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annotate service/reasoning/actions.py @ 1047:e3d77b7f16ca

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rearrange Actions Ignore-this: abd7b4dbaa1e83f071ae898b78344068 darcs-hash:84c6fae3fc79b2ecc0556a2dc1362add830c2998
author drewp <drewp@bigasterisk.com>
date Tue, 02 Feb 2016 01:52:29 -0800
parents a328cc370b22
children b0089d1ca4f6
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1 from rdflib import URIRef, Namespace, RDF, Literal
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2 import logging
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3 import urllib
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4
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5 from cyclone.httpclient import fetch
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6 log = logging.getLogger('output')
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7 log.setLevel(logging.WARN)
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8
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9 ROOM = Namespace("http://projects.bigasterisk.com/room/")
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10 DEV = Namespace("http://projects.bigasterisk.com/device/")
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11
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12 class Actions(object):
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13 def __init__(self, sendToLiveClients):
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14 self.sendToLiveClients = sendToLiveClients
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15
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16 def putResults(self, deviceGraph, inferred):
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17 """
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18 some conclusions in the inferred graph lead to PUT requests
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19 getting made
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20
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21 if the graph contains (?d ?p ?o) and ?d and ?p are a device
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22 and predicate we support PUTs for, then we look up
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23 (?d :putUrl ?url) and (?o :putValue ?val) and call
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24 PUT ?url <- ?val
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25
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26 If the graph doesn't contain any matches, we use (?d
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27 :zeroValue ?val) for the value and PUT that.
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28 """
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29
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30 self._oneShotPostActions(deviceGraph, inferred)
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31 for dev, pred in [
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32 # the config of each putUrl should actually be in the
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33 # context of a dev and predicate pair, and then that would
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34 # be the source of this list
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35 #(DEV.theaterDoorLock, ROOM.state),
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36 #(URIRef('http://bigasterisk.com/host/bang/monitor'), ROOM.powerState),
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37 (URIRef('http://bigasterisk.com/host/dash/monitor'), ROOM.powerState),
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38 (URIRef('http://projects.bigasterisk.com/room/storageCeilingLedLong'), ROOM.brightness),
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39 (URIRef('http://projects.bigasterisk.com/room/storageCeilingLedCross'), ROOM.brightness),
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40 ]:
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41 url = deviceGraph.value(dev, ROOM.putUrl)
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42
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43 if url and dev == DEV.theaterDoorLock: # ew
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44 self._put(url+"/mode", payload="output")
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45
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46 inferredObjects = list(inferred.objects(dev, pred))
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47 if len(inferredObjects) == 0:
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48 self._putZero(deviceGraph, dev, pred, url)
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49 elif len(inferredObjects) == 1:
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50 self._putInferred(deviceGraph, url, inferredObjects[0])
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51 elif len(inferredObjects) > 1:
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52 log.info("conflict, ignoring: %s has %s of %s" %
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53 (dev, pred, inferredObjects))
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54 # write about it to the inferred graph?
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55
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56 #self._frontDoorPuts(deviceGraph, inferred)
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57
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58 def _oneShotPostActions(self, deviceGraph, inferred):
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59 """
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60 Inferred graph may contain some one-shot statements. We'll send
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61 statement objects to anyone on web sockets, and also generate
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62 POST requests as described in the graph.
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63
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64 one-shot statement ?s ?p ?o
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65 with this in the graph:
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66 ?osp a :OneShotPost
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67 ?osp :subject ?s
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68 ?osp :predicate ?p
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69 this will cause a post to ?o
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70 """
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71 # nothing in this actually makes them one-shot yet. they'll
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72 # just fire as often as we get in here, which is not desirable
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73 log.info("_oneShotPostActions")
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74 def err(e):
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75 log.warn("post %s failed", postTarget)
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76 for osp in deviceGraph.subjects(RDF.type, ROOM['OneShotPost']):
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77 s = deviceGraph.value(osp, ROOM['subject'])
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78 p = deviceGraph.value(osp, ROOM['predicate'])
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79 if s is None or p is None:
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80 continue
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81 for postTarget in inferred.objects(s, p):
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82 log.info("post target %r", postTarget)
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83 # this packet ought to have 'oneShot' in it somewhere
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84 self.sendToLiveClients({"s":s, "p":p, "o":postTarget})
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85
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86 log.info(" POST %s", postTarget)
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87 fetch(postTarget, method="POST", timeout=2).addErrback(err)
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88 self._postMpdCommands(inferred)
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89
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90 def _postMpdCommands(self, inferred):
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91 """special case to be eliminated. mpd play urls are made of an
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92 mpd service and a song/album/playlist uri to be played.
