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# -*- coding: utf-8 -*- vim: fileencoding=utf-8 :
""" Utility module to deprecate features """
# Copyright © Ben Finney <[email protected]>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import warnings
try:
# pylint: disable=unused-import
from typing import (
Any,
Callable,
)
except ImportError:
# Missing types aren't important at runtime
pass
def function_deprecated_by(func):
# type: (Callable[..., Any]) -> Callable[..., Any]
""" Return a function that warns it is deprecated by another function.
Returns a new function that warns it is deprecated by function
``func``, then acts as a pass-through wrapper for ``func``.
"""
try:
func_name = func.__name__
except AttributeError:
func_name = func.__func__.__name__ # type: ignore
warn_msg = "Use %s instead" % func_name
def deprecated_func(*args, **kwargs): # type: ignore
warnings.warn(warn_msg, DeprecationWarning, stacklevel=2)
return func(*args, **kwargs)
return deprecated_func
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