chore(deps): update dependency multidict to v6.6.3 #28
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This PR contains the following updates:
==6.1.0->==6.6.3Release Notes
aio-libs/multidict (multidict)
v6.6.3Compare Source
=====
(2025-06-30)
Bug fixes
Fixed inconsistencies generated by the C implementation of
_md_shrink()which might later lead to assertion failures and crash -- by :user:Romain-Geissler-1A.Related issues and pull requests on GitHub:
:issue:
1229.v6.6.2Compare Source
=====
(2025-06-28)
Bug fixes
Fixed a memory corruption issue in the C implementation of
_md_shrink()that could lead to segmentation faults and data loss when items were deleted from a :class:~multidict.MultiDict. The issue was an edge case in the pointer arithmetic during the compaction phase -- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1221, :issue:1222.Fixed format string compilation errors in debug builds on 32-bit platforms by using portable
%zdformat specifiers forPy_ssize_tvalues instead of%ld-- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1225, :issue:1226.Packaging updates and notes for downstreams
Re-enabled 32-bit Linux wheel builds that were disabled by default in cibuildwheel 3.0.0 -- by :user:
bdraco.Related issues and pull requests on GitHub:
:issue:
1225, :issue:1227.v6.6.1Compare Source
=====
(2025-06-28)
Bug fixes
If :meth:
multidict.MultiDict.extend, :meth:multidict.MultiDict.merge, or :meth:multidict.MultiDict.updateraises an exception, now the multidict internal state is correctly restored.Patch by :user:
asvetlov.Related issues and pull requests on GitHub:
:issue:
1215.Contributor-facing changes
Fixed
setuptoolsdeprecation warning about the license specification -- by :user:asvetlov.Related issues and pull requests on GitHub:
:issue:
1216.Fix compiler warnings and convert them to errors -- by :user:
asvetlov.Related issues and pull requests on GitHub:
:issue:
1217.v6.6.0Compare Source
=====
(2025-06-27)
Features
Added :meth:
multidict.MultiDict.mergewhich copies all items from arguments if its keynot exist in the dictionary -- by :user:
asvetlov.Related issues and pull requests on GitHub:
:issue:
292.Stopped reallocating memory for the internal
htkeys_tstructure when inserting new items if themultidict has deleted items and it could be collapsed in-place. Removal of
malloc()/free()improves the performance slightly.The change affects C implementation only, pure Python code is not changed.
Patch by :user:
asvetlov.Related issues and pull requests on GitHub:
:issue:
1200.C implementation of :class:
multidict.MultiDict.getallnow is slightly faster if it returns nothing -- by :user:asvetlov.Related issues and pull requests on GitHub:
:issue:
1212.Improved documentation
Replaced docstring for :meth:
multidict.MultiDict.updateto don't use RST/markdown markup.Related issues and pull requests on GitHub:
:issue:
1203.Improved documentation for :meth:
multidict.MultiDict.extendand :meth:multidict.MultiDict.update-- by :user:asvetlov.Related issues and pull requests on GitHub:
:issue:
1205.Contributor-facing changes
When building wheels, the source distribution is now passed directly
to the
cibuildwheelinvocation -- by :user:webknjaz.Related issues and pull requests on GitHub:
:issue:
1199.Set up
PYTHONHASHSEEDfor benchmarks execution to make measured times stable -- by :user:asvetlov.Related issues and pull requests on GitHub:
:issue:
1202.v6.5.1Compare Source
=====
(2025-06-24)
Bug fixes
Fixed a bug in C implementation when multidict is resized and it has deleted slots.
The bug was introduced by multidict 6.5.0 release.
Patch by :user:
asvetlov.Related issues and pull requests on GitHub:
:issue:
1195.Contributor-facing changes
A pair of code formatters for Python and C have been configured in the pre-commit tool.
Related issues and pull requests on GitHub:
:issue:
1123.Shorted fixture parametrization ids.
For example,
test_keys_view_xor[case-insensitive-pure-python-module]becomestest_keys_view_xor[ci-py]-- by :user:asvetlov.Related issues and pull requests on GitHub:
:issue:
1192.The :file:
reusable-cibuildwheel.ymlworkflow has been refactored tobe more generic and :file:
ci-cd.ymlnow holds all the configurationtoggles -- by :user:
webknjaz.Related issues and pull requests on GitHub:
:issue:
1193.v6.5.0Compare Source
=====
(2025-06-17)
.. note::
The release was yanked because of :issue:
1195, multidict 6.5.1 should be usedinstead.
