[Python-ideas] anonymous object support

[Eric V. Smith]

On 07/25/2011 05:44 AM, Herman Sheremetyev wrote:
> Giving those first two positional arguments default values (empty
> string and empty tuple?) would make it even better:
> 
> obj = type(foo=lambda self, x: x)()
> 
> That's only one set of parens away from my initial proposal, but I
> think it's close enough. Would there be any objections to changing the
> type() API to support this?

-1 on changing type(). Just add this to your code:

>>> def mytype(**kwargs):
...   return type('', (), kwargs)()

Then you can get rid of the extra parens:

>>> obj=mytype(foo=lambda self, x: x)
>>> obj.foo(3)
3


Eric.