ti-powerbar/app/views.py

from flask import render_template, Blueprint, make_response
from app.settings import powerbars
from flask import abort
import telnetlib


routes = Blueprint('routes', __name__)

def vaild_power_bar(powerbar):
    if powerbar in powerbars:
        return True
    else:
        return False

def vaild_outlet (powerbar, outlet):
    if outlet in powerbars[powerbar]['outlets']:
        return True
    else:
        return False

@routes.route('/')
def home():  
    print(powerbars)
    return "hello world"


@routes.route('/powerbar_control/<string:powerbar>/<int:outlet>/<string:action>')

def powerbar_control(powerbar, outlet, action):  
    print(f"powerbar: {powerbar}")
    print(f"outlet: {outlet}")
    print(f"action: {action}")

    if not action in ['on', 'off', 'cycle']:
        print("Invalid action")
        abort(404)

    if not vaild_power_bar(powerbar):
        print("Invalid powerbar")
        abort(404)

    if not vaild_outlet(powerbar, outlet):
        print("Invalid outlet")
        abort(404)

    if action == 'on':
        try:
            print(f"Turning on powerbar {powerbar} outlet {outlet}")
            tn = telnetlib.Telnet(powerbars[powerbar]['host'], powerbars[powerbar]['port'])
            tn.write(f"on {outlet}\r\n".encode('ascii'))
            tn.close()
            print(f"Turned on powerbar {powerbar} outlet {outlet}")
        except Exception as e:
            print(f"Telnet error: {e}")
            abort(500)

    if action == 'off':
        try:
            print(f"Turning off powerbar {powerbar} outlet {outlet}")
            tn = telnetlib.Telnet(powerbars[powerbar]['host'], powerbars[powerbar]['port'])
            tn.write(f"off {outlet}\r\n".encode('ascii'))
            tn.close()
            print(f"Turned off powerbar {powerbar} outlet {outlet}")
        except Exception as e:
            print(f"Telnet error: {e}")
            abort(500)
   
    return "200"