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annotate bin/curvecalc @ 326:a3267d8c498e

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leave in a comment about how to offset the audio time in case your sound card is lying we didn't eventually need this because we found a good-sounding card that could report offset correctly. But if you're stuck with a card that reports offset incorrectly, you can play with this offset for a partial workaround. note that song intros will probably still be corrupted (but you could workaround that by prepending some silence)
author Drew Perttula <drewp@bigasterisk.com>
date Sun, 18 Jun 2006 22:01:41 +0000
parents 2193eab0650b
children d4aff817a304
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1 #!/usr/bin/python
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2
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3 """
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4 todo: curveview should preserve more objects, for speed maybe
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5
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6 """
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7 from __future__ import division
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8 import xmlrpclib,time,socket,sys,textwrap,math,glob,random,os,optparse
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9 from bisect import bisect_left,bisect,bisect_right
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10 import Tkinter as tk
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11 from dispatch import dispatcher
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12 from twisted.internet import reactor,tksupport
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13 import twisted
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14 from twisted.web.xmlrpc import Proxy
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15 import logging
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16 log = logging.getLogger()
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17 logging.basicConfig(format="%(asctime)s %(levelname)-5s %(name)s %(filename)s:%(lineno)d: %(message)s")
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18 log.setLevel(logging.DEBUG)
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19
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20 import run_local
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21 from light9 import Submaster, dmxclient, networking, showconfig
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22 from light9.TLUtility import make_attributes_from_args, dict_subset
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23 from light9.zoomcontrol import Zoomcontrol
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24 from light9.curve import Curve, Curveview, Curveset, Curvesetview
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25 from light9.wavelength import wavelength
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26 from light9.uihelpers import toplevelat
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27
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28 import light9.Effects
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29 fx_dict = light9.Effects.__dict__
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30 all_fx = fx_dict['__all__']
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31 expr_helpers = dict_subset(fx_dict, all_fx)
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32 del fx_dict
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33 del all_fx
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34
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35 class Music:
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36 def __init__(self):
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37 self.player=None # xmlrpc Proxy to player
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38 self.recenttime=0
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39
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40 dispatcher.connect(self.seekplay_or_pause,"music seek")
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41
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42 def seekplay_or_pause(self,t):
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43 self.music.seekplay_or_pause(t)
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44
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45 def current_time(self):
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46 """return deferred which gets called with the current time"""
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47 if self.player is None:
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48 self.player = Proxy(networking.musicUrl())
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49 # d = self.player.callRemote("songlength")
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50 # d.addCallback(lambda l: dispatcher.send("max time",maxtime=l))
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51 # d = self.player.callRemote("songname")
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52 # d.addCallback(lambda n: dispatcher.send("songname",name=n))
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53 d = self.player.callRemote('gettime')
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54 def sendtime(t):
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55 dispatcher.send("input time",val=t)
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56 return t # pass along to the real receiver
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57 def error(e):
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58 pass#self.player=None
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59 d.addCallback(sendtime)
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60 return d
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61
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62 def seekplay_or_pause(self,t):
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63 self.player.callRemote('seekplay_or_pause',t)
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64
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65 class Subexpr:
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66 curveset = None
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67 def __init__(self,curveset,expr=""):
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68 self.curveset = curveset
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69 self.lasteval = None
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70 self.expr=expr
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71 self._smooth_random_items = [random.random() for x in range(100)]
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72 def eval(self,t):
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73 if self.expr=="":
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74 dispatcher.send("expr_error",sender=self,exc="no expr, using 0")
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75 return 0
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76 glo = self.curveset.globalsdict()
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77 glo['t'] = t
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78
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79 # add in functions from Effects
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80 glo.update(expr_helpers)
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81
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82 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
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83 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
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84 glo['within'] = lambda a, b: a < t < b
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85 glo['bef'] = lambda x: t < x
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86 glo['aft'] = lambda x: x < t
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87 glo['smoove'] = lambda x: -2 * (x ** 3) + 3 * (x ** 2)
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88
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89 def smooth_random(speed=1):
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90 """1 = new stuff each second, <1 is slower, fade-ier"""
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91 x = (t * speed) % len(self._smooth_random_items)
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92 x1 = int(x)
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93 x2 = (int(x) + 1) % len(self._smooth_random_items)
