X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=roundup%2Fdate.py;fp=roundup%2Fdate.py;h=a86ed59fe0a3e909e58f040f7663c47c07d3ac21;hb=aae24244fbc4b208adb0d0db5382407331101fe6;hp=cedc6d4954e2189605e807ca786128385357b0a8;hpb=a8a4efe2b384fea653554aa00e44013d8a612528;p=roundup.git

diff --git a/roundup/date.py b/roundup/date.py
index cedc6d4..a86ed59 100644
--- a/roundup/date.py
+++ b/roundup/date.py
@@ -719,14 +719,8 @@ class Interval:
 
     def __cmp__(self, other):
         """Compare this interval to another interval."""
-        if other is None:
-            # we are always larger than None
-            return 1
-        for attr in 'sign year month day hour minute second'.split():
-            r = cmp(getattr(self, attr), getattr(other, attr))
-            if r:
-                return r
-        return 0
+
+        return cmp(self.as_seconds(), other.as_seconds())
 
     def __str__(self):
         """Return this interval as a string."""