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1 #!/usr/bin/env python2.7 |
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2 |
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3 import sys |
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4 import os |
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5 import gevent |
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6 |
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7 import utils |
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8 |
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9 class Tempserver(object): |
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10 def __init__(self): |
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11 self.readings = [] |
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12 self.current = (None, None, None) |
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13 |
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14 self.start_time = utils.monotonic_time() |
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15 |
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16 self.fridge = fridge.Fridge(self) |
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17 self.fridge.start() |
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18 |
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19 self.set_sensors(sensor_ds18b20.DS18B20s(self)) |
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20 |
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21 def set_sensors(self, sensors): |
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22 if self.hasattr(self, 'sensors'): |
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23 self.sensors.kill() |
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24 self.sensors = sensors |
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25 self.wort_name = sensors.wort_name() |
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26 self.fridge_name = sensors.fridge_name() |
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27 self.sensor_names = sensors.sensor_names() |
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28 |
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29 def take_readings(self): |
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30 ret = self.readings |
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31 self.readings = [] |
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32 return ret |
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33 |
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34 def pushfront(self, readings): |
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35 """ used if a caller of take_readings() fails """ |
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36 self.readings = pushback + self.readings |
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37 |
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38 # a reading is a map of {sensorname: value}. temperatures |
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39 # are float degrees |
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40 def add_reading(self, reading): |
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41 """ adds a reading at the current time """ |
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42 self.readings.append( (reading, utils.monotonic_time())) |
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43 self.current = (reading.get(self.wort_name, None), |
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44 reading.get(self.fridge_name, None)) |
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45 |
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46 def current_temps(self): |
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47 """ returns (wort_temp, fridge_temp) tuple """ |
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48 return current |