Features
Replace internal implementation from an array of items to hash table.
algorithmic complexity for lookups is switched from O(N) to O(1).
The hash table is very similar to :class:
dictfrom CPython but it allows keys duplication.The benchmark shows 25-50% boost for single lookups, x2-x3 for bulk updates, and x20 for
some multidict view operations. The gain is not for free:
:class:
~multidict.MultiDict.addand :class:~multidict.MultiDict.extendare 25-50%slower now. We consider it as acceptable because the lookup is much more common
operation that addition for the library domain.
Related issues and pull requests on GitHub:
:issue:
1128.Contributor-facing changes
Builds have been added for arm64 Windows
wheels and the
reusable-build-wheel.ymltemplate has been modified to allow for
an os value (
windows-11-arm) whichdoes not end with the
-latestpostfix.Related issues and pull requests on GitHub:
:issue:
1167.v6.4.4Compare Source
=====
(2025-05-19)
Bug fixes
Fixed a segmentation fault when calling :py:meth:
multidict.MultiDict.setdefaultwith a single argument -- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1160.Fixed a segmentation fault when attempting to directly instantiate view objects
(
multidict._ItemsView,multidict._KeysView,multidict._ValuesView) -- by :user:bdraco.View objects now raise a proper :exc:
TypeErrorwith the message "cannot create '...' instances directly"when direct instantiation is attempted.
View objects should only be created through the proper methods: :py:meth:
multidict.MultiDict.items,:py:meth:
multidict.MultiDict.keys, and :py:meth:multidict.MultiDict.values.Related issues and pull requests on GitHub:
:issue:
1164.Miscellaneous internal changes
:class:
multidict.MultiDictProxywas refactored to rely only on:class:
multidict.MultiDictpublic interface and don't touch any implementationdetails.
Related issues and pull requests on GitHub:
:issue:
1150.Multidict views were refactored to rely only on
:class:
multidict.MultiDictAPI and don't touch any implementationdetails.
Related issues and pull requests on GitHub:
:issue:
1152.Dropped internal
_Implclass from pure Python implementation, both pure Python and CExtension follows the same design internally now.
Related issues and pull requests on GitHub:
:issue:
1153.v6.4.3Compare Source
=====
(2025-04-10)
Bug fixes
Fixed building the library in debug mode.
Related issues and pull requests on GitHub:
:issue:
1144.Fixed custom
PyType_GetModuleByDef()when non-heap type object was passed.Related issues and pull requests on GitHub:
:issue:
1147.Packaging updates and notes for downstreams
Added the ability to build in debug mode by setting :envvar:
MULTIDICT_DEBUG_BUILDin the environment -- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1145.v6.4.2Compare Source
=====
(2025-04-09)
Bug fixes
Fixed a segmentation fault when creating subclassed :py:class:
~multidict.MultiDictobjects on Python < 3.11 -- by :user:bdraco.The problem first appeared in 6.4.0
Related issues and pull requests on GitHub:
:issue:
1141.v6.4.1Compare Source
=====
(2025-04-09)
No significant changes.
v6.4.0Compare Source
=====
(2025-04-09)
Bug fixes
Fixed a memory leak creating new :class:
~multidict.istrobjects -- by :user:bdraco.The leak was introduced in 6.3.0
Related issues and pull requests on GitHub:
:issue:
1133.Fixed reference counting when calling :py:meth:
multidict.MultiDict.update-- by :user:bdraco.The leak was introduced in 4.4.0
Related issues and pull requests on GitHub:
:issue:
1135.Features
Switched C Extension to use heap types and the module state.
