'GET renders form for spawning with user-specified options'

@web.authenticated
def get(self):

    user = self.get_current_user()
    if ((not self.allow_named_servers) and user.running):
        url = user.url
        self.log.debug('User    is    running:    %s', url)
        self.redirect(url)
        return
    if user.spawner.options_form:
        self.finish(self._render_form())
    else:
        self.redirect(user.url)
