Source code for logilab.common.compat

# pylint: disable=E0601,W0622,W0611
# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common.  If not, see <http://www.gnu.org/licenses/>.
"""Wrappers around some builtins introduced in python 2.3, 2.4 and
2.5, making them available in for earlier versions of python.

See another compatibility snippets from other projects:

    :mod:`lib2to3.fixes`
    :mod:`coverage.backward`
    :mod:`unittest2.compatibility`
"""


__docformat__ = "restructuredtext en"

import types

# not used here, but imported to preserve API
import builtins  # noqa


def str_to_bytes(string):
    return str.encode(string)


# See also http://bugs.python.org/issue11776
def method_type(callable, instance, klass):
    # api change. klass is no more considered
    return types.MethodType(callable, instance)