+0
Questions:
1. What's the use case for partial having __name__?
2. Does this imply it should have __qualname__ as well?
3. What name would be given to (an inherently anonymous) lambda?
Notes:
1. I would prefer __name__ to be more qualifying like its repr (e.g.
partial(foo, "x") → "<partial foo>")
On Mon, 2022-08-29 at 21:31 -0700, Charles Machalow wrote:
> Hey folks,
>
> I propose adding __name__ to functools.partial.
>
> >>> get_name = functools.partial(input, "name: ")
> >>> get_name()
> name: hi
> 'hi'
> >>> get_name.__name__
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> AttributeError: 'functools.partial' object has no attribute
> '__name__'
> >>> get_name.func
> <built-in function input>
> >>> get_name.func.__name__
> 'input'
>
> We could set __name__ based off of partial.func.__name__ or we could
> try to set it to something like 'partial calling func.__name__'
>
> If the callable doesn't have a name, we could fall back to a None
> __name__ or set it to something generic.
>
> Even lambdas have __name__ set:
>
> >>> l = lambda: input('name: ')
> >>> l.__name__
> '<lambda>'
>
> This proposal makes __name__ on partial objects more useful than the
> current behavior of __name__ on lambda objects as well. We could port
> over similar functionality to lambda if we'd like.
>
> - Charlie Scott Machalow
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