FTP_CLIENT

import socket
import os,sys,time

cs=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
cs.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
print("Socket Created...")

port=4444

cs.connect(('localhost',port))
print("Connected to port %s"%str(port))
time.sleep(0.2)

def main():
    op =  input("Enter choice:\n 1. Upload 2. Download :>>")
    op = int(op)
    if op == 1:
        file_path=input("Enter the file name or full path:")
        file_abspath=os.path.abspath(file_path)
        file_name=os.path.basename(file_path)
        cs.send(file_name.encode())

        print("File transfer starting...")
        file=open(file_abspath,'rb')

        while True:
            data=file.read(4096)
            if not data:
                break
            cs.send(data)
            print("Sending...",end="\r")


        cs.close()
        print("Done sending")

    elif op ==2:
        file_name=input("Enter the file name to download:")
        cs.send(file_name.encode('utf8'))

        print("File Download starting...")
        rcv_file=open(file_name,'wb')

        while True:
            data=cs.recv(4096)
            if not data:
                break
            print("Receiving...",end="\r")
            rcv_file.write(data)


        cs.close()
        print("Done downloading")


main()