diff options
| -rw-r--r-- | Lib/sets.py | 5 | ||||
| -rw-r--r-- | Misc/NEWS | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Lib/sets.py b/Lib/sets.py index 2605c98..6d2c032 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -102,6 +102,11 @@ class BaseSet(object): """ return self._data.iterkeys() + # Three-way comparison is not supported + + def __cmp__(self, other): + raise TypeError, "can't compare sets using cmp()" + # Equality comparisons using the underlying dicts def __eq__(self, other): @@ -78,6 +78,10 @@ Extension modules Library ------- +- The sets module now raises TypeError in __cmp__, to clarify that + sets are not intended to be three-way-compared; the comparison + operators are overloaded as subset/superset tests. + - Bastion.py and rexec.py are disabled. These modules are not safe in Python 2.2. or 2.3. |