74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# Heater sensor temperature storage
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#
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# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import logging
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from collections import deque
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from tornado.ioloop import IOLoop, PeriodicCallback
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TEMPERATURE_UPDATE_MS = 1000
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TEMPERATURE_STORE_SIZE = 20 * 60
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class TemperatureStore:
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def __init__(self, server):
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self.server = server
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# Temperature Store Tracking
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self.last_temps = {}
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self.temperature_store = {}
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self.temp_update_cb = PeriodicCallback(
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self._update_temperature_store, TEMPERATURE_UPDATE_MS)
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# Register status update event
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self.server.register_event_handler(
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"server:status_update", self._set_current_temps)
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self.server.register_event_handler(
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"server:refresh_temp_sensors", self._init_sensors)
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# Register endpoint
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self.server.register_endpoint(
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"/server/temperature_store", "server_temperature_store", ['GET'],
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self._handle_temp_store_request)
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def _init_sensors(self, sensors):
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logging.info("Configuring available sensors: %s" % (str(sensors)))
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new_store = {}
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for sensor in sensors:
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if sensor in self.temperature_store:
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new_store[sensor] = self.temperature_store[sensor]
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else:
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new_store[sensor] = {
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'temperatures': deque(maxlen=TEMPERATURE_STORE_SIZE),
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'targets': deque(maxlen=TEMPERATURE_STORE_SIZE)}
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self.temperature_store = new_store
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self.temp_update_cb.start()
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# XXX - spawn a callback that requests temperature updates?
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def _set_current_temps(self, data):
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for sensor in self.temperature_store:
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if sensor in data:
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self.last_temps[sensor] = (
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round(data[sensor].get('temperature', 0.), 2),
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data[sensor].get('target', 0.))
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def _update_temperature_store(self):
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# XXX - If klippy is not connected, set values to zero
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# as they are unknown?
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for sensor, (temp, target) in self.last_temps.items():
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self.temperature_store[sensor]['temperatures'].append(temp)
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self.temperature_store[sensor]['targets'].append(target)
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async def _handle_temp_store_request(self, path, method, args):
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store = {}
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for name, sensor in self.temperature_store.items():
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store[name] = {k: list(v) for k, v in sensor.items()}
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return store
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async def close(self):
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self.temp_update_cb.stop()
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def load_plugin(server):
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return TemperatureStore(server)
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