FM / dbus

/usr/lib/python2.6/site-packages/dbus

Name	Size	Mode	Actions
mainloop/	-	0755	rm
bus.py	17995	0644	edit dl rm
bus.pyc	15589	0644	edit dl rm
bus.pyo	15589	0644	edit dl rm
connection.py	27242	0644	edit dl rm
connection.pyc	20802	0644	edit dl rm
connection.pyo	20802	0644	edit dl rm
dbus_bindings.py	1150	0644	edit dl rm
dbus_bindings.pyc	1440	0644	edit dl rm
dbus_bindings.pyo	1440	0644	edit dl rm
decorators.py	14670	0644	edit dl rm
decorators.pyc	12303	0644	edit dl rm
decorators.pyo	12303	0644	edit dl rm
exceptions.py	3901	0644	edit dl rm
exceptions.pyc	4533	0644	edit dl rm
exceptions.pyo	4533	0644	edit dl rm
glib.py	1795	0644	edit dl rm
glib.pyc	758	0644	edit dl rm
glib.pyo	758	0644	edit dl rm
gobject_service.py	3164	0644	edit dl rm
gobject_service.pyc	2645	0644	edit dl rm
gobject_service.pyo	2645	0644	edit dl rm
lowlevel.py	1622	0644	edit dl rm
lowlevel.pyc	728	0644	edit dl rm
lowlevel.pyo	728	0644	edit dl rm
proxies.py	24550	0644	edit dl rm
proxies.pyc	19996	0644	edit dl rm
proxies.pyo	19996	0644	edit dl rm
server.py	4624	0644	edit dl rm
server.pyc	3824	0644	edit dl rm
server.pyo	3824	0644	edit dl rm
service.py	35225	0644	edit dl rm
service.pyc	25669	0644	edit dl rm
service.pyo	25669	0644	edit dl rm
types.py	488	0644	edit dl rm
types.pyc	875	0644	edit dl rm
types.pyo	875	0644	edit dl rm
_dbus.py	9582	0644	edit dl rm
_dbus.pyc	9533	0644	edit dl rm
_dbus.pyo	9533	0644	edit dl rm
_expat_introspect_parser.py	3386	0644	edit dl rm
_expat_introspect_parser.pyc	2870	0644	edit dl rm
_expat_introspect_parser.pyo	2870	0644	edit dl rm
_version.py	109	0644	edit dl rm
_version.pyc	219	0644	edit dl rm
_version.pyo	219	0644	edit dl rm
__init__.py	4200	0644	edit dl rm
__init__.pyc	3334	0644	edit dl rm
__init__.pyo	3334	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/dbus/bus.py (17995B)

# Copyright (C) 2007 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__ = ('BusConnection',)
__docformat__ = 'reStructuredText'

import logging
import weakref

from _dbus_bindings import validate_interface_name, validate_member_name,\
                           validate_bus_name, validate_object_path,\
                           validate_error_name,\
                           BUS_SESSION, BUS_STARTER, BUS_SYSTEM, \
                           DBUS_START_REPLY_SUCCESS, \
                           DBUS_START_REPLY_ALREADY_RUNNING, \
                           BUS_DAEMON_NAME, BUS_DAEMON_PATH, BUS_DAEMON_IFACE,\
                           NAME_FLAG_ALLOW_REPLACEMENT, \
                           NAME_FLAG_DO_NOT_QUEUE, \
                           NAME_FLAG_REPLACE_EXISTING, \
                           RELEASE_NAME_REPLY_NON_EXISTENT, \
                           RELEASE_NAME_REPLY_NOT_OWNER, \
                           RELEASE_NAME_REPLY_RELEASED, \
                           REQUEST_NAME_REPLY_ALREADY_OWNER, \
                           REQUEST_NAME_REPLY_EXISTS, \
                           REQUEST_NAME_REPLY_IN_QUEUE, \
                           REQUEST_NAME_REPLY_PRIMARY_OWNER
from dbus.connection import Connection
from dbus.exceptions import DBusException
from dbus.lowlevel import HANDLER_RESULT_NOT_YET_HANDLED

