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more of the fixed add-to-song service Ignore-this: 44b96a929b79ab201a80a6914b117f9d
author Drew Perttula <drewp@bigasterisk.com>
date Tue, 23 May 2017 06:58:02 +0000
parents 104ff4606565
children 1ba1d46a70a2
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1 #!bin/python
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2 from __future__ import division
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3 from run_local import log
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4 from twisted.internet import reactor
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5 from twisted.internet.defer import inlineCallbacks, returnValue
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6 import cyclone.web, cyclone.websocket, cyclone.httpclient
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7 import sys, optparse, logging, subprocess, json, itertools
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8 from rdflib import URIRef, Literal
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9
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10 sys.path.append('/usr/lib/pymodules/python2.7/') # for numpy, on rpi
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11 sys.path.append('/usr/lib/python2.7/dist-packages') # For numpy
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12 from light9 import networking, showconfig
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13 from light9.effecteval.effect import EffectNode
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14 from light9.effect.edit import getMusicStatus, songEffectPatch
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15 from light9.effecteval.effectloop import makeEffectLoop
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16 from light9.greplin_cyclone import StatsForCyclone
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17 from light9.namespaces import L9
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18 from light9.rdfdb.patch import Patch
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19 from light9.rdfdb.syncedgraph import SyncedGraph
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20 from greplin import scales
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21
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22 from lib.cycloneerr import PrettyErrorHandler
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23
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24 class EffectEdit(PrettyErrorHandler, cyclone.web.RequestHandler):
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25 def get(self):
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26 self.set_header('Content-Type', 'text/html')
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27 self.write(open("light9/effecteval/effect.html").read())
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28 def delete(self):
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29 graph = self.settings.graph
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30 uri = URIRef(self.get_argument('uri'))
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31 with graph.currentState(tripleFilter=(None, L9['effect'], uri)) as g:
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32 song = ctx = list(g.subjects(L9['effect'], uri))[0]
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33 self.settings.graph.patch(Patch(delQuads=[
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34 (song, L9['effect'], uri, ctx),
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35 ]))
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36
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37 @inlineCallbacks
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38 def currentSong():
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39 s = (yield getMusicStatus())['song']
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40 if s is None:
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41 raise ValueError("no current song")
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42 returnValue(URIRef(s))
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43
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44 class SongEffects(PrettyErrorHandler, cyclone.web.RequestHandler):
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45 def wideOpenCors(self):
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46 self.set_header('Access-Control-Allow-Origin', '*')
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47 self.set_header('Access-Control-Allow-Methods', 'GET, PUT, POST, DELETE, OPTIONS')
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48 self.set_header('Access-Control-Max-Age', '1000')
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49 self.set_header('Access-Control-Allow-Headers', 'Content-Type, Authorization, X-Requested-With')
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50
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51 def options(self):
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52 self.wideOpenCors()
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53 self.write('')
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54
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55 @inlineCallbacks
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56 def post(self):
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57 self.wideOpenCors()
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58 dropped = URIRef(self.get_argument('drop'))
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59
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60 try:
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61 song = URIRef(self.get_argument('uri'))
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62 except Exception: # which?
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63 song = yield currentSong()
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64
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65 event = self.get_argument('event', default='default')
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66
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67 log.info("adding to %s", song)
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68
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69 p = yield songEffectPatch(self.settings.graph, dropped, song, event, ctx=song)
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70 self.settings.graph.patch(p)
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71
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72 class SongEffectsUpdates(cyclone.websocket.WebSocketHandler):
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73 def connectionMade(self, *args, **kwargs):
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74 self.graph = self.settings.graph
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75 self.graph.addHandler(self.updateClient)
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76
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77 def updateClient(self):
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78 # todo: abort if client is gone
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79 playlist = self.graph.value(showconfig.showUri(), L9['playList'])
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80 songs = list(self.graph.items(playlist))
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81 out = []
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82 for s in songs:
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83 out.append({'uri': s, 'label': self.graph.label(s)})
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84 out[-1]['effects'] = [{'uri': uri, 'label': self.graph.label(uri)} for uri in sorted(self.graph.objects(s, L9['effect']))]
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85 self.sendMessage({'songs': out})
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86
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87
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88 class EffectUpdates(cyclone.websocket.WebSocketHandler):
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89 """
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90 stays alive for the life of the effect page
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91 """
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92 def connectionMade(self, *args, **kwargs):
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93 log.info("websocket opened")
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94 self.uri = URIRef(self.get_argument('uri'))
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95 self.sendMessage({'hello': repr(self)})
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96
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97 self.graph = self.settings.graph
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98 self.graph.addHandler(self.updateClient)
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99
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100 def updateClient(self):
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101 # todo: if client has dropped, abort and don't get any more
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102 # graph updates
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103
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104 # EffectNode knows how to put them in order. Somehow this is
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105 # not triggering an update when the order changes.
