From bf232a6e6e73d156c9a46c26842480352c6794c0 Mon Sep 17 00:00:00 2001
From: Josh Blum
Date: Thu, 20 Aug 2009 01:30:23 -0700
Subject: added continuation mode for pad source and sinks

---
 grc/base/Block.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'grc/base/Block.py')

diff --git a/grc/base/Block.py b/grc/base/Block.py
index 82d276567..349e71f76 100644
--- a/grc/base/Block.py
+++ b/grc/base/Block.py
@@ -47,7 +47,9 @@ class TemplateArg(UserDict):
 		return self._param.get_evaluated()
 
 def _get_keys(lst): return [elem.get_key() for elem in lst]
-def _get_elem(lst, key): return lst[_get_keys(lst).index(key)]
+def _get_elem(lst, key):
+	try: return lst[_get_keys(lst).index(key)]
+	except ValueError: raise ValueError, 'Key "%s" not found in %s.'%(key, _get_keys(lst))
 
 class Block(Element):
 
-- 
cgit