_NAME_OWNER_CHANGE_MATCH = ("type='signal',sender='%s',"
                            "interface='%s',member='NameOwnerChanged',"
                            "path='%s',arg0='%%s'"
                            % (BUS_DAEMON_NAME, BUS_DAEMON_IFACE,
                               BUS_DAEMON_PATH))
"""(_NAME_OWNER_CHANGE_MATCH % sender) matches relevant NameOwnerChange
messages"""

_NAME_HAS_NO_OWNER = 'org.freedesktop.DBus.Error.NameHasNoOwner'

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

class NameOwnerWatch(object):
    __slots__ = ('_match', '_pending_call')

def __init__(self, bus_conn, bus_name, callback):
        validate_bus_name(bus_name)

def signal_cb(owned, old_owner, new_owner):
            callback(new_owner)

def error_cb(e):
            if e.get_dbus_name() == _NAME_HAS_NO_OWNER:
                callback('')
            else:
                logging.basicConfig()
                _logger.debug('GetNameOwner(%s) failed:', bus_name,
                              exc_info=(e.__class__, e, None))

self._match = bus_conn.add_signal_receiver(signal_cb,
                                                   'NameOwnerChanged',
                                                   BUS_DAEMON_IFACE,
                                                   BUS_DAEMON_NAME,
                                                   BUS_DAEMON_PATH,
                                                   arg0=bus_name)
        self._pending_call = bus_conn.call_async(BUS_DAEMON_NAME,
                                                 BUS_DAEMON_PATH,
                                                 BUS_DAEMON_IFACE,
                                                 'GetNameOwner',
                                                 's', (bus_name,),
                                                 callback, error_cb,
                                                 utf8_strings=True)

def cancel(self):
        if self._match is not None:
            self._match.remove()
        if self._pending_call is not None:
            self._pending_call.cancel()
        self._match = None
        self._pending_call = None

class BusConnection(Connection):
    """A connection to a D-Bus daemon that implements the
    ``org.freedesktop.DBus`` pseudo-service.

:Since: 0.81.0
    """

TYPE_SESSION    = BUS_SESSION
    """Represents a session bus (same as the global dbus.BUS_SESSION)"""

TYPE_SYSTEM     = BUS_SYSTEM
    """Represents the system bus (same as the global dbus.BUS_SYSTEM)"""

TYPE_STARTER = BUS_STARTER
    """Represents the bus that started this service by activation (same as
    the global dbus.BUS_STARTER)"""

START_REPLY_SUCCESS = DBUS_START_REPLY_SUCCESS
    START_REPLY_ALREADY_RUNNING = DBUS_START_REPLY_ALREADY_RUNNING

def __new__(cls, address_or_type=TYPE_SESSION, mainloop=None):
        bus = cls._new_for_bus(address_or_type, mainloop=mainloop)

# _bus_names is used by dbus.service.BusName!
        bus._bus_names = weakref.WeakValueDictionary()

bus._signal_sender_matches = {}
        """Map from SignalMatch to NameOwnerWatch."""

return bus

def add_signal_receiver(self, handler_function, signal_name=None,
                            dbus_interface=None, bus_name=None,
                            path=None, **keywords):
        named_service = keywords.pop('named_service', None)
        if named_service is not None:
            if bus_name is not None:
                raise TypeError('bus_name and named_service cannot both be '
                                'specified')
            bus_name = named_service
            from warnings import warn
            warn('Passing the named_service parameter to add_signal_receiver '
                 'by name is deprecated: please use positional parameters',
                 DeprecationWarning, stacklevel=2)

match = super(BusConnection, self).add_signal_receiver(
                handler_function, signal_name, dbus_interface, bus_name,
                path, **keywords)

if (bus_name is not None and bus_name != BUS_DAEMON_NAME):
            if bus_name[:1] == ':':
                def callback(new_owner):
                    if new_owner == '':
                        match.remove()
            else:
                callback = match.set_sender_name_owner
            watch = self.watch_name_owner(bus_name, callback)
            self._signal_sender_matches[match] = watch

self.add_match_string(str(match))

