If it won't be simple, it simply won't be. [Hire me, source code] by Miki Tebeka, CEO, 353Solutions

Thursday, February 12, 2009

twiver


A Twitter search client the updates every 10min.

#!/usr/bin/env python

from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from urlparse import urlparse
from urllib2 import urlopen
from operator import itemgetter
from rfc822 import parsedate_tz
from time import strftime
import re
from functools import partial

try:
import json
except ImportError:
import simplejson as json

HTML = '''
<html>
<head>
<title>Twiver - Refreshing Twitter Search</title>
<style>
h2 {
font-variant: small-caps;
}
table#results {
border: 1px solid black;
width: 100%;
}
table#results tr:hover {
background: silver;
}
span#updated {
font-family: Monospace;
}
</style>
</head>
<body>
<h2>Twiver - Refreshing Twitter Search</h2>
Query: <input id="query" size="60" /> <button id="run">Go</button>
<table id="results">
</table>
<span id="updated"></span>
<hr />
By <a href="mailto:miki.tebeka@gmail.com">Miki</a>
</body>
<script src="jquery.js"></script>
<script>
var running = 0;

function handle_result(data) {
if (!running) {
return;
}

var table = $('#results');
table.empty();
$.each(data, function (i, text) {
var tr = $('<tr><td>' + text + '</td></tr>');
table.append(tr);
});
$('#updated').html('Updated: ' + new Date());

setTimeout(update, 10 * 1000);
}

function update() {
var query = $.trim($('#query').val());
url = '/search?q=' + query;
$.getJSON(url, handle_result);
}

function run() {
var button = $('#run');
if (button.text() == "Go") {
var query = $.trim($('#query').val());
/* FIXME: The best way will be to disable the button until there
is text
*/
if (query.length == 0) {
alert("Please enter *something*");
return;
}
button.text("Stop");
running = 1;
update();
}
else {
running = 0;
button.text("Go");
}
}

function on_ready()
{
$('#run').click(run);
}
$(document).ready(on_ready);
</script>
</html>
'''

def format_time(time):
# Wed, 11 Feb 2009 00:10:36 +0000
time = parsedate_tz(time)
return strftime("%m/%d/%Y %H:%M", time[:9])

# 'http://mikitebeka.com' ->
# '<a href="http://mikitebeka.com">http://mikitebeka.com</a>'
inject_links = partial(
re.compile("(http://[^ ]+)").sub,
"<a target=\"_new\" href=\"\\1\">\\1</a>")

def format_result(result):
time = format_time(result["created_at"])
text = inject_links(result["text"])
return "[%s] %s" % (time, text)

class RequestHandler(BaseHTTPRequestHandler):
def do_GET(self):
if self.path == "/":
self.wfile.write(HTML)
elif self.path.startswith("/search"):
self.updates()
elif self.path.endswith(".js"):
self.wfile.write(open(".%s" % self.path).read())
else:
self.send_error(404, "Not Found")

def updates(self):
o = urlparse(self.path)
url = "http://search.twitter.com/search.json?" + o.query
data = urlopen(url).read()
obj = json.loads(data)
results = map(format_result, obj["results"])
self.wfile.write(json.dumps(results))

if __name__ == "__main__":
server = HTTPServer(("", 8888), RequestHandler)
server.serve_forever()
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