Related issues and pull requests on GitHub:
:issue:
1125.Started building armv7l wheels -- by :user:
bdraco.Related issues and pull requests on GitHub:
:issue:
1127.v6.3.2Compare Source
=====
(2025-04-03)
Bug fixes
Resolved a memory leak by ensuring proper reference count decrementation -- by :user:
asvetlovand :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1121.v6.3.1Compare Source
=====
(2025-04-01)
Bug fixes
Fixed keys not becoming case-insensitive when :class:
multidict.CIMultiDictis created by passing in a :class:multidict.MultiDict-- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1112.Fixed the pure Python version mutating the original :class:
multidict.MultiDictwhen creating a new :class:multidict.CIMultiDictfrom an existing one when keyword arguments are also passed -- by :user:bdraco.Related issues and pull requests on GitHub:
:issue:
1113.Prevented crashing with a segfault when :func:
repris called for recursive multidicts and their proxies and views.Related issues and pull requests on GitHub:
:issue:
1115.v6.3.0Compare Source
=====
(2025-03-31)
Bug fixes
Set operations for
KeysViewandItemsViewof case-insensitive multidicts and their proxies are processed in case-insensitive manner.Related issues and pull requests on GitHub:
:issue:
965.Rewrote :class:
multidict.CIMultiDictand it proxy to always return:class:
multidict.istrkeys.istris derived from :class:str,thus the change is backward compatible.
The performance boost is about 15% for some operations for C Extension,
pure Python implementation have got a visible (15% - 230%) speedup as well.
Related issues and pull requests on GitHub:
:issue:
1097.Fixed a crash when extending a multidict from multidict proxy if C Extensions were used.
Related issues and pull requests on GitHub:
:issue:
1100.Features
Implemented a custom parser for
METH_FASTCALL | METH_KEYWORDSprotocol-- by :user:
asvetlov.The patch re-enables fast call protocol in the :py:mod:
multidictC Extension.Speedup is about 25%-30% for the library benchmarks for Python 3.12+.
Related issues and pull requests on GitHub:
:issue:
1070.The C-extension no longer pre-allocates a Python exception object in
lookup-related methods of :py:class:
~multidict.MultiDictwhen thepassed-in key is not found but default value is provided.
Namely, this affects :py:meth:
MultiDict.getone() <multidict.MultiDict.getone>, :py:meth:MultiDict.getall() <multidict.MultiDict.getall>, :py:meth:MultiDict.get() <multidict.MultiDict.get>, :py:meth:MultiDict.pop() <multidict.MultiDict.pop>, :py:meth:MultiDict.popone() <multidict.MultiDict.popone>, and :py:meth:MultiDict.popall() <multidict.MultiDict.popall>.Additionally, the :py:class:
~multidict.MultiDictcomparison withregular :py:class:
dict\ ionaries is now about 60% fasteron Python 3.13+ in the fallback-to-default case.
Related issues and pull requests on GitHub:
:issue:
1078.Implemented
__repr__()for C Extension classes in C.The speedup is about 2.5 times.
Related issues and pull requests on GitHub:
:issue:
1081.Made C version of :class:
multidict.istrpickleable.Related issues and pull requests on GitHub:
:issue:
1098.Optimized multidict creation and extending / updating if C Extensions are used.
The speedup is between 25% and 70% depending on the usage scenario.
Related issues and pull requests on GitHub:
:issue:
1101.:meth:
multidict.MultiDict.popitemis changed to removethe latest entry instead of the first.
It gives O(1) amortized complexity.
The standard :meth:
dict.popitemremoves the last entry also.Related issues and pull requests on GitHub:
:issue:
1105.Contributor-facing changes
Started running benchmarks for the pure Python implementation in addition to the C implementation -- by :user:
bdraco.Related issues and pull requests on GitHub:
:issue:
1092.The the project-wide Codecov_ metric is no longer reported
via GitHub Checks API. The combined value is not very useful
because one of the sources (MyPy) cannot reach 100% with the
current state of the ecosystem. We may want to reconsider in
the future. Instead, we now have two separate
“runtime coverage” metrics for library code and tests.
They are to be kept at 100% at all times.
And the “type coverage” metric will remain advisory, at a
lower threshold.
The default patch metric check is renamed to “runtime”
to better reflect its semantics. This one will also require
100% coverage.
Another “typing” patch coverage metric is now reported
alongside it. It's considered advisory, just like its
project counterpart.
When looking at Codecov_, one will likely want to look at
MyPy and pytest flags separately. It is usually best to
avoid looking at the PR pages that sometimes display
combined coverage incorrectly.
The change additionally disables the deprecated GitHub
Annotations integration in Codecov_.
Finally, the badge coloring range now starts at 100%.
