Merged revisions 79455 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r79455 | mark.dickinson | 2010-03-27 11:09:29 +0000 (Sat, 27 Mar 2010) | 2 lines

  Make Fraction to complex comparisons with <=, <, >= or > raise TypeError.
........

Lib/fractions.py

@@ -526,8 +526,6 @@ class Fraction(numbers.Rational):
         if isinstance(other, numbers.Rational):
             return op(self._numerator * other.denominator,
                       self._denominator * other.numerator)
-        if isinstance(other, numbers.Complex) and other.imag == 0:
-            other = other.real
         if isinstance(other, float):
             if math.isnan(other) or math.isinf(other):
                 return op(0.0, other)

Lib/test/test_fractions.py

@@ -479,8 +479,21 @@ class FractionTest(unittest.TestCase):
 
     def testBigComplexComparisons(self):
         self.assertFalse(F(10**23) == complex(10**23))
-        self.assertTrue(F(10**23) > complex(10**23))
-        self.assertFalse(F(10**23) <= complex(10**23))
+        self.assertRaises(TypeError, operator.gt, F(10**23), complex(10**23))
+        self.assertRaises(TypeError, operator.le, F(10**23), complex(10**23))
+
+        x = F(3, 8)
+        z = complex(0.375, 0.0)
+        w = complex(0.375, 0.2)
+        self.assertTrue(x == z)
+        self.assertFalse(x != z)
+        self.assertFalse(x == w)
+        self.assertTrue(x != w)
+        for op in operator.lt, operator.le, operator.gt, operator.ge:
+            self.assertRaises(TypeError, op, x, z)
+            self.assertRaises(TypeError, op, z, x)
+            self.assertRaises(TypeError, op, x, w)
+            self.assertRaises(TypeError, op, w, x)
 
     def testMixedEqual(self):
         self.assertTrue(0.5 == F(1, 2))