diff options
Diffstat (limited to 'Lib/enum.py')
| -rw-r--r-- | Lib/enum.py | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Lib/enum.py b/Lib/enum.py index 62df304..92a9632 100644 --- a/Lib/enum.py +++ b/Lib/enum.py @@ -1463,12 +1463,11 @@ class Flag(Enum, boundary=STRICT): else: pseudo_member._name_ = None # use setdefault in case another thread already created a composite - # with this value, but only if all members are known - # note: zero is a special case -- add it - if not unknown: - pseudo_member = cls._value2member_map_.setdefault(value, pseudo_member) - if neg_value is not None: - cls._value2member_map_[neg_value] = pseudo_member + # with this value + # note: zero is a special case -- always add it + pseudo_member = cls._value2member_map_.setdefault(value, pseudo_member) + if neg_value is not None: + cls._value2member_map_[neg_value] = pseudo_member return pseudo_member def __contains__(self, other): @@ -1544,8 +1543,8 @@ class Flag(Enum, boundary=STRICT): # use all bits self._inverted_ = self.__class__(~self._value_) else: - # calculate flags not in this member - self._inverted_ = self.__class__(self._flag_mask_ ^ self._value_) + # use canonical bits (i.e. calculate flags not in this member) + self._inverted_ = self.__class__(self._singles_mask_ ^ self._value_) if isinstance(self._inverted_, self.__class__): self._inverted_._inverted_ = self return self._inverted_ |