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Diffstat (limited to 'grc/src/platforms/base/Connection.py')
| -rw-r--r-- | grc/src/platforms/base/Connection.py | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/grc/src/platforms/base/Connection.py b/grc/src/platforms/base/Connection.py deleted file mode 100644 index b8b75ac13..000000000 --- a/grc/src/platforms/base/Connection.py +++ /dev/null @@ -1,94 +0,0 @@ -""" -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 Element import Element -from ... utils import odict - -class Connection(Element): - - def __init__(self, flow_graph, porta, portb): - """ - Make a new connection given the parent and 2 ports. - @param flow_graph the parent of this element - @param porta a port (any direction) - @param portb a port (any direction) - @throws Error cannot make connection - @return a new connection - """ - Element.__init__(self, flow_graph) - source = sink = None - #separate the source and sink - for port in (porta, portb): - if port.is_source(): source = port - if port.is_sink(): sink = port - assert(source and 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) - self._source = source - self._sink = sink - - def __str__(self): - return 'Connection (\n\t%s\n\t\t%s\n\t%s\n\t\t%s\n)'%( - self.get_source().get_parent(), - self.get_source(), - self.get_sink().get_parent(), - self.get_sink(), - ) - - def is_connection(self): return True - - def validate(self): - """ - Validate the connections. - The ports must match in type. - """ - 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)) - - def get_enabled(self): - """ - Get the enabled state of this connection. - @return true if source and sink blocks are enabled - """ - return self.get_source().get_parent().get_enabled() and \ - self.get_sink().get_parent().get_enabled() - - ############################# - # Access Ports - ############################# - def get_sink(self): return self._sink - def get_source(self): return self._source - - ############################################## - ## Import/Export Methods - ############################################## - def export_data(self): - """ - Export this connection's info. - @return a nested data odict - """ - n = odict() - n['source_block_id'] = self.get_source().get_parent().get_id() - n['sink_block_id'] = self.get_sink().get_parent().get_id() - n['source_key'] = self.get_source().get_key() - n['sink_key'] = self.get_sink().get_key() - return n |