Committin a 'working' checkpoint before I break more stuff.

apps/objects/util/object.py

@@ -0,0 +1,19 @@
+"""
+Utility functions for the Object class. These functions should not import
+any models or modify the database.
+"""
+def is_dbref(dbstring):
+    """
+    Is the input a well-formed dbref number?
+    """
+    try:
+        number = int(dbstring[1:])
+    except ValueError:
+        return False
+        
+    if not dbstring.startswith("#"):
+        return False
+    elif number < 1:
+        return False
+    else:
+        return True