diff options
| author | Sebastian Koslowski <koslowski@kit.edu> | 2015-11-20 17:39:59 +0100 |
|---|---|---|
| committer | Sebastian Koslowski <koslowski@kit.edu> | 2016-02-17 19:55:16 +0100 |
| commit | 36af320d43c726d9bf71eb871737bdd647ff60ef (patch) | |
| tree | 389857d060e636e80efde53c7df1265e4e90ec3c /grc/python/base/Connection.py | |
| parent | 9f5ef34ac05de070a99fae07eb1a8087ba60a653 (diff) | |
grc-refactor: clean-up grc directory
Diffstat (limited to 'grc/python/base/Connection.py')
| -rw-r--r-- | grc/python/base/Connection.py | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/grc/python/base/Connection.py b/grc/python/base/Connection.py deleted file mode 100644 index 8df0f5ad53..0000000000 --- a/grc/python/base/Connection.py +++ /dev/null @@ -1,139 +0,0 @@ -""" -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 -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 . import odict - - -class Connection(Element): - - def __init__(self, flow_graph, porta, portb): - """ - Make a new connection given the parent and 2 ports. - - Args: - flow_graph: the parent of this element - porta: a port (any direction) - portb: a port (any direction) - @throws Error cannot make connection - - Returns: - 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 - if not source: raise ValueError('Connection could not isolate source') - if not sink: raise ValueError('Connection could not isolate sink') - busses = len(filter(lambda a: a.get_type() == 'bus', [source, sink]))%2 - if not busses == 0: raise ValueError('busses must get with busses') - - if not len(source.get_associated_ports()) == len(sink.get_associated_ports()): - raise ValueError('port connections must have same cardinality'); - #ensure that this connection (source -> sink) is unique - for connection in self.get_parent().get_connections(): - if connection.get_source() is source and connection.get_sink() is sink: - raise LookupError('This connection between source and sink is not unique.') - self._source = source - self._sink = sink - if source.get_type() == 'bus': - - sources = source.get_associated_ports(); - sinks = sink.get_associated_ports(); - - for i in range(len(sources)): - try: - flow_graph.connect(sources[i], sinks[i]); - except: - pass - - 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. - """ - Element.validate(self) - platform = self.get_parent().get_parent() - source_domain = self.get_source().get_domain() - sink_domain = self.get_sink().get_domain() - if (source_domain, sink_domain) not in platform.get_connection_templates(): - self.add_error_message('No connection known for domains "%s", "%s"' - % (source_domain, sink_domain)) - too_many_other_sinks = ( - source_domain in platform.get_domains() and - not platform.get_domain(key=source_domain)['multiple_sinks'] and - len(self.get_source().get_enabled_connections()) > 1 - ) - too_many_other_sources = ( - sink_domain in platform.get_domains() and - not platform.get_domain(key=sink_domain)['multiple_sources'] and - len(self.get_sink().get_enabled_connections()) > 1 - ) - if too_many_other_sinks: - self.add_error_message( - 'Domain "%s" can have only one downstream block' % source_domain) - if too_many_other_sources: - self.add_error_message( - 'Domain "%s" can have only one upstream block' % sink_domain) - - def get_enabled(self): - """ - Get the enabled state of this connection. - - Returns: - 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. - - Returns: - 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 |