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annotate bin/effecteval @ 2019:a6045f11198d

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don't show a misleading TL cursor when we're viewing a song that's not the playing one Ignore-this: 33928b4331aa09f2191b6d45e4e163a
author drewp@bigasterisk.com
date Mon, 10 Jun 2019 23:22:06 +0000
parents f66dbe512025
children 9aa046cc9b33
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!bin/python
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2
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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, json, itertools
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8 from rdflib import URIRef, Literal
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9
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10 from light9 import networking, showconfig
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11 from light9.effecteval.effect import EffectNode
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12 from light9.effect.edit import getMusicStatus, songNotePatch
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13 from light9.effecteval.effectloop import makeEffectLoop
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14 from greplin.scales.cyclonehandler import StatsHandler
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15 from light9.namespaces import L9
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16 from rdfdb.patch import Patch
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17 from rdfdb.syncedgraph import SyncedGraph
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18 from greplin import scales
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19 from standardservice.scalessetup import gatherProcessStats
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20
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21 from cycloneerr import PrettyErrorHandler
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22 from light9.coffee import StaticCoffee
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23
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24 gatherProcessStats()
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25
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26
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27 class EffectEdit(PrettyErrorHandler, cyclone.web.RequestHandler):
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28
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29 def get(self):
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30 self.set_header('Content-Type', 'text/html')
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31 self.write(open("light9/effecteval/effect.html").read())
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32
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33 def delete(self):
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34 graph = self.settings.graph
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35 uri = URIRef(self.get_argument('uri'))
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36 with graph.currentState(tripleFilter=(None, L9['effect'], uri)) as g:
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37 song = ctx = list(g.subjects(L9['effect'], uri))[0]
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38 self.settings.graph.patch(
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39 Patch(delQuads=[
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40 (song, L9['effect'], uri, ctx),
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41 ]))
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42
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43
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44 @inlineCallbacks
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45 def currentSong():
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46 s = (yield getMusicStatus())['song']
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47 if s is None:
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48 raise ValueError("no current song")
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49 returnValue(URIRef(s))
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50
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51
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52 class SongEffects(PrettyErrorHandler, cyclone.web.RequestHandler):
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53
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54 def wideOpenCors(self):
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55 self.set_header('Access-Control-Allow-Origin', '*')
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56 self.set_header('Access-Control-Allow-Methods',
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57 'GET, PUT, POST, DELETE, OPTIONS')
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58 self.set_header('Access-Control-Max-Age', '1000')
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59 self.set_header('Access-Control-Allow-Headers',
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60 'Content-Type, Authorization, X-Requested-With')
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61
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62 def options(self):
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63 self.wideOpenCors()
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64 self.write('')
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65
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66 @inlineCallbacks
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67 def post(self):
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68 self.wideOpenCors()
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69 dropped = URIRef(self.get_argument('drop'))
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70
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71 try:
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72 song = URIRef(self.get_argument('uri'))
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73 except Exception: # which?
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74 song = yield currentSong()
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75
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76 event = self.get_argument('event', default='default')
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77
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78 note = self.get_argument('note', default=None)
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79 if note is not None:
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80 note = URIRef(note)
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81
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82 log.info("adding to %s", song)
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83 note, p = yield songNotePatch(self.settings.graph,
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84 dropped,
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85 song,
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86 event,
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87 ctx=song,
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88 note=note)
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89
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90 self.settings.graph.patch(p)
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91 self.settings.graph.suggestPrefixes(song, {'song': URIRef(song + '/')})
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92 self.write(json.dumps({'note': note}))
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93
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94
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95 class SongEffectsUpdates(cyclone.websocket.WebSocketHandler):
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96
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97 def connectionMade(self, *args, **kwargs):
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98 self.graph = self.settings.graph
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99 self.graph.addHandler(self.updateClient)
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100
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101 def updateClient(self):
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102 # todo: abort if client is gone
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103 playlist = self.graph.value(showconfig.showUri(), L9['playList'])
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104 songs = list(self.graph.items(playlist))
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105 out = []
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106 for s in songs:
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107 out.append({'uri': s, 'label': self.graph.label(s), 'effects': []})
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108 seen = set()
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109 for n in self.graph.objects(s, L9['note']):
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110 for uri in self.graph.objects(n, L9['effectClass']):
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111 if uri in seen:
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112 continue
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113 seen.add(uri)
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114 out[-1]['effects'].append({
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115 'uri': uri,
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116 'label': self.graph.label(uri)
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117 })
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118 out[-1]['effects'].sort(key=lambda e: e['uri'])
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119
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120 self.sendMessage({'songs': out})
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121
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122
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123 class EffectUpdates(cyclone.websocket.WebSocketHandler):
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124 """
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125 stays alive for the life of the effect page
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126 """
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127
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128 def connectionMade(self, *args, **kwargs):
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129 log.info("websocket opened")
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130 self.uri = URIRef(self.get_argument('uri'))
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131 self.sendMessage({'hello': repr(self)})
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132
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133 self.graph = self.settings.graph
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134 self.graph.addHandler(self.updateClient)
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135
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136 def updateClient(self):
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137 # todo: if client has dropped, abort and don't get any more
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138 # graph updates
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139
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140 # EffectNode knows how to put them in order. Somehow this is
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141 # not triggering an update when the order changes.
