Python Bottle server for Raspberry Pi-based IR remote control

rpiremote_server.py

#!/usr/bin/python
from bottle import post, route, request, run
import os, time
@route('/')
@route('/', method='POST')
def release_control():
    if (request.POST.get("shutter_release")):
        os.system("irsend SEND_ONCE Nikon2 shutter")
    if (request.POST.get("number")):
        i = 1
        number = int(request.forms.get('number'))
        interval = int(request.forms.get('interval'))
        while (i <= number):
            os.system("irsend SEND_ONCE Nikon2 shutter")
            time.sleep(interval)
            i = i + 1
    if (request.POST.get("shutdown")):
        os.system("sudo halt")
    return """
    <title>rpIRemote</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <form method="POST" action="/">
    <div id="content"><p><input id="btn" name="shutter_release" type="submit" value="Shutter Release"></p>
    <p>Photos: <input name="number" type="text" size="3"/> Interval: <input name="interval" type="text" size="3"/> sec.</p>
    <p><input id="btn" value="Start" type="submit" /></p>
    <p><input id="btn" class="warning" name="shutdown" value="Shutdown" type="submit" /></p>
    </form></div>
    <style>
    <link href='http://fonts.googleapis.com/css?family=Open+Sans:400,600,700' rel='stylesheet' type='text/css'>
    body {
        font: 15px/25px 'Open Sans', sans-serif;
    }
    #content {
        margin: 0px auto;
        text-align: center;
        font: 15px/25px 'Open Sans', sans-serif;
    }
    #btn {
        width: 15em;  height: 2em;
        background: #3399ff;
        border-radius: 5px;
        color: #fff;
        font-family: 'Open Sans', sans-serif; font-size: 25px; font-weight: 900;
        letter-spacing: 3px;
        border:none;
    }
    #btn.warning {
        background: #cc0000;
    }
    </style>
    """
run(host="0.0.0.0",port=8080, debug=True)