fix(utils): use strxfrm only if it works

Fixes WeblateOrg#14019

weblate/trans/tests/test_sort.py

@@ -11,8 +11,8 @@
 
 class SortTest(TestCase):
     def test_sort(self) -> None:
-        if not weblate.trans.util.LOCALE_SETUP:
-            self.skipTest("Could not set up locales")
+        if not weblate.trans.util.USE_STRXFRM:
+            self.skipTest("strxfrm not available")
         result = weblate.trans.util.sort_choices(
             ((2, "zkouška"), (3, "zkouzka"), (1, "zkouaka"))
         )

weblate/trans/util.py

@@ -36,7 +36,7 @@
     from weblate.trans.models import Project, Translation, Unit
 
 PLURAL_SEPARATOR = "\x1e\x1e"
-LOCALE_SETUP = True
+USE_STRXFRM = False
 
 PRIORITY_CHOICES = (
     (60, gettext_lazy("Very high")),
@@ -56,7 +56,16 @@
     try:
         locale.setlocale(locale.LC_ALL, ("en_US", "UTF-8"))
     except locale.Error:
-        LOCALE_SETUP = False
+        USE_STRXFRM = False
+    else:
+        try:
+            locale.strxfrm("zkouška")
+        except OSError:
+            # Crashes on macOS 15, see
+            # https://github.com/python/cpython/issues/130567
+            USE_STRXFRM = False
+        else:
+            USE_STRXFRM = True
 
 
 def is_plural(text: str) -> bool:
@@ -273,7 +282,11 @@ def path_separator(path: str) -> str:
 
 def sort_unicode(choices: list[T], key: Callable[[T], str]) -> list[T]:
     """Unicode aware sorting if available."""
-    return sorted(choices, key=lambda tup: locale.strxfrm(key(tup)))
+
+    def sort_strxfrm(item: T) -> str:
+        return locale.strxfrm(key(item))
+
+    return sorted(choices, key=sort_strxfrm if USE_STRXFRM else key)
 
 
 def sort_choices(choices: list[tuple[str, str]]) -> list[tuple[str, str]]: