Py3 bug in tools.py. Made examples Py3-compatibles

examples/_run_all_examples.py

@@ -4,7 +4,14 @@
 
 
 import os
-examples = [f for f in os.listdir('.') if f.endswith(".py")
-                                       and not f.startswith('_')]
+
+
+def execfile(filename):
+    exec(compile(open(filename, "rb").read(), filename, 'exec'))
+
+examples = [f for f in os.listdir('.') if f.endswith(".py") and
+                                       not f.startswith('_')]
+
 for f in examples:
-    execfile(f)
+    print ("running: "+f)
+    exec("import "+f[:-3])

examples/logo.py

@@ -25,6 +25,7 @@
 
 gradient=gz.ColorGradient('radial', [(0,(.3,.2,.8)),(1,(.4,.6,.8))],
                       xy1=(0,0), xy2=(0,r/3), xy3=(0,r))
+
 triangle = gz.regular_polygon(r, n=3,fill=gradient, stroke=(0,0,0),
                               stroke_width=3, xy = (r,0))
 

examples/roses.py

@@ -23,7 +23,7 @@ def rose(d, n):
 
 def position(d, n):
     """ Defines the (x,y) position of the rose(d,n)."""
-    return [1.1*(2*i-.6)*rose_radius for i in [d, n]]
+    return [(1.1*(2*i-.6) * rose_radius) for i in [d, n]]
 
 W, H = [int(c+2*rose_radius) for c in position(max_d,max_n)] 
 

gizeh/tools.py

@@ -5,4 +5,4 @@ def htmlcolor_to_rgb(string):
         raise ValueError("Bad html color format. Expected: '#RRGGBB' ")
 
 
-    return [1.0*int(n,16)/255 for n in string[:2], string[2:4], string[4:]]
+    return [1.0*int(n,16)/255 for n in (string[:2], string[2:4], string[4:])]