Simplify and fix interval comparison.

git-svn-id: http://svn.roundup-tracker.org/svnroot/roundup/roundup/trunk@4570 57a73879-2fb5-44c3-a270-3262357dd7e2

diff --git a/roundup/date.py b/roundup/date.py
index cedc6d4954e2189605e807ca786128385357b0a8..a86ed59fe0a3e909e58f040f7663c47c07d3ac21 100644 (file)
--- 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."""