annotate py/tempserver.py @ 439:31ac84425a2d

python raspberry pi rewrite
author Matt Johnston <matt@ucc.asn.au>
date Mon, 19 Nov 2012 22:46:34 +0800
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children 0895f5ad7731
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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()
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17 self.fridge.run(self)
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18
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19
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20 def take_readings(self):
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21 ret = self.readings
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22 self.readings = []
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23 return ret
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24
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25 def pushfront(self, readings):
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26 """ used if a caller of take_readings() fails """
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27 self.readings = pushback + self.readings
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28
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29 def add_reading(self, reading):
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30 """ adds a reading at the current time """
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31 self.readings.append( (reading, utils.monotonic_time()))
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32
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33 def current_temps(self):
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34 """ returns (wort_temp, fridge_temp, ambient_temp) tuple """
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35 return current
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36
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37 def set_current(self, wort, fridge, ambient):
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38 current = (wort, fridge, ambient)
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39
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40 def uptime(self):
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41 return utils.monotonic_time() - self.start_time()
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42
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43 def now(self):
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44 return utils.monotonic_time()
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45
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46 def spawn_timer(seconds, fn, *args, **kwargs):
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47 def loop():
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48 while True:
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49 fn(*args, **kwargs)
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50 gevent.sleep(seconds)
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51 return gevent.spawn(loop)
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52
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53 def setup():
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54 pass
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55
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56 def main():
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57 setup()
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58
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59 def p(x):
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60 print "hello %s" % x
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61
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62 spawn_timer(2, p, 'one')
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63
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64 gevent.sleep(20)
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65
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66
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67 if __name__ == '__main__':
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68 main()