GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
403Webshell
Server IP : 172.67.177.218  /  Your IP : 216.73.216.243
Web Server : LiteSpeed
System : Linux premium229.web-hosting.com 4.18.0-553.45.1.lve.el8.x86_64 #1 SMP Wed Mar 26 12:08:09 UTC 2025 x86_64
User : akhalid ( 749)
PHP Version : 8.3.22
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : OFF  |  Pkexec : OFF
Directory :  /lib64/python3.6/site-packages/dbus/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /lib64/python3.6/site-packages/dbus/proxies.py
# Copyright (C) 2003-2007 Red Hat Inc. <http://www.redhat.com/>
# Copyright (C) 2003 David Zeuthen
# Copyright (C) 2004 Rob Taylor
# Copyright (C) 2005-2007 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.

import logging

try:
    from threading import RLock
except ImportError:
    from dummy_threading import RLock

import _dbus_bindings
from dbus._expat_introspect_parser import process_introspection_data
from dbus.exceptions import (
    DBusException, IntrospectionParserException, MissingErrorHandlerException,
    MissingReplyHandlerException)

__docformat__ = 'restructuredtext'


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

from _dbus_bindings import (
    BUS_DAEMON_IFACE, BUS_DAEMON_NAME, BUS_DAEMON_PATH, INTROSPECTABLE_IFACE,
    LOCAL_PATH)
from dbus._compat import is_py2


class _DeferredMethod:
    """A proxy method which will only get called once we have its
    introspection reply.
    """
    def __init__(self, proxy_method, append, block):
        self._proxy_method = proxy_method
        # the test suite relies on the existence of this property
        self._method_name = proxy_method._method_name
        self._append = append
        self._block = block

    def __call__(self, *args, **keywords):
        if ('reply_handler' in keywords or
            keywords.get('ignore_reply', False)):
            # defer the async call til introspection finishes
            self._append(self._proxy_method, args, keywords)
            return None
        else:
            # we're being synchronous, so block
            self._block()
            return self._proxy_method(*args, **keywords)

    def call_async(self, *args, **keywords):
        self._append(self._proxy_method, args, keywords)


class _ProxyMethod:
    """A proxy method.

    Typically a member of a ProxyObject. Calls to the
    method produce messages that travel over the Bus and are routed
    to a specific named Service.
    """
    def __init__(self, proxy, connection, bus_name, object_path, method_name,
                 iface):
        if object_path == LOCAL_PATH:
            raise DBusException('Methods may not be called on the reserved '
                                'path %s' % LOCAL_PATH)

        # trust that the proxy, and the properties it had, are OK
        self._proxy          = proxy
        self._connection     = connection
        self._named_service  = bus_name
        self._object_path    = object_path
        # fail early if the method name is bad
        _dbus_bindings.validate_member_name(method_name)
        # the test suite relies on the existence of this property
        self._method_name    = method_name
        # fail early if the interface name is bad
        if iface is not None:
            _dbus_bindings.validate_interface_name(iface)
        self._dbus_interface = iface

    def __call__(self, *args, **keywords):
        reply_handler = keywords.pop('reply_handler', None)
        error_handler = keywords.pop('error_handler', None)
        ignore_reply = keywords.pop('ignore_reply', False)
        signature = keywords.pop('signature', None)

        if reply_handler is not None or error_handler is not None:
            if reply_handler is None:
                raise MissingReplyHandlerException()
            elif error_handler is None:
                raise MissingErrorHandlerException()
            elif ignore_reply:
                raise TypeError('ignore_reply and reply_handler cannot be '
                                'used together')

        dbus_interface = keywords.pop('dbus_interface', self._dbus_interface)

        if signature is None:
            if dbus_interface is None:
                key = self._method_name
            else:
                key = dbus_interface + '.' + self._method_name

            signature = self._proxy._introspect_method_map.get(key, None)

        if ignore_reply or reply_handler is not None:
            self._connection.call_async(self._named_service,
                                        self._object_path,
                                        dbus_interface,
                                        self._method_name,
                                        signature,
                                        args,
                                        reply_handler,
                                        error_handler,
                                        **keywords)
        else:
            return self._connection.call_blocking(self._named_service,
                                                  self._object_path,
                                                  dbus_interface,
                                                  self._method_name,
                                                  signature,
                                                  args,
                                                  **keywords)

    def call_async(self, *args, **keywords):
        reply_handler = keywords.pop('reply_handler', None)
        error_handler = keywords.pop('error_handler', None)
        signature = keywords.pop('signature', None)

        dbus_interface = keywords.pop('dbus_interface', self._dbus_interface)

        if signature is None:
            if dbus_interface:
                key = dbus_interface + '.' + self._method_name
            else:
                key = self._method_name
            signature = self._proxy._introspect_method_map.get(key, None)

        self._connection.call_async(self._named_service,
                                    self._object_path,
                                    dbus_interface,
                                    self._method_name,
                                    signature,
                                    args,
                                    reply_handler,
                                    error_handler,
                                    **keywords)


class ProxyObject(object):
    """A proxy to the remote Object.

