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annotate flax/curvecalc @ 205:3905d3c92aaa

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twisted mainloop, more row-change keys, xmlrpc fadesub command on port 8050
author drewp
date Sun, 10 Apr 2005 15:03:24 +0000
parents 97e21bc387fe
children
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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
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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
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16 sys.path.append("../light8")
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17 import dmxclient
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18 sys.path.append("../../semprini")
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19 from lengther import wavelength
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20 import Submaster
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21 from TLUtility import make_attributes_from_args
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22
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23 from zoomcontrol import Zoomcontrol
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24
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25 class Curve:
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26 """curve does not know its name. see Curveset"""
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27 points = None # x-sorted list of (x,y)
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28 def __init__(self):
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29 self.points = [(0,0),(10,0)]
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30
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31 def load(self,filename):
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32 self.points[:]=[]
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33 for line in file(filename):
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34 self.points.append(tuple([float(a) for a in line.split()]))
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35 self.points.sort()
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36 dispatcher.send("points changed",sender=self)
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37
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38 def save(self,filename):
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39 if filename.endswith('-music') or filename.endswith('_music'):
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40 print "not saving music track"
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41 return
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42 f = file(filename,'w')
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43 for p in self.points:
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44 f.write("%s %s\n" % p)
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45 f.close()
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46
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47 def eval(self,t):
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48 i = bisect_left(self.points,(t,None))-1
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49
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50 if self.points[i][0]>t:
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51 return self.points[i][1]
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52 if i>=len(self.points)-1:
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53 return self.points[i][1]
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54
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55 p1,p2 = self.points[i],self.points[i+1]
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56 frac = (t-p1[0])/(p2[0]-p1[0])
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57 y = p1[1]+(p2[1]-p1[1])*frac
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58 return y
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59
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60 def insert_pt(self,new_pt):
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61 i = bisect(self.points,(new_pt[0],None))
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62 self.points.insert(i,new_pt)
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63 __call__=eval
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64
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65 class Curveview(tk.Canvas):
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66 def __init__(self,master,curve,**kw):
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67 self.curve=curve
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68 self._time = 0
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69 tk.Canvas.__init__(self,master,width=10,height=10,
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70 relief='sunken',bd=1,
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71 closeenough=5,takefocus=1, **kw)
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72 self.selected_points=[] # idx of points being dragged
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73 self.update()
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74 # self.bind("<Enter>",self.focus)
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75 dispatcher.connect(self.input_time,"input time")
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76 dispatcher.connect(self.update,"zoom changed")
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77 dispatcher.connect(self.update,"points changed",sender=self.curve)
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78 self.bind("<Configure>",self.update)
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79 for x in range(1, 6):
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80 def add_kb_marker_point(evt, x=x):
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81 print "add_kb_marker_point", evt
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82 self.add_point((self.current_time(), (x - 1) / 4.0))
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83
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84 self.bind("<Key-%s>" % x, add_kb_marker_point)
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86
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87 for butnum,factor in (5, 1.5),(4, 1/1.5):
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88 self.bind("<ButtonPress-%s>"%butnum,
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89 lambda ev,factor=factor:
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90 dispatcher.send("zoom about mouse",
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91 t=self.world_from_screen(ev.x,0)[0],
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92 factor=factor))
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93 self.bind("<Key-Escape>",lambda ev:
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94 dispatcher.send("see time",
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95 t=self.current_time()))
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96 def current_time(self):
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97 return self._time
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98
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99 def screen_from_world(self,p):
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100 start,end = self.zoom
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101 ht = self.winfo_height()
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102 return (p[0]-start)/(end-start)*self.winfo_width(), (ht-5)-p[1]*(ht-10)
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103 def world_from_screen(self,x,y):
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104 start,end = self.zoom
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105 ht = self.winfo_height()
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106 return x/self.winfo_width()*(end-start)+start, ((ht-5)-y)/(ht-10)
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107
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108 def input_time(self,val):
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109 t=val
