Viewing file:  light.py (3.49 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
# Licensed under the MIT license
# http://opensource.org/licenses/mit-license.php
# Copyright 2008, Frank Scholz <coherence@beebits.net>
import coherence.extern.louie as louie
from coherence.upnp.core.utils import generalise_boolean
from coherence.backend import Backend
class SimpleLight(Backend):
""" this is a backend for a simple light
that only can be switched on or off
therefore we need to inform Coherence
about the state, and a method to change it
everything else is done by Coherence
"""
implements = ['BinaryLight']
logCategory = 'simple_light'
def __init__(self, server, **kwargs):
self.name = kwargs.get('name','SimpleLight')
self.server = server
self.state = 0 # we start switched off
louie.send('Coherence.UPnP.Backend.init_completed', None, backend=self)
def upnp_init(self):
if self.server:
self.server.switch_power_server.set_variable(0, 'Target', self.state)
self.server.switch_power_server.set_variable(0, 'Status', self.state)
def upnp_SetTarget(self,**kwargs):
self.info('upnp_SetTarget %r', kwargs)
self.state = int(generalise_boolean(kwargs['NewTargetValue']))
if self.server:
self.server.switch_power_server.set_variable(0, 'Target', self.state)
self.server.switch_power_server.set_variable(0, 'Status', self.state)
print "we have been switched to state", self.state
return {}
class BetterLight(Backend):
implements = ['DimmableLight']
logCategory = 'better_light'
def __init__(self, server, **kwargs):
self.name = kwargs.get('name','BetterLight')
self.server = server
self.state = 0 # we start switched off
self.loadlevel = 50 # we start with 50% brightness
louie.send('Coherence.UPnP.Backend.init_completed', None, backend=self)
def upnp_init(self):
if self.server:
self.server.switch_power_server.set_variable(0, 'Target', self.state)
self.server.switch_power_server.set_variable(0, 'Status', self.state)
self.server.dimming_server.set_variable(0, 'LoadLevelTarget', self.loadlevel)
self.server.dimming_server.set_variable(0, 'LoadLevelStatus', self.loadlevel)
def upnp_SetTarget(self,**kwargs):
self.info('upnp_SetTarget %r', kwargs)
self.state = int(generalise_boolean(kwargs['NewTargetValue']))
if self.server:
self.server.switch_power_server.set_variable(0, 'Target', self.state)
self.server.switch_power_server.set_variable(0, 'Status', self.state)
print "we have been switched to state", self.state
return {}
def upnp_SetLoadLevelTarget(self,**kwargs):
self.info('SetLoadLevelTarget %r', kwargs)
self.loadlevel = int(kwargs['NewLoadlevelTarget'])
self.loadlevel = min(max(0,self.loadlevel),100)
if self.server:
self.server.dimming_server.set_variable(0, 'LoadLevelTarget', self.loadlevel)
self.server.dimming_server.set_variable(0, 'LoadLevelStatus', self.loadlevel)
print "we have been dimmed to level", self.loadlevel
return {}
if __name__ == '__main__':
from coherence.base import Coherence
def main():
config = {}
config['logmode'] = 'warning'
c = Coherence(config)
f = c.add_plugin('SimpleLight')
f = c.add_plugin('BetterLight')
from twisted.internet import reactor
reactor.callWhenRunning(main)
reactor.run()
|