From 501db565970deb9cdf0e022f2718f23493a590c9 Mon Sep 17 00:00:00 2001
From: Alessandro Decina <alessandro.d@gmail.com>
Date: Mon, 15 Oct 2012 09:10:25 +0200
Subject: [PATCH] overrides: implement the python iterator protocol for
 Gst.Iterator

So that you can use: for value in gst_iterator: ...
---
 gi/overrides/Gst.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/gi/overrides/Gst.py b/gi/overrides/Gst.py
index 1e3cca51d2..392fd31f4e 100644
--- a/gi/overrides/Gst.py
+++ b/gi/overrides/Gst.py
@@ -77,6 +77,26 @@ class Caps(Gst.Caps):
 Caps = override(Caps)
 __all__.append('Caps')
 
+class IteratorError(Exception):
+    pass
+__all__.append('IteratorError')
+
+class Iterator(Gst.Iterator):
+    def __iter__(self):
+        while True:
+            result, value = self.next()
+            if result == Gst.IteratorResult.DONE:
+                break
+
+            if result != Gst.IteratorResult.OK:
+                raise IteratorError(result)
+
+            yield value
+
+Iterator = override(Iterator)
+__all__.append('Iterator')
+
+
 class ElementFactory(Gst.ElementFactory):
 
     # ElementFactory