def test_reset_circuit(circuit):
"""Reset creates a new empty circuit."""
assert circuit is edzed.get_circuit()
assert list(circuit.getblocks()) == []
blk = Noop('test')
assert list(circuit.getblocks()) == [blk]
edzed.reset_circuit()
newcircuit = edzed.get_circuit()
assert newcircuit is not circuit
assert list(newcircuit.getblocks()) == []
async def ptest(circuit, delay, slog):
ie1 = edzed.InputExp('ie',
duration=0.25,
expired="exp",
initdef="ok1",
persistent=True)
state = {}
circuit.set_persistent_data(state)
asyncio.create_task(circuit.run_forever())
await asyncio.sleep(0.1)
await circuit.shutdown()
assert ie1.key in state
# circuit 2
await asyncio.sleep(delay)
edzed.reset_circuit()
circuit = edzed.get_circuit()
circuit.set_persistent_data(state)
logger = TimeLogger('logger')
ie2 = edzed.InputExp('ie',
duration=0.25,
expired="exp",
initdef="ok2",
persistent=True,
on_output=edzed.Event(logger))
asyncio.create_task(circuit.run_forever())
await asyncio.sleep(0.30)
await circuit.shutdown()
logger.compare(slog)
async def test_persistent(circuit):
td = edzed.TimeSpan("pers", persistent=True)
storage = {}
circuit.set_persistent_data(storage)
asyncio.create_task(circuit.run_forever())
await circuit.wait_init()
assert td.get_state() == []
conf = edzed.TimeSpan.parse(
"2001August31.23:2:3-31.may2008 0:0,2011August31.1:2:3-31.may2018 1:59")
td.event('reconfig', span=conf)
assert td.get_state() == conf
await circuit.shutdown()
assert storage[td.key] == conf
edzed.reset_circuit()
td = edzed.TimeSpan("pers", persistent=True)
circuit = edzed.get_circuit()
circuit.set_persistent_data(storage)
asyncio.create_task(circuit.run_forever())
await circuit.wait_init()
assert td.get_state() == conf
await circuit.shutdown()
assert storage[td.key] == conf
import asyncio
import random
import edzed
def get_temperature():
"""Fake room thermometer (Celsius scale)."""
t = random.uniform(20.0, 28.0)
print(f" T={t:.1f}")
return t
edzed.ValuePoll('thermometer', func=get_temperature, interval=1)
edzed.Compare('thermostat',
low=22.0,
high=24.0,
on_output=edzed.Event('heater')).connect('thermometer')
edzed.OutputFunc('heater',
func=lambda hot: print(f"Heater {'off' if hot else 'on'}"),
on_error=None)
if __name__ == '__main__':
print('Press ctrl-C to stop')
circuit = edzed.get_circuit()
asyncio.run(circuit.run_forever())
def circuit():
"""Return a new empty circuit."""
edzed.reset_circuit()
return edzed.get_circuit()