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110 pts = self.screen_from_world((val,0))+self.screen_from_world((val,1))
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111 self.delete('timecursor')
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112 self.create_line(*pts,**dict(width=2,fill='red',tags=('timecursor',)))
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113 self._time = t
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114 def update(self,*args):
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115
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116 self.zoom = dispatcher.send("zoom area")[0][1]
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117 cp = self.curve.points
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118
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119 visible_x = (self.world_from_screen(0,0)[0],
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120 self.world_from_screen(self.winfo_width(),0)[0])
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121
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122 visleftidx = max(0,bisect_left(cp,(visible_x[0],None))-1)
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123 visrightidx = min(len(cp)-1,bisect_left(cp,(visible_x[1],None))+1)
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124
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125 visible_points = cp[visleftidx:visrightidx+1]
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126 visible_idxs = range(visleftidx,visrightidx+1)
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127
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128 self.delete('curve')
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129
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130 self._draw_markers(visible_x)
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131
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132 self._draw_line(visible_idxs,visible_points)
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133
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134 self.dots = {} # idx : canvas rectangle
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135
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136 if len(visible_points)<50:
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137 self._draw_handle_points(visible_idxs,visible_points)
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138
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139 def _draw_markers(self,visible_x):
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140 mark = self._draw_one_marker
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141
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142 mark(0,"0")
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143 t1,t2=visible_x
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144 if t2-t1<30:
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145 for t in range(int(t1),int(t2)+1):
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146 mark(t,str(t))
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147 mark(-4,"-4")
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148
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149 endtimes = dispatcher.send("get max time")
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150 if endtimes:
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151 endtime = endtimes[0][1]
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152 mark(endtime,"end %.1f"%endtime)
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153 mark(endtime+10,"post %.1f"%(endtime+10))
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154
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155 def _draw_one_marker(self,t,label):
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156 x = self.screen_from_world((t,0))[0]
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157 self.create_line(x,self.winfo_height(),x,self.winfo_height()-20,
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158 tags=('curve',))
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159 self.create_text(x,self.winfo_height()-20,text=label,anchor='s',
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160 tags=('curve',))
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161
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162
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163 def _draw_line(self,visible_idxs,visible_points):
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164 linepts=[]
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165 step=1
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166 linewidth=2
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167 if len(visible_points)>800:
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168 step = int(len(visible_points)/800)
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169 linewidth=1
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170 for p in visible_points[::step]:
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171 linepts.extend(self.screen_from_world(p))
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172 if len(linepts)<4:
202
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173 return
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174 line = self.create_line(*linepts,**dict(width=linewidth,tags='curve'))
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175
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176 # canvas doesnt have keyboard focus, so i can't easily change the
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177 # cursor when ctrl is pressed
202
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178 # def curs(ev):
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179 # print ev.state
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180 # self.bind("<KeyPress>",curs)
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181 # self.bind("<KeyRelease-Control_L>",lambda ev: curs(0))
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182 self.tag_bind(line,"<Control-ButtonPress-1>",self.newpointatmouse)
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183
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184
205
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185 def _draw_handle_points(self,visible_idxs,visible_points):
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186 for i,p in zip(visible_idxs,visible_points):
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187 rad=3
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188 worldp = p
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189 p = self.screen_from_world(p)
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190 dot = self.create_rectangle(p[0]-rad,p[1]-rad,p[0]+rad,p[1]+rad,
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191 outline='black',fill='blue',
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192 tags=('curve','point', 'handle%d' % i))
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193 if worldp[1] == 0:
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194 rad += 3
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195 dot2 = self.create_oval(p[0]-rad,p[1]-rad,
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196 p[0]+rad,p[1]+rad,
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197 outline='darkgreen',
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198 tags=('curve','point', 'handle%d' % i))
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199 self.tag_bind('handle%d' % i,"<ButtonPress-1>",
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200 lambda ev,i=i: self.dotpress(ev,i))
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201 self.bind("<Motion>",
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202 lambda ev,i=i: self.dotmotion(ev,i))
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203 self.bind("<ButtonRelease-1>",
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204 lambda ev,i=i: self.dotrelease(ev,i))
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205 self.dots[i]=dot
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206
205
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207 self.highlight_selected_dots()
