# objtel.py
# This is a Telnet class.
# Juan Francisco Benavides Nanni - Dracko - 24/12/2005

import sys
import socket
import select
import threading
import time

class obj_tel(object):

    print """
Telnet client made in Python.
By Juan Francisco Benavides Nanni.
------------------------------------
    """

    def __init__(self):

        self.client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        print "Give me the Host or IP address: ",
        self.tmp = str(sys.stdin.readline())
        self.host = ''
        for self.i in self.tmp:
            if self.i != '\n':
                self.host += self.i
        self.flag = 0
        self.port = ''
        while self.flag == 0:
            print "\nGive me the port number: ",
            self.tmp = str(sys.stdin.readline())
            try:
                self.port = int(self.tmp)
                self.flag = 1
            except ValueError:
                print "\nPort number can't contain strings.\n"
        try:
            self.client.connect((self.host, self.port))
            print "\nConnection successfully made.\n"
        except:
            print "\nCan't connect.\n"
            sys.stdin.readline()
            self.exit_client()
        self.telnet()

    def telnet(self):

        print "To exit just press <<Enter>>."
        self.opt = [self.client]
        self.msg = ''
        while 1:
            (self.rlist, self.wlist, self.xlist) = select.select(self.opt, [], [], .9)
            if self.rlist != []:
                print "%s" % (str(self.client.recv(1024)), )
            else:
                self.slp = threading.Thread(target = self.sleep_function, args = (1, ))
                self.slp.start()

    def sleep_function(self, seconds):
        time.sleep(seconds)
        self.tmp = str(sys.stdin.readline())
        self.msg = ''
        for self.i in self.tmp:
            if self.i != '\n':
                self.msg += self.i
        self.client.send(self.msg)

    def exit_client(self):
        raise SystemExit

if __name__ == "__main__":
    telnet = obj_tel()