    A ProxyObject is provided by the Bus. ProxyObjects
    have member functions, and can be called like normal Python objects.
    """
    ProxyMethodClass = _ProxyMethod
    DeferredMethodClass = _DeferredMethod

    INTROSPECT_STATE_DONT_INTROSPECT = 0
    INTROSPECT_STATE_INTROSPECT_IN_PROGRESS = 1
    INTROSPECT_STATE_INTROSPECT_DONE = 2

    def __init__(self, conn=None, bus_name=None, object_path=None,
                 introspect=True, follow_name_owner_changes=False, **kwargs):
        """Initialize the proxy object.

        :Parameters:
            `conn` : `dbus.connection.Connection`
                The bus or connection on which to find this object.
                The keyword argument `bus` is a deprecated alias for this.
            `bus_name` : str
                A bus name for the application owning the object, to be used
                as the destination for method calls and the sender for
                signal matches. The keyword argument ``named_service`` is a
                deprecated alias for this.
            `object_path` : str
                The object path at which the application exports the 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 true (default is false) and the `bus_name` is a
                well-known name, follow ownership changes for that name
        """
        bus = kwargs.pop('bus', None)
        if bus is not None:
            if conn is not None:
                raise TypeError('conn and bus cannot both be specified')
            conn = bus
            from warnings import warn
            warn('Passing the bus parameter to ProxyObject by name is '
                 'deprecated: please use positional parameters',
                 DeprecationWarning, stacklevel=2)
        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')
            bus_name = named_service
            from warnings import warn
            warn('Passing the named_service parameter to ProxyObject by name '
                 'is deprecated: please use positional parameters',
                 DeprecationWarning, stacklevel=2)
        if kwargs:
            raise TypeError('ProxyObject.__init__ does not take these '
                            'keyword arguments: %s'
                            % ', '.join(kwargs.keys()))

        if follow_name_owner_changes:
            # we don't get the signals unless the Bus has a main loop
            # XXX: using Bus internals
            conn._require_main_loop()

        self._bus = conn

        if bus_name is not None:
            _dbus_bindings.validate_bus_name(bus_name)
        # the attribute is still called _named_service for the moment,
        # for the benefit of telepathy-python
        self._named_service = self._requested_bus_name = bus_name

        _dbus_bindings.validate_object_path(object_path)
        self.__dbus_object_path__ = object_path

        if not follow_name_owner_changes:
            self._named_service = conn.activate_name_owner(bus_name)

        #PendingCall object for Introspect call
        self._pending_introspect = None
        #queue of async calls waiting on the Introspect to return
        self._pending_introspect_queue = []
        #dictionary mapping method names to their input signatures
        self._introspect_method_map = {}

        # must be a recursive lock because block() is called while locked,
        # and calls the callback which re-takes the lock
        self._introspect_lock = RLock()

        if not introspect or self.__dbus_object_path__ == LOCAL_PATH:
            self._introspect_state = self.INTROSPECT_STATE_DONT_INTROSPECT
        else:
            self._introspect_state = self.INTROSPECT_STATE_INTROSPECT_IN_PROGRESS

            self._pending_introspect = self._Introspect()

    bus_name = property(lambda self: self._named_service, None, None,
            """The bus name to which this proxy is bound. (Read-only,
            may change.)

            If the proxy was instantiated using a unique name, this property
            is that unique name.

            If the proxy was instantiated with a well-known name and with
            ``follow_name_owner_changes`` set false (the default), this
            property is the unique name of the connection that owned that
            well-known name when the proxy was instantiated, which might
            not actually own the requested well-known name any more.

            If the proxy was instantiated with a well-known name and with
            ``follow_name_owner_changes`` set true, this property is that
            well-known name.
            """)

    requested_bus_name = property(lambda self: self._requested_bus_name,
            None, None,
            """The bus name which was requested when this proxy was
            instantiated.
            """)

    object_path = property(lambda self: self.__dbus_object_path__,
            None, None,
            """The object-path of this proxy.""")

    # XXX: We don't currently support this because it's the signal receiver
    # that's responsible for tracking name owner changes, but it
    # seems a natural thing to add in future.
    #unique_bus_name = property(lambda self: something, None, None,
    #        """The unique name of the connection to which this proxy is
    #        currently bound. (Read-only, may change.)
    #        """)

    def connect_to_signal(self, signal_name, handler_function, dbus_interface=None, **keywords):
        """Arrange for the given function to be called when the given signal
        is received.

