103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
# Heater sensor temperature storage
|
|
#
|
|
# Copyright (C) 2020 Eric Callahan <arksine.code@gmail.com>
|
|
#
|
|
# This file may be distributed under the terms of the GNU GPLv3 license.
|
|
import logging
|
|
from collections import deque
|
|
from tornado.ioloop import IOLoop, PeriodicCallback
|
|
|
|
TEMPERATURE_UPDATE_MS = 1000
|
|
TEMPERATURE_STORE_SIZE = 20 * 60
|
|
|
|
class TemperatureStore:
|
|
def __init__(self, server):
|
|
self.server = server
|
|
|
|
# Temperature Store Tracking
|
|
self.last_temps = {}
|
|
self.temperature_store = {}
|
|
self.temp_update_cb = PeriodicCallback(
|
|
self._update_temperature_store, TEMPERATURE_UPDATE_MS)
|
|
|
|
# Register status update event
|
|
self.server.register_event_handler(
|
|
"server:status_update", self._set_current_temps)
|
|
self.server.register_event_handler(
|
|
"server:klippy_state_changed", self._init_sensors)
|
|
|
|
# Register endpoint
|
|
self.server.register_endpoint(
|
|
"/server/temperature_store", "server_temperature_store", ['GET'],
|
|
self._handle_temp_store_request)
|
|
|
|
async def _init_sensors(self, state):
|
|
if state != "ready":
|
|
return
|
|
|
|
# Fetch sensors
|
|
request = self.server.make_request(
|
|
"objects/status", 'GET', {'heaters': []})
|
|
result = await request.wait()
|
|
if isinstance(result, self.server.error):
|
|
logging.info("Error Configuring Sensors: %s" % (str(result)))
|
|
return
|
|
sensors = result.get("heaters", {}).get("available_sensors", [])
|
|
|
|
if sensors:
|
|
# Add Subscription
|
|
sub = {s: [] for s in sensors}
|
|
request = self.server.make_request(
|
|
"objects/subscription", 'POST', sub)
|
|
result = await request.wait()
|
|
if isinstance(result, self.server.error):
|
|
logging.info("Error subscribing to sensors: %s" %(str(result)))
|
|
return
|
|
logging.info("Configuring available sensors: %s" % (str(sensors)))
|
|
new_store = {}
|
|
for sensor in sensors:
|
|
if sensor in self.temperature_store:
|
|
new_store[sensor] = self.temperature_store[sensor]
|
|
else:
|
|
new_store[sensor] = {
|
|
'temperatures': deque(maxlen=TEMPERATURE_STORE_SIZE),
|
|
'targets': deque(maxlen=TEMPERATURE_STORE_SIZE)}
|
|
self.temperature_store = new_store
|
|
# Prune unconfigured sensors in self.last_temps
|
|
for sensor in list(self.last_temps.keys()):
|
|
if sensor not in self.temperature_store:
|
|
del self.last_temps[sensor]
|
|
self.temp_update_cb.start()
|
|
else:
|
|
logging.info("No sensors found")
|
|
self.last_temps = {}
|
|
self.temperature_store = {}
|
|
self.temp_update_cb.stop()
|
|
|
|
def _set_current_temps(self, data):
|
|
for sensor in self.temperature_store:
|
|
if sensor in data:
|
|
self.last_temps[sensor] = (
|
|
round(data[sensor].get('temperature', 0.), 2),
|
|
data[sensor].get('target', 0.))
|
|
|
|
|
|
def _update_temperature_store(self):
|
|
# XXX - If klippy is not connected, set values to zero
|
|
# as they are unknown?
|
|
for sensor, (temp, target) in self.last_temps.items():
|
|
self.temperature_store[sensor]['temperatures'].append(temp)
|
|
self.temperature_store[sensor]['targets'].append(target)
|
|
|
|
async def _handle_temp_store_request(self, path, method, args):
|
|
store = {}
|
|
for name, sensor in self.temperature_store.items():
|
|
store[name] = {k: list(v) for k, v in sensor.items()}
|
|
return store
|
|
|
|
async def close(self):
|
|
self.temp_update_cb.stop()
|
|
|
|
def load_plugin(server):
|
|
return TemperatureStore(server)
|