Source code for traits.util.deprecated

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#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
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""" A decorator for marking methods/functions as deprecated. """

# Standard library imports.
import functools
import warnings


def deprecated(message):
    """ A factory for decorators for marking methods/functions as deprecated.

    """

    def decorator(fn):
        """ A decorator for marking methods/functions as deprecated. """

        @functools.wraps(fn)
        def wrapper(*args, **kw):
            """ The method/function wrapper. """

            warnings.warn(message, DeprecationWarning, stacklevel=2)
            return fn(*args, **kw)

        return wrapper

    return decorator