# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1367532777 -7200
# Node ID 52ce79af5ae73b95addbe67b88f2f1037219246e
# Parent  457a5817ee498b0c5f7c80edd8555eacd3070b53
Changed DateSupport to permit identical timespan instants (whose start and end
times are identical) to be recognised as such when compared.

diff -r 457a5817ee49 -r 52ce79af5ae7 DateSupport.py
--- a/DateSupport.py	Wed May 01 15:48:18 2013 +0200
+++ b/DateSupport.py	Fri May 03 00:12:57 2013 +0200
@@ -92,9 +92,7 @@
     as the earliest time in a particular day.
     """
 
-    are_equal = a == b
-
-    if are_equal:
+    if a == b:
         a2 = a.as_datetime_or_date()
         b2 = b.as_datetime_or_date()
 
@@ -746,20 +744,21 @@
         if isinstance(other, ActsAsTimespan):
             other = other.as_timespan()
 
-            if self.end is not None and other.start is not None and self.is_before(self.end, other.start):
-                return -1
-            elif self.start is not None and other.end is not None and self.is_before(other.end, self.start):
-                return 1
-            else:
-                return 0
+            before = self.end is not None and other.start is not None and self.is_before(self.end, other.start)
+            after = self.start is not None and other.end is not None and self.is_before(other.end, self.start)
+        else:
+            before = self.end is not None and self.is_before(self.end, other)
+            after = self.start is not None and self.is_before(other, self.start)
 
+        # Two identical points in time will be "before" each other according to
+        # the is_before test.
+
+        if not before and not after or before and after:
+            return 0
+        elif before:
+            return -1
         else:
-            if self.end is not None and self.is_before(self.end, other):
-                return -1
-            elif self.start is not None and self.is_before(other, self.start):
-                return 1
-            else:
-                return 0
+            return 1
 
 class TimespanCollection:
 
diff -r 457a5817ee49 -r 52ce79af5ae7 README.txt
--- a/README.txt	Wed May 01 15:48:18 2013 +0200
+++ b/README.txt	Fri May 03 00:12:57 2013 +0200
@@ -72,6 +72,8 @@
   * Introduced support for reverse iteration over stored items.
   * Expanded the stored metadata for cached remote resources in
     MoinRemoteSupport.
+  * Changed DateSupport to permit identical timespan instants (whose start and
+    end times are identical) to be recognised as such when compared.
 
 New in MoinSupport 0.2 (Changes since MoinSupport 0.1)
 ------------------------------------------------------