Mercurial > code > home > repos > light9
annotate bin/curvecalc @ 532:8d6f6d8a4719
clean up music client calls from curvecalc and musictime
Ignore-this: 4fd58f13cedae44ba9a21534ea127292
| author | drewp@bigasterisk.com |
|---|---|
| date | Sat, 12 Jun 2010 08:00:52 +0000 |
| parents | f2dbb0b1fb35 |
| children | ad5043f70fda |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/python |
| 2 | |
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3 """ |
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4 now launches like this: |
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5 % bin/curvecalc http://light9.bigasterisk.com/show/dance2007/song1 |
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6 |
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7 |
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8 |
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9 todo: curveview should preserve more objects, for speed maybe |
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10 |
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11 """ |
| 0 | 12 from __future__ import division |
| 505 | 13 import time,textwrap,math,random,os,optparse |
| 14 import Tix as tk | |
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15 try: |
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16 from dispatch import dispatcher |
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17 except ImportError: |
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18 import louie as dispatcher |
| 0 | 19 from twisted.internet import reactor,tksupport |
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20 import jsonlib |
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21 import twisted |
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22 from twisted.web.client import Agent |
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23 from twisted.internet.protocol import Protocol |
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24 from twisted.internet.defer import Deferred |
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25 from zope.interface import implements |
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26 from twisted.internet.defer import succeed |
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27 from twisted.web.iweb import IBodyProducer |
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28 from rdflib import Literal, URIRef, RDF, RDFS |
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29 from rdflib.Graph import Graph |
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30 import rdflib |
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31 import logging |
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32 log = logging.getLogger() |
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33 logging.basicConfig(format="%(asctime)s %(levelname)-5s %(name)s %(filename)s:%(lineno)d: %(message)s") |
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34 log.setLevel(logging.DEBUG) |
| 0 | 35 |
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36 import run_local |
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37 from light9 import Submaster, dmxclient, networking, showconfig, prof, Patch |
| 505 | 38 from light9.TLUtility import make_attributes_from_args |
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39 from light9.zoomcontrol import Zoomcontrol |
| 505 | 40 from light9.curve import Curveset, Curvesetview |
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41 from light9.wavelength import wavelength |
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42 from light9.uihelpers import toplevelat |
| 335 | 43 from light9.namespaces import L9 |
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44 import light9.Effects |
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45 |
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46 class GatherJson(Protocol): |
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47 """calls back the 'finished' deferred with the parsed json data we |
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48 received""" |
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49 def __init__(self, finished): |
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50 self.finished = finished |
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51 self.buf = "" |
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52 |
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53 def dataReceived(self, bytes): |
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54 self.buf += bytes |
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55 |
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56 def connectionLost(self, reason): |
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57 self.finished.callback(jsonlib.read(self.buf, use_float=True)) |
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58 |
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59 class StringProducer(object): |
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60 # http://twistedmatrix.com/documents/current/web/howto/client.html |
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61 implements(IBodyProducer) |
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62 |
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63 def __init__(self, body): |
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64 self.body = body |
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65 self.length = len(body) |
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66 |
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67 def startProducing(self, consumer): |
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68 consumer.write(self.body) |
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69 return succeed(None) |
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70 |
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71 def pauseProducing(self): |
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72 pass |
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73 |
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74 def stopProducing(self): |
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75 pass |
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76 |
| 0 | 77 class Music: |
| 78 def __init__(self): | |
| 79 self.recenttime=0 | |
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80 self.player = Agent(reactor) |
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81 dispatcher.connect(self.seekplay_or_pause,"music seek") |
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82 |
| 0 | 83 def current_time(self): |
| 84 """return deferred which gets called with the current time""" | |
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85 d = self.player.request("GET", networking.musicUrl() + "time") |
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86 d.addCallback(self._timeReturned) |
| 0 | 87 return d |
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88 |
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89 def _timeReturned(self, response): |
