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bus.cpython-36.pyc
3 iR�VF � @ s� dZ dZddlZddlZddlmZmZmZmZm Z m Z m Z m Z m Z mZmZmZmZmZmZmZmZmZmZmZmZmZmZ ddl m Z ddl m Z ddl m!Z! ddl"m#Z# d eeef Z$d Z%ej&d �Z'G d d � d e(�Z)G dd � d e �Z*dS )� BusConnectionZreStructuredText� N)�BUS_DAEMON_IFACE�BUS_DAEMON_NAME�BUS_DAEMON_PATH� BUS_SESSION� BUS_STARTER� BUS_SYSTEM� DBUS_START_REPLY_ALREADY_RUNNING�DBUS_START_REPLY_SUCCESS�NAME_FLAG_ALLOW_REPLACEMENT�NAME_FLAG_DO_NOT_QUEUE�NAME_FLAG_REPLACE_EXISTING� RELEASE_NAME_REPLY_NON_EXISTENT� RELEASE_NAME_REPLY_NOT_OWNER�RELEASE_NAME_REPLY_RELEASED� REQUEST_NAME_REPLY_ALREADY_OWNER�REQUEST_NAME_REPLY_EXISTS�REQUEST_NAME_REPLY_IN_QUEUE� REQUEST_NAME_REPLY_PRIMARY_OWNER�validate_bus_name�validate_error_name�validate_interface_name�validate_member_name�validate_object_path)� Connection)� DBusException)� HANDLER_RESULT_NOT_YET_HANDLED)�is_py2zWtype='signal',sender='%s',interface='%s',member='NameOwnerChanged',path='%s',arg0='%%s'z)org.freedesktop.DBus.Error.NameHasNoOwnerzdbus.busc @ s e Zd ZdZdd� Zdd� ZdS ) �NameOwnerWatch�_match� _pending_callc sn t � � �fdd�}� �fdd�}|j|dttt� d�| _i }trJd|d< |jtttd d � f�|f|�| _d S ) Nc s � |� d S )N� )ZownedZ old_owner� new_owner)�callbackr! �/usr/lib64/python3.6/bus.py� signal_cb@ s z*NameOwnerWatch.__init__.<locals>.signal_cbc s: | j � tkr�d� n tj� tjd� | j| d fd� d S )N� zGetNameOwner(%s) failed:)�exc_info)� get_dbus_name�_NAME_HAS_NO_OWNER�loggingZ basicConfig�_logger�debug� __class__)�e)�bus_namer# r! r$ �error_cbC s z)NameOwnerWatch.__init__.<locals>.error_cbZNameOwnerChanged)Zarg0T� utf8_strings� GetNameOwner�s) r �add_signal_receiverr r r r r � call_asyncr )�selfZbus_connr/ r# r% r0 �keywordsr! )r/ r# r$ �__init__= s& zNameOwnerWatch.__init__c C s8 | j d k r| j j� | jd k r(| jj� d | _ d | _d S )N)r �remover �cancel)r6 r! r! r$ r: \ s zNameOwnerWatch.cancelN)r r )�__name__� __module__� __qualname__� __slots__r8 r: r! r! r! r$ r : s r c s� e Zd ZdZeZeZeZ e Z e Z edfdd�Zd*� fdd� Zdd� Zd d � Zd+d d�Zdd� Zd,dd�Zd-dd�Zdd� Zdd� Zdd� Zd d � Zd d � Zd d!� Zd"d#� Z d$d%� Z d&d'� Z d(d)� Z � Z S ).r zxA connection to a D-Bus daemon that implements the ``org.freedesktop.DBus`` pseudo-service. :Since: 0.81.0 Nc C s" | j ||d�}tj� |_i |_|S )N)�mainloop)Z _new_for_bus�weakref�WeakValueDictionaryZ _bus_names�_signal_sender_matches)�clsZaddress_or_typer? Zbusr! r! r$ �__new__y s zBusConnection.__new__c s� |j dd �}|d k rB|d k r$td��|}ddlm} |dtdd� tt| �j|||||f|�� |d k r�|tkr�|d d� d kr�� fd d �} n� j } | j || �} | | j � < | j t � �� � S ) N� named_servicez3bus_name and named_service cannot both be specifiedr )�warnzrPassing the named_service parameter to add_signal_receiver by name is deprecated: please use positional parameters� )� stacklevel� �:c s | dkr� j � d S )Nr& )r9 )r" )�matchr! r$ r# � s z3BusConnection.add_signal_receiver.<locals>.callback)�pop� TypeError�warningsrF �DeprecationWarning�superr r4 r Zset_sender_name_owner�watch_name_ownerrB �add_match_string�str) r6 Zhandler_functionZ signal_nameZdbus_interfacer/ �pathr7 rE rF r# �watch)r- )rK r$ r4 � s& z!BusConnection.add_signal_receiverc C s0 | j t|�� | jj|d �}|d k r,|j� d S )N)� remove_match_string_non_blockingrS rB rL r: )r6 rK rU r! r! r$ �_clean_up_signal_match� s z$BusConnection._clean_up_signal_matchc C st |d k rl|d d� dkrl|t krly | j|�S tk rh } z"|j� tkrJ� | j|� | j|�S d }~X qpX n|S d S )NrI rJ )r �get_name_ownerr r( r) �start_service_by_name)r6 r/ r. r! r! r$ �activate_name_owner� s z!BusConnection.activate_name_ownerTFc K s| |r | j � |jdd�}|dk rN|dk r0td��ddlm} |dtdd� |}|rhtd d