def main():
word = Word(alphanums)
command = Group(OneOrMore(word))
token = Suppress("->")
device = Group(OneOrMore(word))
argument = Group(OneOrMore(word))
event = command + token + device + Optional(token + argument)
gate = Gate()
garage = Garage()
airco = Aircondition()
heating = Heating()
boiler = Boiler()
fridge = Fridge()
tests = ('open -> gate',
'close -> garage',
'turn on -> aircondition',
'turn off -> heating',
'increase -> boiler temperature -> 5 degrees',
'decrease -> fridge temperature -> 2 degrees')
open_actions = {'gate': gate.open,
'garage': garage.open,
'aircondition': airco.turn_on,
'heating': heating.turn_on,
'boiler temperature': boiler.increase_temperature,
'fridge temperature': fridge.increase_temperature}
close_actions = {'gate': gate.close,
'garage': garage.close,
'aircondition': airco.turn_off,
'heating': heating.turn_off,
'boiler temperature': boiler.decrease_temperature,
'fridge temperature': fridge.decrease_temperature}
for t in tests:
if len(event.parseString(t)) == 2: # ????
cmd, dev = event.parseString(t)
cmd_str, dev_str = ' '.join(cmd), ' '.join(dev)
if 'open' in cmd_str or 'turn on' in cmd_str:
open_actions[dev_str]()
elif 'close' in cmd_str or 'turn off' in cmd_str:
close_actions[dev_str]()
elif len(event.parseString(t)) == 3: # ???
cmd, dev, arg = event.parseString(t)
cmd_str, dev_str, arg_str = ' '.join(cmd), ' '.join(dev), ' '.join(arg)
num_arg = 0
try:
num_arg = int(arg_str.split()[0]) # ??????
except ValueError as err:
print("expected number but got: '{}'".format(arg_str[0]))
if 'increase' in cmd_str and num_arg > 0:
open_actions[dev_str](num_arg)
elif 'decrease' in cmd_str and num_arg > 0:
close_actions[dev_str](num_arg)
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