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connection.cpython-310.pyc
o t3bl @ s d Z dZddlZddlZddlZddlmZmZm Z m Z m Z m Z m Z ddlmZ ddlmZmZmZmZmZ ddlmZ ddlmZmZ erMdd lmZ ndd lm Z e d Z d d Z G dd de Z!G dd deZdS )) Connection SignalMatchZreStructuredText N)r LOCAL_IFACE LOCAL_PATHvalidate_bus_namevalidate_interface_namevalidate_member_namevalidate_object_path) DBusException) ErrorMessage HANDLER_RESULT_NOT_YET_HANDLEDMethodCallMessageMethodReturnMessage SignalMessage) ProxyObject)is_py2is_py3)String) UTF8Stringzdbus.connectionc O d S N )argskwargsr r 1/usr/lib/python3/dist-packages/dbus/connection.py_noop3 s r c @ s e Zd Zg dZered eeZ dddZdd Z d d Z d d Z e d d Z dd Zdd Zdd Zdd Zdd Zdd ZdS ) r )_sender_name_owner_member _interface_sender_path_handler _args_match_rule _byte_arrays _conn_weakref_destination_keyword_interface_keyword_message_keyword_member_keyword_sender_keyword _path_keyword_int_args_match _utf8_stringsFNc K s\ |d urt | |d urt| |d urt| |d ur t| d | _t|| _|| _|| _ || _ || _ || _ || _ trE|dd| _nd|v rMtd|| _|| _| | _| | _| | _| | _| | _|| _|sld | _d S i | _|D ]:}|ds~td| z t |dd }W n t y td| w |dk s|dkrtd | || | j|< qqd S ) N utf8_stringsF*unexpected keyword argument 'utf8_strings'argz(SignalMatch: unknown keyword argument %s r ? z9SignalMatch: arg match index must be in range(64), not %d) r r r r r# weakrefrefr% r r r r r! r r popr- TypeErrorr$ r* r+ r) r' r( r& r" r, startswithint ValueError)selfconnsender object_pathdbus_interfacememberhandler byte_arraysZsender_keywordZ path_keywordZinterface_keywordZmember_keywordZmessage_keywordZdestination_keywordr kwargindexr r r __init__C sb zSignalMatch.__init__c C s t t| S z-SignalMatch objects are compared by identity.)hashidr: r r r __hash__~ s zSignalMatch.__hash__c C s | |u S rE r r: otherr r r __eq__ zSignalMatch.__eq__c C s | |uS rE r rJ r r r __ne__ rM zSignalMatch.__ne__c C s | j S r )r rH r r r <lambda> s zSignalMatch.<lambda>c C s | j d u rZdg}| jd ur|d| j | jd ur"|d| j | jd ur/|d| j | jd ur<|d| j | jd urT| j D ] \}}|d||f qFd|| _ | j S )Nz type='signal'z sender='%s'z path='%s'zinterface='%s'z member='%s'z arg%d='%s',) r# r appendr r r r, itemsjoin)r: ZrulerC valuer r r __str__ s zSignalMatch.__str__c C s d| j t| | j| f S )Nz<%s at %x "%s" on conn %r>) __class__rG r# r% rH r r r __repr__ s zSignalMatch.__repr__c C s || _ d S r )r )r: new_namer r r set_sender_name_owner s z!SignalMatch.set_sender_name_ownerc K s\ |d | j fvr dS || jkrdS || jkrdS || jkr dS || jkr%dS || jkr,dS dS )NFT)r! r r r r r" )r: r< r= r> r? r@ r r r r matches_removal_spec s z SignalMatch.matches_removal_specc C s d }| j d | fvr dS | jd urKtdd}trtnt}tr#d|d< |jdi |}| j D ]\}}|t |ksGt || |rG|| |krJ dS q0| j d | fvrVdS | jd | fvradS | jd | fvrldS zvtoq| j}|d u s{|r{| jst| jd}tr| j|d< |jdi |}i }| jd ur| || j< | jd ur| || j< | jd ur| || j< | jd ur| || j< | jd ur| || j< | jd ur||| j< | j|i | W dS t t j ddd Y dS ) NFTrA r. z&Exception in handler for D-Bus signal: exc_infor ) r Z get_senderr, dictr r r r get_args_listrR len isinstancer get_memberr get_interfacer get_pathr- r$ r* r& Zget_destinationr+ r) r' r( r! logging basicConfig_loggererror)r: messager r Zarg_typerC rT r. r r r maybe_handle_message sb z SignalMatch.maybe_handle_messagec