no error when getter and setter types don't match in `property.__init__`
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feature
topic-descriptors
- Dominant language
- Python
- Stars
- 20.6k
- Forks
- 3.3k
- PR merge metrics
- PR metrics pending
Description
class A:
def _get_foo(self) -> int:
...
def _set_foo(self, value: str) -> None:
...
foo = property(fget=_get_foo, fset=_set_foo)
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the provided Python reproduction and trace mypy's handling of property.init when checking the getter and setter annotations. Run mypy on the snippet to confirm the missing diagnostic; done means incompatible getter and setter types produce an error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100