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90 done = Deferred() |
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91 done.addCallback(self._bodyReceived) |
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92 response.deliverBody(GatherJson(done)) |
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93 return done |
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94 |
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95 def _bodyReceived(self, data): |
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96 dispatcher.send("input time",val=data['t']) |
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97 return data['t'] # pass along to the real receiver |
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98 |
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99 def seekplay_or_pause(self,t): |
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100 d = self.player.request("POST", |
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101 networking.musicUrl() + "seekPlayOrPause", bodyProducer=StringProducer(jsonlib.write({"t" : t}))) |
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102 |
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103 class Expr(object): |
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104 """singleton, provides functions for use in subterm expressions, |
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105 e.g. chases""" |
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106 def __init__(self): |
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107 self.effectGlobals = light9.Effects.configExprGlobals() |
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108 |
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109 def exprGlobals(self, startDict, t): |
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110 """globals dict for use by expressions""" |
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111 |
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112 glo = startDict.copy() |
| 0 | 113 |
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114 # add in functions from Effects |
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115 glo.update(self.effectGlobals) |
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116 |
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117 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2 |
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118 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2 |
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119 glo['within'] = lambda a, b: a < t < b |
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120 glo['bef'] = lambda x: t < x |
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121 |
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122 |
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123 def smoove(x): |
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124 return -2 * (x ** 3) + 3 * (x ** 2) |
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125 glo['smoove'] = smoove |
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126 |
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127 def aft(t, x, smooth=0): |
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128 left = x - smooth / 2 |
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129 right = x + smooth / 2 |
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130 if left < t < right: |
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131 return smoove((t - left) / (right - left)) |
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132 return t > x |
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133 glo['aft'] = lambda x, smooth=0: aft(t, x, smooth) |
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134 |
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135 def chan(name): |
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136 return Submaster.Submaster( |
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137 leveldict={Patch.get_dmx_channel(name) : 1.0}, |
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138 temporary=True) |
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139 glo['chan'] = chan |
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140 |
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141 def smooth_random(speed=1): |
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142 """1 = new stuff each second, <1 is slower, fade-ier""" |
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143 x = (t * speed) % len(self._smooth_random_items) |
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144 x1 = int(x) |
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145 x2 = (int(x) + 1) % len(self._smooth_random_items) |
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146 y1 = self._smooth_random_items[x1] |
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147 y2 = self._smooth_random_items[x2] |
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148 return y1 + (y2 - y1) * ((x - x1)) |
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149 |
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150 def notch_random(speed=1): |
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151 """1 = new stuff each second, <1 is slower, notch-ier""" |
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152 x = (t * speed) % len(self._smooth_random_items) |
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153 x1 = int(x) |
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154 y1 = self._smooth_random_items[x1] |
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155 return y1 |
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156 |
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157 glo['noise'] = smooth_random |
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158 glo['notch'] = notch_random |
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159 |
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160 |
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161 |
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162 return glo |
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163 |
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164 exprglo = Expr() |
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165 |
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166 class Subexpr: |
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167 curveset = None |
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168 def __init__(self,curveset,expr=""): |
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169 self.curveset = curveset |
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170 self.lasteval = None |
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171 self.expr=expr |
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172 self._smooth_random_items = [random.random() for x in range(100)] |
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173 def eval(self,t): |
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174 if self.expr=="": |
