python / python/mypy

dmypy does not work right with disable_error_code/enable_error_code

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bug topic-configuration topic-daemon
Dominant language
Python
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Description

Bug Report

dmypy doesn't support disable_error_code and enable_error_code key in pyproject.toml/mypy.ini?

in pyproject.toml:

# pyproject.toml
[tool.mypy]
disable_error_code = ['var-annotated']

run: dmypy run a.py
output: Timed out waiting for daemon to start

But when disable_error_code = [] or doesn't has disable_error_code, dmypy work right.

Your Environment

  • Mypy version used: 0.981, 0.991
  • Mypy command-line flags: dmypy run a/a.py
  • Mypy configuration options from pyproject.toml: disable_error_code = ['var-annotated']
  • Python version used: 3.11

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

Start by reproducing dmypy run a.py with disable_error_code = ['var-annotated'] in pyproject.toml, then compare it with an empty or absent setting. Trace the dmypy daemon startup and configuration handling; done means both disable_error_code and enable_error_code configurations work without the startup timeout and have regression coverage.

Written by the indexing model from the issue text.

Assessment

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

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