From 9f5ef34ac05de070a99fae07eb1a8087ba60a653 Mon Sep 17 00:00:00 2001
From: Sebastian Koslowski <koslowski@kit.edu>
Date: Fri, 20 Nov 2015 17:28:17 +0100
Subject: grc-refactor: move grc.base to grc.python.base
---
grc/python/base/Port.py | 136 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 136 insertions(+)
create mode 100644 grc/python/base/Port.py
(limited to 'grc/python/base/Port.py')
diff --git a/grc/python/base/Port.py b/grc/python/base/Port.py
new file mode 100644
index 0000000000..39166d18f7
--- /dev/null
+++ b/grc/python/base/Port.py
@@ -0,0 +1,136 @@
+"""
+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 . Constants import GR_STREAM_DOMAIN, GR_MESSAGE_DOMAIN
+
+class Port(Element):
+
+ def __init__(self, block, n, dir):
+ """
+ Make a new port from nested data.
+
+ Args:
+ block: the parent element
+ n: the nested odict
+ dir: the direction source or sink
+ """
+ #build the port
+ Element.__init__(self, block)
+ #grab the data
+ self._name = n['name']
+ self._key = n['key']
+ self._type = n['type']
+ self._domain = n['domain']
+ self._hide = n.find('hide') or ''
+ self._dir = dir
+ self._hide_evaluated = False # updated on rewrite()
+
+ def validate(self):
+ """
+ Validate the port.
+ The port must be non-empty and type must a possible type.
+ """
+ Element.validate(self)
+ if self.get_type() not in self.get_types():
+ self.add_error_message('Type "%s" is not a possible type.' % self.get_type())
+ platform = self.get_parent().get_parent().get_parent()
+ if self.get_domain() not in platform.get_domains():
+ self.add_error_message('Domain key "%s" is not registered.' % self.get_domain())
+
+ def rewrite(self):
+ """resolve dependencies in for type and hide"""
+ Element.rewrite(self)
+ hide = self.get_parent().resolve_dependencies(self._hide).strip().lower()
+ self._hide_evaluated = False if hide in ('false', 'off', '0') else bool(hide)
+ # update domain if was deduced from (dynamic) port type
+ type_ = self.get_type()
+ if self._domain == GR_STREAM_DOMAIN and type_ == "message":
+ self._domain = GR_MESSAGE_DOMAIN
+ self._key = self._name
+ if self._domain == GR_MESSAGE_DOMAIN and type_ != "message":
+ self._domain = GR_STREAM_DOMAIN
+ self._key = '0' # is rectified in rewrite()
+
+ def __str__(self):
+ if self.is_source():
+ return 'Source - %s(%s)'%(self.get_name(), self.get_key())
+ if self.is_sink():
+ return 'Sink - %s(%s)'%(self.get_name(), self.get_key())
+
+ def get_types(self):
+ """
+ Get a list of all possible port types.
+ @throw NotImplementedError
+ """
+ raise NotImplementedError
+
+ def is_port(self): return True
+ def get_color(self): return '#FFFFFF'
+ def get_name(self):
+ number = ''
+ if self.get_type() == 'bus':
+ busses = filter(lambda a: a._dir == self._dir, self.get_parent().get_ports_gui())
+ number = str(busses.index(self)) + '#' + str(len(self.get_associated_ports()))
+ return self._name + number
+
+ def get_key(self): return self._key
+ def is_sink(self): return self._dir == 'sink'
+ def is_source(self): return self._dir == 'source'
+ def get_type(self): return self.get_parent().resolve_dependencies(self._type)
+ def get_domain(self): return self._domain
+ def get_hide(self): return self._hide_evaluated
+
+ def get_connections(self):
+ """
+ Get all connections that use this port.
+
+ Returns:
+ a list of connection objects
+ """
+ connections = self.get_parent().get_parent().get_connections()
+ connections = filter(lambda c: c.get_source() is self or c.get_sink() is self, connections)
+ return connections
+
+ def get_enabled_connections(self):
+ """
+ Get all enabled connections that use this port.
+
+ Returns:
+ a list of connection objects
+ """
+ return filter(lambda c: c.get_enabled(), self.get_connections())
+
+ def get_associated_ports(self):
+ if not self.get_type() == 'bus':
+ return [self]
+ else:
+ if self.is_source():
+ get_ports = self.get_parent().get_sources
+ bus_structure = self.get_parent().current_bus_structure['source']
+ else:
+ get_ports = self.get_parent().get_sinks
+ bus_structure = self.get_parent().current_bus_structure['sink']
+
+ ports = [i for i in get_ports() if not i.get_type() == 'bus']
+ if bus_structure:
+ busses = [i for i in get_ports() if i.get_type() == 'bus']
+ bus_index = busses.index(self)
+ ports = filter(lambda a: ports.index(a) in bus_structure[bus_index], ports)
+ return ports
--
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