[ty] Respect non-explicitly defined dataclass params#24170
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Typing conformance resultsNo changes detected ✅Current numbersThe percentage of diagnostics emitted that were expected errors held steady at 86.32%. The percentage of expected errors that received a diagnostic held steady at 80.30%. The number of fully passing files held steady at 67/133. |
Memory usage reportMemory usage unchanged ✅ |
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AlexWaygood
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Mar 25, 2026
carljm
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Mar 25, 2026
* main: [ty] make `test-case` a dev-dependency (#24187) [ty] implement cycle normalization for more types to prevent too-many-cycle panics (#24061) [ty] Silence all diagnostics in unreachable code (#24179) [ty] Intern `InferableTypeVars` (#24161) Implement unnecessary-if (RUF050) (#24114) Recognize `Self` annotation and `self` assignment in SLF001 (#24144) Bump the npm version before publish (#24178) [ty] Disallow Self in metaclass and static methods (#23231) Use trusted publishing for NPM packages (#24171) [ty] Respect non-explicitly defined dataclass params (#24170) Add RUF072: warn when using operator on an f-string (#24162) [ty] Check return type of generator functions (#24026) Implement useless-finally (RUF-072) (#24165) [ty] Add test for a dataclass with a default field converter (#24169) [ty] Dataclass field converters (#23088) [flake8-bandit] Treat sys.executable as trusted input in S603 (#24106) [ty] Add support for `typing.Concatenate` (#23689) `ASYNC115`: autofix to use full qualified `anyio.lowlevel` import (#24166) [ty] Disallow read-only fields in TypedDict updates (#24128) Speed up diagnostic rendering (#24146)
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Summary
It's unclear to me if this is the intention of the spec, but all other type checkers work this way, and I don't see a huge downside. The only drawback is that we might pretend that dataclass-transformers support features that they actually do not.
Related discussion: https://discord.com/channels/1415418553045352598/1415418553573572651/1486294011420610629
closes astral-sh/ty#3115
Test Plan
New regression test