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94 y1 = self._smooth_random_items[x1]
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95 y2 = self._smooth_random_items[x2]
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96 return y1 + (y2 - y1) * ((x - x1))
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97
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98 def notch_random(speed=1):
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99 """1 = new stuff each second, <1 is slower, notch-ier"""
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100 x = (t * speed) % len(self._smooth_random_items)
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101 x1 = int(x)
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102 y1 = self._smooth_random_items[x1]
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103 return y1
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104
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105 glo['noise'] = smooth_random
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106 glo['notch'] = notch_random
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107
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108 try:
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109 self.lasteval = eval(self.expr,glo)
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110 except Exception,e:
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111 dispatcher.send("expr_error",sender=self,exc=e)
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112 else:
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113 dispatcher.send("expr_error",sender=self,exc="ok")
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114 return self.lasteval
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115
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116 def expr():
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117 doc = "python expression for level as a function of t, using curves"
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118 def fget(self):
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119 return self._expr
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120 def fset(self, value):
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121 self._expr = value
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122 dispatcher("expr_changed",sender=self)
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123 return locals()
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124 expr = property(**expr())
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125
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126 class Subexprview(tk.Frame):
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127 def __init__(self,master,se,**kw):
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128 self.subexpr=se
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129 tk.Frame.__init__(self,master,**kw)
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130 self.evar = tk.StringVar()
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131 e = self.ent = tk.Entry(self,textvariable=self.evar)
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132 e.pack(side='left',fill='x',exp=1)
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133 self.expr_changed()
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134 self.evar.trace_variable('w',self.evar_changed)
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135 dispatcher.connect(self.expr_changed,"expr_changed",
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136 sender=self.subexpr)
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137 self.error = tk.Label(self)
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138 self.error.pack(side='left')
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139 dispatcher.connect(lambda exc: self.error.config(text=str(exc)),
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140 "expr_error",sender=self.subexpr,weak=0)
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141 def expr_changed(self):
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142 if self.subexpr.expr!=self.evar.get():
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143 self.evar.set(self.subexpr.expr)
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144 def evar_changed(self,*args):
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145 self.subexpr.expr = self.evar.get()
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146
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147 class Subterm:
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148 """one Submaster and its Subexpr"""
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149 def __init__(self, submaster, subexpr):
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150 make_attributes_from_args('submaster', 'subexpr')
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151 def scaled(self, t):
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152 subexpr_eval = self.subexpr.eval(t)
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153 # we prevent any exceptions from escaping, since they cause us to
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154 # stop sending levels
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155 try:
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156 if isinstance(subexpr_eval, Submaster.Submaster):
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157 # if the expression returns a submaster, just return it
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158 return subexpr_eval
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159 else:
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160 # otherwise, return our submaster multiplied by the value
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161 # returned
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162 return self.submaster * subexpr_eval
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163 except Exception, e:
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164 dispatcher.send("expr_error", sender=self.subexpr, exc=str(e))
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165 return Submaster.Submaster('Error: %s' % str(e), temporary=True)
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166
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167 class Subtermview(tk.Frame):
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168 def __init__(self,master,st,**kw):
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169 self.subterm = st
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170 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw)
205
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171 l = tk.Label(self,text="sub %r" % self.subterm.submaster.name)
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172 l.pack(side='left')
0
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173 sev=Subexprview(self,self.subterm.subexpr)
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174 sev.pack(side='left',fill='both',exp=1)
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175
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176 class Output:
205
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177 lastsendtime=0
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178 lastsendlevs=None
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179 def __init__(self,subterms,music):
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180 make_attributes_from_args('subterms','music')
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181
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182 self.recent_t=[]
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183 self.later = None
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184
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185 self.update()
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186
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187 def update(self):
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188 d = music.current_time()
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189 d.addCallback(self.update2)
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190 d.addErrback(self.updateerr)
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191
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192 def updateerr(self,e):
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193
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194 print e.getTraceback()
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195 dispatcher.send("update status",val=e.getErrorMessage())