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175 dispatcher.send("expr_error",sender=self,exc="no expr, using 0") |
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176 return 0 |
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177 glo = self.curveset.globalsdict() |
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178 glo['t'] = t |
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179 |
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180 glo = exprglo.exprGlobals(glo, t) |
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181 |
| 0 | 182 try: |
| 183 self.lasteval = eval(self.expr,glo) | |
| 184 except Exception,e: | |
| 185 dispatcher.send("expr_error",sender=self,exc=e) | |
| 186 else: | |
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187 dispatcher.send("expr_error",sender=self,exc="ok") |
| 0 | 188 return self.lasteval |
| 189 | |
| 190 def expr(): | |
| 191 doc = "python expression for level as a function of t, using curves" | |
| 192 def fget(self): | |
| 193 return self._expr | |
| 194 def fset(self, value): | |
| 195 self._expr = value | |
| 196 dispatcher("expr_changed",sender=self) | |
| 197 return locals() | |
| 198 expr = property(**expr()) | |
| 199 | |
| 200 class Subexprview(tk.Frame): | |
| 201 def __init__(self,master,se,**kw): | |
| 202 self.subexpr=se | |
| 203 tk.Frame.__init__(self,master,**kw) | |
| 204 self.evar = tk.StringVar() | |
| 212 | 205 e = self.ent = tk.Entry(self,textvariable=self.evar) |
| 206 e.pack(side='left',fill='x',exp=1) | |
| 0 | 207 self.expr_changed() |
| 208 self.evar.trace_variable('w',self.evar_changed) | |
| 209 dispatcher.connect(self.expr_changed,"expr_changed", | |
| 210 sender=self.subexpr) | |
| 212 | 211 self.error = tk.Label(self) |
| 0 | 212 self.error.pack(side='left') |
| 213 dispatcher.connect(lambda exc: self.error.config(text=str(exc)), | |
| 214 "expr_error",sender=self.subexpr,weak=0) | |
| 215 def expr_changed(self): | |
| 216 if self.subexpr.expr!=self.evar.get(): | |
| 217 self.evar.set(self.subexpr.expr) | |
| 218 def evar_changed(self,*args): | |
| 219 self.subexpr.expr = self.evar.get() | |
| 220 | |
| 221 class Subterm: | |
| 222 """one Submaster and its Subexpr""" | |
|
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223 def __init__(self, submaster, subexpr): |
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224 make_attributes_from_args('submaster', 'subexpr') |
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225 def scaled(self, t): |
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226 subexpr_eval = self.subexpr.eval(t) |
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227 # we prevent any exceptions from escaping, since they cause us to |
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228 # stop sending levels |
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229 try: |
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230 if isinstance(subexpr_eval, Submaster.Submaster): |
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231 # if the expression returns a submaster, just return it |
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232 return subexpr_eval |
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233 else: |
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234 # otherwise, return our submaster multiplied by the value |
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235 # returned |
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236 return self.submaster * subexpr_eval |
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237 except Exception, e: |
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238 dispatcher.send("expr_error", sender=self.subexpr, exc=str(e)) |
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239 return Submaster.Submaster('Error: %s' % str(e), temporary=True) |
| 0 | 240 |
|
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241 def __repr__(self): |
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242 return "<Subterm %s %s>" % (self.submaster, self.subexpr) |
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243 |
| 0 | 244 class Subtermview(tk.Frame): |
|
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245 def __init__(self, master, graph, st, **kw): |
| 0 | 246 self.subterm = st |
| 247 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw) | |
|
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248 l = tk.Label(self, |
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249 text="sub %s" % graph.label(self.subterm.submaster.uri)) |
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250 l.pack(side='left') |
| 0 | 251 sev=Subexprview(self,self.subterm.subexpr) |
| 252 sev.pack(side='left',fill='both',exp=1) | |
| 253 | |
| 254 class Output: | |
|
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255 lastsendtime=0 |
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256 lastsendlevs=None |
| 505 | 257 def __init__(self, subterms, music): |
|
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258 make_attributes_from_args('subterms','music') |
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259 |
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260 self.recent_t=[] |
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261 self.later = None |
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262 |
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263 self.update() |
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264 |
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265 def update(self): |
| 505 | 266 d = self.music.current_time() |
|
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267 d.addCallback(self.update2) |
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268 d.addErrback(self.updateerr) |
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269 |
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270 def updateerr(self,e): |
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271 |
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272 print e.getTraceback() |
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273 dispatcher.send("update status",val=e.getErrorMessage()) |
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274 if self.later and not self.later.cancelled and not self.later.called: |
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275 self.later.cancel() |
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276 self.later = reactor.callLater(1,self.update) |
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277 |
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278 def update2(self,t): |
|
326
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279 # spot alsa soundcard offset is always 0, we get times about a |
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280 # second ahead of what's really getting played |
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281 #t = t - .7 |
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282 |
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283 dispatcher.send("update status", |
