+ return decorated
+
+
+
+import re
+NAT_EXPR = re.compile(r'(\d+)', re.LOCALE | re.UNICODE)
+def natural_order(get_key=lambda x: x):
+ def getter(key):
+ key = [int(x) if n%2 else x for (n,x) in enumerate(NAT_EXPR.split(get_key(key))) ]
+ return key
+
+ return getter