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Support for PEP 646 #12280
Description
PEP 646 has been accepted for inclusion in Python 3.11. Both pyre and pyright support it currently.
Third-party libraries and typeshed stubs will probably avoid using this functionality until mypy offers some level of support for it.
Perhaps as a first step, mypy could implement a minimal understanding of TypeVarTuple, Unpack, and the new grammar change for *? This would allow libraries to start using the new facilities without generating false positive errors in mypy. This is a similar approach to the one for PEP 612 (ParamSpec) and PEP 634 (structural pattern matching).
Activity
tyralla commentedon Nov 18, 2022
@jhance: I thought about giving it a try but then realised you already did a lot of work (at least #13105, #13210, #13211, #13586, #13889) that has been merged. Is there still much to do where others could help?
uriyyo commentedon Feb 6, 2023
Hi all,
Do we have a list of things left to implement to support PEP 646 fully?
vavanade commentedon Oct 11, 2023
What's the current state on this?
AlexWaygood commentedon Oct 11, 2023
See #16242 (comment)
Lordfirespeed commentedon Oct 24, 2023
With #16242 merged, is this issue resolved?
Enable Unpack/TypeVarTuple support (#16354)
Resolve some warnings per python/mypy#12280