cybertools/brain/neuron.py
helmutm c0880a046e clean up state and transition stuff
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1259 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-07-09 14:30:56 +00:00

71 lines
1.9 KiB
Python

#
# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
#
# This program 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.
#
# This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
A simple basic implementation of Neuron and Synapsis.
$Id: type.py 1129 2006-03-19 09:46:08Z helmutm $
"""
from zope.interface import implements
from cybertools.brain.interfaces import INeuron, ISynapsis
from cybertools.brain.state import State, Transition
class Synapsis(object):
""" A synapsis connects two neurons.
"""
implements(ISynapsis)
sender = None
reciever = None
transition = None
def __init__(self, sender, receiver):
self.sender = sender
sender.receivers.append(self)
self.receiver = receiver
receiver.senders.append(self)
self.transition = Transition(self)
class Neuron(object):
implements(INeuron)
state = None
def __init__(self):
self.senders = []
self.receivers = []
self.state = State()
self.active = False
def trigger(self):
if self.active: # avoid cycles
return
self.active = True
state = self.state
for s in self.senders:
state = s.transition.execute(state)
self.state = state
for r in self.receivers:
r.receiver.trigger()
self.active = False