Yes, it’s https://bugs.python.org/issue34776
--
Eric
> On Sep 27, 2018, at 12:05 PM, Ivan Levkivskyi wrote:
>
> Do we have a b.p.o. issue about this? If no, then I would recommend to open
> one, so that we will not loose track of this.
>
> --
> Ivan
>
>
>
>> On Sat, 22 Sep 2018 at 16:32,
Do we have a b.p.o. issue about this? If no, then I would recommend to open
one, so that we will not loose track of this.
--
Ivan
On Sat, 22 Sep 2018 at 16:32, David Hagen wrote:
> The new postponed annotations have an unexpected interaction with
> dataclasses. Namely, you cannot get the
> On Sep 22, 2018, at 1:38 PM, Yury Selivanov wrote:
>
> On Sat, Sep 22, 2018 at 3:11 PM Guido van Rossum wrote:
> [..]
>> Still, I wonder if there's a tweak possible of the globals and locals used
>> when exec()'ing the function definitions in dataclasses.py, so that
>> get_type_hints()
On Sat, Sep 22, 2018 at 12:41 PM Guido van Rossum
wrote:
> Probably a bugs.python.org issue is a better place to dive into the
details than python-dev.
Issue tracker issue created: https://bugs.python.org/issue34776
___
Python-Dev mailing list
On Sat, Sep 22, 2018 at 3:11 PM Guido van Rossum wrote:
> Still, I wonder if there's a tweak possible of the globals and locals
used when exec()'ing the function definitions in dataclasses.py, so that
get_type_hints() gets the right globals for this use case.
On Sat, Sep 22, 2018 at 4:38 PM Yury
On Sat, Sep 22, 2018 at 3:11 PM Guido van Rossum wrote:
[..]
> Still, I wonder if there's a tweak possible of the globals and locals used
> when exec()'ing the function definitions in dataclasses.py, so that
> get_type_hints() gets the right globals for this use case.
>
> It's really tough to
On Sat, Sep 22, 2018 at 11:29 AM Eric V. Smith wrote:
> I think this problem is endemic to get_type_hints(). I've never
> understood how you're supposed to use the globals and locals arguments
> to it, but this works:
>
> print(get_type_hints(Bar.__init__, globals()))
>
> as does:
>
>
On 9/22/2018 12:41 PM, Guido van Rossum wrote:
This is a good catch -- thanks for bringing it up. I'm adding Eric Smith
(author of dataclasses) and Ivan Levkivskyi (co-author of typing) as
well as Łukasz Langa (author of PEP 563) to the thread to see if they
have further insights.
I don't
This is a good catch -- thanks for bringing it up. I'm adding Eric Smith
(author of dataclasses) and Ivan Levkivskyi (co-author of typing) as well
as Łukasz Langa (author of PEP 563) to the thread to see if they have
further insights.
Personally I don't think it's feasible to change PEP 563 to
The new postponed annotations have an unexpected interaction with
dataclasses. Namely, you cannot get the type hints of any of the data
classes methods.
For example, I have some code that inspects the type parameters of a
class's `__init__` method. (The real use case is to provide a default
10 matches
Mail list logo
