Merge pull request #8 from adrianliaw/use-super

Use "super"

Author: adrianliaw

pycuber/formula.py

@@ -265,22 +265,40 @@ def __hash__(self):
 
     @property
     def name(self):
+        """
+        Name of the Step object (B', R, U2)
+        """
         return self.__name()
 
     @property
     def is_counter_clockwise(self):
+        """
+        True if direction is counter-clockwise (not including 180 degrees)
+        False otherwise
+        """
         return self.__is_counter_clockwise()
 
     @property
     def is_clockwise(self):
+        """
+        True if direction is clockwise (not including 180 degrees)
+        False otherwise
+        """
         return self.__is_clockwise()
 
     @property
     def is_180(self):
+        """
+        True if the action is to turn 180 degrees
+        False otherwise
+        """
         return self.__is_180()
 
     @property
     def face(self):
+        """
+        Face of the step (R, U, l, x, M)
+        """
         return self.__face()
 
 
@@ -367,9 +385,10 @@ def __getitem__(self, index):
         >>> a[1]
         U
         """
+        result = super(Formula, self).__getitem__(index)
         if isinstance(index, slice):
-            return Formula(list.__getitem__(self, index))
-        return list.__getitem__(self, index)
+            return Formula(result)
+        return result
 
     def __setitem__(self, index, item):
         """
@@ -387,9 +406,9 @@ def __setitem__(self, index, item):
             del self[index]
             return
         if isinstance(index, slice):
-            list.__setitem__(self, index, Formula(item))
+            super(Formula, self).__setitem__(index, Formula(item))
         else:
-            list.__setitem__(self, index, Step(item))
+            super(Formula, self).__setitem__(index, Step(item))
 
     def __setattr__(self, name, value):
         """