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196 if self.later and not self.later.cancelled and not self.later.called:
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197 self.later.cancel()
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198 self.later = reactor.callLater(1,self.update)
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199
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200 def update2(self,t):
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201
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202 # spot alsa soundcard offset is always 0, we get times about a
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203 # second ahead of what's really getting played
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204 #t = t - .7
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205
287
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206 dispatcher.send("update status",
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207 val="ok: receiving time from music player")
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208 if self.later and not self.later.cancelled and not self.later.called:
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209 self.later.cancel()
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210
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211 self.later = reactor.callLater(.05, self.update)
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212
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213 self.recent_t = self.recent_t[-50:]+[t]
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214 period = (self.recent_t[-1] - self.recent_t[0]) / len(self.recent_t)
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215 dispatcher.send("update period", val=period)
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216 self.send_dmx(t)
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217
0
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218 def send_dmx(self,t):
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219 scaledsubs=[]
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220 for st in self.subterms:
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221 scl = st.scaled(t)
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222 scaledsubs.append(scl)
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223 out = Submaster.sub_maxes(*scaledsubs)
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224 levs = out.get_levels()
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225 now=time.time()
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226 if now-self.lastsendtime>5 or levs!=self.lastsendlevs:
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227 dispatcher.send("output levels",val=levs)
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228 dmxclient.outputlevels(out.get_dmx_list(),
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229 twisted=1,clientid='curvecalc')
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230 self.lastsendtime = now
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231 self.lastsendlevs = levs
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232
202
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233 def create_status_lines(master):
197
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234 for signame,textfilter in [
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235 ('input time',lambda t: "%.2fs"%t),
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236 ('output levels',
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237 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v)
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238 for n,v in
205
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239 levels.items()[:5]
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240 if v>0]),70)),
197
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241 ('update period',lambda t: "%.1fms"%(t*1000)),
236
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242 ('update status',lambda t: str(t)),
197
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243 ]:
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244 l = tk.Label(master,anchor='w',justify='left')
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245 l.pack(side='top',fill='x')
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246 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter:
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247 l.config(text=sn+": "+tf(val)),
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248 signame,weak=0)
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249
202
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250 def savesubterms(filename,subterms):
205
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251 s=""
202
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252 for st in subterms:
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253 s=s+"%s %s\n" % (st.submaster.name, st.subexpr.expr)
205
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254
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255 file(filename,'w').write(s)
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256
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257 class SubtermSetView(tk.Frame):
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258 def __init__(self, master, *args, **kw):
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259 tk.Frame.__init__(self, master, *args, **kw)
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260 self.cur_row = 0
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261 self.cur_col = 0
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262 self.ncols = 2
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263 def add_subtermview(self, stv):
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264 stv.grid(row=self.cur_row, column=self.cur_col, sticky='news')
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265 self.columnconfigure(self.cur_col, weight=1)
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266
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267 self.cur_col += 1
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268 self.cur_col %= self.ncols
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269 if self.cur_col == 0:
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270 self.cur_row += 1
202
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271
287
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272 def add_one_subterm(subname, curveset, subterms, root, ssv, expr=None):
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273 if expr is None:
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274 expr = '%s(t)' % subname
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275
205
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276 term = Subterm(Submaster.Submaster(subname), Subexpr(curveset,expr))
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277 subterms.append(term)
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278
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279 stv=Subtermview(ssv,term)
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280 # stv.pack(side='top',fill='x')
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281
205
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282 ssv.add_subtermview(stv)
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283
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284 return term
0
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285
279
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286 def sub_commands_tk(master, curveset, subterms, root, ssv):
205
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287 f=tk.Frame(master,relief='raised',bd=1)
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288 newname = tk.StringVar()
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289
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290 def add_cmd():
210
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diff changeset
291 add_one_subterm(newname.get(), curveset, subterms, root, ssv, '')
281
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diff changeset
292 newname.set('')
205
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293
279
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diff changeset
294 def reload_subs():
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diff changeset
295 dispatcher.send('reload all subs')
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diff changeset
296
281
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297 tk.Button(f, text="reload subs (C-r)",
