ftp_client_server.py

# server

import socket                   # Import socket module

if __name__ == '__main__':
    port = 60000                    # Reserve a port for your service.
    s = socket.socket()             # Create a socket object
    host = socket.gethostname()     # Get local machine name
    s.bind((host, port))            # Bind to the port
    s.listen(5)                     # Now wait for client connection.

    print('Server listening....')

    while True:
        conn, addr = s.accept()     # Establish connection with client.
        print('Got connection from', addr)
        data = conn.recv(1024)
        print('Server received', repr(data))

        filename = 'mytext.txt'
        with open(filename, 'rb') as f:
            in_data = f.read(1024)
            while in_data:
                conn.send(in_data)
                print('Sent ', repr(in_data))
                in_data = f.read(1024)

        print('Done sending')
        conn.send('Thank you for connecting')
        conn.close()


    # client side server

    s = socket.socket()             # Create a socket object
    host = socket.gethostname()     # Get local machine name
    port = 60000                    # Reserve a port for your service.

    s.connect((host, port))
    s.send("Hello server!")

    with open('received_file', 'wb') as f:
        print('file opened')
        while True:
            print('receiving data...')
            data = s.recv(1024)
            print('data=%s', (data))
            if not data:
                break
            # write data to a file
            f.write(data)

    f.close()
    print('Successfully get the file')
    s.close()
    print('connection closed')