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effect page can write code edits back Ignore-this: 756a3e3a40e4a6c823629e146d6c2799
author Drew Perttula <drewp@bigasterisk.com>
date Mon, 09 Jun 2014 03:56:25 +0000
parents 1583e997fe0e
children 771f50f19b4b
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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
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8 from rdflib import URIRef, Literal
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10 sys.path.append(".")
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11 from light9 import networking, showconfig, Submaster, dmxclient
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12 from light9.curvecalc.curve import CurveResource
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13 from light9.effecteval.effect import EffectNode
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14 from light9.effecteval.effectloop import EffectLoop
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15 from light9.greplin_cyclone import StatsForCyclone
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16 from light9.namespaces import L9, RDF, RDFS
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17 from light9.rdfdb.patch import Patch
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18 from light9.rdfdb.syncedgraph import SyncedGraph
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19 from greplin import scales
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20
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21 from lib.cycloneerr import PrettyErrorHandler
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22
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23 class EffectEdit(PrettyErrorHandler, cyclone.web.RequestHandler):
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24 def get(self):
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25 self.write(open("light9/effecteval/effect.html").read())
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26 def delete(self):
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27 graph = self.settings.graph
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28 uri = URIRef(self.get_argument('uri'))
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29 with graph.currentState(tripleFilter=(None, L9['effect'], uri)) as g:
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30 song = ctx = list(g.subjects(L9['effect'], uri))[0]
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31 self.settings.graph.patch(Patch(delQuads=[
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32 (song, L9['effect'], uri, ctx),
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33 ]))
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34
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35 class SongEffects(PrettyErrorHandler, cyclone.web.RequestHandler):
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36 def post(self):
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37 song = URIRef(self.get_argument('uri'))
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38 dropped = URIRef(self.get_argument('drop'))
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39 ctx = song
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40 graph = self.settings.graph
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41 effect = graph.sequentialUri(song + "/effect-")
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42 curve = graph.sequentialUri(song + "/curve-")
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43
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44 with graph.currentState(
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45 tripleFilter=(dropped, RDFS.label, None)) as g:
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46 droppedSubLabel = g.label(dropped)
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47
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48 cr = CurveResource(graph, curve)
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49 cr.newCurve(ctx, label=Literal('sub %s' % droppedSubLabel))
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50 cr.saveCurve()
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51 graph.patch(Patch(addQuads=[
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52 (song, L9['curve'], curve, ctx),
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53 (song, L9['effect'], effect, ctx),
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54 (effect, RDF.type, L9['Effect'], ctx),
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55 (effect, L9['code'],
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56 Literal('out = sub(%s, intensity=%s)' % (dropped.n3(), curve.n3())),
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57 ctx),
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58 ]))
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59
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60
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61 class SongEffectsUpdates(cyclone.websocket.WebSocketHandler):
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62 def connectionMade(self, *args, **kwargs):
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63 self.graph = self.settings.graph
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64 self.graph.addHandler(self.updateClient)
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65
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66 def updateClient(self):
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67 # todo: abort if client is gone
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68 playlist = self.graph.value(showconfig.showUri(), L9['playList'])
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69 songs = list(self.graph.items(playlist))
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70 out = []
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71 for s in songs:
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72 out.append({'uri': s, 'label': self.graph.label(s)})
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73 out[-1]['effects'] = [{'uri': uri} for uri in sorted(self.graph.objects(s, L9['effect']))]
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74 self.sendMessage({'songs': out})
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75
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76
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77 class EffectUpdates(cyclone.websocket.WebSocketHandler):
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78 """
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79 stays alive for the life of the effect page
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80 """
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81 def connectionMade(self, *args, **kwargs):
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82 log.info("websocket opened")
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83 self.uri = URIRef(self.get_argument('uri'))
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84 self.sendMessage({'hello': repr(self)})
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85
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86 self.graph = self.settings.graph
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87 self.graph.addHandler(self.updateClient)
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88
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89 def updateClient(self):
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90 # todo: if client has dropped, abort and don't get any more
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91 # graph updates
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92 self.sendMessage({'code': self.graph.value(self.uri, L9['code'])})
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93
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94 def connectionLost(self, reason):
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95 log.info("websocket closed")
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96
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97 def messageReceived(self, message):
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98 log.info("got message %s" % message)
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99 # write a patch back to the graph
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100
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101 class Code(PrettyErrorHandler, cyclone.web.RequestHandler):
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102 def put(self):
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103 effect = URIRef(self.get_argument('uri'))
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104 code = Literal(self.get_argument('code'))
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105 with self.settings.graph.currentState(tripleFilter=(None, L9['effect'], effect)) as g:
