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[ty] Detect illegal non-enum attribute accesses in Literal annotation

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David Peter 2025-07-22 09:18:50 +02:00
parent 897889d1ce
commit cbc8c08016
3 changed files with 28 additions and 8 deletions
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7
crates/ty_python_semantic/resources/mdtest/annotations/literal.md
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@ -51,6 +51,13 @@ invalid4: Literal[
hello, # error: [invalid-type-form]
(1, 2, 3), # error: [invalid-type-form]
]
class NotAnEnum:
x: int = 1
# error: [invalid-type-form]
def _(invalid: Literal[NotAnEnum.x]) -> None:
reveal_type(invalid) # revealed: Unknown
```
## Shortening unions of literals