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Diffstat (limited to 'grc/src/grc_gnuradio/Connection.py')
| -rw-r--r-- | grc/src/grc_gnuradio/Connection.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/grc/src/grc_gnuradio/Connection.py b/grc/src/grc_gnuradio/Connection.py new file mode 100644 index 000000000..c7d6a74c7 --- /dev/null +++ b/grc/src/grc_gnuradio/Connection.py @@ -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 +""" +##@package grc_gnuradio.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. +#@author 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)) + + |