# HG changeset patch
# User Franz Glasner <f.glasner@feldmann-mg.com>
# Date 1639735079 -3600
# Node ID fa5b800055e4d5bec7b0ff328aa59c6adfe9551c
# Parent  4d7f6dede574d6ed9fcf723992d374342a1a12f7
Optimize ._split_ns(): use str.partition() if possible instead of str.split(n, 1)

diff -r 4d7f6dede574 -r fa5b800055e4 configmix/config.py
--- a/configmix/config.py	Thu Dec 16 09:31:32 2021 +0100
+++ b/configmix/config.py	Fri Dec 17 10:57:59 2021 +0100
@@ -529,11 +529,19 @@
             return default
 
     def _split_ns(self, s):
-        nameparts = s.split(self._NS_SEPARATOR, 1)
-        if len(nameparts) == 1:
-            return (None, s, )
-        else:
-            return (self.unquote(nameparts[0]), nameparts[1], )
+        try:
+            ns, sep, rest = s.partition(self._NS_SEPARATOR)
+            if sep:
+                return (self.unquote(ns), rest)
+            else:
+                return (None, ns)
+        except AttributeError:
+            # pre PY 2.5
+            nameparts = s.split(self._NS_SEPARATOR, 1)
+            if len(nameparts) == 1:
+                return (None, s, )
+            else:
+                return (self.unquote(nameparts[0]), nameparts[1], )
 
     def _split_filters(self, s):
         nameparts = s.split(self._FILTER_SEPARATOR)