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annotate bin/curvecalc @ 290:50ba9ec2b17e

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you can now delete curve points
author drewp@bigasterisk.com
date Sat, 18 Jun 2005 06:09:28 +0000
parents 22529016c4f2
children 1c590824dd14
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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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16 import run_local
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17 from light9 import Submaster, dmxclient, networking, showconfig
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18 from light9.TLUtility import make_attributes_from_args
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19 from light9.zoomcontrol import Zoomcontrol
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20 from light9.curve import Curve, Curveview, Curveset, Curvesetview
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21 from light9.wavelength import wavelength
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22 from light9.uihelpers import toplevelat
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23
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24 class Music:
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25 def __init__(self):
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26 self.player=None # xmlrpc Proxy to player
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27 self.recenttime=0
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28
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29 dispatcher.connect(self.seekplay_or_pause,"music seek")
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30
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31 def seekplay_or_pause(self,t):
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32 self.music.seekplay_or_pause(t)
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33
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34 def current_time(self):
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35 """return deferred which gets called with the current time"""
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36 if self.player is None:
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37 self.player = Proxy(networking.musicUrl())
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38 # d = self.player.callRemote("songlength")
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39 # d.addCallback(lambda l: dispatcher.send("max time",maxtime=l))
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40 # d = self.player.callRemote("songname")
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41 # d.addCallback(lambda n: dispatcher.send("songname",name=n))
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42 d = self.player.callRemote('gettime')
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43 def sendtime(t):
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44 dispatcher.send("input time",val=t)
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45 return t # pass along to the real receiver
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46 def error(e):
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47 pass#self.player=None
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48 d.addCallback(sendtime)
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49 return d
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50
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51 def seekplay_or_pause(self,t):
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52 self.player.callRemote('seekplay_or_pause',t)
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53
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54 class Subexpr:
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55 curveset = None
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56 def __init__(self,curveset,expr=""):
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57 self.curveset = curveset
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58 self.lasteval = None
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59 self.expr=expr
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60 self._smooth_random_items = [random.random() for x in range(100)]
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61 def eval(self,t):
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62 if self.expr=="":
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63 dispatcher.send("expr_error",sender=self,exc="no expr, using 0")
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64 return 0
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65 glo = self.curveset.globalsdict()
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66 glo['t'] = t
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67
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68 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
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69 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
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70 glo['within'] = lambda a, b: a < t < b
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71 glo['bef'] = lambda x: t < x
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72 glo['aft'] = lambda x: x < t
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73 glo['smoove'] = lambda x: -2 * (x ** 3) + 3 * (x ** 2)
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74
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75 def smooth_random(speed=1):
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76 """1 = new stuff each second, <1 is slower, fade-ier"""
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77 x = (t * speed) % len(self._smooth_random_items)
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78 x1 = int(x)
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79 x2 = (int(x) + 1) % len(self._smooth_random_items)
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80 y1 = self._smooth_random_items[x1]
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81 y2 = self._smooth_random_items[x2]
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82 return y1 + (y2 - y1) * ((x - x1))
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83
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84 def notch_random(speed=1):
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85 """1 = new stuff each second, <1 is slower, notch-ier"""
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86 x = (t * speed) % len(self._smooth_random_items)
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87 x1 = int(x)
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88 y1 = self._smooth_random_items[x1]
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89 return y1
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90
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91 glo['noise'] = smooth_random
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92 glo['notch'] = notch_random
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93
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94 try:
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95 self.lasteval = eval(self.expr,glo)
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96 except Exception,e:
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97 dispatcher.send("expr_error",sender=self,exc=e)
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98 else:
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99 dispatcher.send("expr_error",sender=self,exc="ok")
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100 return self.lasteval
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101
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102 def expr():
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103 doc = "python expression for level as a function of t, using curves"
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104 def fget(self):
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105 return self._expr
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106 def fset(self, value):
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107 self._expr = value
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108 dispatcher("expr_changed",sender=self)
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109 return locals()
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110 expr = property(**expr())
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111
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112 class Subexprview(tk.Frame):
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113 def __init__(self,master,se,**kw):
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114 self.subexpr=se
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115 tk.Frame.__init__(self,master,**kw)
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116 self.evar = tk.StringVar()
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117 e = self.ent = tk.Entry(self,textvariable=self.evar)
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118 e.pack(side='left',fill='x',exp=1)
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119 self.expr_changed()
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120 self.evar.trace_variable('w',self.evar_changed)
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121 dispatcher.connect(self.expr_changed,"expr_changed",
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122 sender=self.subexpr)
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123 self.error = tk.Label(self)
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124 self.error.pack(side='left')
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125 dispatcher.connect(lambda exc: self.error.config(text=str(exc)),
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126 "expr_error",sender=self.subexpr,weak=0)
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127 def expr_changed(self):
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128 if self.subexpr.expr!=self.evar.get():
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129 self.evar.set(self.subexpr.expr)
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130 def evar_changed(self,*args):
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131 self.subexpr.expr = self.evar.get()
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132
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133 class Subterm:
