# Source code for dfwinreg.decorators

    # -*- coding: utf-8 -*-
    """Function decorators."""

    import warnings

    def deprecated(function):  # pylint: disable=invalid-name
      """Decorator to mark functions or methods as deprecated."""

      def IssueDeprecationWarning(*args, **kwargs):
        """Issue a deprecation warning."""
        warnings.simplefilter('default', DeprecationWarning)
        warnings.warn(
            f'Call to deprecated function: {function.__name__:s}.',
            category=DeprecationWarning, stacklevel=2)

        return function(*args, **kwargs)

      IssueDeprecationWarning.__name__ = function.__name__
      IssueDeprecationWarning.__doc__ = function.__doc__
      IssueDeprecationWarning.__dict__.update(function.__dict__)
      return IssueDeprecationWarning