python / python/mypy

Support TypedDict update() with keyword arguments

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#6,019 2 comments 2 reactions 0 assignees View on GitHub

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feature topic-typed-dict
Dominant language
Python
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Forks
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PR merge metrics
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Description

Things like d.update(x=1, y=2) should be accepted if d is a TypedDict and the keys and values are compatible.

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

No files, tests, or entry points are named. Start by searching the type-checker code and existing TypedDict tests for update() handling; done means keyword-argument calls accept compatible keys and values and reject incompatible ones.

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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