gistfile1.py

def render(view, data = None):
    current_dir = os.path.dirname(__file__)
    path = os.path.abspath(
        os.path.join(current_dir, '..', 'views', '%s.html' % view)
    )
    if not os.path.exists(path):
        return '404 - view not found!'
    if data is None:
        data = {}
    return template.render(path, data)

def view(view_name):
    def decorator(f):
        def decorated_function(*args, **kwargs):
            self = args[0]
            data = f(*args, **kwargs)
            self.out(render(view_name, data))
        return decorated_function
    return decorator

class MainHandler(BaseHandler):
    @view('index')
    def get(self):
        return {
            'login' : users.CreateLoginURL('.')
        }