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142 en = EffectNode(self.graph, self.uri)
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143 codeLines = [c.code for c in en.codes]
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144 self.sendMessage({'codeLines': codeLines})
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145
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146 def connectionLost(self, reason):
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147 log.info("websocket closed")
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148
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149 def messageReceived(self, message):
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150 log.info("got message %s" % message)
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151 # write a patch back to the graph
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152
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153
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154 def replaceObjects(graph, c, s, p, newObjs):
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155 patch = graph.getObjectPatch(context=c,
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156 subject=s,
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157 predicate=p,
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158 newObject=newObjs[0])
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159
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160 moreAdds = []
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161 for line in newObjs[1:]:
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162 moreAdds.append((s, p, line, c))
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163 fullPatch = Patch(delQuads=patch.delQuads,
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164 addQuads=patch.addQuads + moreAdds)
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165 graph.patch(fullPatch)
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166
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167
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168 class Code(PrettyErrorHandler, cyclone.web.RequestHandler):
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169
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170 def put(self):
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171 effect = URIRef(self.get_argument('uri'))
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172 codeLines = []
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173 for i in itertools.count(0):
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174 k = 'codeLines[%s][text]' % i
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175 v = self.get_argument(k, None)
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176 if v is not None:
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177 codeLines.append(Literal(v))
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178 else:
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179 break
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180 if not codeLines:
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181 log.info("no codelines received on PUT /code")
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182 return
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183 with self.settings.graph.currentState(tripleFilter=(None, L9['effect'],
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184 effect)) as g:
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185 song = next(g.subjects(L9['effect'], effect))
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186
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187 replaceObjects(self.settings.graph, song, effect, L9['code'], codeLines)
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188
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189 # right here we could tell if the code has a python error and return it
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190 self.send_error(202)
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191
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192
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193 class EffectEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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194
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195 @inlineCallbacks
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196 def get(self):
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197 # return dmx list for that effect
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198 uri = URIRef(self.get_argument('uri'))
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199 response = yield cyclone.httpclient.fetch(
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200 networking.musicPlayer.path('time'))
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201 songTime = json.loads(response.body)['t']
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202
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203 node = EffectNode(self.settings.graph, uri)
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204 outSub = node.eval(songTime)
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205 self.write(json.dumps(outSub.get_dmx_list()))
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206
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207
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208 # Completely not sure where the effect background loop should
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209 # go. Another process could own it, and get this request repeatedly:
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210 class SongEffectsEval(PrettyErrorHandler, cyclone.web.RequestHandler):
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211
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212 def get(self):
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213 song = URIRef(self.get_argument('song'))
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214 effects = effectsForSong(self.settings.graph, song) # noqa
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215 raise NotImplementedError
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216 self.write(maxDict(effectDmxDict(e) for e in effects)) # noqa
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217 # return dmx dict for all effects in the song, already combined
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218
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219
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220 class App(object):
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221
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222 def __init__(self, show, outputWhere):
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223 self.show = show
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224 self.outputWhere = outputWhere
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225 self.graph = SyncedGraph(networking.rdfdb.url, "effectEval")
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226 self.graph.initiallySynced.addCallback(self.launch).addErrback(
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227 log.error)
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228
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229 self.stats = scales.collection(
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230 '/',
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231 scales.PmfStat('sendLevels', recalcPeriod=1),
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232 scales.PmfStat('getMusic', recalcPeriod=1),
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233 scales.PmfStat('evals', recalcPeriod=1),
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234 scales.PmfStat('sendOutput', recalcPeriod=1),
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235 scales.IntStat('errors'),
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236 )
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237
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238 def launch(self, *args):
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239 log.info('launch')
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240 if self.outputWhere:
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241 self.loop = makeEffectLoop(self.graph, self.stats, self.outputWhere)
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242 self.loop.startLoop()
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243
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244 SFH = cyclone.web.StaticFileHandler
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245 self.cycloneApp = cyclone.web.Application(handlers=[
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246 (r'/()', SFH, {
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247 'path': 'light9/effecteval',
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248 'default_filename': 'index.html'
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249 }),
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250 (r'/effect', EffectEdit),
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251 (r'/effect\.js', StaticCoffee, {
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252 'src': 'light9/effecteval/effect.coffee'
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253 }),
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254 (r'/(effect-components\.html)', SFH, {
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255 'path': 'light9/effecteval'
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256 }),
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257 (r'/effectUpdates', EffectUpdates),
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258 (r'/code', Code),
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259 (r'/songEffectsUpdates', SongEffectsUpdates),
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260 (r'/effect/eval', EffectEval),
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261 (r'/songEffects', SongEffects),
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262 (r'/songEffects/eval', SongEffectsEval),
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263 (r'/stats/(.*)', StatsHandler, {
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264 'serverName': 'effecteval'
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265 }),
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266 ],
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267 debug=True,
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268 graph=self.graph,
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269 stats=self.stats)
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270 reactor.listenTCP(networking.effectEval.port, self.cycloneApp)
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271 log.info("listening on %s" % networking.effectEval.port)
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272
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273
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274 if __name__ == "__main__":
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275 parser = optparse.OptionParser()
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276 parser.add_option(
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277 '--show',
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278 help='show URI, like http://light9.bigasterisk.com/show/dance2008',
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279 default=showconfig.showUri())
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280 parser.add_option("-v",
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281 "--verbose",
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282 action="store_true",
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283 help="logging.DEBUG")
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284 parser.add_option("--twistedlog",
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285 action="store_true",
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286 help="twisted logging")
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287 parser.add_option("--output", metavar="WHERE", help="dmx or leds")
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288 (options, args) = parser.parse_args()
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289 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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290
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291 if not options.show:
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292 raise ValueError("missing --show http://...")
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293
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294 app = App(URIRef(options.show), options.output)
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295 if options.twistedlog:
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296 from twisted.python import log as twlog
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297 twlog.startLogging(sys.stderr)
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298 reactor.run()