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106 en = EffectNode(self.graph, self.uri)
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107 codeLines = [c.code for c in en.codes]
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108 self.sendMessage({'codeLines': codeLines})
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109
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110 def connectionLost(self, reason):
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111 log.info("websocket closed")
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112
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113 def messageReceived(self, message):
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114 log.info("got message %s" % message)
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115 # write a patch back to the graph
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116
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117 def replaceObjects(graph, c, s, p, newObjs):
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118 patch = graph.getObjectPatch(
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119 context=c,
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120 subject=s,
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121 predicate=p,
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122 newObject=newObjs[0])
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123
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124 moreAdds = []
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125 for line in newObjs[1:]:
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126 moreAdds.append((s, p, line, c))
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127 fullPatch = Patch(delQuads=patch.delQuads,
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128 addQuads=patch.addQuads + moreAdds)
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129 graph.patch(fullPatch)
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130
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131
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132 class Code(PrettyErrorHandler, cyclone.web.RequestHandler):
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133 def put(self):
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134 effect = URIRef(self.get_argument('uri'))
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135 codeLines = []
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136 for i in itertools.count(0):
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137 k = 'codeLines[%s][text]' % i
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138 v = self.get_argument(k, None)
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139 if v is not None:
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140 codeLines.append(Literal(v))
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141 else:
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142 break
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143 if not codeLines:
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144 log.info("no codelines received on PUT /code")
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145 return
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146 with self.settings.graph.currentState(
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147 tripleFilter=(None, L9['effect'], effect)) as g:
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148 song = g.subjects(L9['effect'], effect).next()
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149
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150 replaceObjects(self.settings.graph, song, effect, L9['code'], codeLines)
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151
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152 # right here we could tell if the code has a python error and return it
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153 self.send_error(202)
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154
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155 class EffectEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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156 @inlineCallbacks
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157 def get(self):
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158 # return dmx list for that effect
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159 uri = URIRef(self.get_argument('uri'))
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160 response = yield cyclone.httpclient.fetch(
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161 networking.musicPlayer.path('time'))
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162 songTime = json.loads(response.body)['t']
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163
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164 node = EffectNode(self.settings.graph, uri)
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165 outSub = node.eval(songTime)
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166 self.write(json.dumps(outSub.get_dmx_list()))
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167
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168
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169 # Completely not sure where the effect background loop should
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170 # go. Another process could own it, and get this request repeatedly:
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171 class SongEffectsEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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172 def get(self):
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173 song = URIRef(self.get_argument('song'))
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174 effects = effectsForSong(self.settings.graph, song)
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175 raise NotImplementedError
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176 self.write(maxDict(effectDmxDict(e) for e in effects))
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177 # return dmx dict for all effects in the song, already combined
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178
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179 class App(object):
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180 def __init__(self, show, outputWhere):
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181 self.show = show
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182 self.outputWhere = outputWhere
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183 self.graph = SyncedGraph(networking.rdfdb.url, "effectEval")
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184 self.graph.initiallySynced.addCallback(self.launch).addErrback(log.error)
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185
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186 self.stats = scales.collection('/',
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187 scales.PmfStat('sendLevels'),
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188 scales.PmfStat('getMusic'),
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189 scales.PmfStat('evals'),
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190 scales.PmfStat('sendOutput'),
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191 scales.IntStat('errors'),
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192 )
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193
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194 def launch(self, *args):
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195 log.info('launch')
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196 if self.outputWhere:
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197 self.loop = makeEffectLoop(self.graph, self.stats, self.outputWhere)
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198 self.loop.startLoop()
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199
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200 SFH = cyclone.web.StaticFileHandler
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201 self.cycloneApp = cyclone.web.Application(handlers=[
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202 (r'/()', SFH,
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203 {'path': 'light9/effecteval', 'default_filename': 'index.html'}),
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204 (r'/effect', EffectEdit),
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205 (r'/effect\.js', StaticCoffee, {'src': 'light9/effecteval/effect.coffee'}),
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206 (r'/(effect-components\.html)', SFH, {'path': 'light9/effecteval'}),
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207 (r'/effectUpdates', EffectUpdates),
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208 (r'/code', Code),
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209 (r'/songEffectsUpdates', SongEffectsUpdates),
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210 (r'/effect/eval', EffectEval),
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211 (r'/songEffects', SongEffects),
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212 (r'/songEffects/eval', SongEffectsEval),
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213 (r'/stats', StatsForCyclone),
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214 ],
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215 debug=True,
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216 graph=self.graph,
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217 stats=self.stats)
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218 reactor.listenTCP(networking.effectEval.port, self.cycloneApp)
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219 log.info("listening on %s" % networking.effectEval.port)
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220
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221 class StaticCoffee(PrettyErrorHandler, cyclone.web.RequestHandler):
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222 def initialize(self, src):
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223 super(StaticCoffee, self).initialize()
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224 self.src = src
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225 def get(self):
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226 self.set_header('Content-Type', 'application/javascript')
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227 self.write(subprocess.check_output([
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228 '/usr/bin/coffee', '--compile', '--print', self.src]))
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229
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230
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231 if __name__ == "__main__":
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232 parser = optparse.OptionParser()
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233 parser.add_option('--show',
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234 help='show URI, like http://light9.bigasterisk.com/show/dance2008',
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235 default=showconfig.showUri())
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236 parser.add_option("-v", "--verbose", action="store_true",
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237 help="logging.DEBUG")
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238 parser.add_option("--twistedlog", action="store_true",
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239 help="twisted logging")
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240 parser.add_option("--output", metavar="WHERE", help="dmx or leds")
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241 (options, args) = parser.parse_args()
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242 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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243
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244 if not options.show:
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245 raise ValueError("missing --show http://...")
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246
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247 app = App(URIRef(options.show), options.output)
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248 if options.twistedlog:
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249 from twisted.python import log as twlog
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250 twlog.startLogging(sys.stderr)
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251 reactor.run()