client.py

import socket
import subprocess
import os


def main():
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect(('127.0.1.1', 8097))
    command, file_name = s.recv(1024).split()

    # parsing message from server
    command, file_name = str(command, 'utf-8'), str(file_name, 'utf-8')
    input_file = os.path.abspath(file_name)
    target_file = input_file.replace(file_name, 'copy_' + file_name)

    # make a copy of file in the same directory
    with open(target_file, 'w') as f:
        # print(' '.join([command, input_file, target_file]))
        # os.system(' '.join([command, input_file, target_file]))
        subprocess.run([command, input_file, target_file])

    # send a copy to a server
    with open(target_file, 'rb') as f:
        data = f.read(1024)
        while data:
            print('Sending')
            s.send(data)
            data = f.read(1024)
    s.send(b'^__^')
    s.shutdown(2)
    s.close()


if __name__ == '__main__':
    main()