Sync typeshed #18403
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Sync typeshed #18403
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Source commit: python/typeshed@b66d6cf
This is allegedly causing large performance problems, see 13821 typeshed/8231 had zero hits on mypy_primer, so it's not the worst thing to undo. Patching this in typeshed also feels weird, since there's a more general soundness issue. If a typevar has a bound or constraint, we might not want to solve it to a Literal. If we can confirm the performance regression or fix the unsoundness within mypy, I might pursue upstreaming this in typeshed. (Reminder: add this to the sync_typeshed script once merged)
… checking: python#13987 (comment) A manual cherry-pick of e437cdf.
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Mypy primer hits
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Diff from mypy_primer, showing the effect of this PR on open source code: dd-trace-py (https://github.com/DataDog/dd-trace-py)
+ ddtrace/profiling/collector/threading.py:43: error: Unused "type: ignore" comment [unused-ignore]
trio (https://github.com/python-trio/trio)
+ src/trio/_core/_traps.py:307: error: "Coroutine[Any, Outcome[object], Any]" has no attribute "cr_running" [attr-defined]
+ src/trio/_core/_ki.py:179: error: "Coroutine[Any, Outcome[object], Any]" has no attribute "cr_frame" [attr-defined]
+ src/trio/_core/_run.py:1882: error: "Coroutine[object, Never, object]" has no attribute "cr_frame" [attr-defined]
+ src/trio/_core/_tests/test_asyncgen.py:91: error: "AsyncGenerator[int, None]" has no attribute "ag_frame" [attr-defined]
+ src/trio/_core/_tests/test_asyncgen.py:304: error: "AsyncGenerator[object, Never]" has no attribute "ag_frame" [attr-defined]
+ src/trio/_core/_tests/test_asyncgen.py:307: error: "AsyncGenerator[object, Never]" has no attribute "ag_frame" [attr-defined]
discord.py (https://github.com/Rapptz/discord.py)
- discord/webhook/sync.py:153: error: Incompatible types in assignment (expression has type "DeferredLock", variable has type "Lock") [assignment]
+ discord/webhook/sync.py:153: error: Incompatible types in assignment (expression has type "DeferredLock", variable has type "LockType") [assignment]
- discord/webhook/sync.py:197: error: "Lock" has no attribute "delay_by" [attr-defined]
+ discord/webhook/sync.py:197: error: "LockType" has no attribute "delay_by" [attr-defined]
pyinstrument (https://github.com/joerick/pyinstrument)
- pyinstrument/vendor/decorator.py:295: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, VarArg(Any), KwArg(Any)], Any]", variable has type "Callable[[_GeneratorContextManager[_T_co], Callable[..., Iterator[_T_co]], tuple[Any, ...], dict[str, Any]], None]") [assignment]
+ pyinstrument/vendor/decorator.py:295: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, VarArg(Any), KwArg(Any)], Any]", variable has type "Callable[[_GeneratorContextManagerBase[_G], Callable[..., _G], tuple[Any, ...], dict[str, Any]], None]") [assignment]
- pyinstrument/vendor/decorator.py:301: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, VarArg(Any), KwArg(Any)], Any]", variable has type "Callable[[_GeneratorContextManager[_T_co], Callable[..., Iterator[_T_co]], tuple[Any, ...], dict[str, Any]], None]") [assignment]
+ pyinstrument/vendor/decorator.py:301: error: Incompatible types in assignment (expression has type "Callable[[Any, Any, VarArg(Any), KwArg(Any)], Any]", variable has type "Callable[[_GeneratorContextManagerBase[_G], Callable[..., _G], tuple[Any, ...], dict[str, Any]], None]") [assignment]
werkzeug (https://github.com/pallets/werkzeug)
+ src/werkzeug/debug/tbtools.py:261: error: Incompatible types in assignment (expression has type "Optional[TracebackException]", variable has type "TracebackException") [assignment]
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Source commit:
python/typeshed@b66d6cf