Type `mypy/config_parser.py` without `Any`
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Description
We could try to get all the Anys out of mypy/config_parser.py, which would prevent other configuration-file type-error crashes. (We will presumably still error, but could emit a friendlier message, as in https://github.com/python/mypy/pull/19494 and its GitHub issue.) You know... static typing :)
Semi-related: https://github.com/hukkin/tomli/issues/261
Originally posted by @wyattscarpenter in https://github.com/python/mypy/pull/19494#discussion_r2249050998
This might be very easy if the ini parser knows/declares what types it gives us (primarily strings?)... could be prohibitively difficult otherwise, or perhaps best addressed in typeshed stubs. I haven't looked into it much yet; I imagine it will be easiest to investigate with an IDE that does type inference and display, and I'm on a bus right now (the opposite situation).
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
Read mypy/config_parser.py and the behavior discussed in pull request #19494. Investigate which types the INI parser provides, including whether typeshed stubs are relevant. Done means removing the applicable Any types while preserving configuration-error handling and preventing type-error crashes.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- devtools
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100