return match

def _clean_up_signal_match(self, match):
        # The signals lock is no longer held here (it was in <= 0.81.0)
        self.remove_match_string_non_blocking(str(match))
        watch = self._signal_sender_matches.pop(match, None)
        if watch is not None:
            watch.cancel()

def activate_name_owner(self, bus_name):
        if (bus_name is not None and bus_name[:1] != ':'
            and bus_name != BUS_DAEMON_NAME):
            try:
                return self.get_name_owner(bus_name)
            except DBusException, e:
                if e.get_dbus_name() != _NAME_HAS_NO_OWNER:
                    raise
                # else it doesn't exist: try to start it
                self.start_service_by_name(bus_name)
                return self.get_name_owner(bus_name)
        else:
            # already unique
            return bus_name

def get_object(self, bus_name, object_path, introspect=True,
                   follow_name_owner_changes=False, **kwargs):
        """Return a local proxy for the given remote object.

Method calls on the proxy are translated into method calls on the
        remote object.

:Parameters:
            `bus_name` : str
                A bus name (either the unique name or a well-known name)
                of the application owning the object. The keyword argument
                named_service is a deprecated alias for this.
            `object_path` : str
                The object path of the desired object
            `introspect` : bool
                If true (default), attempt to introspect the remote
                object to find out supported methods and their signatures
            `follow_name_owner_changes` : bool
                If the object path is a well-known name and this parameter
                is false (default), resolve the well-known name to the unique
                name of its current owner and bind to that instead; if the
                ownership of the well-known name changes in future,
                keep communicating with the original owner.
                This is necessary if the D-Bus API used is stateful.

If the object path is a well-known name and this parameter
                is true, whenever the well-known name changes ownership in
                future, bind to the new owner, if any.

If the given object path is a unique name, this parameter
                has no effect.

:Returns: a `dbus.proxies.ProxyObject`
        :Raises `DBusException`: if resolving the well-known name to a
            unique name fails
        """
        if follow_name_owner_changes:
            self._require_main_loop()   # we don't get the signals otherwise

named_service = kwargs.pop('named_service', None)
        if named_service is not None:
            if bus_name is not None:
                raise TypeError('bus_name and named_service cannot both '
                                'be specified')
            from warnings import warn
            warn('Passing the named_service parameter to get_object by name '
                 'is deprecated: please use positional parameters',
                 DeprecationWarning, stacklevel=2)
            bus_name = named_service
        if kwargs:
            raise TypeError('get_object does not take these keyword '
                            'arguments: %s' % ', '.join(kwargs.iterkeys()))

return self.ProxyObjectClass(self, bus_name, object_path,
                                     introspect=introspect,
                                     follow_name_owner_changes=follow_name_owner_changes)

def get_unix_user(self, bus_name):
        """Get the numeric uid of the process owning the given bus name.

:Parameters:
            `bus_name` : str
                A bus name, either unique or well-known
        :Returns: a `dbus.UInt32`
        :Since: 0.80.0
        """
        validate_bus_name(bus_name)
        return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                  BUS_DAEMON_IFACE, 'GetConnectionUnixUser',
                                  's', (bus_name,))

def start_service_by_name(self, bus_name, flags=0):
        """Start a service which will implement the given bus name on this Bus.

:Parameters:
            `bus_name` : str
                The well-known bus name to be activated.
            `flags` : dbus.UInt32
                Flags to pass to StartServiceByName (currently none are
                defined)

:Returns: A tuple of 2 elements. The first is always True, the
            second is either START_REPLY_SUCCESS or
            START_REPLY_ALREADY_RUNNING.

:Raises `DBusException`: if the service could not be started.
        :Since: 0.80.0
        """
        validate_bus_name(bus_name)
        return (True, self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                         BUS_DAEMON_IFACE,
                                         'StartServiceByName',
                                         'su', (bus_name, flags)))

# XXX: it might be nice to signal IN_QUEUE, EXISTS by exception,
    # but this would not be backwards-compatible
    def request_name(self, name, flags=0):
        """Request a bus name.

