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[ty] Ensure various special-cased bound methods are understood as assignable to Callable (#20330)

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Alex Waygood 2025-09-10 19:58:54 +01:00 • committed by GitHub
parent 2ac4147435
commit d23cae870e
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2 changed files with 105 additions and 117 deletions
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21
crates/ty_python_semantic/resources/mdtest/call/methods.md
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@ -621,9 +621,6 @@ static_assert(is_assignable_to(TypeOf[f], Callable))
# revealed: <method-wrapper `__get__` of `f`>
reveal_type(f.__get__)
# TODO: should pass
# error: [static-assert-error]
static_assert(is_assignable_to(TypeOf[f.__get__], Callable))
# revealed: def __call__(self, *args: Any, **kwargs: Any) -> Any
@ -632,9 +629,6 @@ static_assert(is_assignable_to(TypeOf[types.FunctionType.__call__], Callable))
# revealed: <method-wrapper `__call__` of `f`>
reveal_type(f.__call__)
# TODO: should pass
# error: [static-assert-error]
static_assert(is_assignable_to(TypeOf[f.__call__], Callable))
# revealed: <wrapper-descriptor `__get__` of `property` objects>
@ -651,9 +645,6 @@ static_assert(not is_assignable_to(TypeOf[MyClass.my_property], Callable))
# revealed: <method-wrapper `__get__` of `property` object>
reveal_type(MyClass.my_property.__get__)
# TODO: should pass
# error: [static-assert-error]
static_assert(is_assignable_to(TypeOf[MyClass.my_property.__get__], Callable))
# revealed: <wrapper-descriptor `__set__` of `property` objects>
@ -665,9 +656,6 @@ static_assert(is_assignable_to(TypeOf[property.__set__], Callable))
# revealed: <method-wrapper `__set__` of `property` object>
reveal_type(MyClass.my_property.__set__)
# TODO: should pass
# error: [static-assert-error]
static_assert(is_assignable_to(TypeOf[MyClass.my_property.__set__], Callable))
# revealed: def startswith(self, prefix: str | tuple[str, ...], start: SupportsIndex | None = ellipsis, end: SupportsIndex | None = ellipsis, /) -> bool
@ -676,9 +664,6 @@ static_assert(is_assignable_to(TypeOf[str.startswith], Callable))
# revealed: <method-wrapper `startswith` of `str` object>
reveal_type("foo".startswith)
# TODO: should pass
# error: [static-assert-error]
static_assert(is_assignable_to(TypeOf["foo".startswith], Callable))
def _(
@ -686,8 +671,7 @@ def _(
b: CallableTypeOf[f],
c: CallableTypeOf[f.__get__],
d: CallableTypeOf[types.FunctionType.__call__],
# TODO: false-positive diagnostic
e: CallableTypeOf[f.__call__], # error: [invalid-type-form]
e: CallableTypeOf[f.__call__],
f: CallableTypeOf[property],
g: CallableTypeOf[property.__get__],
h: CallableTypeOf[MyClass.my_property.__get__],
@ -709,8 +693,7 @@ def _(
# revealed: (self, *args: Any, **kwargs: Any) -> Any
reveal_type(d)
# TODO: this should be `(obj: type) -> None`
# revealed: Unknown
# revealed: (obj: type) -> None
reveal_type(e)
# revealed: (fget: ((Any, /) -> Any) | None = None, fset: ((Any, Any, /) -> None) | None = None, fdel: ((Any, /) -> Any) | None = None, doc: str | None = None) -> Unknown