Files
psa_car_controller/ChargeControl.py
T

131 lines
5.0 KiB
Python

import json
import threading
import traceback
from copy import copy
from datetime import datetime, timedelta
from hashlib import md5
from time import sleep
import pytz
from MyPSACC import MyPSACC
from MyLogger import logger
from psa_connectedcar.rest import ApiException
class ChargeControl:
periodicity = 120
MQTT_TIMEOUT = 60
def __init__(self, psacc: MyPSACC, vin, percentage_threshold, stop_hour):
self.vin = vin
self.percentage_threshold = percentage_threshold
self.set_stop_hour(stop_hour)
self.psacc = psacc
self.retry_count = 0
self.thread: threading.Timer = None
self.always_check = True
def set_stop_hour(self, stop_hour):
if stop_hour is None or stop_hour == [0, 0]:
self._stop_hour = None
self._next_stop_hour = None
else:
self._stop_hour = stop_hour
self._next_stop_hour = datetime.now().replace(hour=stop_hour[0], minute=stop_hour[1], second=0)
if self._next_stop_hour < datetime.now():
self._next_stop_hour += timedelta(days=1)
def start(self):
periodicity = ChargeControl.periodicity
now = datetime.now()
try:
if self._next_stop_hour is not None and self._next_stop_hour < now:
stop_charge = True
self._next_stop_hour += timedelta(days=1)
logger.info("it's time to stop the charge")
else:
stop_charge = False
if self.percentage_threshold != 100 or stop_charge or self.always_check:
res = None
try:
res = self.psacc.get_vehicle_info(self.vin)
except ApiException:
logger.error(traceback.format_exc())
if res is not None:
status = res.energy[0].charging.status
level = res.energy[0].level
logger.info(f"charging status of {self.vin} is {status}, battery level: {level}")
if status == "InProgress":
# force update if the car doesn't send info during 10 minutes
last_update = res.energy[0].updated_at
if (datetime.utcnow().replace(tzinfo=pytz.UTC) - last_update).total_seconds() > 60 * 10:
self.psacc.wakeup(self.vin)
if (level >= self.percentage_threshold and self.retry_count < 2) or stop_charge:
self.psacc.charge_now(self.vin, False)
self.retry_count += 1
sleep(ChargeControl.MQTT_TIMEOUT)
res = self.psacc.get_vehicle_info(self.vin)
status = res.energy[0].charging.status
if status == "InProgress":
logger.warn(f"retry to stop the charge of {self.vin}")
self.psacc.charge_now(self.vin, False)
self.retry_count += 1
if self._next_stop_hour is not None:
next_in_second = (self._next_stop_hour - now).total_seconds()
if next_in_second < periodicity:
periodicity = next_in_second
else:
self.retry_count = 0
else:
logger.error(f"error when get vehicle info of {self.vin}")
except:
logger.error(traceback.format_exc())
self.thread = threading.Timer(periodicity, self.start)
self.thread.start()
def get_dict(self):
chd = copy(self.__dict__)
chd.pop("psacc")
chd.pop("thread")
return chd
class ChargeControls:
def __init__(self):
self.list: dict = {}
self._confighash = None
def save_config(self, name="charge_config.json", force=False):
chd = {}
for key, el in self.list.items():
chd[el.vin] = {"percentage_threshold": el.percentage_threshold, "stop_hour": el._stop_hour}
config_str = json.dumps(chd, sort_keys=True, indent=4).encode('utf-8')
new_hash = md5(config_str).hexdigest()
if force or self._confighash != new_hash:
with open(name, "wb") as f:
f.write(config_str)
self._confighash = new_hash
logger.info("save config change")
def load_config(psacc: MyPSACC, name="charge_config.json"):
with open(name, "r") as f:
str = f.read()
chd = json.loads(str)
charge_control_list = ChargeControls()
for vin, el in chd.items():
charge_control_list.list[vin] = ChargeControl(psacc, vin, **el)
return charge_control_list
def get(self, vin) -> ChargeControl:
try:
return self.list[vin]
except KeyError:
return None
def start(self):
for vin, charge_control in self.list.items():
charge_control.start()