Given all the effort that get_type_hints() puts into evaluating those strings it seems important to spell out explicitly that they're not special. (IIRC they *are* special in PEP 563.)
On Tue, Jan 12, 2021 at 8:56 AM Larry Hastings <la...@hastings.org> wrote: > > Yes, PEP 649 is completely agnostic about what values you put in as > annotations. You can put in strings, complex objects, > expressions--whatever you put in, you get back out later. > > I'm happy to add some text to the PEP if this needs clarifying; I just > thought it was obvious. > > > Cheers, > > > */arry* > On 1/11/21 9:11 PM, Guido van Rossum wrote: > > Another thought about this PEP (hopefully my last one tonight). > > The section on backwards compatibility doesn't mention what should happen > with annotations that are stringified by the user (as is needed for forward > references in code that hasn't been PEP-563-ified yet). > > That's a PEP 484 feature. Should we start deprecating that at the same > time? Static checkers support it but don't need it (for example, stubs in > typeshed don't use it since their code is never evaluated). > > At the very least I think your PEP should mention what happens for these > -- presumably `__annotations__` will just contain the string literal, so > get_type_hints() would be needed to evaluate these. > > -- > --Guido van Rossum (python.org/~guido) > *Pronouns: he/him **(why is my pronoun here?)* > <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/> > > -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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