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208
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209
205
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210 def newpointatmouse(self, ev):
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211 p = self.world_from_screen(ev.x,ev.y)
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212 x, y = p
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213 y = max(0, y)
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214 y = min(1, y)
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215 p = x, y
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216 self.add_point(p)
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217
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218 def add_point(self, p):
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219 self.unselect()
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220 self.curve.insert_pt(p)
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221 self.update()
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222
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223 def highlight_selected_dots(self):
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224 for i,d in self.dots.items():
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225 if i in self.selected_points:
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226 self.itemconfigure(d,fill='red')
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227 else:
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228 self.itemconfigure(d,fill='blue')
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229
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230 def dotpress(self,ev,dotidx):
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231 self.selected_points=[dotidx]
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232 self.highlight_selected_dots()
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233
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234 def dotmotion(self,ev,dotidx):
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235 cp = self.curve.points
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236 moved=0
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237 for idx in self.selected_points:
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238 x,y = self.world_from_screen(ev.x,ev.y)
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239 y = max(0,min(1,y))
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240 if idx>0 and x<=cp[idx-1][0]:
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241 continue
202
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242 if idx<len(cp)-1 and x>=cp[idx+1][0]:
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243 continue
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244 moved=1
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245 cp[idx] = (x,y)
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246 if moved:
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247 self.update()
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248 def unselect(self):
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249 self.selected_points=[]
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250 self.highlight_selected_dots()
196
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251
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252 def dotrelease(self,ev,dotidx):
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253 self.unselect()
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254
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255 class Curveset:
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256 curves = None # curvename : curve
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257 def __init__(self):
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258 self.curves = {}
202
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259 def load(self,basename):
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260 """find all files that look like basename-curvename and add
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261 curves with their contents"""
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262 for filename in glob.glob("%s-*"%basename):
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263 curvename = filename[filename.find('-')+1:]
202
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264 c=Curve()
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265 c.load(filename)
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266 curvename = curvename.replace('-','_')
202
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267 self.add_curve(curvename,c)
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268 def save(self,basename):
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269 """writes a file for each curve with a name
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270 like basename-curvename"""
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271 for name,cur in self.curves.items():
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272 cur.save("%s-%s" % (basename,name))
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273 def add_curve(self,name,curve):
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274 self.curves[name] = curve
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275 dispatcher.send("add_curve",sender=self,name=name)
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276 def globalsdict(self):
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277 return self.curves.copy()
205
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278 def new_curve(self,name):
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279 if name=="":
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280 print "no name given"
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281 return
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282 while name in self.curves:
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283 name=name+"-1"
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284
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285 self.add_curve(name,Curve())
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286
0
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287
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288 class Curvesetview(tk.Frame):
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289 curves = None # curvename : Curveview
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290 def __init__(self,master,curveset,**kw):
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291 self.curves = {}
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292 self.curveset = curveset
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293 tk.Frame.__init__(self,master,**kw)
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294
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295 f = tk.Frame(self,relief='raised',bd=1)
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296 f.pack(side='top',fill='x')
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297 tk.Button(f,text="new curve named:",
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298 command=lambda: self.curveset.new_curve(self.newcurvename.get())).pack(side='left')
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299 self.newcurvename = tk.StringVar()
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300 tk.Entry(f,textvariable=self.newcurvename).pack(side='left',
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301 fill='x',exp=1)
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302
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303
0
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304 dispatcher.connect(self.add_curve,"add_curve",sender=self.curveset)
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305 def add_curve(self,name):
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306 f = tk.Frame(self,relief='raised',bd=1)
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307 f.pack(side='top',fill='both',exp=1)
205
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308 tk.Label(f,text="curve %r"%name,width=15).pack(side='left')
