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Implement support for closed TypedDicts (PEP 728) - #21382

Merged

ilevkivskyi merged 43 commits into

python:masterfrom

alicederyn:closed.keyword

Jun 2, 2026

Merged

Implement support for closed TypedDicts (PEP 728)#21382
ilevkivskyi merged 43 commits into
python:masterfrom
alicederyn:closed.keyword

Commits on May 3, 2026
- Support nested special forms in functional syntax
  alicederyn
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  fa59235
- Subtypes fix: required keys must remain required
  alicederyn
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  c06fef7
- Meet fix: mutable keys must remain mutable
  alicederyn
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  4a82d3c
- Improve TypedDict meet
  alicederyn
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  ca099f4
- Join fix: readonly keys must remain readonly
  alicederyn
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  f79ba70
- Improve TypedDict join
  alicederyn
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  2ed7992
- Expand TypedDict subclassing tests
  alicederyn
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  ab1a151
- Support type refinement in TypedDict subclasses
  alicederyn
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  e626c19
- Fix TypeAnalyser to retain readonly keys
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  d8c619d
- Narrow on explicitly uninhabited keys
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  e7372e4
- Support parsing TypedDict closed keyword
  alicederyn
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  c7115c1
- Implement closed support in TypedDict subtyping
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  bce4b17
- Implement closed support in subclassing
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  90cb21f
- Implement closed support in join logic
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  4106525
- Implement closed support in meet logic
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  6cc0d63
- Implement closed support in narrowing
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  5bfcc43
- Implement TypeVar support in narrowing
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  d7449df
- Implement closed support in astdiff
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  2621704
- Implement closed support in stubgen
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  34a13de
- Implement closed support in serialization
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  87ede99
- Implement closed support in TypeAnalyser
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  bbdd827
- Implement closed support in unpacking
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  c1ff8b3
- Implement closed support in expandtype
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  ca5a13f
- Implement closed support in get method
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  4d3a7b0
Commits on May 19, 2026
- Merge branch 'master' into closed.keyword
  alicederyn
  authored
  877e000
Commits on May 20, 2026
- Fix bug with join and Any
  alicederyn
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  6f3291b
- Fix bug with meet and Any
  alicederyn
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  776eb10
- Refactor common logic into zipall
  alicederyn
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  05d3a4b
- Fix assumption that missing items are ReadOnly
  alicederyn
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  022a501
- Allow adding Never items to closed subtypes
  alicederyn
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  bd05e88
- Reword not-required compatibility error messages
  alicederyn
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  d102505
- Test case from no error to error
  alicederyn
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  9279a01
- Delay subtype validation to TypeChecker
  alicederyn
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  2d1333c
- Add closed keyword to TypedDict docs
  alicederyn
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  4ee7856
Commits on May 26, 2026
- Store validation information in TypeInfo
  alicederyn
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  8bcc243
- Link TypedDict branch narrowing to test cases
  alicederyn
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  77e8a59
- Remove references to 'MRO'
  alicederyn
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  4261abb
- Extend subclass tests with subtype checks
  alicederyn
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  8d92a10
- Merge branch 'master' into closed.keyword
  alicederyn
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  37481a2
Commits on Jun 1, 2026
- Manually wrap strings/comments
  alicederyn
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  42ec16f
- Remove unnecessary extra newline
  alicederyn
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  5cbb687
- Document new TypedDict inheritance rules
  alicederyn
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  31b5045
Commits on Jun 2, 2026
- Merge branch 'master' into closed.keyword
  alicederyn
  authored
  fbd2818

Commits

Commits on May 3, 2026

Commits on May 19, 2026

Commits on May 20, 2026

Commits on May 26, 2026

Commits on Jun 1, 2026

Commits on Jun 2, 2026