diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py --- a/Lib/collections/__init__.py +++ b/Lib/collections/__init__.py @@ -294,7 +294,7 @@ {name} = _property(_itemgetter({index:d}), doc='Alias for field number {index:d}') ''' -def namedtuple(typename, field_names, verbose=False, rename=False): +def namedtuple(typename, field_names, verbose=False, rename=False, module=None): """Returns a new subclass of tuple with named fields. >>> Point = namedtuple('Point', ['x', 'y']) @@ -374,12 +374,16 @@ # For pickling to work, the __module__ variable needs to be set to the frame # where the named tuple is created. Bypass this step in enviroments where - # sys._getframe is not defined (Jython for example) or sys._getframe is not - # defined for arguments greater than 0 (IronPython). - try: - result.__module__ = _sys._getframe(1).f_globals.get('__name__', '__main__') - except (AttributeError, ValueError): - pass + # sys._getframe is not defined (Jython for example), or sys._getframe is not + # defined for arguments greater than 0 (IronPython), or where the user has + # specified a particular module. + if module is None: + try: + module = _sys._getframe(1).f_globals.get('__name__', '__main__') + except (AttributeError, ValueError): + pass + if module is not None: + result.__module__ = module return result