Ticket #18160: auth_unknown_encoding.diff

django/contrib/auth/tests/management.py

@@ -29 +29 @@
         management.get_system_username = lambda: u'J\xfalia'
         self.assertEqual(management.get_default_username(), 'julia')
 
+    def test_unknown_encoding(self):
+        import locale
+        locale.getdefaultlocale = lambda: ("en_US", "x-mac-simp-chinese")
+        self.assertEqual(management.get_default_username(), '')
 
+
 class ChangepasswordManagementCommandTestCase(TestCase):
 
     def setUp(self):

django/contrib/auth/management/__init__.py

@@ -83 +83 @@
     """
     try:
         return getpass.getuser().decode(locale.getdefaultlocale()[1])
-    except (ImportError, KeyError, UnicodeDecodeError):
+    except (ImportError, KeyError, LookupError, UnicodeDecodeError):
         # KeyError will be raised by os.getpwuid() (called by getuser())
         # if there is no corresponding entry in the /etc/passwd file
         # (a very restricted chroot environment, for example).