39b41838f3
[ty] synthesize __setattr__ for frozen dataclasses ( #19307 )
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## Summary
Synthesize a `__setattr__` method with a return type of `Never` for
frozen dataclasses.
https://docs.python.org/3/library/dataclasses.html#frozen-instances
https://docs.python.org/3/library/dataclasses.html#dataclasses.FrozenInstanceError
### Related
https://github.com/astral-sh/ty/issues/111
https://github.com/astral-sh/ruff/pull/17974#discussion_r2108527106
https://github.com/astral-sh/ruff/pull/18347#discussion_r2128174665
## Test Plan
New Markdown tests
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Co-authored-by: David Peter <mail@david-peter.de>
2025-07-18 11:35:05 +02:00
ce2bdb9357
[ty] Conditionally defined dataclass fields ( #19197 )
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## Summary
Fixes a bug where conditionally defined dataclass fields were previously
ignored.
Thanks to @lipefree for reporting this.
## Test Plan
New Markdown tests
2025-07-08 16:16:50 +02:00
9a4b85d845
[ty] Add tests for dataclass fields annotated with `Final` ( #19202 )
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## Summary
Adds some tests for dataclass fields that are annotated with `Final`
(see comment
[here](https://github.com/astral-sh/ruff/pull/15768#issuecomment-3044737645 )).
Turns out that nothing is needed here, everything already works as
expected (apart from the fact that we can assign to `Final` fields,
which is tracked in https://github.com/astral-sh/ty/issues/158
## Test Plan
New Markdown tests
2025-07-08 12:33:46 +00:00
e212dc2e8e
[ty] Restructure/move dataclass tests ( #19117 )
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Before I'm adding even more dataclass-related files, let's organize them
in a separate folder.
2025-07-03 10:36:14 +00:00
justin
David Peter