107 lines
2.4 KiB
Python
107 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""
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A hub for controlling IOT devices.
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"""
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import os
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import re
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import copy
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import json
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from aiohttp import web, WSMsgType
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import jinja2
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import aiohttp_jinja2
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from aiohttp_jinja2 import render_template
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import uvloop
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import requests
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import config
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import events
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import models
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import buckler_aiohttp
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from tools import make_error
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from models import network
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uvloop.install()
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routes = web.RouteTableDef()
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@routes.get('/', name='index')
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async def index(request):
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"""The index page."""
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init_state = {}
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for device in network:
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if device.type != "RelayDevice":
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continue
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device_state = {}
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for sub_dev in device.sub_devices:
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device_state[sub_dev.id] = sub_dev.state
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init_state[device.id] = device_state
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d = {'network': network, 'init_state': init_state, 'request': request}
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return render_template('index.html', request, d)
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@routes.get('/ws', name='ws')
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async def websocket_handler(request):
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"""The websocket endpoint."""
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ws = web.WebSocketResponse(heartbeat=30)
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ws_ready = ws.can_prepare(request)
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if not ws_ready.ok:
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return web.Response(text="Cannot start websocket.")
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await ws.prepare(request)
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request.app['websockets'].append(ws)
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async for msg in ws:
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if msg.type != WSMsgType.TEXT:
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break
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try:
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data = json.loads(msg.data)
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except json.JSONDecodeError:
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break
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event = data.get('event')
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if not event or event not in events.events.keys():
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break
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await events.events[event](request, ws, data.get('data'))
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await ws.close()
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request.app['websockets'].remove(ws)
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return ws
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def html_color(color):
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"""Converts a decimal color code to HTML format."""
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html_color = "#"
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for i in range(3):
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html_color += hex(color[i])[2:].zfill(2)
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return html_color
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async def send_json_all(self, d):
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"""Sends to all connected websockets."""
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for ws in self['websockets']:
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await ws.send_json(d)
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async def init_app():
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"""Initializes the application."""
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web.Application.send_json_all = send_json_all
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app = web.Application(middlewares=[buckler_aiohttp.buckler_session])
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aiohttp_jinja2.setup(
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app,
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trim_blocks=True,
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lstrip_blocks=True,
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undefined=jinja2.StrictUndefined,
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loader=jinja2.FileSystemLoader('templates'),
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filters={'html_color': html_color},
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)
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app['websockets'] = []
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app.router.add_routes(routes)
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app_wrap = web.Application()
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app_wrap.add_subapp(config.url_prefix, app)
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return app_wrap
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if __name__ == "__main__":
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app = init_app()
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aiohttp.web.run_app(app, host='0.0.0.0', port=5300)
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