Update the py3k version of the rational module to expose only methods needed by

py3k (i.e., no __div__) and use py3k functions like math.floor().

Lib/numbers.py

@@ -5,7 +5,6 @@
 
 TODO: Fill out more detailed documentation on the operators."""
 
-from __future__ import division
 from abc import ABCMeta, abstractmethod, abstractproperty
 
 __all__ = ["Number", "Exact", "Inexact",
@@ -62,8 +61,7 @@ class Complex(Number):
     def __complex__(self):
         """Return a builtin complex instance. Called for complex(self)."""
 
-    # Will be __bool__ in 3.0.
-    def __nonzero__(self):
+    def __bool__(self):
         """True if self != 0. Called for bool(self)."""
         return self != 0
 
@@ -121,30 +119,14 @@ class Complex(Number):
         """other * self"""
         raise NotImplementedError
 
-    @abstractmethod
-    def __div__(self, other):
-        """self / other without __future__ division
-
-        May promote to float.
-        """
-        raise NotImplementedError
-
-    @abstractmethod
-    def __rdiv__(self, other):
-        """other / self without __future__ division"""
-        raise NotImplementedError
-
     @abstractmethod
     def __truediv__(self, other):
-        """self / other with __future__ division.
-
-        Should promote to float when necessary.
-        """
+        """self / other: Should promote to float when necessary."""
         raise NotImplementedError
 
     @abstractmethod
     def __rtruediv__(self, other):
-        """other / self with __future__ division"""
+        """other / self"""
         raise NotImplementedError
 
     @abstractmethod