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106 song = g.subjects(L9['effect'], effect).next()
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107 self.settings.graph.patchObject(
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108 context=song,
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109 subject=effect,
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110 predicate=L9['code'],
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111 newObject=code)
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112 self.send_error(202)
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113
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114 class EffectEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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115 @inlineCallbacks
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116 def get(self):
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117 # return dmx list for that effect
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118 uri = URIRef(self.get_argument('uri'))
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119 response = yield cyclone.httpclient.fetch(
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120 networking.musicPlayer.path('time'))
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121 songTime = json.loads(response.body)['t']
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122
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123 node = EffectNode(self.settings.graph, uri)
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124 outSub = node.eval(songTime)
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125 self.write(json.dumps(outSub.get_dmx_list()))
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126
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127
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128 # Completely not sure where the effect background loop should
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129 # go. Another process could own it, and get this request repeatedly:
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130 class SongEffectsEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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131 def get(self):
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132 song = URIRef(self.get_argument('song'))
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133 effects = effectsForSong(self.settings.graph, song)
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134 raise NotImplementedError
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135 self.write(maxDict(effectDmxDict(e) for e in effects))
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136 # return dmx dict for all effects in the song, already combined
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137
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138 class App(object):
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139 def __init__(self, show):
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140 self.show = show
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141 self.graph = SyncedGraph("effectEval")
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142 self.graph.initiallySynced.addCallback(self.launch)
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143
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144 self.stats = scales.collection('/',
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145 scales.PmfStat('sendLevels'),
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146 scales.PmfStat('getMusic'),
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147 scales.PmfStat('writeDmx'),
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148 scales.IntStat('errors'),
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149 )
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150
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151 def launch(self, *args):
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152 self.loop = EffectLoop(self.graph, self.stats)
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153
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154 SFH = cyclone.web.StaticFileHandler
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155 self.cycloneApp = cyclone.web.Application(handlers=[
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156 (r'/()', SFH,
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157 {'path': 'light9/effecteval', 'default_filename': 'index.html'}),
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158 (r'/effect', EffectEdit),
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159 (r'/(websocket\.js)', SFH, {'path': 'light9/rdfdb/web/'}),
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160 (r'/effect\.js', StaticCoffee, {'src': 'light9/effecteval/effect.coffee'}),
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161 (r'/index\.js', StaticCoffee, {'src': 'light9/effecteval/index.coffee'}),
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162 (r'/effectUpdates', EffectUpdates),
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163 (r'/code', Code),
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164 (r'/songEffectsUpdates', SongEffectsUpdates),
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165 (r'/static/(.*)', SFH, {'path': 'static/'}),
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166 (r'/effect/eval', EffectEval),
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167 (r'/songEffects', SongEffects),
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168 (r'/songEffects/eval', SongEffectsEval),
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169 (r'/stats', StatsForCyclone),
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170 ], debug=True, graph=self.graph, stats=self.stats)
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171 reactor.listenTCP(networking.effectEval.port, self.cycloneApp)
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172 log.info("listening on %s" % networking.effectEval.port)
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173
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174 class StaticCoffee(PrettyErrorHandler, cyclone.web.RequestHandler):
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175 def initialize(self, src):
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176 super(StaticCoffee, self).initialize()
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177 self.src = src
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178 def get(self):
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179 self.set_header('Content-Type', 'application/javascript')
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180 self.write(subprocess.check_output([
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181 '/usr/bin/coffee', '--compile', '--print', self.src]))
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182
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183
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184 if __name__ == "__main__":
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185 parser = optparse.OptionParser()
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186 parser.add_option('--show',
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187 help='show URI, like http://light9.bigasterisk.com/show/dance2008',
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188 default=showconfig.showUri())
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189 parser.add_option("-v", "--verbose", action="store_true",
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190 help="logging.DEBUG")
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191 parser.add_option("--twistedlog", action="store_true",
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192 help="twisted logging")
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193 (options, args) = parser.parse_args()
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194
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195 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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196
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197 if not options.show:
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198 raise ValueError("missing --show http://...")
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199
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200 app = App(URIRef(options.show))
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201 if options.twistedlog:
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202 from twisted.python import log as twlog
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203 twlog.startLogging(sys.stderr)
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204 reactor.run()