107 lines
4.7 KiB
Python
107 lines
4.7 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import sys
|
|
import json
|
|
import datetime
|
|
import time
|
|
|
|
def get_period_index(periods, test_time : datetime.time):
|
|
for i, state in enumerate(periods):
|
|
if i == len(periods) - 1:
|
|
return(i)
|
|
if test_time >= state["timestart"] and test_time < periods[i+1]["timestart"]:
|
|
return(i)
|
|
|
|
# Should NOT be reached since last state assumed to last until midnight
|
|
# TODO: Raise exception?
|
|
return None
|
|
|
|
def simulate(periods, start_time, run_time=90, time_factor=1.0):
|
|
simulation_start_time = time.time()
|
|
|
|
simulation_start_datetime = datetime.datetime.fromisoformat("1900-01-01 " + start_time.isoformat())
|
|
|
|
current_period_index = get_period_index(periods, simulation_start_datetime.time())
|
|
current_state_index = 0
|
|
|
|
next_changeover_time = simulation_start_time + (periods[current_period_index]["states"][current_state_index]["duration"] / time_factor)
|
|
|
|
print("Starting with simulation time {}".format(simulation_start_datetime.time()))
|
|
print("Initial data: {}".format(periods[current_period_index]["states"][current_state_index]))
|
|
print("Starting simulation of {} second(s) with time factor {}".format(run_time, time_factor))
|
|
|
|
while (run_time is None) or (run_time is not None and time.time() < simulation_start_time + run_time):
|
|
now = time.time()
|
|
|
|
current_simulation_datetime = simulation_start_datetime + datetime.timedelta(seconds=int((now - simulation_start_time) * time_factor))
|
|
timed_state_index = get_period_index(periods, current_simulation_datetime.time())
|
|
|
|
if now >= next_changeover_time:
|
|
timed_state_index = get_period_index(periods, current_simulation_datetime.time())
|
|
if timed_state_index != current_period_index and current_state_index == len(periods[current_period_index]["states"])-1:
|
|
# Safe to change periods
|
|
print()
|
|
print("{} : Changing periods from {} to {}".format(current_simulation_datetime.time(), periods[current_period_index]["name"], periods[timed_state_index]["name"]))
|
|
print(" Old cycle data: {}".format(periods[current_period_index]["states"][current_state_index]))
|
|
|
|
current_period_index = timed_state_index
|
|
current_state_index = 0
|
|
|
|
print(" New cycle data: {}".format(periods[current_period_index]["states"][current_state_index]))
|
|
print(" Next changeover in {} second(s)".format(periods[current_period_index]["states"][current_state_index]["duration"]))
|
|
else:
|
|
next_cycle_index = (current_state_index + 1) % len(periods[current_period_index]["states"])
|
|
|
|
print()
|
|
print("{} : Changing cycle from {} to {}".format(current_simulation_datetime.time(), current_state_index, next_cycle_index))
|
|
if current_period_index != timed_state_index:
|
|
print(" [state change pending]")
|
|
print(" Old cycle data: {}".format(periods[current_period_index]["states"][current_state_index]))
|
|
print(" New cycle data: {}".format(periods[current_period_index]["states"][next_cycle_index]))
|
|
print(" Next changeover in {} second(s)".format(periods[current_period_index]["states"][next_cycle_index]["duration"]))
|
|
|
|
current_state_index = next_cycle_index
|
|
|
|
next_changeover_time = next_changeover_time + (periods[current_period_index]["states"][current_state_index]["duration"] / time_factor)
|
|
else:
|
|
print(".", end="")
|
|
sys.stdout.flush()
|
|
|
|
time.sleep(1.0 / time_factor)
|
|
|
|
|
|
def main():
|
|
periods = json.load(open("periods.json"))
|
|
|
|
# Essential due to assumed ordering further below
|
|
periods.sort(key=lambda x : x["timestart"])
|
|
|
|
for state in periods:
|
|
time = datetime.time.fromisoformat(state["timestart"])
|
|
print("Name: {}\t\tTime start: {}".format(state["name"], time))
|
|
print(" Number of states: {}".format(len(state["states"])))
|
|
state["timestart"] = datetime.time.fromisoformat(state["timestart"])
|
|
|
|
test_times = [
|
|
"00:00:00",
|
|
"07:59:59",
|
|
"08:00:00",
|
|
"09:59:59",
|
|
"10:00:00",
|
|
"16:59:59",
|
|
"17:00:00",
|
|
"18:59:59",
|
|
"19:00:00",
|
|
"23:59:59",
|
|
]
|
|
|
|
for test_time in test_times:
|
|
test_time_obj = datetime.time.fromisoformat(test_time)
|
|
|
|
print("Period matching time {} is '{}'".format(test_time, periods[get_period_index(periods, test_time_obj)]["name"]))
|
|
|
|
simulate(periods, datetime.time.fromisoformat("07:59"), 60, 4.0)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|