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284 val="ok: receiving time from music player") |
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285 if self.later and not self.later.cancelled and not self.later.called: |
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286 self.later.cancel() |
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287 |
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288 self.later = reactor.callLater(.02, self.update) |
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289 |
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290 self.recent_t = self.recent_t[-50:]+[t] |
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291 period = (self.recent_t[-1] - self.recent_t[0]) / len(self.recent_t) |
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292 dispatcher.send("update period", val=period) |
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293 self.send_dmx(t) |
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294 |
| 0 | 295 def send_dmx(self,t): |
|
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296 dispatcher.send("curves to sliders", t=t) |
| 0 | 297 scaledsubs=[] |
| 298 for st in self.subterms: | |
| 299 scl = st.scaled(t) | |
| 300 scaledsubs.append(scl) | |
| 301 out = Submaster.sub_maxes(*scaledsubs) | |
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302 levs = out.get_levels() |
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303 now=time.time() |
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304 if now-self.lastsendtime>5 or levs!=self.lastsendlevs: |
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305 dispatcher.send("output levels",val=levs) |
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306 dmxclient.outputlevels(out.get_dmx_list(), |
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307 twisted=1,clientid='curvecalc') |
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308 self.lastsendtime = now |
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309 self.lastsendlevs = levs |
| 0 | 310 |
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311 def makeStatusLines(master): |
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312 """various labels that listen for dispatcher signals""" |
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313 for signame,textfilter in [ |
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314 ('input time',lambda t: "%.2fs"%t), |
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315 ('output levels', |
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316 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v) |
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317 for n,v in |
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318 levels.items()[:5] |
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319 if v>0]),70)), |
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320 ('update period',lambda t: "%.1fms"%(t*1000)), |
|
236
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321 ('update status',lambda t: str(t)), |
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322 ]: |
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323 l = tk.Label(master, anchor='w', justify='left', text='%s:' % signame) |
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324 l.pack(side='top',fill='x') |
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325 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter: |
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326 l.config(text=sn+": "+tf(val)), |
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327 signame, weak=False) |
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328 |
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329 def add_one_subterm(graph, subUri, curveset, subterms, master, expr=None): |
|
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330 subname = graph.label(subUri) |
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331 if expr is None: |
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332 expr = '%s(t)' % subname |
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333 |
|
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334 term = Subterm(Submaster.Submaster(graph=graph, sub=subUri), |
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335 Subexpr(curveset,expr)) |
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336 subterms.append(term) |
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337 |
| 505 | 338 stv=Subtermview(master, graph, term) |
| 339 stv.pack(side='top',fill='x') | |
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340 |
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341 return term |
| 0 | 342 |
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343 def makeSubtermCommandRow(master, curveset, subterms, root, ssv, graph): |
| 505 | 344 """ |
| 345 the row that starts with 'reload subs' button | |
| 346 """ | |
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347 f=tk.Frame(master,relief='raised',bd=1) |
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348 newname = tk.StringVar() |
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349 |
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350 def add_cmd(evt): |
|
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351 uri = L9['sub/%s' % newname.get()] |
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352 graph.add((uri, RDF.type, L9.Subterm)) |
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353 graph.add((uri, RDFS.label, Literal(newname.get()))) |
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354 add_one_subterm(graph, uri, |
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355 curveset, subterms, ssv, None) |
|
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356 if evt.state & 4: # control key modifier |
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357 curveset.new_curve(newname.get()) |
|
281
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358 newname.set('') |
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359 |
|
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360 def reload_subs(): |
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361 dispatcher.send('reload all subs') |
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362 |
|
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363 tk.Button(f, text="reload subs (C-r)", |
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364 command=reload_subs).pack(side='left') |
|
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365 tk.Label(f, text="new subterm named (C-Enter for curve too, C-n for focus):").pack(side='left') |
|
282
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366 entry = tk.Entry(f, textvariable=newname) |
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367 entry.pack(side='left', fill='x', exp=1) |
|
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368 entry.bind("<Key-Return>", add_cmd) |
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369 |
|
