[Commit-gnuradio] r7714 - grc/branches/grc_reloaded/src/grc/platforms/gnuradio_python

[jblum]

Author: jblum
Date: 2008-02-15 18:24:53 -0700 (Fri, 15 Feb 2008)
New Revision: 7714

Added:
   grc/branches/grc_reloaded/src/grc/platforms/gnuradio_python/Connection.py
Log:
forgot the gnuradio python connection

Added: grc/branches/grc_reloaded/src/grc/platforms/gnuradio_python/Connection.py
===================================================================
--- grc/branches/grc_reloaded/src/grc/platforms/gnuradio_python/Connection.py   
                        (rev 0)
+++ grc/branches/grc_reloaded/src/grc/platforms/gnuradio_python/Connection.py   
2008-02-16 01:24:53 UTC (rev 7714)
@@ -0,0 +1,42 @@
+"""
+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
+"""
address@hidden grc.platforms.gnuradio_python.Connection
+#Flow graph connection.
+#A connection exists between 2 ports.
+#One port must be input, one output.
+#The port decided whether it can have the connection.
address@hidden Josh Blum
+
+from grc.elements.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))
+               
+