#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#
# Copyright 2012 Zuza Software Foundation
#
# This file is part of translate.
#
# translate 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.
#
# translate 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, see <http://www.gnu.org/licenses/>.

"""Helpers for decorators."""


def decorate(decorator):
    """Simple decorator to turn functions into well-behaved decorators.

    This is used to emulate ``functools.wraps``, which is only available
    since Python 2.5.

    Borrowed from Python's wiki:
    http://wiki.python.org/moin/PythonDecoratorLibrary
    """
    def new_decorator(f):
        g = decorator(f)
        g.__name__ = f.__name__
        g.__doc__ = f.__doc__
        g.__dict__.update(f.__dict__)

        return g

    new_decorator.__name__ = decorator.__name__
    new_decorator.__doc__ = decorator.__doc__
    new_decorator.__dict__.update(decorator.__dict__)

    return new_decorator
