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annotate bin/effecteval @ 1140:3f7de54de79e

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on songeffects page, show effect labels Ignore-this: 5a0c30c44ac8faef7482b8a2436de4d0
author drewp@bigasterisk.com
date Sat, 14 Jun 2014 07:27:20 +0000
parents d8b25edf6c74
children a232bc895568
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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, time, traceback, 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, Submaster, dmxclient
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13 from light9.curvecalc.curve import CurveResource
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14 from light9.effecteval.effect import EffectNode
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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, RDF, RDFS
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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.write(open("light9/effecteval/effect.html").read())
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27 def delete(self):
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28 graph = self.settings.graph
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29 uri = URIRef(self.get_argument('uri'))
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30 with graph.currentState(tripleFilter=(None, L9['effect'], uri)) as g:
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31 song = ctx = list(g.subjects(L9['effect'], uri))[0]
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32 self.settings.graph.patch(Patch(delQuads=[
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33 (song, L9['effect'], uri, ctx),
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34 ]))
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35
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36 class SongEffects(PrettyErrorHandler, cyclone.web.RequestHandler):
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37 def post(self):
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38 song = URIRef(self.get_argument('uri'))
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39 dropped = URIRef(self.get_argument('drop'))
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40 ctx = song
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41 graph = self.settings.graph
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42 effect = graph.sequentialUri(song + "/effect-")
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43 quads = [
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44 (song, L9['effect'], effect, ctx),
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45 (effect, RDF.type, L9['Effect'], ctx),
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46 ]
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47
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48 with graph.currentState(
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49 tripleFilter=(dropped, None, None)) as g:
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50 droppedTypes = list(g.objects(dropped, RDF.type))
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51 droppedLabel = g.label(dropped)
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52 droppedCodes = list(g.objects(dropped, L9['code']))
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53
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54 if L9['EffectClass'] in droppedTypes:
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55 quads.extend([
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56 (effect, RDFS.label, droppedLabel, ctx),
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57 (effect, RDF.type, dropped, ctx),
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58 ] + [(effect, L9['code'], c, ctx) for c in droppedCodes])
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59 elif L9['Submaster'] in droppedTypes:
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60 curve = graph.sequentialUri(song + "/curve-")
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61 cr = CurveResource(graph, curve)
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62 cr.newCurve(ctx, label=Literal('sub %s' % droppedLabel))
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63 cr.saveCurve()
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64 quads.extend([
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65 (song, L9['curve'], curve, ctx),
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66 (effect, L9['code'],
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67 Literal('out = %s * %s' % (dropped.n3(), curve.n3())),
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68 ctx),
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69 ])
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70 else:
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71 raise NotImplementedError(
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72 "don't know how to add an effect from %r (types=%r)" %
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73 (dropped, droppedTypes))
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74
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75 graph.patch(Patch(addQuads=quads))
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76
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77 class SongEffectsUpdates(cyclone.websocket.WebSocketHandler):
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78 def connectionMade(self, *args, **kwargs):
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79 self.graph = self.settings.graph
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80 self.graph.addHandler(self.updateClient)
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81
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82 def updateClient(self):
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83 # todo: abort if client is gone
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84 playlist = self.graph.value(showconfig.showUri(), L9['playList'])
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85 songs = list(self.graph.items(playlist))
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86 out = []
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87 for s in songs:
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88 out.append({'uri': s, 'label': self.graph.label(s)})
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89 out[-1]['effects'] = [{'uri': uri, 'label': self.graph.label(uri)} for uri in sorted(self.graph.objects(s, L9['effect']))]
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90 self.sendMessage({'songs': out})
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91
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92
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93 class EffectUpdates(cyclone.websocket.WebSocketHandler):
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94 """
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95 stays alive for the life of the effect page
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96 """
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97 def connectionMade(self, *args, **kwargs):
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98 log.info("websocket opened")
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99 self.uri = URIRef(self.get_argument('uri'))
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100 self.sendMessage({'hello': repr(self)})
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101
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102 self.graph = self.settings.graph
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103 self.graph.addHandler(self.updateClient)
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104
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105 def updateClient(self):
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106 # todo: if client has dropped, abort and don't get any more
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107 # graph updates
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108
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109 # EffectNode knows how to put them in order. Somehow this is
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110 # not triggering an update when the order changes.
