kopia lustrzana https://github.com/jbruce12000/kiln-controller
310 wiersze
9.4 KiB
Python
Executable File
310 wiersze
9.4 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import sys
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import logging
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import json
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import bottle
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import gevent
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import geventwebsocket
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#from bottle import post, get
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from gevent.pywsgi import WSGIServer
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from geventwebsocket.handler import WebSocketHandler
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from geventwebsocket import WebSocketError
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try:
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sys.dont_write_bytecode = True
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import config
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sys.dont_write_bytecode = False
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except:
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print ("Could not import config file.")
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print ("Copy config.py.EXAMPLE to config.py and adapt it for your setup.")
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exit(1)
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logging.basicConfig(level=config.log_level, format=config.log_format)
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log = logging.getLogger("kiln-controller")
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log.info("Starting kiln controller")
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script_dir = os.path.dirname(os.path.realpath(__file__))
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sys.path.insert(0, script_dir + '/lib/')
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profile_path = config.kiln_profiles_directory
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from oven import SimulatedOven, RealOven, Profile
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from ovenWatcher import OvenWatcher
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from ovenDisplay import OvenDisplay
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app = bottle.Bottle()
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if config.simulate == True:
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log.info("this is a simulation")
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oven = SimulatedOven()
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else:
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log.info("this is a real kiln")
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oven = RealOven()
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ovenWatcher = OvenWatcher(oven)
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ovenDisplay = OvenDisplay(oven, ovenWatcher, config.display_sleep_time)
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# this ovenwatcher is used in the oven class for restarts
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oven.set_ovenwatcher(ovenWatcher)
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@app.route('/')
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def index():
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return bottle.redirect('/picoreflow/index.html')
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@app.get('/api/stats')
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def handle_api():
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log.info("/api/stats command received")
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if hasattr(oven,'pid'):
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if hasattr(oven.pid,'pidstats'):
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return json.dumps(oven.pid.pidstats)
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@app.post('/api')
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def handle_api():
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log.info("/api is alive")
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# run a kiln schedule
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if bottle.request.json['cmd'] == 'run':
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wanted = bottle.request.json['profile']
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log.info('api requested run of profile = %s' % wanted)
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# start at a specific minute in the schedule
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# for restarting and skipping over early parts of a schedule
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startat = 0;
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if 'startat' in bottle.request.json:
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startat = bottle.request.json['startat']
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# get the wanted profile/kiln schedule
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profile = find_profile(wanted)
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if profile is None:
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return { "success" : False, "error" : "profile %s not found" % wanted }
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# FIXME juggling of json should happen in the Profile class
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profile_json = json.dumps(profile)
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profile = Profile(profile_json)
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oven.run_profile(profile,startat=startat)
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ovenWatcher.record(profile)
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if bottle.request.json['cmd'] == 'stop':
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log.info("api stop command received")
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oven.abort_run()
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if bottle.request.json['cmd'] == 'memo':
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log.info("api memo command received")
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memo = bottle.request.json['memo']
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log.info("memo=%s" % (memo))
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# get stats during a run
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if bottle.request.json['cmd'] == 'stats':
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log.info("api stats command received")
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if hasattr(oven,'pid'):
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if hasattr(oven.pid,'pidstats'):
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return json.dumps(oven.pid.pidstats)
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return { "success" : True }
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def find_profile(wanted):
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'''
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given a wanted profile name, find it and return the parsed
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json profile object or None.
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'''
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#load all profiles from disk
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profiles = get_profiles_json()
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json_profiles = json.loads(profiles)
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# find the wanted profile
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for profile in json_profiles:
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if profile['name'] == wanted:
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return profile
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return None
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@app.route('/picoreflow/:filename#.*#')
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def send_static(filename):
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log.debug("serving %s" % filename)
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return bottle.static_file(filename, root=os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])), "public"))
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def get_websocket_from_request():
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env = bottle.request.environ
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wsock = env.get('wsgi.websocket')
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if not wsock:
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abort(400, 'Expected WebSocket request.')
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return wsock
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@app.route('/control')
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def handle_control():
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wsock = get_websocket_from_request()
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log.info("websocket (control) opened")
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while True:
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try:
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message = wsock.receive()
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if message:
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log.info("Received (control): %s" % message)
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msgdict = json.loads(message)
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if msgdict.get("cmd") == "RUN":
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log.info("RUN command received")
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profile_obj = msgdict.get('profile')
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if profile_obj:
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profile_json = json.dumps(profile_obj)
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profile = Profile(profile_json)
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oven.run_profile(profile)
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ovenWatcher.record(profile)
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elif msgdict.get("cmd") == "SIMULATE":
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log.info("SIMULATE command received")
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#profile_obj = msgdict.get('profile')
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#if profile_obj:
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# profile_json = json.dumps(profile_obj)
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# profile = Profile(profile_json)
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#simulated_oven = Oven(simulate=True, time_step=0.05)
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#simulation_watcher = OvenWatcher(simulated_oven)
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#simulation_watcher.add_observer(wsock)
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#simulated_oven.run_profile(profile)
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#simulation_watcher.record(profile)
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elif msgdict.get("cmd") == "STOP":
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log.info("Stop command received")
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oven.abort_run()
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except WebSocketError as e:
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log.error(e)
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break
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log.info("websocket (control) closed")
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@app.route('/storage')
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def handle_storage():
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wsock = get_websocket_from_request()
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log.info("websocket (storage) opened")
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while True:
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try:
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message = wsock.receive()
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if not message:
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break
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log.debug("websocket (storage) received: %s" % message)
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try:
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msgdict = json.loads(message)
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except:
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msgdict = {}
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if message == "GET":
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log.info("GET command received")
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wsock.send(get_profiles_json())
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elif msgdict.get("cmd") == "DELETE":
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log.info("DELETE command received")
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profile_obj = msgdict.get('profile')
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if delete_profile(profile_obj):
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msgdict["resp"] = "OK"
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wsock.send(json.dumps(msgdict))
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#wsock.send(get_profiles_json())
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elif msgdict.get("cmd") == "PUT":
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log.info("PUT command received")
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profile_obj = msgdict.get('profile')
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#force = msgdict.get('force', False)
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force = True
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if profile_obj:
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#del msgdict["cmd"]
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if save_profile(profile_obj, force):
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msgdict["resp"] = "OK"
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else:
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msgdict["resp"] = "FAIL"
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log.debug("websocket (storage) sent: %s" % message)
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wsock.send(json.dumps(msgdict))
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wsock.send(get_profiles_json())
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except WebSocketError:
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break
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log.info("websocket (storage) closed")
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@app.route('/config')
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def handle_config():
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wsock = get_websocket_from_request()
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log.info("websocket (config) opened")
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while True:
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try:
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message = wsock.receive()
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wsock.send(get_config())
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except WebSocketError:
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break
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log.info("websocket (config) closed")
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@app.route('/status')
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def handle_status():
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wsock = get_websocket_from_request()
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ovenWatcher.add_observer(wsock)
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log.info("websocket (status) opened")
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while True:
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try:
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message = wsock.receive()
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wsock.send("Your message was: %r" % message)
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except WebSocketError:
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break
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log.info("websocket (status) closed")
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def get_profiles():
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try:
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profile_files = os.listdir(profile_path)
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except:
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profile_files = []
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profiles = []
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for filename in profile_files:
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with open(os.path.join(profile_path, filename), 'r') as f:
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profiles.append(json.load(f))
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return profiles
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def get_profiles_json():
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return json.dumps(get_profiles())
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def update_profiles():
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ovenDisplay.update_profiles(get_profiles())
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def save_profile(profile, force=False):
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profile_json = json.dumps(profile)
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filename = profile['name']+".json"
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filepath = os.path.join(profile_path, filename)
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if not force and os.path.exists(filepath):
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log.error("Could not write, %s already exists" % filepath)
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return False
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with open(filepath, 'w+') as f:
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f.write(profile_json)
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f.close()
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log.info("Wrote %s" % filepath)
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update_profiles()
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return True
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def delete_profile(profile):
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profile_json = json.dumps(profile)
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filename = profile['name']+".json"
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filepath = os.path.join(profile_path, filename)
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os.remove(filepath)
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log.info("Deleted %s" % filepath)
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update_profiles()
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return True
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def get_config():
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return json.dumps({"temp_scale": config.temp_scale,
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"time_scale_slope": config.time_scale_slope,
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"time_scale_profile": config.time_scale_profile,
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"kwh_rate": config.kwh_rate,
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"currency_type": config.currency_type})
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def main():
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ip = "0.0.0.0"
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port = config.listening_port
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log.info("listening on %s:%d" % (ip, port))
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update_profiles()
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server = WSGIServer((ip, port), app,
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handler_class=WebSocketHandler)
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server.serve_forever()
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if __name__ == "__main__":
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main()
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