server.py

from bottle import Bottle, run, post, request, redirect
import wiringpi as wp

app = Bottle()
state = 0
stdict = {0:"turn off", 1:"turn on"}
wp.wiringPiSetupGpio()
wp.pinMode(2, 1)

@app.route('/')
def handle():
    global state
    state = not(state)
    return """<form action="/" method="post">
                    <input name="lednextstate" value={} type="hidden" />
                    <input value={} type="submit" />
              </form>""".format(state ,stdict[state])


@app.route('/', method='POST')
def lchika():
    lednextstate = int(request.forms.get('lednextstate'))
    wp.digitalWrite(2, lednextstate)
    print(stdict[lednextstate])
    redirect('/')


run(app, host='192.168.11.24', port=8080)