[1.0.X] Fixed #5753 -- Allow createsuperuser to work in situations where there

might be a valid password database entry for the current user id.

Backport of r9158 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9159 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/auth/management/commands/createsuperuser.py

@@ -57,10 +57,12 @@ class Command(BaseCommand):
         # Try to determine the current system user's username to use as a default.
         try:
             import pwd
-        except ImportError:
-            default_username = ''
-        else:
             default_username = pwd.getpwuid(os.getuid())[0].replace(' ', '').lower()
+        except (ImportError, KeyError):
+            # KeyError will be raised by getpwuid() if there is no
+            # corresponding entry in the /etc/passwd file (a very restricted
+            # chroot environment, for example).
+            default_username = ''
 
         # Determine whether the default username is taken, so we don't display
         # it as an option.