diff options
Diffstat (limited to 'Lib/distutils/version.py')
| -rw-r--r-- | Lib/distutils/version.py | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/Lib/distutils/version.py b/Lib/distutils/version.py index 71a5614..2cd3636 100644 --- a/Lib/distutils/version.py +++ b/Lib/distutils/version.py @@ -32,7 +32,8 @@ from types import StringType class Version: """Abstract base class for version numbering classes. Just provides constructor (__init__) and reproducer (__repr__), because those - seem to be the same for all version numbering classes. + seem to be the same for all version numbering classes; and route + rich comparisons to __cmp__. """ def __init__ (self, vstring=None): @@ -42,6 +43,42 @@ class Version: def __repr__ (self): return "%s ('%s')" % (self.__class__.__name__, str(self)) + def __eq__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c == 0 + + def __ne__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c != 0 + + def __lt__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c < 0 + + def __le__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c <= 0 + + def __gt__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c > 0 + + def __ge__(self, other): + c = self.__cmp__(other) + if c is NotImplemented: + return c + return c >= 0 + # Interface for version-number classes -- must be implemented # by the following classes (the concrete ones -- Version should |