import socket  # Import socket module
import sys
import os
import time

if len(sys.argv) is not 4:
    print('Usage: python3 send_file.py ip port filename')
    sys.exit(-1)

s = socket.socket()  # Create a socket object
host = sys.argv[1] # Ip address that the TCPServer  is there
port = int(sys.argv[2])  # Reserve a port for your service every new transfer wants a new port or you must wait.

s.connect((host, port))

filename = sys.argv[3]

s.send(bytes(filename, encoding='utf8'))
print(s.recv(1024).decode())

f = open(filename, 'rb')
size = os.path.getsize(filename)
buff = f.read(1024)

i = 0
while buff:
    s.send(b'pk')
    s.send(buff)
    i += 1
    print('Progress: ' + str((1024 / (size/100)) * i), end='\r')
    buff = f.read(1024)
    time.sleep(0.1)


print('Progress: 100')

s.send(b'ok')
f.close()
s.close()
print('File sent.')