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annotate service/environment/environment.py @ 876:351292938d7c

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twilight computation for rules to use Ignore-this: c40016acb3c3f957cb17d2b918698c77 darcs-hash:20130411043221-312f9-7af02fd32d1df6a01f151753150d2e4ff87a59c0
author drewp <drewp@bigasterisk.com>
date Wed, 10 Apr 2013 21:32:21 -0700
parents 9e99114dde57
children 86345d1d8514
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1 #!/usr/bin/python
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2 """
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3 return some rdf about the environment, e.g. the current time,
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4 daytime/night, overall modes like 'maintenance mode', etc
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5
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6 """
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7 import sys, datetime, cyclone.web
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8 from twisted.internet import reactor
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9 from dateutil.tz import tzlocal
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10 from dateutil.relativedelta import relativedelta, FR
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11 from rdflib import Namespace, Literal
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12 sys.path.append("/my/site/magma")
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13 from stategraph import StateGraph
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14 sys.path.append("/my/proj/homeauto/lib")
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15 from cycloneerr import PrettyErrorHandler
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16 from twilight import isWithinTwilight
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17
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18 ROOM = Namespace("http://projects.bigasterisk.com/room/")
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19 DEV = Namespace("http://projects.bigasterisk.com/device/")
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20
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21 class Index(PrettyErrorHandler, cyclone.web.RequestHandler):
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22 def get(self):
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23 self.write('this is envgraph: <a href="graph">rdf</a>')
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24
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25 class GraphHandler(PrettyErrorHandler, cyclone.web.RequestHandler):
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26 def get(self):
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27 g = StateGraph(ROOM.environment)
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28 now = datetime.datetime.now(tzlocal())
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29
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30 g.add((DEV.environment, ROOM.localHour, Literal(now.hour)))
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31
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32 for offset in range(-12, 7):
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33 d = now.date() + datetime.timedelta(days=offset)
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34 if d == d + relativedelta(day=31, weekday=FR(-1)):
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35 g.add((DEV.calendar, ROOM.daysToLastFridayOfMonth,
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36 Literal(offset)))
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37
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38 g.add((DEV.calendar, ROOM.twilight,
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39 ROOM['withinTwilight'] if isWithinTwilight(now) else ROOM['daytime']))
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40
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41 self.set_header('Content-type', 'application/x-trig')
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42 self.write(g.asTrig())
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43
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44 class Application(cyclone.web.Application):
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45 def __init__(self):
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46 handlers = [
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47 (r"/", Index),
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48 (r'/graph', GraphHandler),
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49 ]
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50 cyclone.web.Application.__init__(self, handlers)
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51
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52 if __name__ == '__main__':
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53 reactor.listenTCP(9075, Application())
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54 reactor.run()