:Parameters:
            `name` : str
                The well-known name to be requested
            `flags` : dbus.UInt32
                A bitwise-OR of 0 or more of the flags
                `NAME_FLAG_ALLOW_REPLACEMENT`,
                `NAME_FLAG_REPLACE_EXISTING`
                and `NAME_FLAG_DO_NOT_QUEUE`
        :Returns: `REQUEST_NAME_REPLY_PRIMARY_OWNER`,
            `REQUEST_NAME_REPLY_IN_QUEUE`,
            `REQUEST_NAME_REPLY_EXISTS` or
            `REQUEST_NAME_REPLY_ALREADY_OWNER`
        :Raises `DBusException`: if the bus daemon cannot be contacted or
            returns an error.
        """
        validate_bus_name(name, allow_unique=False)
        return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                  BUS_DAEMON_IFACE, 'RequestName',
                                  'su', (name, flags))

def release_name(self, name):
        """Release a bus name.

:Parameters:
            `name` : str
                The well-known name to be released
        :Returns: `RELEASE_NAME_REPLY_RELEASED`,
            `RELEASE_NAME_REPLY_NON_EXISTENT`
            or `RELEASE_NAME_REPLY_NOT_OWNER`
        :Raises `DBusException`: if the bus daemon cannot be contacted or
            returns an error.
        """
        validate_bus_name(name, allow_unique=False)
        return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                  BUS_DAEMON_IFACE, 'ReleaseName',
                                  's', (name,))

def list_names(self):
        """Return a list of all currently-owned names on the bus.

:Returns: a dbus.Array of dbus.UTF8String
        :Since: 0.81.0
        """
        return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                  BUS_DAEMON_IFACE, 'ListNames',
                                  '', (), utf8_strings=True)

def list_activatable_names(self):
        """Return a list of all names that can be activated on the bus.

def get_name_owner(self, bus_name):
        """Return the unique connection name of the primary owner of the
        given name.

:Raises `DBusException`: if the `bus_name` has no owner
        :Since: 0.81.0
        """
        validate_bus_name(bus_name, allow_unique=False)
        return self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                  BUS_DAEMON_IFACE, 'GetNameOwner',
                                  's', (bus_name,), utf8_strings=True)

def watch_name_owner(self, bus_name, callback):
        """Watch the unique connection name of the primary owner of the
        given name.

`callback` will be called with one argument, which is either the
        unique connection name, or the empty string (meaning the name is
        not owned).

:Since: 0.81.0
        """
        return NameOwnerWatch(self, bus_name, callback)

def name_has_owner(self, bus_name):
        """Return True iff the given bus name has an owner on this bus.

:Parameters:
            `bus_name` : str
                The bus name to look up
        :Returns: a `bool`
        """
        return bool(self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                                       BUS_DAEMON_IFACE, 'NameHasOwner',
                                       's', (bus_name,)))

def add_match_string(self, rule):
        """Arrange for this application to receive messages on the bus that
        match the given rule. This version will block.

:Parameters:
            `rule` : str
                The match rule
        :Raises `DBusException`: on error.
        :Since: 0.80.0
        """
        self.call_blocking(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                           BUS_DAEMON_IFACE, 'AddMatch', 's', (rule,))

# FIXME: add an async success/error handler capability?
    # (and the same for remove_...)
    def add_match_string_non_blocking(self, rule):
        """Arrange for this application to receive messages on the bus that
        match the given rule. This version will not block, but any errors
        will be ignored.

:Parameters:
            `rule` : str
                The match rule
        :Raises `DBusException`: on error.
        :Since: 0.80.0
        """
        self.call_async(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                        BUS_DAEMON_IFACE, 'AddMatch', 's', (rule,),
                        None, None)

def remove_match_string(self, rule):
        """Arrange for this application to receive messages on the bus that
        match the given rule. This version will block.

def remove_match_string_non_blocking(self, rule):
        """Arrange for this application to receive messages on the bus that
        match the given rule. This version will not block, but any errors
        will be ignored.

:Parameters:
            `rule` : str
                The match rule
        :Raises `DBusException`: on error.
        :Since: 0.80.0
        """
        self.call_async(BUS_DAEMON_NAME, BUS_DAEMON_PATH,
                        BUS_DAEMON_IFACE, 'RemoveMatch', 's', (rule,),
                        None, None)

cmd: