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Use frozendict on Python 3.15 #297

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Merged
hukkin merged 1 commit into from
Apr 14, 2026
+4 −2
Merged

Use frozendict on Python 3.15 #297

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6 changes: 4 additions & 2 deletions src/tomli/_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@
__lazy_modules__ = ["tomli._re"]

import sys
from types import MappingProxyType

from ._re import (
RE_DATETIME,
Expand All @@ -20,6 +19,9 @@
match_to_number,
)

if sys.version_info < (3, 15): # pragma: no cover
from types import MappingProxyType as frozendict

TYPE_CHECKING = False
if TYPE_CHECKING:
from collections.abc import Iterable
Expand Down Expand Up @@ -65,7 +67,7 @@
KEY_INITIAL_CHARS: Final = BARE_KEY_CHARS | frozenset("\"'")
HEXDIGIT_CHARS: Final = frozenset("abcdef" "ABCDEF" "0123456789")

BASIC_STR_ESCAPE_REPLACEMENTS: Final = MappingProxyType(
BASIC_STR_ESCAPE_REPLACEMENTS: Final = frozendict(
{
"\\b": "\u0008", # backspace
"\\t": "\u0009", # tab
Expand Down
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