python / python/cpython

Expose dict view types in ``types``

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stdlib type-feature
Dominant language
Python
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Description

Feature or enhancement

Proposal:

Expose the items, keys, and values types in the types module. See dictionary view objects. These correspond to the ItemsView, KeysView, and MappingView view types in collections.abc.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:
  • #30629
  • #30630
Linked PRs
  • gh-132761

Contributor guide

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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 locating the types module and comparing its exposed names with the ItemsView, KeysView, and MappingView types in collections.abc. Review linked PR gh-132761 before starting; done means the three dictionary view types are exposed from types and the relevant tests pass.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Feature
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
20/100

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