PhotoshopSender.py

import socket
HOST = '127.0.0.1'
PORT = 8789

def send_photoshop(msg):
'''
Expects a photoshop instance running a tcp server on HOST:PORT
'''
    conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    conn.connect((HOST,PORT))
    conn.send(msg)
    r = conn.recv(4096)
    conn.close()
    return r

send_photoshop("alert hello_from_python")       #show a dialog
send_photoshop("newLayer")                      #create a layer
send_photoshop("stop")                          #stop the server