cleaned up some pep8/pyflakes violations

surf/geometry.py

@@ -1,6 +1,4 @@
-from __future__ import division
 import pprint
-import json
 
 '''
 http://en.wikipedia.org/wiki/Polygon_mesh
@@ -95,9 +93,16 @@ class Vertex(object):
         self.y = y
         self.z = z
         self.edges = []
+
+    def __eq__(self, other):
+        if(self.x == other.x and self.y == other.y and self.z == other.z):
+            return True
+        else:
+            return False
+
         
     def __repr__(self):
-        return "<%.2f, %.2f, %.2f>" % (self.x, self.y, self.z)
+        return "[%.2f, %.2f, %.2f]" % (self.x, self.y, self.z)
         
     def __add__(self, other):
         # for now just assume type(other) = Vertex... bad, I know
@@ -115,6 +120,7 @@ class Vertex(object):
     
     def __div__(self, other):
         # same assumption as __mult__
+        other = float(other)
         return Vertex(self.x / other, self.y / other, self.z / other)
     
 class Edge(object):

surf/subd/cc.py

@@ -1,4 +1,4 @@
-from surf.geometry import *
+from surf.geometry import Vertex, Polygon
 
 def refine(poly):
     '''

surf/util.py

@@ -1,12 +1,13 @@
 from surf.geometry import Vertex, Edge, Face, Polygon
 
+
 def cube():
     v = []
     v.append(Vertex(0.0, 1.0, 0.0))
     v.append(Vertex(1.0, 1.0, 0.0))
     v.append(Vertex(1.0, 0.0, 0.0))
     v.append(Vertex(0.0, 0.0, 0.0))
-    
+
     v.append(Vertex(0.0, 1.0, 1.0))
     v.append(Vertex(1.0, 1.0, 1.0))
     v.append(Vertex(1.0, 0.0, 1.0))