Fix bug 1130285: Treat hsb/dsb locales as de for number formatting.

lib/l10n_utils/helpers.py

@@ -15,6 +15,12 @@ from dotlang import translate, lang_file_has_tag
 from gettext import template_has_tag
 
 
+babel_format_locale_map = {
+    'hsb': 'de',
+    'dsb': 'de',
+}
+
+
 def install_lang_files(ctx):
     """Install the initial set of .lang files"""
     req = ctx['request']
@@ -81,6 +87,7 @@ def l10n_has_tag(ctx, tag, langfile=None):
 
 def get_locale(lang):
     """Return a babel Locale object for lang. defaults to LANGUAGE_CODE."""
+    lang = babel_format_locale_map.get(lang) or lang
     try:
         return Locale.parse(lang, sep='-')
     except (UnknownLocaleError, ValueError):

lib/l10n_utils/tests/test_helpers.py

@@ -11,6 +11,19 @@ from bedrock.mozorg.tests import TestCase
 from l10n_utils import helpers
 
 
+def test_get_locale():
+    """Test that the get_locale() helper works."""
+    eq_(helpers.get_locale('pt-BR').language, 'pt')
+    eq_(helpers.get_locale('not-a-lang').language, 'en')
+
+
+def test_get_locale_hsb():
+    """Should treat hsb and dsb as de."""
+    # bug 1130285
+    eq_(helpers.get_locale('dsb').language, 'de')
+    eq_(helpers.get_locale('hsb').language, 'de')
+
+
 @patch.object(helpers, 'lang_file_has_tag')
 class TestL10nHasTag(TestCase):
     def test_uses_langfile(self, lfht_mock):