Make wscript work on python 2 and 3.

diff --git a/lut.py b/lut.py
index 954f094f86babd848d7c19383b21b2e76457da8d..9dd4ff204e582f58c6ec8d3a79d87e894d4839d5 100644 (file)
--- a/lut.py
+++ b/lut.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import math
 
 BIT_DEPTH = 12
@@ -7,7 +8,7 @@ BIT_LENGTH = int(math.pow(2, BIT_DEPTH))
 COLOR_DEPTH = BIT_LENGTH - 1
 
 def boilerplate(f):
-    print >>f, """/*
+    print("""/*
     Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
@@ -30,97 +31,97 @@ def boilerplate(f):
 /* This file is auto-generated by the build scripts; edits will be lost
    on ./waf configure.
 */
-"""
+""", file=f)
 
 def make_luts():
     cc = open('src/lut.cc', 'w')
 
     boilerplate(cc)
 
-    print >>cc,"#include \"lut.h\""
+    print("#include \"lut.h\"", file=cc)
 
-    print >>cc, """
+    print("""
 /* sRGB color matrix for XYZ -> RGB */
 float color_matrix[3][3] = {
   { 3.240454836, -1.537138850, -0.498531547},
   {-0.969266390,  1.876010929,  0.041556082},
   { 0.055643420, -0.204025854,  1.057225162}
 };\n\n
-"""
+""", file=cc)
 
-    print >>cc, """
+    print("""
 float lut_in[COLOR_DEPTH + 1] = {\n
 \t/* Bit depth:       %d
 \t * Reference white: DCI
 \t * Gamma:           %f
 \t */
-""" % (BIT_DEPTH, DCI_GAMMA)
+""" % (BIT_DEPTH, DCI_GAMMA), file=cc)
 
     c = 0
     for i in range(0, BIT_LENGTH):
-       v = math.pow (i / (BIT_LENGTH - 1.0), DCI_GAMMA);
+        v = math.pow (i / (BIT_LENGTH - 1.0), DCI_GAMMA);
 
         if (c == 0):
-            print >> cc,"    ",
+            print("    ", end='', file=cc)
 
         if i < BIT_LENGTH - 1:
-            print >> cc,"%06f, " % v,
+            print("%06f, " % v, end="", file=cc)
             if c == 12:
                 c = 0;
-                print >> cc,""
+                print("", file=cc)
             else:
                 c += 1
         else:
-            print >> cc,"%06f" % v
+            print("%06f" % v, file=cc)
 
-    print >>cc,"};"
+    print("};", file=cc)
 
-    print >>cc, """
+    print("""
 int lut_out[COLOR_DEPTH + 1] = {
 \t/* Bit depth:       %d
 \t * Reference white: sRGB
 \t * Gamma:           %f
 \t */
-"""
+""", file=cc)
 
     c = 0
     for i in range (0, BIT_LENGTH):
         v = i / (BIT_LENGTH - 1.0)
 
-       if (v < (0.04045 / 12.92)):
-           v *= 12.92
-       else:
-           v = (1.055 * pow (v, (1 / SRGB_GAMMA))) - 0.055;
+        if (v < (0.04045 / 12.92)):
+            v *= 12.92
+        else:
+            v = (1.055 * pow (v, (1 / SRGB_GAMMA))) - 0.055
 
-       v *= 255
+        v *= 255
 
         if c == 0:
-            print >> cc,"    ",
+            print("    ", end="", file=cc)
 
         if i < BIT_LENGTH - 1:
-            print >> cc, "%d, " % v,
+            print("%d, " % v, end="", file=cc)
             if c == 12:
                 c = 0;
-                print >> cc,""
+                print("", file=cc)
             else:
                 c += 1
         else:
-            print >> cc,"%d" % v
+            print("%d" % v, file=cc)
 
-    print >>cc,"};"
+    print("};", file=cc)
             
     h = open('src/lut.h', 'w')
 
     boilerplate(h)
 
-    print >> h,"""
+    print("""
 #define COLOR_DEPTH     (%d)
 #define DCI_COEFFICIENT (48.0/52.37)
 
 extern float color_matrix[3][3];
 extern int lut_out[COLOR_DEPTH + 1];
 extern float lut_in[COLOR_DEPTH + 1];
-""" % COLOR_DEPTH
+""" % COLOR_DEPTH, file=h)
 
 if __name__ == "__main__":
     make_luts()