        :Parameters:
            `signal_name` : str
                The name of the signal
            `handler_function` : callable
                A function to be called when the signal is emitted by
                the remote object. Its positional arguments will be the
                arguments of the signal; optionally, it may be given
                keyword arguments as described below.
            `dbus_interface` : str
                Optional interface with which to qualify the signal name.
                If None (the default) the handler will be called whenever a
                signal of the given member name is received, whatever
                its interface.
        :Keywords:
            `utf8_strings` : bool
                If True, the handler function will receive any string
                arguments as dbus.UTF8String objects (a subclass of str
                guaranteed to be UTF-8). If False (default) it will receive
                any string arguments as dbus.String objects (a subclass of
                unicode).
            `byte_arrays` : bool
                If True, the handler function will receive any byte-array
                arguments as dbus.ByteArray objects (a subclass of str).
                If False (default) it will receive any byte-array
                arguments as a dbus.Array of dbus.Byte (subclasses of:
                a list of ints).
            `sender_keyword` : str
                If not None (the default), the handler function will receive
                the unique name of the sending endpoint as a keyword
                argument with this name
            `destination_keyword` : str
                If not None (the default), the handler function will receive
                the bus name of the destination (or None if the signal is a
                broadcast, as is usual) as a keyword argument with this name.
            `interface_keyword` : str
                If not None (the default), the handler function will receive
                the signal interface as a keyword argument with this name.
            `member_keyword` : str
                If not None (the default), the handler function will receive
                the signal name as a keyword argument with this name.
            `path_keyword` : str
                If not None (the default), the handler function will receive
                the object-path of the sending object as a keyword argument
                with this name
            `message_keyword` : str
                If not None (the default), the handler function will receive
                the `dbus.lowlevel.SignalMessage` as a keyword argument with
                this name.
            `arg...` : unicode or UTF-8 str
                If there are additional keyword parameters of the form
                ``arg``\ *n*, match only signals where the *n*\ th argument
                is the value given for that keyword parameter. As of this time
                only string arguments can be matched (in particular,
                object paths and signatures can't).
        """
        return \
        self._bus.add_signal_receiver(handler_function,
                                      signal_name=signal_name,
                                      dbus_interface=dbus_interface,
                                      bus_name=self._named_service,
                                      path=self.__dbus_object_path__,
                                      **keywords)

    def _Introspect(self):
        kwargs = {}
        if is_py2:
            kwargs['utf8_strings'] = True
        return self._bus.call_async(self._named_service,
                                    self.__dbus_object_path__,
                                    INTROSPECTABLE_IFACE, 'Introspect', '', (),
                                    self._introspect_reply_handler,
                                    self._introspect_error_handler,
                                    require_main_loop=False, **kwargs)

    def _introspect_execute_queue(self):
        # FIXME: potential to flood the bus
        # We should make sure mainloops all have idle handlers
        # and do one message per idle
        for (proxy_method, args, keywords) in self._pending_introspect_queue:
            proxy_method(*args, **keywords)
        self._pending_introspect_queue = []

    def _introspect_reply_handler(self, data):
        self._introspect_lock.acquire()
        try:
            try:
                self._introspect_method_map = process_introspection_data(data)
            except IntrospectionParserException as e:
                self._introspect_error_handler(e)
                return

            self._introspect_state = self.INTROSPECT_STATE_INTROSPECT_DONE
            self._pending_introspect = None
            self._introspect_execute_queue()
        finally:
            self._introspect_lock.release()

    def _introspect_error_handler(self, error):
        logging.basicConfig()
        _logger.error("Introspect error on %s:%s: %s.%s: %s",
                      self._named_service, self.__dbus_object_path__,
                      error.__class__.__module__, error.__class__.__name__,
                      error)
        self._introspect_lock.acquire()
        try:
            _logger.debug('Executing introspect queue due to error')
            self._introspect_state = self.INTROSPECT_STATE_DONT_INTROSPECT
            self._pending_introspect = None
            self._introspect_execute_queue()
        finally:
            self._introspect_lock.release()

    def _introspect_block(self):
        self._introspect_lock.acquire()
        try:
            if self._pending_introspect is not None:
                self._pending_introspect.block()
            # else someone still has a _DeferredMethod from before we
            # finished introspection: no need to do anything special any more
        finally:
            self._introspect_lock.release()

    def _introspect_add_to_queue(self, callback, args, kwargs):
        self._introspect_lock.acquire()
        try:
            if self._introspect_state == self.INTROSPECT_STATE_INTROSPECT_IN_PROGRESS:
                self._pending_introspect_queue.append((callback, args, kwargs))
            else:
                # someone still has a _DeferredMethod from before we
                # finished introspection
                callback(*args, **kwargs)
        finally:
            self._introspect_lock.release()