C s< | }|d ur |j| | j| j| j| jfi | j d S d S r )r% remove_signal_receiverr r r r r" )r: r; r r r remove s zSignalMatch.remove)FNNNNNN)__name__ __module__ __qualname__Z_slotsr rQ tuple __slots__rD rI rL rN propertyr< rU rW rY rZ rk rm r r r r r 7 s( ; :r c s e Zd ZdZeZ fddZdd Zd dd Z d d d Z d d Z d ddZ dd Z dd Z d ddZ d ddZdd Z ZS ) r zzA connection to another application. In this base class there is assumed to be no bus daemon. :Since: 0.81.0 c sV t t| j|i | t| ds)d| _g | _i | _ t | _ | | j j d S d S )N _dbus_Connection_initializedr\ ) superr rD hasattrrt "_Connection__call_on_disconnection!_signal_recipients_by_object_path threadingZLock _signals_lockZadd_message_filterrV _signal_func)r: r r rV r r rD s zConnection.__init__c C s |S )a Return the unique name for the given bus name, activating it if necessary and possible. If the name is already unique or this connection is not to a bus daemon, just return it. :Returns: a bus name. If the given `bus_name` exists, the returned name identifies its current owner; otherwise the returned name does not exist. :Raises DBusException: if the implementation has failed to activate the given bus name. :Since: 0.81.0 r )r: bus_namer r r activate_name_owner s z Connection.activate_name_ownerNTc K sn | dd}|dur!|durtdddlm} |dtdd |}|r.td d | | j| |||d S ) a 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 :Returns: a `dbus.proxies.ProxyObject` named_serviceN3bus_name and named_service cannot both be specifiedr warnziPassing the named_service parameter to get_object by name is deprecated: please use positional parameters stacklevelz4get_object does not take these keyword arguments: %sz, ) introspect)r5 r6 warningsr DeprecationWarningrS keysProxyObjectClass)r: r} r= r r r r r r r get_object& s zConnection.get_objectc K s | |dd}|dur%|durtd|}ddlm} |dtdd t| |||||fi |} | j z | j |i } | |i } | |g } | | W | j | S | j w ) a Arrange for the given function to be called when a signal matching the parameters is received. :Parameters: `handler_function` : callable The function to be called. Its positional arguments will be the arguments of the signal. By default it will receive no keyword arguments, but see the description of the optional keyword arguments below. `signal_name` : str The signal name; None (the default) matches all names `dbus_interface` : str The D-Bus interface name with which to qualify the signal; None (the default) matches all interface names `bus_name` : str A bus name for the sender, which will be resolved to a unique name if it is not already; None (the default) matches any sender. `path` : str The object path of the object which must have emitted the signal; None (the default) matches any object path :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). `named_service` : str A deprecated alias for `bus_name`. r Nr r r zrPassing the named_service parameter to add_signal_receiver by name is deprecated: please use positional parametersr r ) Z_require_main_loopr5 r6 r r r r rz acquirerx setdefaultrQ release) r: Zhandler_function signal_namer> r} pathkeywordsr r match by_interface by_membermatchesr r r add_signal_receiverK s4 G z Connection.add_signal_receiverc c s |d ur d |f}nd}|d urd |f}nd}|d ur d |f}nd}|D ]5}| j |}|d u r1q$|D ]%}||d }|d u r@q3|D ]}||d } | d u rOqB| D ]} | V qQqBq3q$d S )Nr )rx get) r: r r> r? Z path_keysZinterface_keysZ member_keysr r r mr r r _iter_easy_matches s8 z Connection._iter_easy_matchesc K sb | dd }|d ur!