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[Backport maintenance/4.0.x] Suppress SyntaxWarnings for Python 3.14 when parsing modules #2854

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Merged
merged 1 commit into from
Oct 10, 2025
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[Backport maintenance/4.0.x] Suppress SyntaxWarnings for Python 3.14 when parsing modules #2854

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3 changes: 3 additions & 0 deletions ChangeLog
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,9 @@ What's New in astroid 4.0.1?
Release date: TBA


* Suppress ``SyntaxWarning`` for invalid escape sequences and return in finally on
Python 3.14 when parsing modules.


What's New in astroid 4.0.0?
============================
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8 changes: 6 additions & 2 deletions astroid/builder.py
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Expand Up @@ -23,7 +23,7 @@

from astroid import bases, modutils, nodes, raw_building, rebuilder, util
from astroid._ast import ParserModule, get_parser_module
from astroid.const import PY312_PLUS
from astroid.const import PY312_PLUS, PY314_PLUS
from astroid.exceptions import AstroidBuildingError, AstroidSyntaxError, InferenceError

if TYPE_CHECKING:
Expand All @@ -39,7 +39,11 @@
_STATEMENT_SELECTOR = "#@"

if PY312_PLUS:
warnings.filterwarnings("ignore", "invalid escape sequence", SyntaxWarning)
warnings.filterwarnings("ignore", ".*invalid escape sequence", SyntaxWarning)
if PY314_PLUS:
warnings.filterwarnings(
"ignore", "'(return|continue|break)' in a 'finally'", SyntaxWarning
)


def open_source_file(filename: str) -> tuple[TextIOWrapper, str, str]:
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