max_value

#!/usr/bin/python3

from requests import get
import json
from datetime import datetime
from datetime import timedelta

today = datetime.today()
x = 10                                                          # liczba dni
delta = timedelta(days=x)
period = (today - delta).strftime("%Y-%m-%dT%H:%M:%S")

HOST = "192.168.1.x"                                            # HA IP adres
SENSOR = "sensor.airly_temperature"                         # sensor
DATE = period

END_POINT = "history/period/{}?filter_entity_id={}".format(DATE, SENSOR)
url = "http://{}:8123/api/{}".format(HOST, END_POINT)

# HA LIVE TOKEN
f = open("/config/HA_API_KEY.txt", "r")                     # "Bearer aaaBBBBcccDDDeeeFFF...."  -
HA_API_KEY = f.readline()
f.close()

headers={"Authorization": HA_API_KEY, "content-type": "application/json" }
response = get(url, headers=headers)
response_json = response.json()

list_states = []
for i in response_json[0]:
    if i['state'] == 'unavailable':
         list_states.append(float(list_states[-1]))
    else:
        list_states.append(float(i['state']))

print(max(list_states))