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author | Tim Peters <tim.peters@gmail.com> | 2006-05-10 02:43:01 +0000 |
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committer | Tim Peters <tim.peters@gmail.com> | 2006-05-10 02:43:01 +0000 |
commit | ad2ef33245bdd90bf0e80824dbba732b17fdf6b6 (patch) | |
tree | 7ba86f8d781849d7d8c2b536dd848368bda2f71f /Lib/doctest.py | |
parent | 40f55b2f08c89cedb03b9af7fc3e5e2ffe68e219 (diff) | |
download | cpython-git-ad2ef33245bdd90bf0e80824dbba732b17fdf6b6.tar.gz |
Variant of patch #1478292. doctest.register_optionflag(name)
shouldn't create a new flag when `name` is already the name of
an option flag.
Diffstat (limited to 'Lib/doctest.py')
-rw-r--r-- | Lib/doctest.py | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Lib/doctest.py b/Lib/doctest.py index 900d8718f9..318b21df54 100644 --- a/Lib/doctest.py +++ b/Lib/doctest.py @@ -129,9 +129,8 @@ warnings.filterwarnings("ignore", "is_private", DeprecationWarning, OPTIONFLAGS_BY_NAME = {} def register_optionflag(name): - flag = 1 << len(OPTIONFLAGS_BY_NAME) - OPTIONFLAGS_BY_NAME[name] = flag - return flag + # Create a new flag unless `name` is already known. + return OPTIONFLAGS_BY_NAME.setdefault(name, 1 << len(OPTIONFLAGS_BY_NAME)) DONT_ACCEPT_TRUE_FOR_1 = register_optionflag('DONT_ACCEPT_TRUE_FOR_1') DONT_ACCEPT_BLANKLINE = register_optionflag('DONT_ACCEPT_BLANKLINE') |