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134 """one Submaster and its Subexpr"""
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135 def __init__(self, submaster, subexpr):
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136 make_attributes_from_args('submaster', 'subexpr')
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137 def scaled(self, t):
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138 subexpr_eval = self.subexpr.eval(t)
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139 # this stops an error that didn't used to happen. i think when
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140 # the expr is empty, subexpr_eval becomes None, so this zero
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141 # is ok
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142 if subexpr_eval is None:
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143 subexpr_eval = 0
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144 if isinstance(subexpr_eval, Submaster.Submaster):
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145 # if the expression returns a submaster, just return it
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146 return subexpr_eval
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147 else:
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148 # otherwise, return our submaster multiplied by the value returned
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149 return self.submaster * subexpr_eval
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150
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151 class Subtermview(tk.Frame):
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152 def __init__(self,master,st,**kw):
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153 self.subterm = st
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154 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw)
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155 l = tk.Label(self,text="sub %r" % self.subterm.submaster.name)
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156 l.pack(side='left')
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157 sev=Subexprview(self,self.subterm.subexpr)
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158 sev.pack(side='left',fill='both',exp=1)
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159
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160 class Output:
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161 lastsendtime=0
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162 lastsendlevs=None
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163 def __init__(self,subterms,music):
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164 make_attributes_from_args('subterms','music')
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165
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166 self.recent_t=[]
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167 self.later = None
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168
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169 self.update()
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170
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171 def update(self):
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172 d = music.current_time()
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173 d.addCallback(self.update2)
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174 d.addErrback(self.updateerr)
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175
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176 def updateerr(self,e):
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177
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178 print e.getTraceback()
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179 dispatcher.send("update status",val=e.getErrorMessage())
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180 if self.later and not self.later.cancelled and not self.later.called:
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181 self.later.cancel()
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182 self.later = reactor.callLater(1,self.update)
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183
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184 def update2(self,t):
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185 dispatcher.send("update status",
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186 val="ok: receiving time from music player")
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187 if self.later and not self.later.cancelled and not self.later.called:
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188 self.later.cancel()
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189
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190 self.later = reactor.callLater(.05, self.update)
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191
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192 self.recent_t = self.recent_t[-50:]+[t]
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193 period = (self.recent_t[-1] - self.recent_t[0]) / len(self.recent_t)
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194 dispatcher.send("update period", val=period)
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195 self.send_dmx(t)
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196
0
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197 def send_dmx(self,t):
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198 scaledsubs=[]
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199 for st in self.subterms:
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200 scl = st.scaled(t)
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201 scaledsubs.append(scl)
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202 out = Submaster.sub_maxes(*scaledsubs)
205
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203 levs = out.get_levels()
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204 now=time.time()
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205 if now-self.lastsendtime>5 or levs!=self.lastsendlevs:
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206 dispatcher.send("output levels",val=levs)
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207 dmxclient.outputlevels(out.get_dmx_list(),
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208 twisted=1,clientid='curvecalc')
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209 self.lastsendtime = now
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210 self.lastsendlevs = levs
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211
202
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212 def create_status_lines(master):
197
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213 for signame,textfilter in [
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214 ('input time',lambda t: "%.2fs"%t),
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215 ('output levels',
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216 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v)
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217 for n,v in
205
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218 levels.items()[:5]
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219 if v>0]),70)),
197
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220 ('update period',lambda t: "%.1fms"%(t*1000)),
236
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221 ('update status',lambda t: str(t)),
197
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222 ]:
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223 l = tk.Label(master,anchor='w',justify='left')
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224 l.pack(side='top',fill='x')
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225 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter:
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226 l.config(text=sn+": "+tf(val)),
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227 signame,weak=0)
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228
202
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229 def savesubterms(filename,subterms):
205
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230 s=""
202
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231 for st in subterms:
229
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232 s=s+"%s %s\n" % (st.submaster.name, st.subexpr.expr)
205
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233
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234 file(filename,'w').write(s)
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235
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236 class SubtermSetView(tk.Frame):
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237 def __init__(self, master, *args, **kw):
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238 tk.Frame.__init__(self, master, *args, **kw)
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239 self.cur_row = 0
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240 self.cur_col = 0
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241 self.ncols = 2
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242 def add_subtermview(self, stv):
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243 stv.grid(row=self.cur_row, column=self.cur_col, sticky='news')
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244 self.columnconfigure(self.cur_col, weight=1)
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245
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246 self.cur_col += 1
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247 self.cur_col %= self.ncols
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248 if self.cur_col == 0:
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249 self.cur_row += 1
202
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250
287
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251 def add_one_subterm(subname, curveset, subterms, root, ssv, expr=None):
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252 if expr is None:
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253 expr = '%s(t)' % subname
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254
205
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255 term = Subterm(Submaster.Submaster(subname), Subexpr(curveset,expr))
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256 subterms.append(term)
