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[ty] Include the specialization of a generic TypedDict as part of its display (#22174)

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## Summary

This is the easy bit of https://github.com/astral-sh/ty/issues/2190

## Test Plan

mdtests updated
This commit is contained in:
Alex Waygood
2025-12-24 14:39:46 +00:00
committed by GitHub
parent 81f34fbc8e
commit 3c5956e93d
4 changed files with 12 additions and 9 deletions
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2
crates/ty_python_semantic/resources/mdtest/generics/pep695/aliases.md
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@@ -144,7 +144,7 @@ class Dict[T](TypedDict):
type DictInt = Dict[int]
# error: [non-subscriptable] "Cannot subscript non-generic type alias: `Dict` is already specialized"
# error: [non-subscriptable] "Cannot subscript non-generic type alias: `Dict[int]` is already specialized"
def _(x: DictInt[int]):
reveal_type(x) # revealed: Unknown

4
crates/ty_python_semantic/resources/mdtest/typed_dict.md
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@@ -1446,7 +1446,7 @@ class TaggedData(TypedDict, Generic[T]):
p1: TaggedData[int] = {"data": 42, "tag": "number"}
p2: TaggedData[str] = {"data": "Hello", "tag": "text"}
# error: [invalid-argument-type] "Invalid argument to key "data" with declared type `int` on TypedDict `TaggedData`: value of type `Literal["not a number"]`"
# error: [invalid-argument-type] "Invalid argument to key "data" with declared type `int` on TypedDict `TaggedData[int]`: value of type `Literal["not a number"]`"
p3: TaggedData[int] = {"data": "not a number", "tag": "number"}
class Items(TypedDict, Generic[T]):
@@ -1488,7 +1488,7 @@ class TaggedData[T](TypedDict):
p1: TaggedData[int] = {"data": 42, "tag": "number"}
p2: TaggedData[str] = {"data": "Hello", "tag": "text"}
# error: [invalid-argument-type] "Invalid argument to key "data" with declared type `int` on TypedDict `TaggedData`: value of type `Literal["not a number"]`"
# error: [invalid-argument-type] "Invalid argument to key "data" with declared type `int` on TypedDict `TaggedData[int]`: value of type `Literal["not a number"]`"
p3: TaggedData[int] = {"data": "not a number", "tag": "number"}
class Items[T](TypedDict):