|d urtd|}ddlm} |dtdd g } g } | j zt| j|d } | d u r>W | j d S | |d } | d u rPW | j d S | |d } | d u rbW | j d S | D ] }||u sw|j |||||fi |r}| | qd| | qd| r| | |< n| |= | s| |= | s| j|= W | j n| j w | D ]}| | qd S )Nr r r r zuPassing the named_service parameter to remove_signal_receiver by name is deprecated: please use positional parametersr r ) r5 r6 r r r rz r rx r r rZ rQ _clean_up_signal_match)r: Zhandler_or_matchr r> r} r r r r newZ deletionsr r r r r r r rl sh z!Connection.remove_signal_receiverc C r r r )r: r r r r r s z!Connection._clean_up_signal_matchc C s t |tstS | }| }| }| |||D ]}|| q|tkrN|t krN|dkrN| j D ] }z|| W q1 t yM t tjddd Y q1w tS )zvD-Bus filter function. Handle signals by dispatching to Python callbacks kept in the match-rule tree. Z Disconnectedz-Exception in handler for Disconnected signal:r\ r] )rb r r rd re rc r rk r r rw Exceptionrf rg rh ri )r: rj r> r r r cbr r r r{ s0 zConnection._signal_func Fc s |t kr tdt |tkrtdt t| dtr$| ddd< nd| v r,tdt||||d} z | j|d|i W n t yY } zt t d |||j| d }~ww d u ri d u ri| | d S d u rot d u rut fd d }| j| || | d S )aS Call the given method, asynchronously. If the reply_handler is None, successful replies will be ignored. If the error_handler is None, failures will be ignored. If both are None, the implementation may request that no reply is sent. :Returns: The dbus.lowlevel.PendingCall. :Since: 0.81.0 1Methods may not be called on the reserved path %s6Methods may not be called on the reserved interface %sr[ r. Fr/ Z destinationr Z interfacemethod signature<Unable to set arguments %r according to signature %r: %s: %sNc s^ t | tr| jdi d S t | tr% t| d| i d S td| d S )Nnamez%Unexpected type for reply message: %rr )rb r r` r r Zget_error_namer6 )rj error_handler get_args_opts reply_handlerr r msg_reply_handler\ s z0Connection.call_async.<locals>.msg_reply_handler)require_main_loop)r r r r_ r r r6 r rQ r rf rg rh ri rV Z send_messager Zsend_message_with_reply)r: r} r= r> r r r r r timeoutrA r r rj er r r r call_async) sP zConnection.call_asyncc K s |t kr tdt |tkrtdt t|d} tr$| dd| d< nd| v r,tdt||||d} z | j|d|i W n t yY } zt t d ||| j| d } ~ ww | | |} | jd i | }t|d krpd S t|d krz|d S t|S )zECall the given method, synchronously. :Since: 0.81.0 r r r[ r. Fr/ r r r Nr r\ r )r r r r_ r r r6 r rQ r rf rg rh ri rV Z!send_message_with_reply_and_blockr` ra rq )r: r} r= r> r r r r rA r r rj r Z reply_messageZ args_listr r r call_blockingi sJ zConnection.call_blockingc C s | j | dS )zArrange for `callable` to be called with one argument (this Connection object) when the Connection becomes disconnected. :Since: 0.83.0 N)rw rQ )r: callabler r r call_on_disconnection s z Connection.call_on_disconnection)NNT)NNNN)r FT)r F)rn ro rp __doc__r r rD r~ r r r rl r r{ r r r __classcell__r r r| r r s4 & d ; A -r )"__all__Z __docformat__rf ry r3 Z_dbus_bindingsr Z _Connectionr r r r r r Zdbus.exceptionsr Z dbus.lowlevelr r r r r Z dbus.proxiesr Z dbus._compatr r r r Z getLoggerrh r objectr r r r r <module> s$ $ D