2to3 and writebml support

staticSinePlasma.py

@@ -10,6 +10,8 @@ import math
 import colorsys
 import blup.frame
 import blup.output
+import blup.animation
+import writebml
 
 
 class Plasma(object):
@@ -17,29 +19,29 @@ class Plasma(object):
         self.width = width
         self.height = height
 
-		self.pixelvalues = [[0] * height for i in xrange(width)]
+        self.pixelvalues = [[0] * height for i in range(width)]
         self.pixelsReady = False
         self.offset = 0
         self.update()
 
     @property
     def minValue(self):
-		return min(map(min, self.pixelvalues))
+        return min(list(map(min, self.pixelvalues)))
 
     @property
     def maxValue(self):
-		return max(map(max, self.pixelvalues))
+        return max(list(map(max, self.pixelvalues)))
 
     def applyPalette(self, palette):
         min = self.minValue
         max = self.maxValue
         norm = lambda x: ((x - min) / max)
 
-		pixeldata = [ [None] * self.height for i in xrange(self.width) ]
+        pixeldata = [ [None] * self.height for i in range(self.width) ]
 
-		for x in xrange(self.width):
+        for x in range(self.width):
             rowvalues = self.pixelvalues[x]
-			for y in xrange(self.height):
+            for y in range(self.height):
                 pixeldata[x][y] = palette.getColorValue(norm(rowvalues[y]))
 
         return pixeldata
@@ -49,8 +51,8 @@ class Plasma(object):
         #    return
         self.offset += 1
 
-		for x in xrange(self.width):
-			for y in xrange(self.height):
+        for x in range(self.width):
+            for y in range(self.height):
                 xx = x+self.offset
                 yy = y+self.offset
                 p = 128 + 128 * math.sin(xx / 9.0)
@@ -68,10 +70,10 @@ class Palette(object):
 
     def getColorValue(self, x):
         x = round(x, 3)
-		if self.cache.has_key(x):
+        if x in self.cache:
             return self.cache[x]
         c = colorsys.hsv_to_rgb((x + self.offset) % 1, 1, 1)
-		c = map(lambda x: int(x * 255), c)
+        c = list(map(lambda x: int(x * 255), c))
         self.cache[x] = c
         return c
 
@@ -103,9 +105,19 @@ dim = blup.frame.FrameDimension(w, h, 256, 3)
 #out = blup.output.getOutput('serialblup:/dev/ttyUSB0:115200')
 #out = blup.output.getOutput('colorfulshell')
 #out = blup.output.getOutput('e3blp:bastel0:4242')
-out = blup.output.getOutput('e3blp')
 
-while True:
+if len(sys.argv) > 1:
+    outfile = sys.argv[1]
+    anim = blup.animation.Animation(dim)
+else:
+    out = blup.output.getOutput('e3blp')
+    anim = None
+
+num_frames = 200
+delay = 50
+
+i = 0
+while i < num_frames:
     #screen.fill((0,0,0))
 
     #print 'updating palette...'
@@ -116,20 +128,31 @@ while True:
     pixeldata = plasma.applyPalette(palette)
 
     #print 'drawing...'
-	f = blup.frame.Frame(dim)
-	for x in xrange(w):
+    if anim is not None:
+        frame = blup.animation.AnimationFrame(dim, delay)
+    else:
+        frame = blup.frame.Frame(dim)
+
+    for x in range(w):
         #rowdata = pixeldata[x]
-		for y in xrange(h):
+        for y in range(h):
             #pygame.draw.rect(screen, pixeldata[x][y], (x*scalex, y*scaley, scalex, scaley), 0)
             #pygame.draw.circle(screen, rowdata[y], (x, y), 1, 1)
-			i= f.setPixel(x, y, pixeldata[x][y])
+            frame.setPixel(x, y, pixeldata[x][y])
             #print frame.channels, frame.depth
     #print 'done drawing'
 
-	out.sendFrame(f)
+    if anim is not None:
+        anim.addFrame(frame)
+        i += 1
+    else:
+        out.sendFrame(frame)
+        time.sleep(delay / 1000)
 
     #pygame.display.update()
     #print 'done updating'
     #time.sleep(0.05)
 
+if anim is not None:
+    writebml.writeBml(anim, outfile)