Simplest code for url shortener application with Bottle

shortener.py

import gdshortener
from bottle import route, run, request

@route('/ping')
@route('/')
def index():
    return '''
        <form action="/url_shortener" method="post">
            URL : <input name="url" type="text" />
            <input value="Convert" type="submit" />
        </form>
    '''
@route('/url_shortener', method='POST')
def url_shortener():
    s = gdshortener.ISGDShortener()
    url = s.shorten(request.forms.get('url'))[0]
    return("Short URL: <a href='" + url + "'>" + url)

def ping(name= "google.com"):
    return("Hello World!")

run(host='localhost', port=8080, debug=True)