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diff changeset
298 command=reload_subs).pack(side='left')
284
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diff changeset
299 tk.Label(f, text="new subterm named:").pack(side='left')
282
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300 entry = tk.Entry(f, textvariable=newname)
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diff changeset
301 entry.pack(side='left', fill='x', exp=1)
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diff changeset
302 entry.bind("<Key-Return>", lambda evt: add_cmd())
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diff changeset
303
205
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diff changeset
304 return f
287
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diff changeset
305
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diff changeset
306 def add_subterms_from_file(filename, curveset, subterms, root, ssv):
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diff changeset
307 for line in file(filename):
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diff changeset
308 try:
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diff changeset
309 subname,expr = line.strip().split(" ",1)
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diff changeset
310 except ValueError:
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diff changeset
311 subname = line.strip()
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diff changeset
312 expr = ""
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313
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314 term = add_one_subterm(subname, curveset, subterms, root, ssv, expr)
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315
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316 # stv=Subtermview(root,term)
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317 # stv.pack(side='top',fill='x')
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318
0
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319 #######################################################################
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320 root=tk.Tk()
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321 root.tk_setPalette("gray50")
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322 toplevelat("curvecalc",root)
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323 root.tk_focusFollowsMouse()
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324
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325 parser = optparse.OptionParser()
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326 options,args = parser.parse_args()
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327
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328 try:
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329 song = args[0]
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330 except IndexError:
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331 raise SystemExit("song name is required, e.g. '05-mix'")
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332
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333 log.debug("music")
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334 music=Music()
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335
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336 zc = Zoomcontrol(root)
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337 zc.pack(side='top',fill='x')
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338
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339 curveset = Curveset()
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340 csv = Curvesetview(root,curveset)
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341 csv.pack(side='top',fill='both',exp=1)
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342
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343 ssv = SubtermSetView(root)
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344 ssv.pack(side='top', fill='x')
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345
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346 root.title("Curvemaster 3000MX - %s" % song)
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347
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348 musicfilename = showconfig.songFilename(song)
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349 maxtime = wavelength(musicfilename)
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350 dispatcher.send("max time",maxtime=maxtime)
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351 dispatcher.connect(lambda: maxtime, "get max time",weak=0)
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352 curveset.load(basename=os.path.join(showconfig.curvesDir(),song))
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353
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354 subterms = []
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355 sub_commands_tk(root, curveset, subterms, root, ssv).pack(side='top',fill='x')
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356
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357 add_subterms_from_file(showconfig.subtermsForSong(song),
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358 curveset, subterms, root, ssv)
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359
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360 log.debug("output")
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361 out = Output(subterms, music)
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362
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363 def savekey(*args):
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364 print "saving",song
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365 savesubterms(showconfig.subtermsForSong(song),subterms)
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366 curveset.save(basename=os.path.join(showconfig.curvesDir(),song))
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367 print "saved"
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368
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369 root.bind("<Control-Key-s>",savekey)
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370 root.bind("<Control-Key-r>", lambda evt: dispatcher.send('reload all subs'))
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371
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372 create_status_lines(root)
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373 for helpline in ["Bindings: C-s save subterms; Esc see current time; S-Esc see curtime to end; Mousewheel zoom; C-p play/pause music at mouse",
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374 "Curve point bindings: B1 drag point; C-B1 curve add point; S-B1 sketch points; Del selected points; 1..5 add point at time; Alt-Shift-B1 drag select points",
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375 "Available in functions: nsin/ncos period=amp=1; within(a,b) bef(x) aft(x) compare to time; smoove(x) cubic smoothstep; curvename(t) eval curve"]:
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376 tk.Label(root,text=helpline, font="Helvetica -12 italic",
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377 anchor='w').pack(side='top',fill='x')
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378
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379 #def logprint(msg):
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380 # print "log",msg
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381 #twisted.python.log.addObserver(logprint)
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382
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383 root.bind("<Control-Key-q>",lambda ev: reactor.stop)
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384 root.bind("<Destroy>",lambda ev: reactor.stop)
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385 root.protocol('WM_DELETE_WINDOW', reactor.stop)
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386 tksupport.install(root,ms=20)
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387 log.debug("run")
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388 if 0:
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389 sys.path.append("/home/drewp/projects/cuisine/pour")
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390 from utils import runstats
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391 runstats("reactor.run()")
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392 else:
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393 reactor.run()