Merged revisions 60408-60440 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r60425 | raymond.hettinger | 2008-01-29 20:52:09 +0100 (Tue, 29 Jan 2008) | 1 line CallMethod is faster with a NULL third-argument than with an empty format string. ........ r60431 | raymond.hettinger | 2008-01-30 01:01:07 +0100 (Wed, 30 Jan 2008) | 1 line Add isdisjoint() to the Set/MutableSet ABCs. ........ r60432 | raymond.hettinger | 2008-01-30 01:08:31 +0100 (Wed, 30 Jan 2008) | 1 line MutableSets support a remove() method. ........ r60433 | raymond.hettinger | 2008-01-30 01:51:58 +0100 (Wed, 30 Jan 2008) | 1 line Demonstrate new except/as syntax. ........ r60440 | christian.heimes | 2008-01-30 12:32:37 +0100 (Wed, 30 Jan 2008) | 1 line Patch #1970 by Antoine Pitrou: Speedup unicode whitespace and linebreak detection. The speedup is about 25% for split() (571 / 457 usec) and 35% (175 / 127 usec )for splitlines() ........

--- a/Lib/_abcoll.py	Wed Jan 30 11:57:58 2008 +0000
+++ b/Lib/_abcoll.py	Wed Jan 30 11:58:22 2008 +0000
@@ -211,6 +211,12 @@
             return NotImplemented
         return self._from_iterable(value for value in other if value in self)
 
+    def isdisjoint(self, other):
+        for value in other:
+            if value in self:
+                return False
+        return True
+
     def __or__(self, other):
         if not isinstance(other, Iterable):
             return NotImplemented
@@ -278,6 +284,12 @@
         """Return True if it was deleted, False if not there."""
         raise NotImplementedError
 
+    def remove(self, value):
+        """Remove an element. If not a member, raise a KeyError."""
+        if value not in self:
+            raise KeyError(value)
+        self.discard(value)
+
     def pop(self):
         """Return the popped value.  Raise KeyError if empty."""
         it = iter(self)