Javascript and Python communication by socket and eval javascript in PP

Javascript and Python communication by socket and eval javascript in PP

Extendscript code piece:

//#target photoshop

//#target bridge

//#target estoolkit

function doSometing(info)

{

    eval (info);

}    

var flag =true;

var tcp = null;

var demon = true;

function startServer(port) 

{

    tcp = new Socket;

    // listen on port 1234

    //$.writeln ("Chat server listening on port 1234");

    if (tcp.listen (port)) 

    {

            // poll for a new connection

            var connection = pollConnection();

            if (connection != null) 

            {

                   // alert ("Connection from " + connection.host);

                    m_cConnection =  connection;

                   readRequestFromClient();

            }

    }

}

function pollConnection()

{

    alert("pollConnection");

   var connection = null;

   while ((connection =tcp.poll())== null && flag) 

    $.sleep (1000);

   return  connection;

}

function readRequestFromClient()

{

    alert("readRequestFromClient");

    while (flag)

    {

      info = m_cConnection.read();

      alert ("info is :" + info); 

      if (info == "EXIT")

      {

          closeConnection();

          if (demon)

            { 

                var connection = pollConnection();

                if (connection != null) 

                {

                    m_cConnection =  connection;

                    continue;

                  }

            }else

            {

                return;

                

                }

      }

      if (info == "" || info == null)

      {

      $.sleep (500);

      continue;

      }

      

      doSometing(info);

        break;

    }

}

function responseToClient(info)

{

    alert("responseToClient");

  if(m_cConnection != null)

  {

      m_cConnection.writeln(info);

      readRequestFromClient();

     // m_cConnection.close();

     // delete m_cConnection;

  }else{

      alert("m_cConnection == null");

      }

}

function closeConnection()

{

     alert("closeConnection");

  if(m_cConnection != null)

  {

     m_cConnection.close();

     delete m_cConnection;

  }

}    

function stopServer()

{

    flag = false;

}

var m_cConnection = null;

var btPS = new BridgeTalk;

btPS.target = "photoshop";

function runscriptViaPS(script)

{

    alert("runscriptViaPS: "+ script);

    btPS.body = script;

    btPS.onResult = function (resObj)

    {

        alert("runscriptViaPS results: "+resObj.body );

        doc = eval(resObj.body);

        if(doc == false)

        {

            

          responseToClient("Failt to  runscriptViaPS")

        }    

        else

        {

            alert("runscriptViaPS successfully");

          //alert("sendCreateDocoPS successfully");

          responseToClient("runscriptViaPS successfully");

        }

    }

    btPS.send();

}

startServer(1234);

Python code piece:

# Echo server program

import socket

import time                

HOST = '127.0.0.1'                 # Symbolic name meaning the local host

PORT = 1234              # Arbitrary non-privileged port

createDocviaPS = "runscriptViaPS(\" var doc = app.documents.add(800, 600, 2, \\\"docRef\\\", NewDocumentMode.RGB); var r =(doc != null); r.toSource();\")";

saveAsJPGviaPS = "runscriptViaPS(\"var thistimestamp = Math.round(new Date().getTime() / 1000); 

saveFile = new File(\\\"Z:/geometrixx/test/1.jpg\\\" );saveOptions = new JPEGSaveOptions();  saveOptions.embedColorProfile = true;saveOptions.formatOptions = FormatOptions.STANDARDBASELINE;saveOptions.matte = MatteType.NONE;saveOptions.quality = 9;var doc=app.activeDocument.saveAs(saveFile, saveOptions,true,Extension.LOWERCASE);var r =(doc != null); r.toSource();\")";

EXIT = "EXIT";

def startServer():

    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    s.bind((HOST, PORT))

    s.listen(1)

    conn, addr = s.accept()

    print 'Connected by', addr

    while 1:

      data = conn.recv(1024)

      if not data: break

      conn.send(data)

      print 'Received', repr(data);

    conn.close()

    pass

                                                            

def startClient():

    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    s.connect((HOST, PORT));

    #msg = raw_input().rstrip( '\n' )

    msg = createDocviaPS;

    s.send(msg);

    data = s.recv(1024);

    print 'Received', repr(data);

    #time.sleep(400);

    msg = saveAsJPGviaPS;

    s.send(msg);

    data = s.recv(1024);

    print 'Received', repr(data);

    s.send(EXIT);

    s.close()

    pass

startClient();

""""

# Echo client program

import socket

HOST = 'daring.cwi.nl'    # The remote host

PORT = 50007              # The same port as used by the server

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect((HOST, PORT))

s.send('Hello, world')

data = s.recv(1024)

s.close()

print 'Received', repr(data)

"""