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257
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258 stv=Subtermview(ssv,term)
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259 # stv.pack(side='top',fill='x')
210
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diff changeset
260
205
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261 ssv.add_subtermview(stv)
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262
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263 return term
0
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264
279
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diff changeset
265 def sub_commands_tk(master, curveset, subterms, root, ssv):
205
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266 f=tk.Frame(master,relief='raised',bd=1)
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267 newname = tk.StringVar()
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268
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269 def add_cmd():
210
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diff changeset
270 add_one_subterm(newname.get(), curveset, subterms, root, ssv, '')
281
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diff changeset
271 newname.set('')
205
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272
279
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diff changeset
273 def reload_subs():
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diff changeset
274 dispatcher.send('reload all subs')
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diff changeset
275
281
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diff changeset
276 tk.Button(f, text="reload subs (C-r)",
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parents: 280
diff changeset
277 command=reload_subs).pack(side='left')
284
304a918e7488 curvecalc: make a new curve by pressing 'enter' in entry, no more buttons for these
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diff changeset
278 tk.Label(f, text="new subterm named:").pack(side='left')
282
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diff changeset
279 entry = tk.Entry(f, textvariable=newname)
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diff changeset
280 entry.pack(side='left', fill='x', exp=1)
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diff changeset
281 entry.bind("<Key-Return>", lambda evt: add_cmd())
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diff changeset
282
205
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diff changeset
283 return f
287
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diff changeset
284
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diff changeset
285 def add_subterms_from_file(filename, curveset, subterms, root, ssv):
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diff changeset
286 for line in file(filename):
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diff changeset
287 try:
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diff changeset
288 subname,expr = line.strip().split(" ",1)
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diff changeset
289 except ValueError:
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diff changeset
290 subname = line.strip()
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diff changeset
291 expr = ""
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diff changeset
292
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diff changeset
293 term = add_one_subterm(subname, curveset, subterms, root, ssv, expr)
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diff changeset
294
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diff changeset
295 # stv=Subtermview(root,term)
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diff changeset
296 # stv.pack(side='top',fill='x')
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diff changeset
297
0
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298 #######################################################################
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299 root=tk.Tk()
205
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diff changeset
300 root.tk_setPalette("gray50")
264
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parents: 248
diff changeset
301 toplevelat("curvecalc",root)
205
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diff changeset
302 root.tk_focusFollowsMouse()
0
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303
236
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diff changeset
304 parser = optparse.OptionParser()
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diff changeset
305 options,args = parser.parse_args()
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parents: 230
diff changeset
306
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parents: 230
diff changeset
307 try:
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diff changeset
308 song = args[0]
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parents: 230
diff changeset
309 except IndexError:
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diff changeset
310 raise SystemExit("song name is required, e.g. '05-mix'")
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parents: 230
diff changeset
311
202
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diff changeset
312 music=Music()
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313
197
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diff changeset
314 zc = Zoomcontrol(root)
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diff changeset
315 zc.pack(side='top',fill='x')
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diff changeset
316
202
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diff changeset
317 curveset = Curveset()
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diff changeset
318 csv = Curvesetview(root,curveset)
197
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diff changeset
319 csv.pack(side='top',fill='both',exp=1)
0
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diff changeset
320
205
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321 ssv = SubtermSetView(root)
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322 ssv.pack(side='top', fill='x')
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323
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324 root.title("Curvemaster 3000MX - %s" % song)
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325
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326 musicfilename = showconfig.songFilename(song)
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327 maxtime = wavelength(musicfilename)
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328 dispatcher.send("max time",maxtime=maxtime)
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329 dispatcher.connect(lambda: maxtime, "get max time",weak=0)
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330 curveset.load(basename=os.path.join(showconfig.curvesDir(),song))
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331
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332 subterms = []
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333 sub_commands_tk(root, curveset, subterms, root, ssv).pack(side='top',fill='x')
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334
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335 add_subterms_from_file(showconfig.subtermsForSong(song),
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336 curveset, subterms, root, ssv)
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337
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338 out = Output(subterms, music)
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339
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340 def savekey(*args):
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341 print "saving",song
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342 savesubterms(showconfig.subtermsForSong(song),subterms)
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343 curveset.save(basename=os.path.join(showconfig.curvesDir(),song))
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344 print "saved"
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345
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346 root.bind("<Control-Key-s>",savekey)
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347 root.bind("<Control-Key-r>", lambda evt: dispatcher.send('reload all subs'))
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348
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349 create_status_lines(root)
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350 for helpline in ["Bindings: C-s save subterms; B1 drag point; C-B1 curve add point; S-B1 sketch points; Del point under mouse; 1..5 add point at time; Esc see current time; S-Esc see curtime to end; Mousewheel zoom; C-p play/pause music at mouse",
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351 "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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352 tk.Label(root,text=helpline, font="Helvetica -12 italic",
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353 anchor='w').pack(side='top',fill='x')
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354
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355 #def logprint(msg):
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356 # print "log",msg
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357 #twisted.python.log.addObserver(logprint)
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358
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359 root.bind("<Control-Key-q>",lambda ev: reactor.stop)
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360 root.bind("<Destroy>",lambda ev: reactor.stop)
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361 root.protocol('WM_DELETE_WINDOW', reactor.stop)
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362 tksupport.install(root,ms=20)
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363 if 0:
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364 sys.path.append("/home/drewp/projects/cuisine/pour")
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365 from utils import runstats
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366 runstats("reactor.run()")
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367 else:
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368 reactor.run()