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gh-145056: Add support for frozendict in dataclass asdict and astuple #145125

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Merged
JelleZijlstra merged 9 commits into from
Apr 23, 2026
+28 −11
Merged

gh-145056: Add support for frozendict in dataclass asdict and astuple #145125

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d2d5e95
Add support for frozendict in dataclass asdict and astuple
eendebakpt Feb 22, 2026
cc5d549
update documentation
eendebakpt Feb 22, 2026
335cac5
📜🤖 Added by blurb_it.
blurb-it[bot] Feb 22, 2026
f19c46d
fix news entry
eendebakpt Feb 22, 2026
d61d4f5
Merge branch 'main' into dataclasses_frozendict_tests
eendebakpt Feb 22, 2026
719c0f3
fix whatsnew entry
eendebakpt Feb 22, 2026
97cec2d
review comments
eendebakpt Feb 23, 2026
bc112a2
Merge branch 'main' into dataclasses_frozendict_tests
eendebakpt Feb 23, 2026
2fc6f65
Merge branch 'main' into dataclasses_frozendict_tests
eendebakpt Apr 18, 2026
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@eendebakpt
eendebakpt committed Feb 23, 2026
commit 97cec2d5592af1e0eaf8a070bc7749f701533879
6 changes: 4 additions & 2 deletions Lib/dataclasses.py
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Expand Up @@ -1490,7 +1490,8 @@ class C:
If given, 'dict_factory' will be used instead of built-in dict.
The function applies recursively to field values that are
dataclass instances. This will also look into built-in containers:
tuples, lists, and dicts. Other objects are copied with 'copy.deepcopy()'.
tuples, lists, dicts, and frozendicts. Other objects are copied
with 'copy.deepcopy()'.
"""
if not _is_dataclass_instance(obj):
raise TypeError("asdict() should be called on dataclass instances")
Expand Down Expand Up @@ -1581,7 +1582,8 @@ class C:
If given, 'tuple_factory' will be used instead of built-in tuple.
The function applies recursively to field values that are
dataclass instances. This will also look into built-in containers:
tuples, lists, and dicts. Other objects are copied with 'copy.deepcopy()'.
tuples, lists, dicts, and frozendicts. Other objects are copied
with 'copy.deepcopy()'.
"""

if not _is_dataclass_instance(obj):
Expand Down
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