diff options
Diffstat (limited to 'Lib/random.py')
| -rw-r--r-- | Lib/random.py | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/Lib/random.py b/Lib/random.py index 0ed5511e9f6..1e0dcc87ed4 100644 --- a/Lib/random.py +++ b/Lib/random.py @@ -102,18 +102,16 @@ class Random(_random.Random): ranges. """ - if (cls.random is _random.Random.random) or ( - cls.getrandbits is not _random.Random.getrandbits): - # The original random() builtin method has not been overridden - # or a new getrandbits() was supplied. - # The subclass can use the getrandbits-dependent implementation - # of _randbelow(). - cls._randbelow = cls._randbelow_with_getrandbits - else: - # There's an overridden random() method but no new getrandbits(), - # so the subclass can only use the getrandbits-independent - # implementation of _randbelow(). - cls._randbelow = cls._randbelow_without_getrandbits + for c in cls.__mro__: + if '_randbelow' in c.__dict__: + # just inherit it + break + if 'getrandbits' in c.__dict__: + cls._randbelow = cls._randbelow_with_getrandbits + break + if 'random' in c.__dict__: + cls._randbelow = cls._randbelow_without_getrandbits + break def seed(self, a=None, version=2): """Initialize internal state from hashable object. |