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93 Ideally the graph rules would assemble these like
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94 http://{mpd}/addAndPlay?uri={toPlay} or maybe toPlay as the payload
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95 which would be fairly general but still allow toPlay uris to
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96 be matched with any player."""
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97
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98 rootSkippingAuth = "http://brace:9009/"
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99 for mpd in [URIRef("http://bigasterisk.com/host/brace/mpd")]:
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100
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101 for song in inferred.objects(mpd, ROOM['startMusic']):
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102 log.info("mpd statement: %r" % song)
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103 assert song.startswith('http://bigasterisk.com/music/')
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104 self.post(rootSkippingAuth + "addAndPlay" + urllib.quote(song[len("http://bigasterisk.com/music"):]))
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105
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106 for state in inferred.objects(mpd, ROOM['playState']):
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107 log.info('hello playstate %s', state)
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108 if state == ROOM['pause']:
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109 log.info("mpd %s %s", mpd, state)
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110 self.post(rootSkippingAuth + "mpd/pause")
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111 for vol in inferred.objects(mpd, ROOM['audioState']):
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112 if vol == ROOM['volumeStepUp']:
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113 self.post(rootSkippingAuth + "volumeAdjust?amount=6&max=70")
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114 if vol == ROOM['volumeStepDown']:
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115 self.post(rootSkippingAuth + "volumeAdjust?amount=-6&min=10")
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116
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117
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118 def _frontDoorPuts(self, deviceGraph, inferred):
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119 # todo: shouldn't have to be a special case
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120 brt = inferred.value(DEV.frontDoorLcd, ROOM.brightness)
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121 if brt is None:
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122 return
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123 url = deviceGraph.value(DEV.frontDoorLcdBrightness, ROOM.putUrl)
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124 log.info("put lcd %s brightness %s", url, brt)
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125 self._put(str(url) + "?brightness=%s" % str(brt), payload='')
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126
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127 msg = "open %s motion %s" % (
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128 inferred.value(DEV['frontDoorOpenIndicator'], ROOM.text),
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129 inferred.value(DEV['frontDoorMotionIndicator'], ROOM.text))
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130 # this was meant to be 2 chars in the bottom row, but the
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131 # easier test was to replace the whole top msg
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132 #restkit.Resource("http://slash:9080/").put("lcd", message=msg)
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133
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134
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135
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136
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137 def _put(self, url, payload):
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138 def err(e):
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139 log.warn(" put %s failed (%r)", url, e)
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140 log.info(" PUT %s payload=%r", url, payload)
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141 fetch(url, method="PUT", postdata=payload, timeout=2).addErrback(err)
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142
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143 def post(self, postTarget):
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144 log.info("special mpd POST %s", postTarget)
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145 def err(e):
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146 log.warn("post %s failed", postTarget)
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147 fetch(postTarget, method="POST", timeout=2).addErrback(err)
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148
1045
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149 def _putZero(self, deviceGraph, dev, pred, putUrl):
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150 # zerovalue should be a function of pred as well.
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151 value = deviceGraph.value(dev, ROOM.zeroValue)
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152 if value is not None:
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153 log.info("put zero (%r) to %s", value, putUrl)
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154 self._put(putUrl, payload=str(value))
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155 # this should be written back into the inferred graph
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156 # for feedback
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157
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158 def _putInferred(self, deviceGraph, putUrl, obj):
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159 """
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160 HTTP PUT to putUrl, with a payload that's either obj's :putValue
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161 or obj itself.
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162 """
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163 value = deviceGraph.value(obj, ROOM.putValue)
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164 if value is not None:
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165 log.info("put %s to %s", value, putUrl)
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166 self._put(putUrl, payload=str(value))
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167 elif isinstance(obj, Literal):
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168 log.info("put %s to %s", obj, putUrl)
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169 self._put(putUrl, payload=str(obj))
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170 else:
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171 log.warn("don't know what payload to put for %s. obj=%r",
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172 putUrl, obj)