=== modified file 'dateutil/relativedelta.py'
--- dateutil/relativedelta.py	2012-02-18 22:16:26 +0000
+++ dateutil/relativedelta.py	2012-03-22 20:39:55 +0000
@@ -403,6 +403,7 @@
                 self.hours == other.hours and
                 self.minutes == other.minutes and
                 self.seconds == other.seconds and
+                self.microseconds == other.microseconds and
                 self.leapdays == other.leapdays and
                 self.year == other.year and
                 self.month == other.month and
@@ -415,6 +416,16 @@
     def __ne__(self, other):
         return not self.__eq__(other)
 
+    def __cmp__(self, other):
+        for attr in ["years", "months", "days", "leapdays",
+                     "hours", "minutes", "seconds", "microseconds"]:
+            value = getattr(self, attr)
+            other_value = getattr(other, attr)
+            if value != other_value:
+                return value - other_value
+
+        return 0
+ 
     def __div__(self, other):
         return self.__mul__(1/float(other))
 

=== modified file 'test.py'
--- test.py	2012-02-18 23:18:56 +0000
+++ test.py	2012-03-22 20:39:36 +0000
@@ -166,6 +166,50 @@
         self.assertEqual(datetime(2000, 1, 1) + relativedelta(days=28) / 28,
                          datetime(2000, 1, 2))
 
+    def testEqual(self):
+        self.assertEqual(relativedelta(years=1), relativedelta(years=1))
+        self.assertEqual(relativedelta(months=1), relativedelta(months=1))
+        self.assertEqual(relativedelta(days=1), relativedelta(days=1))
+        self.assertEqual(relativedelta(hours=1), relativedelta(hours=1))
+        self.assertEqual(relativedelta(minutes=1), relativedelta(minutes=1))
+        self.assertEqual(relativedelta(seconds=1), relativedelta(seconds=1))
+        self.assertEqual(relativedelta(microseconds=1), relativedelta(microseconds=1))
+
+    def testNotEqual(self):
+        self.assertNotEqual(relativedelta(years=2), relativedelta(years=1))
+        self.assertNotEqual(relativedelta(months=2), relativedelta(months=1))
+        self.assertNotEqual(relativedelta(days=2), relativedelta(days=1))
+        self.assertNotEqual(relativedelta(hours=2), relativedelta(hours=1))
+        self.assertNotEqual(relativedelta(minutes=2), relativedelta(minutes=1))
+        self.assertNotEqual(relativedelta(seconds=2), relativedelta(seconds=1))
+        self.assertNotEqual(relativedelta(microseconds=2), relativedelta(microseconds=1))
+
+
+    def testCompare(self):
+        self.assertTrue(relativedelta(days=1) > relativedelta(days=0))
+        self.assertTrue(relativedelta(days=2) > relativedelta(days=1))
+        self.assertTrue(relativedelta(days=1) > relativedelta(days=-1))
+        self.assertTrue(relativedelta(days=0) > relativedelta(days=-1))
+
+        self.assertTrue(relativedelta(days=0) < relativedelta(days=1))
+        self.assertTrue(relativedelta(days=1) < relativedelta(days=2))
+        self.assertTrue(relativedelta(days=-1) < relativedelta(days=1))
+        self.assertTrue(relativedelta(days=-1) < relativedelta(days=0))
+
+        self.assertTrue(relativedelta(days=1) >= relativedelta(days=0))
+        self.assertTrue(relativedelta(days=2) >= relativedelta(days=1))
+        self.assertTrue(relativedelta(days=1) >= relativedelta(days=-1))
+        self.assertTrue(relativedelta(days=0) >= relativedelta(days=-1))
+        self.assertTrue(relativedelta(days=0) >= relativedelta(days=0))
+
+        self.assertTrue(relativedelta(days=0) <= relativedelta(days=0))
+        self.assertTrue(relativedelta(days=1) <= relativedelta(days=2))
+        self.assertTrue(relativedelta(days=-1) <= relativedelta(days=1))
+        self.assertTrue(relativedelta(days=-1) <= relativedelta(days=0))
+        self.assertTrue(relativedelta(days=0) <= relativedelta(days=0))
+        self.assertTrue(relativedelta(days=0) <= relativedelta(days=0))
+        self.assertTrue(relativedelta(days=-1) <= relativedelta(days=-1))
+
 class RRuleTest(unittest.TestCase):
 
     def testYearly(self):