From d6c741d40bed6466537c452ff8dc7549ea7f9991 Mon Sep 17 00:00:00 2001
From: Oliverpool <oliverpool@hotmail.fr>
Date: Thu, 17 Sep 2015 14:31:49 +0200
Subject: [PATCH] Add getter method to OrderedLifoDict

---
 patacrep/songs/chordpro/ast.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/patacrep/songs/chordpro/ast.py b/patacrep/songs/chordpro/ast.py
index 5cffbb86..cc0c0d63 100644
--- a/patacrep/songs/chordpro/ast.py
+++ b/patacrep/songs/chordpro/ast.py
@@ -39,6 +39,11 @@ class OrderedLifoDict:
     def __getitem__(self, key):
         return self._values[key]
 
+    def get(self, key, default=None):
+        if key not in self._keys:
+            return default
+        return self._values[key]
+
 def _indent(string):
     """Return and indented version of argument."""
     return "\n".join(["  {}".format(line) for line in string.split('\n')])