weather.py

#################################
########## DO NOT EDIT ########## 
#################################

import datetime, random, time, os

def get_next_weather_main():
    trend_list = [28, 37, 42, 36, 32, 26, 38, 41, 40, 39, 42, 28, 29, 38, 50, 49, 49, 35, 37, 32, 31, 42, 39, 41, 30, 33, 43, 39, 42, 43, 42, 44, 24, 28, 36, 48, 40, 41, 53, 47, 38, 35, 53, 50, 23, 29, 31, 20, 40, 27, 32, 43, 35, 38, 30, 15, 30, 34, 36, 44, 52, 29, 36, 30, 35, 39, 38, 43, 44, 58, 75, 71, 69, 64, 58, 40, 42, 33, 48, 55, 47, 31, 37, 45, 41, 50, 54, 43, 45, 55, 57, 39, 55, 60, 43, 36, 46, 66, 59, 50, 39, 45, 54, 61, 56, 54, 46, 57, 55, 66, 69, 72, 82, 85, 85, 84, 82, 64, 68, 61, 57, 64, 62, 48, 65, 68, 77, 77, 63, 49, 64, 53, 69, 65, 55, 69, 56, 69, 53, 51, 62, 69, 67, 69, 60, 69, 74, 76, 66, 71, 75, 83, 76, 62, 65, 62, 76, 77, 78, 79, 80, 75, 90, 84, 83, 84, 76, 85, 82, 74, 84, 79, 70, 76, 81, 84, 86, 83, 83, 79, 89, 79, 82, 91, 94, 83, 74, 77, 90, 82, 83, 79, 74, 74, 72, 75, 81, 86, 84, 79, 81, 80, 80, 78, 82, 84, 83, 78, 86, 82, 77, 76, 77, 80, 85, 84, 75, 72, 80, 81, 80, 82, 80, 77, 75, 82, 86, 82, 79, 91, 73, 66, 68, 78, 78, 83, 86, 81, 92, 88, 81, 82, 80, 87, 83, 78, 92, 85, 93, 79, 80, 82, 84, 80, 84, 84, 73, 74, 62, 63, 63, 68, 70, 69, 57, 58, 71, 79, 79, 83, 68, 56, 60, 67, 72, 73, 67, 81, 79, 55, 45, 47, 43, 58, 59, 60, 62, 57, 67, 74, 46, 50, 62, 52, 53, 59, 55, 49, 56, 58, 50, 63, 68, 67, 72, 67, 60, 39, 36, 40, 36, 36, 37, 48, 49, 43, 45, 67, 68, 61, 52, 52, 57, 56, 64, 53, 49, 51, 49, 65, 65, 42, 37, 49, 49, 37, 32, 24, 35, 33, 36, 43, 47, 39, 42, 45, 34, 32, 35, 31, 34, 33, 33, 38, 35, 14, 1, 17, 20, 7, 27, 35, 34, 7, 15]
    start_date = datetime.date(1990, 1, 1)
    day_count = 0

    while True:
        # 5% chance to return a duplicate date but with temperature 10000
        if day_count > 0 and random.random() < 0.05:
            past_date = start_date + datetime.timedelta(days=day_count-1)
            yield past_date.strftime('%Y-%m-%d'), 1000000
            continue
        
        year = start_date.year + (day_count // 365)
        day_of_year = day_count % 365 + 1

        if year % 4 == 0 and (year % 100 != 0 or year % 400 == 0):
            if day_of_year == 60:  # Leap day (29th Feb)
                temperature = trend_list[59 - 1]  # Use the temperature of 28th Feb
            elif day_of_year > 60:
                temperature = trend_list[day_of_year - 2]  # Adjust for leap day
            else:
                temperature = trend_list[day_of_year - 1]
        else:
            temperature = trend_list[day_of_year - 1]
        
        temperature += (year - 1990) * random.uniform(0.02, 0.1)
        temperature += random.uniform(-5,5)
        current_date = start_date + datetime.timedelta(days=day_count)
        yield current_date.strftime('%Y-%m-%d'), round(temperature, 4)
        day_count += 1

def get_next_weather(delay_sec=1):
    if 'AUTOGRADER_DELAY_OVERRIDE_VAL' in os.environ:
        delay_sec = float(os.environ['AUTOGRADER_DELAY_OVERRIDE_VAL'])
    weather_generator = get_next_weather_main()
    while True:
        yield next(weather_generator)
        time.sleep(delay_sec)

# Example usage
# for date, temp in get_next_weather():
#     print(date, temp)