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370 def focus_entry(): |
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371 entry.focus() |
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372 |
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373 dispatcher.connect(focus_entry, "focus new subterm", weak=False) |
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374 |
|
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375 return f |
|
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376 |
|
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377 def savesubterms(filename,subterms): |
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378 raise NotImplementedError |
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379 s="" |
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380 for st in subterms: |
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381 s=s+"%s %s\n" % (st.submaster.name, st.subexpr.expr) |
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382 |
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383 file(filename,'w').write(s) |
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384 |
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385 def createSubtermGraph(song, subterms): |
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386 """rdf graph describing the subterms, readable by add_subterms_for_song""" |
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387 graph = Graph() |
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388 for subterm in subterms: |
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389 uri = URIRef(song + "/subterm/" + subterm.submaster.name) |
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390 graph.add((song, L9['subterm'], uri)) |
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391 graph.add((uri, RDF.type, L9['Subterm'])) |
|
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392 graph.add((uri, RDFS.label, Literal(subterm.submaster.name))) |
|
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393 graph.add((uri, L9['sub'], L9['sub/%s' % subterm.submaster.name])) |
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394 graph.add((uri, L9['expression'], Literal(subterm.subexpr.expr))) |
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395 return graph |
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396 |
|
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397 def add_subterms_for_song(graph, song, curveset, subterms, master): |
| 335 | 398 for st in graph.objects(song, L9['subterm']): |
|
400
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399 try: |
|
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400 add_one_subterm(graph, graph.value(st, L9['sub']), curveset, |
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401 subterms, master, graph.value(st, L9['expression'])) |
|
400
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402 except rdflib.exceptions.UniquenessError: |
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403 print "working around curvecalc save corruption" |
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404 # curvecalc put all the expressions on one subterm, which is wrong |
|
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405 for expr in graph.objects(st, L9['expression']): |
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406 add_one_subterm(graph, graph.value(st, L9['sub']), |
|
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407 curveset, subterms, master, expr) |
|
400
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408 |
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287
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409 |
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357
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410 def graphPathForSubterms(song): |
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411 return showconfig.subtermsForSong(showconfig.songFilenameFromURI(song)) + ".n3" |
|
351
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412 |
|
360
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413 def read_all_subs(graph): |
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414 """read all sub files into this graph so when add_one_subterm tries |
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415 to add, the sub will be available""" |
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416 subsDir = showconfig.subsDir() |
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417 for filename in os.listdir(subsDir): |
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418 graph.parse(os.path.join(subsDir, filename), format="n3") |
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419 |
| 505 | 420 def makeGraph(): |
| 421 graphOrig = showconfig.getGraph() | |
| 422 graph = Graph() # a copy, since we're going to add subs into it | |
| 423 for s in graphOrig: | |
| 424 graph.add(s) | |
| 425 read_all_subs(graph) | |
| 426 return graph | |
| 0 | 427 |
| 505 | 428 def savekey(song, subterms, curveset): |
| 429 print "saving", song | |
|
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430 g = createSubtermGraph(song, subterms) |
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431 g.serialize(graphPathForSubterms(song), format="nt") |
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432 |
| 505 | 433 curveset.save(basename=os.path.join(showconfig.curvesDir(), |
| 434 showconfig.songFilenameFromURI(song))) | |
|
205
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435 print "saved" |
| 505 | 436 |
| 437 def setupKeyBindings(root, song, subterms, curveset): | |
| 438 root.bind("<Control-Key-s>", | |
| 439 lambda *args: savekey(song, subterms, curveset)) | |
| 440 root.bind("<Control-Key-r>", lambda evt: dispatcher.send('reload all subs')) | |
| 441 root.bind("<Control-Key-n>", | |
| 442 lambda evt: dispatcher.send('focus new subterm')) | |
| 443 root.bind("<Control-Key-N>", lambda evt: dispatcher.send('focus new curve')) | |
| 444 root.bind("<Control-Key-q>",lambda ev: reactor.stop) | |
| 445 root.bind("<Destroy>",lambda ev: reactor.stop) | |
| 446 root.protocol('WM_DELETE_WINDOW', reactor.stop) | |
| 447 | |
| 448 def createHelpLines(root): | |
| 449 for helpline in ["Bindings: C-s save subterms; Esc see current time; S-Esc see curtime to end; C-Esc show all; Mousewheel zoom; C-p play/pause music at mouse", | |
| 450 "Curve point bindings: B1 drag point; C-B1 curve add point; S-B1 sketch points; Del selected points; 1..5 add point at time; B1 drag select points", | |
| 451 "Available in functions: nsin/ncos period=amp=1; within(a,b) bef(x) aft(x) compare to time; smoove(x) cubic smoothstep; chan(name); curvename(t) eval curve"]: | |
| 452 line = tk.Label(root, text=helpline, font="Helvetica -12 italic", | |
| 453 anchor='w') | |
| 454 line.pack(side='top',fill='x') | |
| 455 | |
| 456 | |
| 457 def main(): | |
| 458 parser = optparse.OptionParser() | |
| 459 parser.set_usage("%prog [opts] songURI") | |
| 460 parser.add_option("--sliders", action='store_true', | |
| 461 help='use hardware sliders') | |
