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gh-103000: Optimise dataclasses asdict/astuple for common types #103005

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Merged
merged 15 commits into from
Apr 10, 2023
Merged

gh-103000: Optimise dataclasses asdict/astuple for common types #103005

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0af5e1d
Special case 'atomic' types that are not deepcopied
DavidCEllis Mar 20, 2023
2c76ef8
Special case dict_factory=dict
DavidCEllis Mar 20, 2023
c58017c
Add comment explaining _ATOMIC_TYPES
DavidCEllis Mar 20, 2023
8fdbdb2
Merge branch 'python:main' into faster_dataclasses_serialize
DavidCEllis Mar 21, 2023
4730a13
Merge branch 'python:main' into faster_dataclasses_serialize
DavidCEllis Mar 24, 2023
3a650a1
Reorder atomic types and clarify intention
DavidCEllis Mar 24, 2023
b6d8a6f
Update Lib/dataclasses.py
DavidCEllis Mar 24, 2023
bf320be
Update Lib/dataclasses.py
DavidCEllis Mar 24, 2023
6280f2e
Convert _ATOMIC_TYPES to frozenset
DavidCEllis Mar 24, 2023
7343fe6
Correction - complex and bytes are not JSON serializable (by default …
DavidCEllis Mar 24, 2023
b77c17e
Remove dict special case for now
DavidCEllis Mar 24, 2023
0209f3c
Revert function call skip for _asdict_inner
DavidCEllis Mar 24, 2023
986371c
Revert function call skip for _astuple_inner
DavidCEllis Mar 24, 2023
801af82
📜🤖 Added by blurb_it.
blurb-it[bot] Mar 24, 2023
903b2fb
Update Misc/NEWS.d/next/Library/2023-03-24-20-49-48.gh-issue-103000.6…
AlexWaygood Apr 10, 2023
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Add comment explaining _ATOMIC_TYPES
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@DavidCEllis
DavidCEllis committed Mar 20, 2023
commit c58017c5192e4df576de0613aecce4f1cfbb4956
2 changes: 2 additions & 0 deletions 2 Lib/dataclasses.py
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Expand Up @@ -222,6 +222,8 @@ def __repr__(self):
# https://bugs.python.org/issue33453 for details.
_MODULE_IDENTIFIER_RE = re.compile(r'^(?:\s*(\w+)\s*\.)?\s*(\w+)')

# Types for which deepcopy(obj) returns obj unmodified
# Used to skip deepcopy in asdict and astuple
_ATOMIC_TYPES = {
types.NoneType,
types.EllipsisType,
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