simple server

server

#!/usr/local/bin/python
import socket
import os
from subprocess import Popen, PIPE

PORT_NO = 8080
HOSTNAME = ''
SCRIPT = "listen"

def main():
    # Server Socket
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server.bind((HOSTNAME, PORT_NO))
    server.listen(1)
    print 'listenning...'

    # Client Socket
    connection = None
    try:
        next_script = os.path.abspath(os.path.dirname(__file__) + "/" + SCRIPT)
        while True:
            (connection, address) = server.accept()
            data = connection.recv(1024)
            if data:
                # I/O with PIPE
                process = Popen(next_script, stdin=PIPE, stdout=PIPE)
                process.stdin.write(data)
                process.stdin.close()
                result = process.stdout.read()
                ret = process.wait()
                connection.send(result)
            connection.close()
    except socket.error, msg:
        print msg
    except KeyboardInterrupt:
        print ''
    finally:
        print 'stop'
        if not connection is None:
            connection.close()
        server.close()

if __name__ == '__main__':
    main()