2 Copyright 2008, 2009 Free Software Foundation, Inc.
3 This file is part of GNU Radio
5 GNU Radio Companion is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 GNU Radio Companion is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 from Element import Element
27 def __init__(self, block, n, dir):
29 Make a new port from nested data.
30 @param block the parent element
31 @param n the nested odict
32 @param dir the direction source or sink
35 Element.__init__(self, block)
37 self._name = n['name']
39 self._type = n['type']
45 The port must be non-empty and type must a possible type.
47 Element.validate(self)
48 try: assert self.get_type() in self.TYPES
49 except AssertionError: self.add_error_message('Type "%s" is not a possible type.'%self.get_type())
53 return 'Source - %s(%s)'%(self.get_name(), self.get_key())
55 return 'Sink - %s(%s)'%(self.get_name(), self.get_key())
57 def is_port(self): return True
58 def get_color(self): return '#FFFFFF'
59 def get_name(self): return self._name
60 def get_key(self): return self._key
61 def is_sink(self): return self._dir == 'sink'
62 def is_source(self): return self._dir == 'source'
63 def get_type(self): return self.get_parent().resolve_dependencies(self._type)
65 def get_connections(self):
67 Get all connections that use this port.
68 @return a list of connection objects
70 connections = self.get_parent().get_parent().get_connections()
71 connections = filter(lambda c: c.get_source() is self or c.get_sink() is self, connections)
74 def get_enabled_connections(self):
76 Get all enabled connections that use this port.
77 @return a list of connection objects
79 return filter(lambda c: c.get_enabled(), self.get_connections())