j|j� � ��| j| ||||d �S ) aJ 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 rE Nz3bus_name and named_service cannot both be specifiedr )rF ziPassing the named_service parameter to get_object by name is deprecated: please use positional parametersrG )rH z4get_object does not take these keyword arguments: %sz, )� introspect�follow_name_owner_changes) Z_require_main_looprL rM rN rF rO �join�keysZProxyObjectClass)r6 r/ Z object_pathr[ r\ �kwargsrE rF r! r! r$ � get_object� s $ zBusConnection.get_objectc C s t |� | jtttdd|f�S )z�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 ZGetConnectionUnixUserr3 )r � call_blockingr r r )r6 r/ r! r! r$ � get_unix_user� s zBusConnection.get_unix_userr c C s$ t |� d| jtttdd||f�fS )a? 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 TZStartServiceByName�su)r ra r r r )r6 r/ �flagsr! r! r$ rY s z#BusConnection.start_service_by_namec C s$ t |dd� | jtttdd||f�S )a� 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. F)� allow_uniqueZ RequestNamerc )r ra r r r )r6 �namerd r! r! r$ � request_name s zBusConnection.request_namec C s" t |dd� | jtttdd|f�S )as 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. F)re Z ReleaseNamer3 )r ra r r r )r6 rf r! r! r$ � release_name1 s zBusConnection.release_namec C s( i }t rd|d< | jtttddf f|�S )z�Return a list of all currently-owned names on the bus. :Returns: a dbus.Array of dbus.UTF8String :Since: 0.81.0 Tr1 Z ListNamesr& )r ra r r r )r6 r7 r! r! r$ � list_namesB s zBusConnection.list_namesc C s( i }t rd|d< | jtttddf f|�S )z�Return a list of all names that can be activated on the bus. :Returns: a dbus.Array of dbus.UTF8String :Since: 0.81.0 Tr1 ZListActivatableNamesr& )r ra r r r )r6 r7 r! r! r$ �list_activatable_namesO s z$BusConnection.list_activatable_namesc C s6 i }t rd|d< t|dd� | jtttdd|ff|�S )z�Return the unique connection name of the primary owner of the given name. :Raises `DBusException`: if the `bus_name` has no owner :Since: 0.81.0 Tr1 F)re r2 r3 )r r ra r r r )r6 r/ r7 r! r! r$ rX \ s z BusConnection.get_name_ownerc C s t | ||�S )a 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 )r )r6 r/ r# r! r! r$ rQ k s z BusConnection.watch_name_ownerc C s t | jtttdd|f��S )z�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` Z NameHasOwnerr3 )�boolra r r r )r6 r/ r! r! r$ �name_has_ownerw s z BusConnection.name_has_ownerc C s | j tttdd|f� dS )a 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 �AddMatchr3 N)ra r r r )r6 �ruler! r! r$ rR � s z BusConnection.add_match_stringc C s | j tttdd|fdd� dS )a= 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 rm r3 N)r5 r r r )r6 rn r! r! r$ � add_match_string_non_blocking� s z+BusConnection.add_match_string_non_blockingc C s | j tttdd|f� dS )a 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 � RemoveMatchr3 N)ra r r r )r6 rn r! r! r$ �remove_match_string� s z!BusConnection.remove_match_stringc C s | j tttdd|fdd� dS )a= 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 rp r3 N)r5 r r r )r6 rn r! r! r$ rV � s z.BusConnection.remove_match_string_non_blocking)NNNN)TF)r )r )!r; r< r= �__doc__r Z TYPE_SESSIONr Z TYPE_SYSTEMr Z TYPE_STARTERr ZSTART_REPLY_SUCCESSr ZSTART_REPLY_ALREADY_RUNNINGrD r4 rW rZ r` rb rY rg rh ri rj rX rQ rl rR ro rq rV � __classcell__r! r! )r- r$ r e s6 8 )r )+�__all__Z __docformat__r* r@ Z_dbus_bindingsr r r r r r r r r r r r r r r r r r r r r r r Zdbus.connectionr Zdbus.exceptionsr Z dbus.lowlevelr Z dbus._compatr Z_NAME_OWNER_CHANGE_MATCHr) Z getLoggerr+ �objectr r r! r! r! r$ �<module> s d +
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