clicker_server/server.py

from clicker_control import clicker_manager
from http import server
from threading import Thread
from urllib.parse import urlparse,parse_qs
import argparse
import json

class handler(server.BaseHTTPRequestHandler):
    def do_POST(self):
        params = parse_qs(urlparse(self.path).query)
        action = params['action'][0]
        print(action)
        ret = {}
        if action == 'on':
            self.server.manager.turn_on()
            ret['status'] = 'on'
        elif action == 'off':
            self.server.manager.turn_off()
            ret['status'] = 'off'
        elif action == 'toggle':
            self.server.manager.toggle()
            if self.server.manager.on:
                ret['status'] = 'on'
            else:
                ret['status'] = 'off'
        elif action == 'kill':
            self.server.manager.kill()
            self.send_response(204)
            self.end_headers()
            print('server being killed')
            self.server.serve = False
            return
        elif action == 'set':
            try:
                state = params['state'][0]
                assert(state in ('on','off'))
                self.server.manager.on = state == 'on'
                resp='Toggle state set to {}'.format(state).encode()
                self.send_response(201)
                self.end_headers()
                self.wfile.write(resp)
                return
            except AssertionError:
                self.send_response(400)
                self.end_headers()
                resp = "State must either be `on` or `off`".encode()
                self.wfile.write(resp)
                return
            except KeyError:
                self.send_response(400)
                self.end_headers()
                resp = "No state specified".encode()
                self.wfile.write(resp)
        else:
            self.send_response(400)
            self.end_headers()
            resp = "Action not recognized".encode()
            self.wfile.write(resp)
            return
        self.send_response(201)
        self.end_headers()
        resp = json.dumps(ret).encode()
        self.wfile.write(resp)

class clicker_server(server.HTTPServer):
    def __init__(self,location):
        self.manager = clicker_manager()
        self.serve = True
        super().__init__(location,handler)

    def serve_forever(self):
        while self.serve:
            self.handle_request()
        self.socket.close()

def start_server(hostname,port):
    httpd = clicker_server((hostname,args.port))
    httpd.serve_forever()

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument('-p','--port',type=int,default=5138)
    args = parser.parse_args()
    start_server('localhost',args.port)