[Python-ideas] Assignment decorators (Re: The Descriptor Protocol...)

Wed Mar 9 23:32:53 CET 2011

On 2011年03月09日 01:34, Terry Reedy wrote:
> All are syntactic sugar for
>> name = makeob('name', *arg, **kwds)
>> For classes and modules there are visibly such alternatives:
>> cls = type('cls',bases, classdict)
> mod = __import__('mod', ...)
>> There is also a function in inspect that makes functions.
>> So your point is correct:
>> name = makeob('name', ...) # becomes
>> keywd name ....
>> but we do not really want a new keyword for every new type of object
> with a definition name. Can we do with just one?

Thinking along those lines suggests
def(CharField) foo(size=10, nullable=False)
as sugar for
foo = CharField(size=10, nullable=False, __name__='foo')
This seems quite a good parallel to class definitions, though less close
to function definitions and import statements.
-M-