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| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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#
# Client support for DBus properties
#
# Copyright (C) 2019 Red Hat, Inc. All rights reserved.
#
# This library 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.
#
# This library 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 this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
# USA
#
__all__ = ["PropertyProxy"]
class PropertyProxy(object):
"""Proxy of a remote DBus property.
It can be used to define instance attributes.
"""
__slots__ = [
"_getter",
"_setter"
]
def __init__(self, getter, setter):
"""Create a new proxy of the DBus property."""
self._getter = getter
self._setter = setter
def get(self):
"""Get the value of the DBus property."""
return self.__get__(None, None)
def __get__(self, instance, owner):
if instance is None and owner:
return self
if not self._getter:
raise AttributeError(
"Can't read DBus property."
)
return self._getter()
def set(self, value):
"""Set the value of the DBus property."""
return self.__set__(None, value)
def __set__(self, instance, value):
if not self._setter:
raise AttributeError(
"Can't set DBus property."
)
return self._setter(value)