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309 cv = Curveview(f,self.curveset.curves[name])
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310 cv.pack(side='right',fill='both',exp=1)
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311 self.curves[name] = cv
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312
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313 class Music:
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314 def __init__(self):
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315 self.player=None # xmlrpc Proxy to player
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316 self.recenttime=0
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317
0
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318 def current_time(self):
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319 """return deferred which gets called with the current time"""
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320 if self.player is None:
205
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321 self.player = Proxy("http://miles:8040")
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322 # d = self.player.callRemote("songlength")
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323 # d.addCallback(lambda l: dispatcher.send("max time",maxtime=l))
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324 # d = self.player.callRemote("songname")
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325 # d.addCallback(lambda n: dispatcher.send("songname",name=n))
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326 d = self.player.callRemote('gettime')
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327 def sendtime(t):
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328 dispatcher.send("input time",val=t)
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329 return t # pass along to the real receiver
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330 def error(e):
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331 pass#self.player=None
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332 d.addCallback(sendtime)
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333 return d
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334
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335 class Subexpr:
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336 curveset = None
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337 def __init__(self,curveset,expr=""):
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338 self.curveset = curveset
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339 self.lasteval = None
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340 self.expr=expr
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341 self._smooth_random_items = [random.random() for x in range(100)]
0
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342 def eval(self,t):
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343 if self.expr=="":
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344 dispatcher.send("expr_error",sender=self,exc="no expr, using 0")
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345 return 0
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346 glo = self.curveset.globalsdict()
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347 glo['t'] = t
205
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348
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349 glo['nsin'] = lambda x: (math.sin(x * (2 * math.pi)) + 1) / 2
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350 glo['ncos'] = lambda x: (math.cos(x * (2 * math.pi)) + 1) / 2
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351 glo['within'] = lambda a, b: a < t < b
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352 glo['bef'] = lambda x: t < x
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353 glo['aft'] = lambda x: x < t
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354 glo['smoove'] = lambda x: -2 * (x ** 3) + 3 * (x ** 2)
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355
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356 def smooth_random(speed=1):
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357 """1 = new stuff each second, <1 is slower, fade-ier"""
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358 x = (t * speed) % len(self._smooth_random_items)
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359 x1 = int(x)
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360 x2 = (int(x) + 1) % len(self._smooth_random_items)
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361 y1 = self._smooth_random_items[x1]
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362 y2 = self._smooth_random_items[x2]
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363 return y1 + (y2 - y1) * ((x - x1))
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364
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365 def notch_random(speed=1):
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366 """1 = new stuff each second, <1 is slower, notch-ier"""
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367 x = (t * speed) % len(self._smooth_random_items)
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368 x1 = int(x)
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369 y1 = self._smooth_random_items[x1]
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370 return y1
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371
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372 glo['noise'] = smooth_random
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373 glo['notch'] = notch_random
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374
0
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375 try:
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376 self.lasteval = eval(self.expr,glo)
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377 except Exception,e:
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378 dispatcher.send("expr_error",sender=self,exc=e)
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379 else:
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380 dispatcher.send("expr_error",sender=self,exc="ok")
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381 return self.lasteval
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382
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383 def expr():
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384 doc = "python expression for level as a function of t, using curves"
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385 def fget(self):
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386 return self._expr
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387 def fset(self, value):
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388 self._expr = value
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389 dispatcher("expr_changed",sender=self)
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390 return locals()
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391 expr = property(**expr())
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392
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393 class Subexprview(tk.Frame):
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394 def __init__(self,master,se,**kw):
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395 self.subexpr=se
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396 tk.Frame.__init__(self,master,**kw)
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397 self.evar = tk.StringVar()
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398 e = self.ent = tk.Entry(master,textvariable=self.evar)
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399 e.pack(side='left',fill='both',exp=1)
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400 self.expr_changed()
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401 self.evar.trace_variable('w',self.evar_changed)
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402 dispatcher.connect(self.expr_changed,"expr_changed",
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403 sender=self.subexpr)
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404 self.error = tk.Label(master)
