Needing to Check Every Quarter Hour

[bill_z]

Thanks a bunch menator01.

With your suggestion, I was able to get my code to work.

I'm betting there are more slick and eloquent ways to do this, but, this is such a small program and the only one I plan on running on the RPi.

I'll run another test tonight after sunset to double check but I'm pretty confident it will work.

""" Turn on LED every quarter hour where LED brightness is brighter between sunrise and sunset
 
"""
 
import requests
from datetime import datetime,timedelta
from zoneinfo import ZoneInfo
from array import *
  
latitude = 28.262222
longitude = -96.747165
target_timezone = "America/Chicago"
timezone_offset = ZoneInfo(target_timezone).utcoffset(datetime.now())
quarter_hour = array ('d',[00,15,30,45])
day_brightnes = 255
night_brightnes = 125
  
url = "https://api.sunrise-sunset.org/json"
params = {
        "lat": latitude,
        "lng": longitude,
        "formatted": 0,
        "date": "today",
        }
  
input_format   = "%Y-%m-%dT%H:%M:%S+00:00"
output_format  = "%H:%M:%S"
  
resp_json = requests.get(url, params=params).json()
sunrise_date_time  = resp_json["results"]["sunrise"]
sunset_date_time  = resp_json["results"]["sunset"]
sunrise = datetime.strptime(sunrise_date_time, input_format)
local_sunrise = sunrise + timezone_offset
sunrise = local_sunrise.strftime(output_format)
sunset = datetime.strptime(sunset_date_time, input_format)
local_sunset = sunset + timezone_offset
sunset = local_sunset.strftime(output_format)
local_datetime = datetime.now()
local_time = local_datetime.strftime(output_format)

print(sunrise, "  ", local_time, "  ", sunset)
LED = night_brightnes
if (sunrise < local_time < sunset):
    LED = day_brightnes
print(f"LED brightness is {LED}")
 
print(f"Current time is  {datetime.now()} local")
date_time = datetime.now()
time = date_time.time()
min = int(time.minute)
print(f"Current minute is  {min} local")
if min in quarter_hour:
    print(f"It is a quarter hour  {min} local")

Output:
>>> %Run check_quarter_hour.py
07:08:37    13:15:05    18:13:40
LED brightness is 255
Current time is  2022-02-08 13:15:05.893387 local
Current minute is  15 local
It is a quarter hour  15 local
>>>