def gatherInput(**Config):
  r"""Helps to interactively get user input.
  """
  _type = Config.get('type')

  while True:
    try:
      got = raw_input('%s: ' % getLabel(Config))

    except EOFError:
      got = None

    if not got and 'default' in Config:
      return Config['default']

    try:
      return _type(got) if _type else got

    except ValueError as e:
      err(str(e) or '<invalid value>')

    except TypeError:
      err(str(e) or '<invalid value>')