python / python/mypy

Support "x = property(...)" in class body

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#8,083 3 comments 6 reactions 0 assignees View on GitHub

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false-positive feature priority-1-normal topic-descriptors
Dominant language
Python
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Description

Currently it's not possible to define a property using x = property(...) in the class body.

(Originally from #220.)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points. Start by locating mypy's handling of property(...) assignments in class bodies and add a focused regression test for x = property(...); done means this syntax is accepted and checked consistently with equivalent property definitions.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
devtools
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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