diff options
Diffstat (limited to 'argparse.py')
| -rw-r--r-- | argparse.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/argparse.py b/argparse.py index 95fdd72..83844d7 100644 --- a/argparse.py +++ b/argparse.py @@ -1178,6 +1178,9 @@ class Namespace(_AttributeHolder): def __ne__(self, other): return not (self == other) + def __contains__(self, key): + return key in self.__dict__ + class _ActionsContainer(object): @@ -2294,9 +2297,13 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer): # Help-printing methods # ===================== def print_usage(self, file=None): + if file is None: + file = _sys.stdout self._print_message(self.format_usage(), file) def print_help(self, file=None): + if file is None: + file = _sys.stdout self._print_message(self.format_help(), file) def print_version(self, file=None): |