Bump cython from 3.1.6 to 3.2.0

[dependabot]

Bumps cython from 3.1.6 to 3.2.0.

Release notes

Sourced from cython's releases.

3.2.0

No release notes provided.

3.2.0b3

No release notes provided.

3.2.0b2

No release notes provided.

3.2.0b1-3

No release notes provided.

3.2.0b1

Not released due to package metadata problems.

Changelog

Sourced from cython's changelog.

3.2.0 (2025-11-05)

(Complete changelog for the 3.2.0 release, including pre-releases.)

Features added

• Builtin exception types are now inferred. (Github issue :issue:6908)

• The list of known, inferred and optimised Python builtins was updated. range is now considered a type. ascii, bin, format, hex, oct were added as functions. (Github issue :issue:6931)

• The f-string syntax was extended according to PEP-701. (Github issue :issue:5452)

• t-strings are implemented according to PEP-750. The implementation backports the template classes but prefers existing backports if installed separately. (Github issue :issue:6811)

• Unknown return type annotations with -> are no longer rejected but produce warnings. This allows better integration with Python type hints that are not always usable for Cython. -> None is also allowed now. Patch by jpe. (Github issue :issue:6946)

• The runtime Python dispatch for fused functions is substantially faster. (Github issues :issue:1385, :issue:6996)

• Freelists (via cdef class decorator and for internally used types such as async) are now also used in the Limited API and with extension type specs enabled. (Github issue :issue:7151)

• Module imports now quickly check for an already imported module to speed up reimports. Patch by Lysandros Nikolaou. (Github issue :issue:7035)

• Type checks on PEP-604 union types (int | None) are optimised into separate checks. (Github issue :issue:6935)

• Assignments to the PEP-604 union type float | None allow any suitable Python number as input and convert it to a Python float automatically. (Github issue :issue:5750)

• Item type inference was improved for looping over literals. (Github issue :issue:6912)

• Looping over literal sequences and strings now uses efficient C array looping if possible. (Github issue :issue:6926)

... (truncated)

Commits

• e6533f8 Prepare release of 3.2.0.
• 3748286 Update changelog.
• 404f226 Docs: Add a note that the Limited API is currently only supported in CPython.
• f216cfb Fix path building in cygdb script for Windows usage (GH-7285)
• ae78273 Add PyPy 3.11 to test matrix (#7284)
• b3528ac Bump the github-actions group with 2 updates (#7278)
• 1e21023 Expand isolated limited API tests to cover more versions (#7280)
• e2ef20c Move memoryview acquisition counting out of generic atomics code (GH-7277)
• 15f5864 Docs: Fix C++ wrapping example in user guide (GH-7195)
• 730a05b Prepare release of 3.2.0b3.
• Additional commits viewable in compare view

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[codspeed-hq]

CodSpeed Performance Report

Merging #11748 will not alter performance

_{Comparing dependabot/pip/3.14/cython-3.2.0 (2a93dfa) with 3.14 (881530d)¹}

Summary

✅ 59 untouched

Footnotes

1. No successful run was found on 3.14 (88a57ae) during the generation of this report, so 881530d was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