green_socket.py

import eventlet
from eventlet.green import socket

def handle_socket(reader, writer):
    print "client connected"
    while True:
        line = reader.readline()
        if not line:
            break
        writer.write(line)
        writer.flush()
        print "echoed", line.rstrip()
    print "disconnected"

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(('', 6000))
server.listen(100)
print "server listening on port 6000"

while True:
    sock, addr = server.accept()
    eventlet.spawn(handle_socket, sock.makefile('r'), sock.makefile('w'))