Bump multidict from 6.7.1 to 6.8.0

[dependabot]

Bumps multidict from 6.7.1 to 6.8.0.

Release notes

Sourced from multidict's releases.

6.8.0

Bug fixes

• A segmentation fault that could be triggered when getting an item is now fixed -- by :user:Vizonex.

  Related issues and pull requests on GitHub: #1310.

• Fixed reference leak in iterators, views and istr -- by :user:Vizonex.

  Related issues and pull requests on GitHub: #1311.

• Fixed the pure-Python :class:~multidict.MultiDict constructor and :py:meth:~multidict.MultiDict.extend, :py:meth:~multidict.MultiDict.update, and :py:meth:~multidict.MultiDict.merge methods over-allocating their internal hash table when called with both a positional argument and keyword arguments, because keyword arguments were counted twice in the size estimate -- by :user:aiolibsbot.

  Related issues and pull requests on GitHub: #1338.

• Fixed __repr__ of :class:~multidict.MultiDict, :class:~multidict.CIMultiDict, their proxies, and the keys/items views producing invalid output when keys contained quote characters -- keys are now formatted with :func:repr so the result is a valid Python string literal -- by :user:aiolibsbot.

  Related issues and pull requests on GitHub: #1342.

• Fixed a segfault when calling :py:meth:~multidict.MultiDict.add with only one of its two required arguments supplied by keyword, e.g. d.add(key="k"). Extra keyword arguments passed to the lookup and removal methods are also now rejected with :exc:TypeError instead of being silently ignored.

  -- by :user:devdanzin

  Related issues and pull requests on GitHub: #1376.

• Fixed a segfault when constructing a multidict iterator type directly, e.g. type(iter(md.keys())).__new__(...). Such an iterator had a NULL internal pointer that next() dereferenced. The iterator types now forbid direct instantiation, the same way the view types were fixed in #1163.

  -- by :user:devdanzin

  Related issues and pull requests on GitHub: #1377.

... (truncated)

Changelog

Sourced from multidict's changelog.

6.8.0

(2026-09-09)

Bug fixes

• A segmentation fault that could be triggered when getting an item is now fixed -- by :user:Vizonex.

  Related issues and pull requests on GitHub: :issue:1310.

• Fixed reference leak in iterators, views and istr -- by :user:Vizonex.

  Related issues and pull requests on GitHub: :issue:1311.

• Fixed the pure-Python :class:~multidict.MultiDict constructor and :py:meth:~multidict.MultiDict.extend, :py:meth:~multidict.MultiDict.update, and :py:meth:~multidict.MultiDict.merge methods over-allocating their internal hash table when called with both a positional argument and keyword arguments, because keyword arguments were counted twice in the size estimate -- by :user:aiolibsbot.

  Related issues and pull requests on GitHub: :issue:1338.

• Fixed __repr__ of :class:~multidict.MultiDict, :class:~multidict.CIMultiDict, their proxies, and the keys/items views producing invalid output when keys contained quote characters -- keys are now formatted with :func:repr so the result is a valid Python string literal -- by :user:aiolibsbot.

  Related issues and pull requests on GitHub: :issue:1342.

• Fixed a segfault when calling :py:meth:~multidict.MultiDict.add with only one of its two required arguments supplied by keyword, e.g. d.add(key="k"). Extra keyword arguments passed to the lookup and removal methods are also now rejected with :exc:TypeError instead of being silently ignored.

  -- by :user:devdanzin

  Related issues and pull requests on GitHub: :issue:1376.

• Fixed a segfault when constructing a multidict iterator type directly, e.g. type(iter(md.keys())).__new__(...). Such an iterator had a NULL internal pointer that next() dereferenced. The iterator types now forbid direct instantiation, the same way the view types were fixed in :issue:1163.

... (truncated)

Commits

• a8d89e4 Use plain build frontend for iOS wheels in cibuildwheel (#1429)
• afa2e97 Release 6.8.0 (#1428)
• 265d3e5 Mark temporarily-removed entries via the hash's high bit, not -1 (#1426)
• 64a7046 Bump pypa/cibuildwheel from 4.2.0 to 4.2.1 (#1427)
• 5ef9f06 Remove useless pp* skip selector in cibuildwheel configs
• 884e0db Document design principle for pure-Python istr (#1425)
• ec2ec22 Fix changelog entries to use past tense (#1424)
• f3cebdc Drop dead code, _md_del_at and _md_del_at_for_update never fails (#1423)
• cd511da Fix missing decref for None on error in setdefault (#1421)
• d74a504 Add reversed() support to MultiDict views (C-ext + pure-Python) (#1340)
• Additional commits viewable in compare view

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[redreceipt]

SAFE minor: multidict 6.7.1→6.8.0 (requirements.txt lock only). Approving; squash auto-merge when required CI is green.