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-rw-r--r--grc/base/Connection.py12
1 files changed, 7 insertions, 5 deletions
diff --git a/grc/base/Connection.py b/grc/base/Connection.py
index 94d4751b2..3ce7fd07f 100644
--- a/grc/base/Connection.py
+++ b/grc/base/Connection.py
@@ -1,5 +1,5 @@
"""
-Copyright 2008, 2009 Free Software Foundation, Inc.
+Copyright 2008-2011 Free Software Foundation, Inc.
This file is part of GNU Radio
GNU Radio Companion is free software; you can redistribute it and/or
@@ -37,10 +37,12 @@ class Connection(Element):
for port in (porta, portb):
if port.is_source(): source = port
if port.is_sink(): sink = port
- assert(source and sink)
+ if not source: raise ValueError('Connection could not isolate source')
+ if not sink: raise ValueError('Connection could not isolate sink')
#ensure that this connection (source -> sink) is unique
for connection in self.get_parent().get_connections():
- assert not (connection.get_source() is source and connection.get_sink() is sink)
+ if connection.get_source() is source and connection.get_sink() is sink:
+ raise Exception('This connection between source and sink is not unique.')
self._source = source
self._sink = sink
@@ -62,8 +64,8 @@ class Connection(Element):
Element.validate(self)
source_type = self.get_source().get_type()
sink_type = self.get_sink().get_type()
- try: assert source_type == sink_type
- except AssertionError: self.add_error_message('Source type "%s" does not match sink type "%s".'%(source_type, sink_type))
+ if source_type != sink_type:
+ self.add_error_message('Source type "%s" does not match sink type "%s".'%(source_type, sink_type))
def get_enabled(self):
"""