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lights.py
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lights.py
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import os
import onionGpio
class Lights(object):
def __init__(self):
self.relays = {}
self.switches = {}
self.setup_gpios(2)
def setup_gpios(self, count):
for i in range(count):
relay_envname = 'RELAY{}'.format(i)
switch_envname = 'SWITCH{}'.format(i)
if relay_envname not in os.environ:
break
port = int(os.getenv(relay_envname))
try:
self.relays[i] = onionGpio.OnionGpio(port)
self.relays[i].setOutputDirection()
except:
print('Failed to init {}({})'.format(
i, port
))
continue
if switch_envname in os.environ:
port = int(os.getenv(switch_envname))
try:
self.switches[i] = onionGpio.OnionGpio(port)
self.switches[i].setInputDirection()
except:
print('Failed to init {}({})'.format(
i, port
))
continue
def __getitem__(self, item):
relay = self.relays.get(item)
switch = self.switches.get(item)
if not relay:
raise KeyError(item)
if not switch:
return int(relay.getValue())
return int(relay.getValue()) ^ int(switch.getValue())
def __setitem__(self, item, value):
relay = self.relays.get(item)
switch = self.switches.get(item)
if not relay:
raise KeyError(item)
switched = int(switch.getValue()) if switch else 0
relay.setValue(value ^ switched)
def __len__(self):
return len(self.relays)