вторник, 17 марта 2015 г., 19:52:28 UTC+3 пользователь Luciano Ramalho написал:

Sometimes we need a simple class to hold some mutable attributes,
provide a nice repr, support == for testing, and support iterable
unpacking, so you can write:

>>> p = Point(3, 4)
>>> x, y = p

That's very much like the classes built by namedtuple, but mutable.

I propose we add to the collections module another class factory. I am
calling it plainclass, but perhaps we can think of a better name. Here
is how it would be used:

>>> import collections
>>> Point = collections.plainclass('Point', 'x y')

The signature of the plainclass function would be exactly the same as
namedtuple, supporting the same alternative ways of naming the
attributes.