March 2011 11:10, Larry Hastings <larry at hastings.org
>     As I suggested in my email on the Assignment Decorators thread this
>     morning, you could achieve this in current Python, no extension needed:
>
>         def assign(fn):
>              return fn(fn.__name__)
>
>         @assign
>         def content_size(name):
>              return overridable_property(name, "Size of the content area.")

> And building on this sightly you could do the following for namedtuple:
>  >>> from collections import namedtuple
>  >>> import inspect
>  >>> def make_namedtuple(fn):
> ...      args = ' '.join(inspect.getargspec(fn).args)
> ...      return namedtuple(fn.__name__, args)
> ...
>  >>> @make_namedtuple
> ... def Point(x, y): pass
> ...
>  >>> p = Point(1, 2)
>  >>> p
> Point(x=1, y=2)

If make_namedtuple were added to collections, then one could import 
*that* instead of 'namedtuple' itself.

-- 
Terry Jan Reedy