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111 en = EffectNode(self.graph, self.uri)
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112 codeLines = [c.code for c in en.codes]
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113 self.sendMessage({'codeLines': codeLines})
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114
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115 def connectionLost(self, reason):
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116 log.info("websocket closed")
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117
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118 def messageReceived(self, message):
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119 log.info("got message %s" % message)
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120 # write a patch back to the graph
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121
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122 def replaceObjects(graph, c, s, p, newObjs):
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123 patch = graph.getObjectPatch(
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124 context=c,
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125 subject=s,
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126 predicate=p,
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127 newObject=newObjs[0])
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128
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129 moreAdds = []
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130 for line in newObjs[1:]:
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131 moreAdds.append((s, p, line, c))
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132 fullPatch = Patch(delQuads=patch.delQuads,
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133 addQuads=patch.addQuads + moreAdds)
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134 graph.patch(fullPatch)
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135
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136
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137 class Code(PrettyErrorHandler, cyclone.web.RequestHandler):
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138 def put(self):
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139 effect = URIRef(self.get_argument('uri'))
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140 codeLines = []
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141 for i in itertools.count(0):
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142 k = 'codeLines[%s][text]' % i
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143 v = self.get_argument(k, None)
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144 if v is not None:
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145 codeLines.append(Literal(v))
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146 else:
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147 break
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148 if not codeLines:
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149 log.info("no codelines received on PUT /code")
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150 return
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151 with self.settings.graph.currentState(
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152 tripleFilter=(None, L9['effect'], effect)) as g:
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153 song = g.subjects(L9['effect'], effect).next()
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154
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155 replaceObjects(self.settings.graph, song, effect, L9['code'], codeLines)
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156
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157 # right here we could tell if the code has a python error and return it
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158 self.send_error(202)
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159
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160 class EffectEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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161 @inlineCallbacks
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162 def get(self):
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163 # return dmx list for that effect
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164 uri = URIRef(self.get_argument('uri'))
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165 response = yield cyclone.httpclient.fetch(
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166 networking.musicPlayer.path('time'))
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167 songTime = json.loads(response.body)['t']
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168
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169 node = EffectNode(self.settings.graph, uri)
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170 outSub = node.eval(songTime)
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171 self.write(json.dumps(outSub.get_dmx_list()))
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172
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173
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174 # Completely not sure where the effect background loop should
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175 # go. Another process could own it, and get this request repeatedly:
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176 class SongEffectsEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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177 def get(self):
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178 song = URIRef(self.get_argument('song'))
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179 effects = effectsForSong(self.settings.graph, song)
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180 raise NotImplementedError
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181 self.write(maxDict(effectDmxDict(e) for e in effects))
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182 # return dmx dict for all effects in the song, already combined
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183
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184 class App(object):
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185 def __init__(self, show, outputWhere):
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186 self.show = show
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187 self.outputWhere = outputWhere
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188 self.graph = SyncedGraph(networking.rdfdb.url, "effectEval")
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189 self.graph.initiallySynced.addCallback(self.launch)
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190
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191 self.stats = scales.collection('/',
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192 scales.PmfStat('sendLevels'),
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193 scales.PmfStat('getMusic'),
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194 scales.PmfStat('evals'),
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195 scales.PmfStat('sendOutput'),
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196 scales.IntStat('errors'),
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197 )
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198
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199 def launch(self, *args):
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200 self.loop = makeEffectLoop(self.graph, self.stats, self.outputWhere)
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201 self.loop.startLoop()
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202
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203 SFH = cyclone.web.StaticFileHandler
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204 self.cycloneApp = cyclone.web.Application(handlers=[
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205 (r'/()', SFH,
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206 {'path': 'light9/effecteval', 'default_filename': 'index.html'}),
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207 (r'/effect', EffectEdit),
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208 (r'/(websocket\.js)', SFH, {'path': 'light9/rdfdb/web/'}),
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209 (r'/effect\.js', StaticCoffee, {'src': 'light9/effecteval/effect.coffee'}),
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210 (r'/index\.js', StaticCoffee, {'src': 'light9/effecteval/index.coffee'}),
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211 (r'/effectUpdates', EffectUpdates),
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212 (r'/code', Code),
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213 (r'/songEffectsUpdates', SongEffectsUpdates),
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214 (r'/static/(.*)', SFH, {'path': 'static/'}),
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215 (r'/effect/eval', EffectEval),
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216 (r'/songEffects', SongEffects),
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217 (r'/songEffects/eval', SongEffectsEval),
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218 (r'/stats', StatsForCyclone),
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219 ], debug=True, graph=self.graph, stats=self.stats)
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220 reactor.listenTCP(networking.effectEval.port, self.cycloneApp)
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221 log.info("listening on %s" % networking.effectEval.port)
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222
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223 class StaticCoffee(PrettyErrorHandler, cyclone.web.RequestHandler):
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224 def initialize(self, src):
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225 super(StaticCoffee, self).initialize()
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226 self.src = src
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227 def get(self):
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228 self.set_header('Content-Type', 'application/javascript')
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229 self.write(subprocess.check_output([
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230 '/usr/bin/coffee', '--compile', '--print', self.src]))
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231
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232
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233 if __name__ == "__main__":
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234 parser = optparse.OptionParser()
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235 parser.add_option('--show',
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236 help='show URI, like http://light9.bigasterisk.com/show/dance2008',
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237 default=showconfig.showUri())
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238 parser.add_option("-v", "--verbose", action="store_true",
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239 help="logging.DEBUG")
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240 parser.add_option("--twistedlog", action="store_true",
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241 help="twisted logging")
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242 parser.add_option("--output", metavar="WHERE", help="dmx or leds")
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243 (options, args) = parser.parse_args()
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244 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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245
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246 if not options.show:
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247 raise ValueError("missing --show http://...")
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248
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249 app = App(URIRef(options.show), options.output)
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250 if options.twistedlog:
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251 from twisted.python import log as twlog
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252 twlog.startLogging(sys.stderr)
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253 reactor.run()