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405 self.error.pack(side='left')
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406 dispatcher.connect(lambda exc: self.error.config(text=str(exc)),
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407 "expr_error",sender=self.subexpr,weak=0)
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408 def expr_changed(self):
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409 if self.subexpr.expr!=self.evar.get():
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410 self.evar.set(self.subexpr.expr)
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411 def evar_changed(self,*args):
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412 self.subexpr.expr = self.evar.get()
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413
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414 class Subterm:
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415 """one Submaster and its Subexpr"""
205
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416 def __init__(self,submaster,subexpr):
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417 make_attributes_from_args('submaster','subexpr')
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418 def scaled(self,t):
205
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419 return self.submaster * self.subexpr.eval(t)
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420
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421 class Subtermview(tk.Frame):
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422 def __init__(self,master,st,**kw):
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423 self.subterm = st
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424 tk.Frame.__init__(self,master,bd=1,relief='raised',**kw)
205
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425 l = tk.Label(self,text="sub %r" % self.subterm.submaster.name)
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426 l.pack(side='left')
0
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427 sev=Subexprview(self,self.subterm.subexpr)
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428 sev.pack(side='left',fill='both',exp=1)
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429
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430 class Output:
205
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431 lastsendtime=0
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432 lastsendlevs=None
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433 def __init__(self,subterms):
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434 make_attributes_from_args('subterms')
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435 def send_dmx(self,t):
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436
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437 scaledsubs=[]
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438 for st in self.subterms:
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439 scl = st.scaled(t)
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440 scaledsubs.append(scl)
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441 out = Submaster.sub_maxes(*scaledsubs)
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442 levs = out.get_levels()
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443 now=time.time()
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444 if now-self.lastsendtime>5 or levs!=self.lastsendlevs:
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445 dispatcher.send("output levels",val=levs)
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446 dmxclient.outputlevels(out.get_dmx_list(),
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447 twisted=1,clientid='curvecalc')
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448 self.lastsendtime = now
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449 self.lastsendlevs = levs
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450
202
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451 def create_status_lines(master):
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452 for signame,textfilter in [
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453 ('input time',lambda t: "%.2fs"%t),
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454 ('output levels',
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455 lambda levels: textwrap.fill("; ".join(["%s:%.2f"%(n,v)
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456 for n,v in
205
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457 levels.items()[:5]
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458 if v>0]),70)),
197
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459 ('update period',lambda t: "%.1fms"%(t*1000)),
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460 ]:
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461 l = tk.Label(master,anchor='w',justify='left')
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462 l.pack(side='top',fill='x')
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463 dispatcher.connect(lambda val,l=l,sn=signame,tf=textfilter:
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464 l.config(text=sn+": "+tf(val)),
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465 signame,weak=0)
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466
202
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467 def savesubterms(filename,subterms):
205
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468 s=""
202
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469 for st in subterms:
205
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470 s=s+"%s %s\n" % (st.submaster.name,st.subexpr.expr)
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471
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472 file(filename,'w').write(s)
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473
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474 class SubtermSetView(tk.Frame):
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475 def __init__(self, master, *args, **kw):
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476 tk.Frame.__init__(self, master, *args, **kw)
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477 self.cur_row = 0
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478 self.cur_col = 0
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479 self.ncols = 2
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480 def add_subtermview(self, stv):
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481 stv.grid(row=self.cur_row, column=self.cur_col, sticky='news')
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482 self.columnconfigure(self.cur_col, weight=1)
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483
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484 self.cur_col += 1
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485 self.cur_col %= self.ncols
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486 if self.cur_col == 0:
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487 self.cur_row += 1
202
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488
205
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489 def add_one_subterm(subname, curveset, subterms, root, expr=''):
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490 term = Subterm(Submaster.Submaster(subname), Subexpr(curveset,expr))
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491 subterms.append(term)
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492
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493 stv=Subtermview(ssv,term)
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494 # stv.pack(side='top',fill='x')
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495 global ssv
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496 ssv.add_subtermview(stv)
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497
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498 return term
0
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499
205
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500 def subterm_adder(master, curveset, subterms, root):
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501 f=tk.Frame(master,relief='raised',bd=1)
