ruff/crates/ty_python_semantic
Douglas Creager 3a542a80f6
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[ty] Handle cycles when finding implicit attributes (#19833)
The [minimal
reproduction](https://gist.github.com/dcreager/fc53c59b30d7ce71d478dcb2c1c56444)
of https://github.com/astral-sh/ty/issues/948 is an example of a class
with implicit attributes whose types end up depending on themselves. Our
existing cycle detection for `infer_expression_types` is usually enough
to handle this situation correctly, but when there are very many of
these implicit attributes, we get a combinatorial explosion of running
time and memory usage.

Adding a separate cycle handler for `ClassLiteral::implicit_attribute`
lets us catch and recover from this situation earlier.

Closes https://github.com/astral-sh/ty/issues/948
2025-08-08 17:01:17 -04:00
..
resources [ty] Implement module-level __getattr__ support (#19791) 2025-08-08 10:39:37 -07:00
src [ty] Handle cycles when finding implicit attributes (#19833) 2025-08-08 17:01:17 -04:00
tests [ty] Track open files in the server (#19264) 2025-07-18 19:33:35 +05:30
build.rs
Cargo.toml [ty] Avoid overcounting shared memory usage (#19773) 2025-08-06 15:32:02 -04:00
mdtest.py
mdtest.py.lock