Ticket #3165: createsuperuser.patch

django/contrib/auth/create_superuser.py

@@ -10 +10 @@
 import getpass
 import os
 import sys
+import re
 
+RE_VALID_USERNAME = re.compile('\w+$')
+
 def createsuperuser(username=None, email=None, password=None):
     """
     Helper function for creating a superuser from the command line. All
@@ -43 +46 @@
                 username = raw_input(input_msg + ': ')
             if default_username and username == '':
                 username = default_username
-            if not username.isalnum():
+            if not RE_VALID_USERNAME.match(username):
                 sys.stderr.write("Error: That username is invalid. Use only letters, digits and underscores.\n")
                 username = None
                 continue