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502 newname = tk.StringVar()
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503
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504 def add_cmd():
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505 add_one_subterm(newname.get(), curveset, subterms, root, '')
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506
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507 tk.Button(f,text="new subterm named:", command=add_cmd).pack(side='left')
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508 tk.Entry(f,textvariable=newname).pack(side='left',fill='x',exp=1)
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509 return f
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510
0
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511 #######################################################################
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512 root=tk.Tk()
205
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513 root.tk_setPalette("gray50")
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514 root.wm_geometry("1120x850")
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515 root.tk_focusFollowsMouse()
0
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516
202
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517 music=Music()
0
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518
197
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519 zc = Zoomcontrol(root)
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520 zc.pack(side='top',fill='x')
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521
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522 curveset = Curveset()
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523 csv = Curvesetview(root,curveset)
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524 csv.pack(side='top',fill='both',exp=1)
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525
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526 ssv = SubtermSetView(root)
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527 ssv.pack(side='top', fill='x')
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528
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529 song = sys.argv[1]
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530 root.title("Curemaster 2000MX - %s" % song)
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531
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532 musicfilename = "/my/music/projects/sharlyn2004/%s.wav" % song
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533 maxtime = wavelength(musicfilename)
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534 dispatcher.send("max time",maxtime=maxtime)
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535 dispatcher.connect(lambda: maxtime, "get max time",weak=0)
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536 curveset.load(basename="curves/"+song)
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537
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538 subterms = []
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539 subterm_adder(root, curveset, subterms, root).pack(side='top',fill='x')
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540 for line in file("subterms/"+song):
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541 subname,expr = line.strip().split(" ",1)
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542
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543 term = add_one_subterm(subname, curveset, subterms, root, expr)
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544
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545 # stv=Subtermview(root,term)
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546 # stv.pack(side='top',fill='x')
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547
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548 out = Output(subterms)
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549
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550 def savekey(*args):
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551 print "saving",song
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552 savesubterms("subterms/"+song,subterms)
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553 curveset.save(basename="curves/"+song)
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554 print "saved"
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555
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556
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557 root.bind("<Control-Key-s>",savekey)
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558
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559 create_status_lines(root)
196
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560
0
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561 recent_t=[]
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562 later = None
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563 def update():
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564 global later
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565 d = music.current_time()
0
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566 d.addCallback(update2)
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567 d.addErrback(updateerr)
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568 def updateerr(e):
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569 global later
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570 print "err",e
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571 if later and not later.cancelled and not later.called: later.cancel()
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572 later = reactor.callLater(1,update)
0
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573 def update2(t):
202
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574 global recent_t,later
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575
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576 if later and not later.cancelled and not later.called: later.cancel()
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577 later = reactor.callLater(.01,update)
0
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578
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579 recent_t = recent_t[-50:]+[t]
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580 period = (recent_t[-1]-recent_t[0])/len(recent_t)
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parents:
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581 dispatcher.send("update period",val=period)
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parents:
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582 out.send_dmx(t)
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parents:
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583 update()
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584
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585 #def logprint(msg):
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586 # print "log",msg
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587 #twisted.python.log.addObserver(logprint)
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588
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589 root.bind("<Control-Key-q>",lambda ev: reactor.stop)
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590 root.bind("<Destroy>",lambda ev: reactor.stop)
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591 root.protocol('WM_DELETE_WINDOW', reactor.stop)
0
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592 tksupport.install(root,ms=10)
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593 if 0:
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594 sys.path.append("/home/drewp/projects/editor/pour")
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595 from utils import runstats
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parents:
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596 runstats("reactor.run()")
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597 else:
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598 reactor.run()