main.py

import random
from datetime import datetime, timedelta
from classes import PCB, Scheduler, OS
import logging
logging.basicConfig(filename = 'output.log', level=logging.DEBUG, format='%(message)s')

def processes_creator(operating_system):
    """Generates random processes until there are 4 different priorities and at least 18 different processes created.

    Args:
        `operating_system`: operating_system receiving and managing processes.
    """
    end_address = 9999
    date_time = datetime.now().replace(microsecond=0)
    number_of_processes = 0

    while len(operating_system.sorted_queues) != 4 or number_of_processes < 18:
        name = 'PROCESS {:02d}'.format(number_of_processes + 1)
        priority = random.randint(1, 4)
        date_time += timedelta(minutes=1)
        init_address = end_address + 1
        end_address = init_address + random.randint(1, 20)
        remaining_time = random.randint(2, 18)
        process = PCB(name, priority, date_time, init_address, end_address, remaining_time)
        operating_system.add_process(process)
        number_of_processes += 1

def main():
    operating_system = OS()
    scheduler = Scheduler()
    
    time_unit = 0
    
    processes_creator(operating_system)
    
    logging.info("OPERATING SYSTEM:")
    logging.info(operating_system)
    
    scheduler.round_robin(time_unit, operating_system)
            
main()