Upgrade to CLDR 45

babel/localedata.py

@@ -95,6 +95,27 @@ def locale_identifiers() -> list[str]:
     ]
 
 
+def _is_non_likely_script(name: str) -> bool:
+    """Return whether the locale is of the form ``lang_Script``,
+    and the script is not the likely script for the language.
+
+    This implements the behavior of the ``nonlikelyScript`` value of the
+    ``localRules`` attribute for parent locales added in CLDR 45.
+    """
+    from babel.core import get_global, parse_locale
+
+    try:
+        lang, territory, script, variant, *rest = parse_locale(name)
+    except ValueError:
+        return False
+
+    if lang and script and not territory and not variant and not rest:
+        likely_subtag = get_global('likely_subtags').get(lang)
+        _, _, likely_script, *_ = parse_locale(likely_subtag)
+        return script != likely_script
+    return False
+
+
 def load(name: os.PathLike[str] | str, merge_inherited: bool = True) -> dict[str, Any]:
     """Load the locale data for the given locale.
 
@@ -132,8 +153,11 @@ def load(name: os.PathLike[str] | str, merge_inherited: bool = True) -> dict[str
                 from babel.core import get_global
                 parent = get_global('parent_exceptions').get(name)
                 if not parent:
-                    parts = name.split('_')
-                    parent = "root" if len(parts) == 1 else "_".join(parts[:-1])
+                    if _is_non_likely_script(name):
+                        parent = 'root'
+                    else:
+                        parts = name.split('_')
+                        parent = "root" if len(parts) == 1 else "_".join(parts[:-1])
                 data = load(parent).copy()
             filename = resolve_locale_filename(name)
             with open(filename, 'rb') as fileobj:

scripts/download_import_cldr.py

@@ -9,10 +9,10 @@
 import zipfile
 from urllib.request import urlretrieve
 
-URL = 'https://unicode.org/Public/cldr/44/cldr-common-44.0.zip'
-FILENAME = 'cldr-common-44.0.zip'
-# Via https://unicode.org/Public/cldr/44/hashes/SHASUM512
-FILESUM = 'f2cd8733948caf308d6e39eae21724da7f29f528f8969d456514e1e84ecd5f1e6936d0460414a968888bb1b597bc1ee723950ea47df5cba21a02bb14f96d18b6'
+URL = 'https://unicode.org/Public/cldr/45/cldr-common-45.0.zip'
+FILENAME = 'cldr-common-45.0.zip'
+# Via https://unicode.org/Public/cldr/45/hashes/SHASUM512.txt
+FILESUM = '638123882bd29911fc9492ec152926572fec48eb6c1f5dd706aee3e59cad8be4963a334bb7a09a645dbedc3356f60ef7ac2ef7ab4ccf2c8926b547782175603c'
 BLKSIZE = 131072
 
 

scripts/import_cldr.py

@@ -315,6 +315,11 @@ def parse_global(srcdir, sup):
 
         for paternity in parentBlock.findall('./parentLocale'):
             parent = paternity.attrib['parent']
+            if parent == 'root':
+                # Since CLDR-45, the 'root' parent locale uses 'localeRules="nonlikelyScript"' instead of
+                # 'locales'. This special case is handled in babel when loading locale data
+                # (https://cldr.unicode.org/index/downloads/cldr-45#h.5rbkhkncdqi9)
+                continue
             for child in paternity.attrib['locales'].split():
                 parent_exceptions[child] = parent
 

tests/test_localedata.py

@@ -63,6 +63,21 @@ def test_load():
     assert localedata.load('en_US') is localedata.load('en_US')
 
 
+def test_load_inheritance(monkeypatch):
+    from babel.localedata import _cache
+
+    _cache.clear()
+    localedata.load('hi_Latn')
+    # Must not be ['root', 'hi_Latn'] even though 'hi_Latn' matches the 'lang_Script'
+    # form used by 'nonLikelyScripts'. This is because 'hi_Latn' has an explicit parent locale 'en_IN'.
+    assert list(_cache.keys()) == ['root', 'en', 'en_001', 'en_IN', 'hi_Latn']
+
+    _cache.clear()
+    localedata.load('az_Arab')
+    # Must not include 'az' as 'Arab' is not a likely script for 'az'.
+    assert list(_cache.keys()) == ['root', 'az_Arab']
+
+
 def test_merge():
     d = {1: 'foo', 3: 'baz'}
     localedata.merge(d, {1: 'Foo', 2: 'Bar'})

tests/test_numbers.py

@@ -250,7 +250,7 @@ def test_list_currencies():
 
     assert list_currencies(locale='pa_Arab') == {'PKR', 'INR', 'EUR'}
 
-    assert len(list_currencies()) == 305
+    assert len(list_currencies()) == 306
 
 
 def test_validate_currency():