7:0
  :   ˆl–ßi~”ËmJi@;p"¸ËÊbÑ¿Æ„e¶Za–ß=¿J*e¶¥8 pM\lJbÑ¿Å ?÷     # Copyright (C) 2003-2006 Red Hat Inc. <http://www.redhat.com/>
# Copyright (C) 2003 David Zeuthen
# Copyright (C) 2004 Rob Taylor
# Copyright (C) 2005-2006 Collabora Ltd. <http://www.collabora.co.uk/>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

__all__ = ('BusName', 'Object', 'method', 'signal')
__docformat__ = 'restructuredtext'

import sys
import logging
import threading
import traceback
from collections import Sequence

import _dbus_bindings
from dbus import (
    INTROSPECTABLE_IFACE, ObjectPath, SessionBus, Signature, Struct,
    validate_bus_name, validate_object_path)
from dbus.decorators import method, signal
from dbus.exceptions import (
    DBusException, NameExistsException, UnknownMethodException)
from dbus.lowlevel import ErrorMessage, MethodReturnMessage, MethodCallMessage
from dbus.proxies import LOCAL_PATH
from dbus._compat import is_py2


_logger = logging.getLogger('dbus.service')


class _VariantSignature(object):
    """A fake method signature which, when iterated, yields an endless stream
    of 'v' characters representing variants (handy with zip()).

    It has no string representation.
    """
    def __iter__(self):
        """Return self."""
        return self

    def __next__(self):
        """Return 'v' whenever called."""
        return 'v'

    if is_py2:
        next = __next__


class BusName(object):
    """A base class for exporting your own Named Services across the Bus.

    When instantiated, objects of this class attempt to claim the given
    well-known name on the given bus for the current process. The name is
    released when the BusName object becomes unreferenced.

    If a well-known name is requested multiple times, multiple references
    to the same BusName object will be returned.

    Caveats
    -------
    - Assumes that named services are only ever requested using this class -
      if you request names from the bus directly, confusion may occur.
    - Does not handle queueing.
    """
    def __new__(cls, name, bus=None, allow_replacement=False , replace_existing=False, do_not_queue=False):
        """Constructor, which may either return an existing cached object
        or a new object.

        :Parameters:
            `name` : str
                The well-known name to be advertised
            `bus` : dbus.Bus
                A Bus on which this service will be advertised.

                Omitting this parameter or setting it to None has been
                deprecated since version 0.82.1. For backwards compatibility,
                if this is done, the global shared connection to the session
                bus will be used.

            `allow_replacement` : bool
                If True, other processes trying to claim the same well-known
                name will take precedence over this one.
            `replace_existing` : bool
                If True, this process can take over the well-known name
                from other processes already holding it.
            `do_not_q