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Fall back to invariant culture #1995

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Merged
slozier merged 1 commit into from
Feb 18, 2026
Merged

Fall back to invariant culture #1995

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10 changes: 9 additions & 1 deletion src/core/IronPython/Runtime/Operations/StringOps.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -824,8 +824,16 @@ public static string ljust([NotNone] this string self, int width, char fillchar)
return ret.ToString();
}

static StringOps() {
try {
CasingCultureInfo = new CultureInfo("en");
} catch (CultureNotFoundException) {
CasingCultureInfo = CultureInfo.InvariantCulture;
}
}

// required for better match with cpython upper/lower
private static readonly CultureInfo CasingCultureInfo = new CultureInfo("en");
private static readonly CultureInfo CasingCultureInfo;

public static string lower([NotNone] this string self) {
return self.ToLower(CasingCultureInfo);
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