.. image:: https://codecov.io/gh/aio-libs/multidict/branch/master/graph/badge.svg?flag=pytest
:target: https://codecov.io/gh/aio-libs/multidict?flags[]=pytest
:alt: Coverage metrics
-- by :user:
webknjazRelated issues and pull requests on GitHub:
:issue:
1093.Miscellaneous internal changes
Synchronized :file:
pythoncapi_compat.hwith the latest available version.Related issues and pull requests on GitHub:
:issue:
1063.Moved registering ABCs for C Extension classes from C to Python.
Related issues and pull requests on GitHub:
:issue:
1083.Refactored the internal
pair_listimplementation.Related issues and pull requests on GitHub:
:issue:
1084.Implemented views comparison and disjoints in C instead of Python helpers.
The performance boost is about 40%.
Related issues and pull requests on GitHub:
:issue:
1096.v6.2.0Compare Source
======
(2025-03-17)
Bug fixes
Fixed
inchecks throwing an exception instead of returning :data:Falsewhen testing non-strings.Related issues and pull requests on GitHub:
:issue:
1045.Fixed a leak when the last accessed module in
PyInit__multidict()init is not released.Related issues and pull requests on GitHub:
:issue:
1061.Features
Implemented support for the free-threaded build of CPython 3.13 -- by :user:
lysnikolaou.Related issues and pull requests on GitHub:
:issue:
1015.Packaging updates and notes for downstreams
Started publishing wheels made for the free-threaded build of CPython 3.13 -- by :user:
lysnikolaou.Related issues and pull requests on GitHub:
:issue:
1015.Miscellaneous internal changes
Used stricter typing across the code base, resulting in improved typing accuracy across multidict classes.
Funded by an
NLnetgrant.Related issues and pull requests on GitHub:
:issue:
1046.Configuration
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This PR has been generated by Renovate Bot.
8d5768bf73toe3a0c23191chore(deps): update dependency multidict to v6.2.0to chore(deps): update dependency multidict to v6.3.0e3a0c23191to3ed8853bccchore(deps): update dependency multidict to v6.3.0to chore(deps): update dependency multidict to v6.3.13ed8853bcctob5e7a99d06chore(deps): update dependency multidict to v6.3.1to chore(deps): update dependency multidict to v6.2.0b5e7a99d06tod5ee05c8f8chore(deps): update dependency multidict to v6.2.0to chore(deps): update dependency multidict to v6.3.2d5ee05c8f8tob63746bafachore(deps): update dependency multidict to v6.3.2to chore(deps): update dependency multidict to v6.2.0b63746bafato13cdeacb4achore(deps): update dependency multidict to v6.2.0to chore(deps): update dependency multidict to v6.4.013cdeacb4atoef63966fd2chore(deps): update dependency multidict to v6.4.0to chore(deps): update dependency multidict to v6.4.1ef63966fd2toc76fb874d4chore(deps): update dependency multidict to v6.4.1to chore(deps): update dependency multidict to v6.2.0c76fb874d4tof19184146cchore(deps): update dependency multidict to v6.2.0to chore(deps): update dependency multidict to v6.4.2f19184146ctocd8004a324chore(deps): update dependency multidict to v6.4.2to chore(deps): update dependency multidict to v6.4.3cd8004a324to0340289b91chore(deps): update dependency multidict to v6.4.3to chore(deps): update dependency multidict to v6.4.4chore(deps): update dependency multidict to v6.4.4to chore(deps): update dependency multidict to v6.5.00340289b91tocb43379294chore(deps): update dependency multidict to v6.5.0to chore(deps): update dependency multidict to v6.4.4cb43379294toe26b79066be26b79066btob2ad434d8dchore(deps): update dependency multidict to v6.4.4to chore(deps): update dependency multidict to v6.5.1b2ad434d8dto0e4cb482d0chore(deps): update dependency multidict to v6.5.1to chore(deps): update dependency multidict to v6.6.00e4cb482d0tofcf1263068chore(deps): update dependency multidict to v6.6.0to chore(deps): update dependency multidict to v6.6.1fcf1263068to638b3ac7a9chore(deps): update dependency multidict to v6.6.1to chore(deps): update dependency multidict to v6.5.1638b3ac7a9to3d7109fb10chore(deps): update dependency multidict to v6.5.1to chore(deps): update dependency multidict to v6.6.2chore(deps): update dependency multidict to v6.6.2to chore(deps): update dependency multidict to v6.6.33d7109fb10to18781a8e04View command line instructions
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