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David Peter 86b01d2d3c [red-knot] Correct modeling of dunder calls (#16368 ) ## Summary Model dunder-calls correctly (and in one single place), by implementing this behavior (using `__getitem__` as an example). ```py def getitem_desugared(obj: object, key: object) -> object: getitem_callable = find_in_mro(type(obj), "__getitem__") if hasattr(getitem_callable, "__get__"): getitem_callable = getitem_callable.__get__(obj, type(obj)) return getitem_callable(key) ``` See the new `calls/dunder.md` test suite for more information. The new behavior also needs much fewer lines of code (the diff is positive due to new tests). ## Test Plan New tests; fix TODOs in existing tests.	2025-02-25 20:38:15 +01:00
..
mdtest	[red-knot] Correct modeling of dunder calls (#16368 )	2025-02-25 20:38:15 +01:00
README.md	[red-knot] document test framework (#13695 )	2024-10-10 12:02:01 -07:00

[red-knot] Correct modeling of dunder calls (#16368 )

## Summary

Model dunder-calls correctly (and in one single place), by implementing
this behavior (using `__getitem__` as an example).

```py
def getitem_desugared(obj: object, key: object) -> object:
    getitem_callable = find_in_mro(type(obj), "__getitem__")
    if hasattr(getitem_callable, "__get__"):
        getitem_callable = getitem_callable.__get__(obj, type(obj))

    return getitem_callable(key)
```

See the new `calls/dunder.md` test suite for more information. The new
behavior also needs much fewer lines of code (the diff is positive due
to new tests).

## Test Plan

New tests; fix TODOs in existing tests.

2025-02-25 20:38:15 +01:00

mdtest

[red-knot] Correct modeling of dunder calls (#16368 )

2025-02-25 20:38:15 +01:00

README.md

[red-knot] document test framework (#13695 )

2024-10-10 12:02:01 -07:00

README.md

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

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