| 462 parser.add_option("--skip-music", action='store_true', | |
| 463 help="ignore music and smooth_music curve files") | |
| 464 opts, args = parser.parse_args() | |
| 465 | |
| 466 try: | |
| 467 song = URIRef(args[0]) | |
| 468 except IndexError: | |
| 469 raise SystemExit("song URI is required, e.g. 'http://light9.bigasterisk.com/show/dance2008/song3'") | |
| 470 | |
| 471 log.debug("music") | |
| 472 music=Music() | |
|
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473 graph = makeGraph() |
| 505 | 474 curveset = Curveset(sliders=opts.sliders) |
|
516
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475 subterms = [] |
| 505 | 476 |
|
516
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477 graph.parse(graphPathForSubterms(song), format='n3') |
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478 |
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479 log.debug("output") |
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480 out = Output(subterms, music) |
| 505 | 481 |
| 482 musicfilename = showconfig.songOnDisk(song) | |
| 483 maxtime = wavelength(musicfilename) | |
|
516
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484 dispatcher.connect(lambda: maxtime, "get max time", weak=False) |
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|
485 |
|
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changeset
|
486 |
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|
487 root=tk.Tk() |
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488 root.tk_setPalette("gray50") |
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|
489 toplevelat("curvecalc",root) |
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490 root.tk_focusFollowsMouse() |
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491 root.title("Curvemaster 3000MX - %s" % graph.label(song)) |
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|
492 |
|
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|
493 if 'fixed top rows': |
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|
494 zc = Zoomcontrol(root) |
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495 zc.pack(side='top', fill='x') |
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|
496 |
|
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|
497 if 'panes': |
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498 panes = tk.PanedWindow(root, height=1) |
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|
499 panes.add('curvesetView') |
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diff
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|
500 panes.add('subterms') |
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|
501 panes.pack(side='top', fill='both', expand=True) |
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505
diff
changeset
|
502 |
|
519
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517
diff
changeset
|
503 curvesetView = Curvesetview(panes.subwidget('curvesetView'), curveset, |
|
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diff
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|
504 height=400) |
|
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517
diff
changeset
|
505 curvesetView.pack(fill='both', expand=True) |
|
516
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505
diff
changeset
|
506 |
|
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505
diff
changeset
|
507 subtermArea = tk.Frame(panes.subwidget('subterms'), height=100) |
|
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|
508 subtermArea.pack(fill='both', expand=True) |
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505
diff
changeset
|
509 |
|
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505
diff
changeset
|
510 subtermScroll = tk.ScrolledWindow(subtermArea) |
|
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diff
changeset
|
511 subtermScroll.pack(fill='both') |
|
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505
diff
changeset
|
512 |
|
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505
diff
changeset
|
513 if 'fixed bottom rows': |
|
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505
diff
changeset
|
514 makeSubtermCommandRow(root, curveset, subterms, root, subtermArea, |
|
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505
diff
changeset
|
515 graph).pack(side='top', fill='x') |
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505
diff
changeset
|
516 makeStatusLines(root) |
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505
diff
changeset
|
517 |
|
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diff
changeset
|
518 helpBox = tk.Frame(root) |
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diff
changeset
|
519 createHelpLines(helpBox) |
|
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diff
changeset
|
520 helpBox.pack(side='top', fill='x') |
|
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505
diff
changeset
|
521 |
|
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505
diff
changeset
|
522 add_subterms_for_song(graph, song, curveset, subterms, |
|
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diff
changeset
|
523 subtermScroll.subwidget('window')) |
|
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505
diff
changeset
|
524 setupKeyBindings(root, song, subterms, curveset) |
|
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diff
changeset
|
525 |
|
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505
diff
changeset
|
526 # curvesetview must already exist, since this makes 'add_curve' |
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505
diff
changeset
|
527 # signals for all the initial curves |
| 505 | 528 curveset.load(basename=os.path.join(showconfig.curvesDir(), |
| 529 showconfig.songFilenameFromURI(song)), | |
| 530 skipMusic=opts.skip_music) | |
|
516
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changeset
|
531 |
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changeset
|
532 dispatcher.send("max time",maxtime=maxtime) |
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diff
changeset
|
533 dispatcher.send("show all") |
|
519
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diff
changeset
|
534 |
|
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diff
changeset
|
535 # this is scheduled after some tk shuffling, to try to minimize |
|
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diff
changeset
|
536 # the number of times we redraw the curve at startup. If tk is |
|
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diff
changeset
|
537 # very slow, it's ok. You'll just get some wasted redraws. |
|
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diff
changeset
|
538 reactor.callLater(.1, curvesetView.goLive) |
| 505 | 539 |
|
517
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speed up curvecalc tk update to 10ms (since we recently sped up the recalcs)
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diff
changeset
|
540 tksupport.install(root, ms=10) |
| 505 | 541 log.debug("run") |
| 542 prof.run(reactor.run, profile=False) | |
| 543 | |
| 544 main() |