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[ty] Understand homogeneous tuple annotations (#17998)

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Alex Waygood 2025-05-12 22:02:25 -04:00 • committed by GitHub
parent f301931159
commit 55df9271ba
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17 changed files with 196 additions and 104 deletions
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13
crates/ty_python_semantic/resources/mdtest/exception/basic.md
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@ -45,6 +45,8 @@ def foo(
x: type[AttributeError],
y: tuple[type[OSError], type[RuntimeError]],
z: tuple[type[BaseException], ...],
zz: tuple[type[TypeError | RuntimeError], ...],
zzz: type[BaseException] | tuple[type[BaseException], ...],
):
try:
help()
@ -53,8 +55,11 @@ def foo(
except y as f:
reveal_type(f) # revealed: OSError | RuntimeError
except z as g:
# TODO: should be `BaseException`
reveal_type(g) # revealed: @Todo(full tuple[...] support)
reveal_type(g) # revealed: BaseException
except zz as h:
reveal_type(h) # revealed: TypeError | RuntimeError
except zzz as i:
reveal_type(i) # revealed: BaseException
```
## Invalid exception handlers
@ -86,9 +91,9 @@ def foo(
# error: [invalid-exception-caught]
except y as f:
reveal_type(f) # revealed: OSError | RuntimeError | Unknown
# error: [invalid-exception-caught]
except z as g:
# TODO: should emit a diagnostic here:
reveal_type(g) # revealed: @Todo(full tuple[...] support)
reveal_type(g) # revealed: Unknown
```
## Object raised is not an exception