no error when getter, setter or deleter doesn't exist on properties defined without decorator
Open
Nobody has claimed this yet.
feature
topic-descriptors
- Dominant language
- Python
- Stars
- 20.6k
- Forks
- 3.3k
- PR merge metrics
- PR metrics pending
Description
class A:
foo = property()
a = A()
a.foo = 1 # no error
print(a.foo) # no error
del a.foo # no error
related: #12904
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 linked mypy playground reproduction and compare it with related issue #12904. Trace how mypy interprets a property created without a getter, setter, or deleter, then verify that reads, assignments, and deletions produce the appropriate diagnostics.
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
- 48/100