bpo-46607: Add DeprecationWarning for LegacyInterpolation, deprecated… · python/cpython@7528094 · GitHub
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bpo-46607: Add DeprecationWarning for LegacyInterpolation, deprecated in docs since 3.2 (GH-30927)
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‎Doc/whatsnew/3.11.rst‎

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‎Lib/configparser.py‎

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@@ -525,6 +525,15 @@ class LegacyInterpolation(Interpolation):
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_KEYCRE = re.compile(r"%\(([^)]*)\)s|.")
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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warnings.warn(
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"LegacyInterpolation has been deprecated since Python 3.2 "
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"and will be removed from the configparser module in Python 3.13. "
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"Use BasicInterpolation or ExtendedInterpolation instead.",
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DeprecationWarning, stacklevel=2
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)
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def before_get(self, parser, section, option, value, vars):
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rawval = value
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depth = MAX_INTERPOLATION_DEPTH

‎Lib/test/test_configparser.py‎

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

‎Misc/NEWS.d/next/Library/2022-01-26-18-30-34.bpo-46607.xnhT4a.rst‎

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