Imported Upstream version 3.2.2

[debian/gnuradio] / grc / python / Connection.py

diff --git a/grc/python/Connection.py b/grc/python/Connection.py
new file mode 100644 (file)
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--- /dev/null
+++ b/grc/python/Connection.py
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+"""
+Copyright 2008 Free Software Foundation, Inc.
+This file is part of GNU Radio
+
+GNU Radio Companion is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+GNU Radio Companion is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+"""
+
+from .. base.Connection import Connection as _Connection
+
+class Connection(_Connection):
+
+       def validate(self):
+               """
+               Validate the connections.
+               The ports must match in type and vector length.
+               """
+               _Connection.validate(self) #checks type
+               #check vector length
+               source_vlen = self.get_source().get_vlen()
+               sink_vlen = self.get_sink().get_vlen()
+               try: assert source_vlen == sink_vlen
+               except AssertionError: self.add_error_message('Source vector length "%s" does not match sink vector length "%s".'%(source_vlen, sink_vlen))