From: Bob Halley <halley@nominum.com>
Date: Wed, 13 Jan 2010 20:07:33 +0000 (-0800)
Subject: add backwards compatibility for token objects
X-Git-Tag: v1.8.0~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8374cada8182c08f341c380d9b785a92b13dd702;p=thirdparty%2Fdnspython.git

add backwards compatibility for token objects
---

diff --git a/dns/tokenizer.py b/dns/tokenizer.py
index 237d656a..6565127b 100644
--- a/dns/tokenizer.py
+++ b/dns/tokenizer.py
@@ -139,6 +139,22 @@ class Token(object):
             unescaped += c
         return Token(self.ttype, unescaped)
 
+    # compatibility for old-style tuple tokens
+
+    def __len__(self):
+        return 2
+
+    def __iter__(self):
+        return iter((self.ttype, self.value))
+
+    def __getitem__(self, i):
+        if i == 0:
+            return self.ttype
+        elif i == 1:
+            return self.value
+        else:
+            raise IndexError
+
 class Tokenizer(object):
     """A DNS master file format tokenizer.