Django and Comet

Posted on27 December 2007.

Arena Albionu has written about Django and Comet using the Orbited Python event driven comet server.

The article walks through the hello world of Comet... a chat server. The JavaScript looks like this:

JAVASCRIPT:

function processGetPost()
{
var myajax=ajaxpack.ajaxobj
var myfiletype=ajaxpack.filetype
if (myajax.readyState == 4)
{ //if request of file completed
if (myajax.status==200 || window.location.href.indexOf("http")==-1)
{ //if request was successful or running script locally
if (myfiletype=="txt")
alert(myajax.responseText)
else
alert(myajax.responseXML)
}
}
}
function connect()
{
var nick = document.getElementById('nickname').value;
Orbited.connect(chat_event, nick, "/chat", "0");
ajaxpack.getAjaxRequest("/join/" + nick + "/", "", processGetPost, "txt");
}
chat_event = function(data) {
var chat_box = document.getElementById('box');
var div = window.parent.document.createElement('div');
div.className = "event";
div.innerHTML = data;
chat_box.appendChild(div);
chat_box.scrollTop = chat_box.scrollHeight;
}
function send_msg() {
var msg = document.getElementById('chat').value;
var nick = document.getElementById('nickname').value;
ajaxpack.getAjaxRequest("/send/" + nick + "/" + msg + "/", "", processGetPost, "txt");
}