ruff/crates/ty_python_semantic/resources
justin 656273bf3d
Some checks are pending
CI / mkdocs (push) Waiting to run
CI / Determine changes (push) Waiting to run
CI / cargo fmt (push) Waiting to run
CI / cargo clippy (push) Blocked by required conditions
CI / cargo test (linux) (push) Blocked by required conditions
CI / cargo test (linux, release) (push) Blocked by required conditions
CI / cargo test (windows) (push) Blocked by required conditions
CI / cargo test (wasm) (push) Blocked by required conditions
CI / cargo build (release) (push) Waiting to run
CI / formatter instabilities and black similarity (push) Blocked by required conditions
CI / cargo build (msrv) (push) Blocked by required conditions
CI / cargo fuzz build (push) Blocked by required conditions
CI / fuzz parser (push) Blocked by required conditions
CI / test scripts (push) Blocked by required conditions
CI / test ruff-lsp (push) Blocked by required conditions
CI / ecosystem (push) Blocked by required conditions
CI / Fuzz for new ty panics (push) Blocked by required conditions
CI / cargo shear (push) Blocked by required conditions
CI / python package (push) Waiting to run
CI / pre-commit (push) Waiting to run
CI / check playground (push) Blocked by required conditions
CI / benchmarks-instrumented (push) Blocked by required conditions
CI / benchmarks-walltime (push) Blocked by required conditions
[ty Playground] Release / publish (push) Waiting to run
[ty] synthesize __replace__ for dataclasses (>=3.13) (#19545)
## Summary
https://github.com/astral-sh/ty/issues/111

adds support for the new `copy.replace` and `__replace__` protocol
[added in 3.13](https://docs.python.org/3/whatsnew/3.13.html#copy)

- docs: https://docs.python.org/3/library/copy.html#object.__replace__
- some discussion on pyright/mypy implementations:
https://discuss.python.org/t/dataclass-transform-and-replace/69067



### Burndown
- [x] add tests
- [x] implement `__replace__`
- [ ]
[collections.namedtuple()](https://docs.python.org/3/library/collections.html#collections.namedtuple)
- [x]
[dataclasses.dataclass](https://docs.python.org/3/library/dataclasses.html#dataclasses.dataclass)

## Test Plan
new mdtests

---------

Co-authored-by: David Peter <mail@david-peter.de>
2025-07-29 17:32:01 +02:00
..
corpus [ty] Do not consider a type T to satisfy a method member on a protocol unless the method is available on the meta-type of T (#19187) 2025-07-25 11:16:04 +01:00
mdtest [ty] synthesize __replace__ for dataclasses (>=3.13) (#19545) 2025-07-29 17:32:01 +02:00
primer [ty] Move zope.interface to good.txt for primer runs (#19208) 2025-07-25 14:12:17 +01:00
README.md Rename Red Knot (#17820) 2025-05-03 19:49:15 +02:00

Markdown files within the mdtest/ subdirectory are tests of type inference and type checking; executed by the tests/mdtest.rs integration test.

See crates/ty_test/README.md for documentation of this test format.