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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-09-25 21:55:55 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-09-25 21:55:55 (GMT) |
| commit | 81108375d9b2ccd0add1572da745311d4dfac505 (patch) | |
| tree | 54632e1d6ec58850f70941452634c4faf1ea7218 /Lib/enum.py | |
| parent | f1502d097c29b266a5748312ee2451a2d6ac0af6 (diff) | |
| download | cpython-81108375d9b2ccd0add1572da745311d4dfac505.zip cpython-81108375d9b2ccd0add1572da745311d4dfac505.tar.gz cpython-81108375d9b2ccd0add1572da745311d4dfac505.tar.bz2 | |
bpo-30152: Reduce the number of imports for argparse. (#1269)
Diffstat (limited to 'Lib/enum.py')
| -rw-r--r-- | Lib/enum.py | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/Lib/enum.py b/Lib/enum.py index 6d90f7d..fe7cb20 100644 --- a/Lib/enum.py +++ b/Lib/enum.py @@ -1,7 +1,5 @@ import sys from types import MappingProxyType, DynamicClassAttribute -from functools import reduce -from operator import or_ as _or_ # try _collections first to reduce startup cost try: @@ -744,11 +742,10 @@ class Flag(Enum): def __invert__(self): members, uncovered = _decompose(self.__class__, self._value_) - inverted_members = [ - m for m in self.__class__ - if m not in members and not m._value_ & self._value_ - ] - inverted = reduce(_or_, inverted_members, self.__class__(0)) + inverted = self.__class__(0) + for m in self.__class__: + if m not in members and not (m._value_ & self._value_): + inverted = inverted | m return self.__class__(inverted) |