import socket
import random, string

def myrandom(length):
   return ''.join(random.choice(string.lowercase) for i in range(length))

if __name__ == '__main__':
    TCP_IP = '0.0.0.0'
    TCP_PORT = 1337
    BUFFER_SIZE = 1024
    
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.bind((TCP_IP, TCP_PORT))
    s.listen(1)
    while 1:
        conn, addr = s.accept()
        print 'Connection address:', addr
        filename = myrandom(10)
        filename +=".txt"
        f = open(filename,'w')
        while 1:
            data = conn.recv(BUFFER_SIZE)
            if not data: break
            print "received data:", data
            if data is "ende":
                break
            f.write(data) # python will convert \n to os.linesep
        f.flush()
        f.close() 
        conn.send(filename)  
        conn.close()
    pass