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bpo-46607: Add DeprecationWarning for LegacyInterpolation, deprecated in docs since 3.2 (GH-30927)

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Hugo van Kemenade 2022-04-05 18:15:11 +03:00 • committed by GitHub
parent cfb849a326
commit 75280944e5
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9
Lib/configparser.py
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@ -525,6 +525,15 @@ class LegacyInterpolation(Interpolation):
_KEYCRE = re.compile(r"%\(([^)]*)\)s|.")
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
warnings.warn(
"LegacyInterpolation has been deprecated since Python 3.2 "
"and will be removed from the configparser module in Python 3.13. "
"Use BasicInterpolation or ExtendedInterpolation instead.",
DeprecationWarning, stacklevel=2
)
def before_get(self, parser, section, option, value, vars):
rawval = value
depth = MAX_INTERPOLATION_DEPTH

8
Lib/test/test_configparser.py
View file

@ -1666,6 +1666,14 @@ class CoverageOneHundredTestCase(unittest.TestCase):
for warning in w:
self.assertTrue(warning.category is DeprecationWarning)
def test_legacyinterpolation_deprecation(self):
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always", DeprecationWarning)
configparser.LegacyInterpolation()
self.assertGreaterEqual(len(w), 1)
for warning in w:
self.assertIs(warning.category, DeprecationWarning)
def test_sectionproxy_repr(self):
parser = configparser.ConfigParser()
parser.read_string("""