can you fix any errors in this code, it does not producethedesired output import sys import json from collections import deque class Process: def __init__(self, name, runtime, arrival_time, io_frequency): self.name = name self.runtime = runtime self.arrival_time = arrival_time self.io_frequency = io_frequency self.remaining_time = runtime self.last_io_time = 0 def execute(self, current_time): return self.name def io_interrupt(self, current_time): return f'!{self.name}' def MLFQ(data_set): time = 0 queues = [deque() for _ in range(3)] # Three queues for different priority levels schedule = [] while data_set or any(queues): for proc in data_set[:]: if proc.arrival_time <= time: queues[0].append(proc) data_set.remove(proc) for queue in queues: if queue: executed_process = queue.popleft() current_proc_name = executed_process.execute(time) schedule.append(current_proc_name) executed_process.remaining_time -= 1 if executed_process.io_frequency and (time - executed_process.last_io_time) % executed_process.io_frequency == 0: io_interrupt = executed_process.io_interrupt(time) schedule.append(io_interrupt) executed_process.last_io_time = time if executed_process.remaining_time > 0: queues[0].append(executed_process) time += 1 return ' '.join(schedule) def main(): try: with open('config.json', 'r') as config_file: config = json.load(config_file) except FileNotFoundError: print('Error opening the configuration file.') return 1 if len(sys.argv) != 2: print('Usage: python your_script.py input_file_name') return 1 input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}" num_processes = 0 data_set = [] try: with open(input_file_name, "r") as file: # Read the number of processes from the file num_processes = int(file.readline().strip()) # Read process data from the file and populate the data_set list for _ in range(num_processes): line = file.readline().strip() name, duration, arrival_time, io_frequency = line.split(',') process = Process(name, int(duration), int(arrival_time), int(io_frequency)) data_set.append(process) except FileNotFoundError: print('Error opening the input file.') return 1 output = MLFQ(data_set) try: output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}" with open(output_path, 'w') as output_file: output_file.write(output) except IOError: print('Error writing to the output file.') return 1 return 0 if __name__ == '__main__': exit_code = main()
can you fix any errors in this code, it does not producethedesired output import sys import json from collections import deque class Process: def __init__(self, name, runtime, arrival_time, io_frequency): self.name = name self.runtime = runtime self.arrival_time = arrival_time self.io_frequency = io_frequency self.remaining_time = runtime self.last_io_time = 0 def execute(self, current_time): return self.name def io_interrupt(self, current_time): return f'!{self.name}' def MLFQ(data_set): time = 0 queues = [deque() for _ in range(3)] # Three queues for different priority levels schedule = [] while data_set or any(queues): for proc in data_set[:]: if proc.arrival_time <= time: queues[0].append(proc) data_set.remove(proc) for queue in queues: if queue: executed_process = queue.popleft() current_proc_name = executed_process.execute(time) schedule.append(current_proc_name) executed_process.remaining_time -= 1 if executed_process.io_frequency and (time - executed_process.last_io_time) % executed_process.io_frequency == 0: io_interrupt = executed_process.io_interrupt(time) schedule.append(io_interrupt) executed_process.last_io_time = time if executed_process.remaining_time > 0: queues[0].append(executed_process) time += 1 return ' '.join(schedule) def main(): try: with open('config.json', 'r') as config_file: config = json.load(config_file) except FileNotFoundError: print('Error opening the configuration file.') return 1 if len(sys.argv) != 2: print('Usage: python your_script.py input_file_name') return 1 input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}" num_processes = 0 data_set = [] try: with open(input_file_name, "r") as file: # Read the number of processes from the file num_processes = int(file.readline().strip()) # Read process data from the file and populate the data_set list for _ in range(num_processes): line = file.readline().strip() name, duration, arrival_time, io_frequency = line.split(',') process = Process(name, int(duration), int(arrival_time), int(io_frequency)) data_set.append(process) except FileNotFoundError: print('Error opening the input file.') return 1 output = MLFQ(data_set) try: output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}" with open(output_path, 'w') as output_file: output_file.write(output) except IOError: print('Error writing to the output file.') return 1 return 0 if __name__ == '__main__': exit_code = main()
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
can you fix any errors in this code, it does not producethedesired output
import sys
import json
from collections import deque
class Process:
def __init__(self, name, runtime, arrival_time, io_frequency):
self.name = name
self.runtime = runtime
self.arrival_time = arrival_time
self.io_frequency = io_frequency
self.remaining_time = runtime
self.last_io_time = 0
def execute(self, current_time):
return self.name
def io_interrupt(self, current_time):
return f'!{self.name}'
def MLFQ(data_set):
time = 0
queues = [deque() for _ in range(3)] # Three queues for different priority levels
schedule = []
while data_set or any(queues):
for proc in data_set[:]:
if proc.arrival_time <= time:
queues[0].append(proc)
data_set.remove(proc)
for queue in queues:
if queue:
executed_process = queue.popleft()
current_proc_name = executed_process.execute(time)
schedule.append(current_proc_name)
executed_process.remaining_time -= 1
if executed_process.io_frequency and (time - executed_process.last_io_time) % executed_process.io_frequency == 0:
io_interrupt = executed_process.io_interrupt(time)
schedule.append(io_interrupt)
executed_process.last_io_time = time
if executed_process.remaining_time > 0:
queues[0].append(executed_process)
time += 1
return ' '.join(schedule)
def main():
try:
with open('config.json', 'r') as config_file:
config = json.load(config_file)
except FileNotFoundError:
print('Error opening the configuration file.')
return 1
if len(sys.argv) != 2:
print('Usage: python your_script.py input_file_name')
return 1
input_file_name = f"Process_List/{config['dataset']}/{sys.argv[1]}"
num_processes = 0
data_set = []
try:
with open(input_file_name, "r") as file:
# Read the number of processes from the file
num_processes = int(file.readline().strip())
# Read process data from the file and populate the data_set list
for _ in range(num_processes):
line = file.readline().strip()
name, duration, arrival_time, io_frequency = line.split(',')
process = Process(name, int(duration), int(arrival_time), int(io_frequency))
data_set.append(process)
except FileNotFoundError:
print('Error opening the input file.')
return 1
output = MLFQ(data_set)
try:
output_path = f"Schedulers/template/{config['dataset']}/template_out_{sys.argv[1].split('_')[1]}"
with open(output_path, 'w') as output_file:
output_file.write(output)
except IOError:
print('Error writing to the output file.')
return 1
return 0
if __name__ == '__main__':
exit_code = main()
sys.exit(exit_code)
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