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[ty] Enable even more goto-definition on inlay hints (#21950)

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## Summary

Working on py-fuzzer recently (AKA, a Python project!) reminded me how
cool our "inlay hint goto-definition feature" is. So this PR adds a
bunch more of that!

I also made a couple of other minor changes to type display. For
example, in the playground, this snippet:

```py
def f(): ...
reveal_type(f.__get__)
```

currently leads to this diagnostic:

```
Revealed type: `<method-wrapper `__get__` of `f`>` (revealed-type) [Ln 2, Col 13]
```

But the fact that we have backticks both around the type display and
inside the type display isn't _great_ there. This PR changes it to

```
Revealed type: `<method-wrapper '__get__' of function 'f'>` (revealed-type) [Ln 2, Col 13]
```

which avoids the nested-backticks issue in diagnostics, and is more
similar to our display for various other `Type` variants such as
class-literal types (`<class 'Foo'>`, etc., not ``<class `Foo`>``).

## Test Plan

inlay snapshots added; mdtests updated
This commit is contained in:
Alex Waygood
2025-12-12 17:57:38 +00:00
committed by GitHub
parent dec4154c8a
commit a722df6a73
8 changed files with 713 additions and 116 deletions
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4
crates/ty_python_semantic/resources/mdtest/descriptor_protocol.md
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@@ -596,14 +596,14 @@ def f(x: object) -> str:
return "a"
reveal_type(f) # revealed: def f(x: object) -> str
reveal_type(f.__get__) # revealed: <method-wrapper `__get__` of `f`>
reveal_type(f.__get__) # revealed: <method-wrapper '__get__' of function 'f'>
static_assert(is_subtype_of(TypeOf[f.__get__], types.MethodWrapperType))
reveal_type(f.__get__(None, type(f))) # revealed: def f(x: object) -> str
reveal_type(f.__get__(None, type(f))(1)) # revealed: str
wrapper_descriptor = getattr_static(f, "__get__")
reveal_type(wrapper_descriptor) # revealed: <wrapper-descriptor `__get__` of `function` objects>
reveal_type(wrapper_descriptor) # revealed: <wrapper-descriptor '__get__' of 'function' objects>
reveal_type(wrapper_descriptor(f, None, type(f))) # revealed: def f(x: object) -> str
static_assert(is_subtype_of(TypeOf[wrapper_descriptor], types.WrapperDescriptorType))