    def __getattr__(self, member):
        if member.startswith('__') and member.endswith('__'):
            raise AttributeError(member)
        else:
            return self.get_dbus_method(member)

    def get_dbus_method(self, member, dbus_interface=None):
        """Return a proxy method representing the given D-Bus method. The
        returned proxy method can be called in the usual way. For instance, ::

            proxy.get_dbus_method("Foo", dbus_interface='com.example.Bar')(123)

        is equivalent to::

            proxy.Foo(123, dbus_interface='com.example.Bar')

        or even::

            getattr(proxy, "Foo")(123, dbus_interface='com.example.Bar')

        However, using `get_dbus_method` is the only way to call D-Bus
        methods with certain awkward names - if the author of a service
        implements a method called ``connect_to_signal`` or even
        ``__getattr__``, you'll need to use `get_dbus_method` to call them.

        For services which follow the D-Bus convention of CamelCaseMethodNames
        this won't be a problem.
        """

        ret = self.ProxyMethodClass(self, self._bus,
                                    self._named_service,
                                    self.__dbus_object_path__, member,
                                    dbus_interface)

        # this can be done without taking the lock - the worst that can
        # happen is that we accidentally return a _DeferredMethod just after
        # finishing introspection, in which case _introspect_add_to_queue and
        # _introspect_block will do the right thing anyway
        if self._introspect_state == self.INTROSPECT_STATE_INTROSPECT_IN_PROGRESS:
            ret = self.DeferredMethodClass(ret, self._introspect_add_to_queue,
                                           self._introspect_block)

        return ret

    def __repr__(self):
        return '<ProxyObject wrapping %s %s %s at %#x>'%(
            self._bus, self._named_service, self.__dbus_object_path__, id(self))
    __str__ = __repr__


class Interface(object):
    """An interface into a remote object.

    An Interface can be used to wrap ProxyObjects
    so that calls can be routed to their correct
    D-Bus interface.
    """

    def __init__(self, object, dbus_interface):
        """Construct a proxy for the given interface on the given object.

        :Parameters:
            `object` : `dbus.proxies.ProxyObject` or `dbus.Interface`
                The remote object or another of its interfaces
            `dbus_interface` : str
                An interface the `object` implements
        """
        if isinstance(object, Interface):
            self._obj = object.proxy_object
        else:
            self._obj = object
        self._dbus_interface = dbus_interface

    object_path = property (lambda self: self._obj.object_path, None, None,
                            "The D-Bus object path of the underlying object")
    __dbus_object_path__ = object_path
    bus_name = property (lambda self: self._obj.bus_name, None, None,
                         "The bus name to which the underlying proxy object "
                         "is bound")
    requested_bus_name = property (lambda self: self._obj.requested_bus_name,
                                   None, None,
                                   "The bus name which was requested when the "
                                   "underlying object was created")
    proxy_object = property (lambda self: self._obj, None, None,
                             """The underlying proxy object""")
    dbus_interface = property (lambda self: self._dbus_interface, None, None,
                               """The D-Bus interface represented""")

    def connect_to_signal(self, signal_name, handler_function,
                          dbus_interface=None, **keywords):
        """Arrange for a function to be called when the given signal is
        emitted.

        The parameters and keyword arguments are the same as for
        `dbus.proxies.ProxyObject.connect_to_signal`, except that if
        `dbus_interface` is None (the default), the D-Bus interface that
        was passed to the `Interface` constructor is used.
        """
        if not dbus_interface:
            dbus_interface = self._dbus_interface

        return self._obj.connect_to_signal(signal_name, handler_function,
                                           dbus_interface, **keywords)

    def __getattr__(self, member):
        if member.startswith('__') and member.endswith('__'):
            raise AttributeError(member)
        else:
            return self._obj.get_dbus_method(member, self._dbus_interface)

    def get_dbus_method(self, member, dbus_interface=None):
        """Return a proxy method representing the given D-Bus method.

        This is the same as `dbus.proxies.ProxyObject.get_dbus_method`
        except that if `dbus_interface` is None (the default),
        the D-Bus interface that was passed to the `Interface` constructor
        is used.
        """
        if dbus_interface is None:
            dbus_interface = self._dbus_interface
        return self._obj.get_dbus_method(member, dbus_interface)

    def __repr__(self):
        return '<Interface %r implementing %r at %#x>'%(
        self._obj, self._dbus_interface, id(self))
    __str__ = __repr__

Youez - 2016 - github.com/yon3zu
LinuXploit