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connection.cpython-39.pyc
a � z]�l � @ s� d Z dZddlZddlZddlZddlmZmZm Z m Z m Z m Z m Z ddlmZ ddlmZmZmZmZmZ ddlmZ ddlmZmZ er�dd lmZ n dd lm Z e� d �Z d d � Z G dd� de �Z!G dd� de�ZdS ))� Connection� SignalMatchZreStructuredText� N)r � LOCAL_IFACE� LOCAL_PATH�validate_bus_name�validate_interface_name�validate_member_name�validate_object_path)� DBusException)� ErrorMessage� HANDLER_RESULT_NOT_YET_HANDLED�MethodCallMessage�MethodReturnMessage� SignalMessage)� ProxyObject)�is_py2�is_py3)�String)� UTF8Stringzdbus.connectionc O s d S �N� )�args�kwargsr r �5/usr/lib64/python3.9/site-packages/dbus/connection.py�_noop3 s r c @ s� e Zd Zg d�Zer e�d� ee�Zddd�Zdd� 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 sd |d urt |� |d ur t|� |d ur0t|� |d ur@t|� d | _t�|�| _|| _|| _ || _ || _ || _ || _ tr�|�dd�| _nd|v r�td��|| _|| _| | _| | _| | _| | _| | _|| _|s�d | _n�i | _|D ]~}|�d�s�td| ��zt |dd � �}W n t �y. td| ��Y n0 |dk �sD|dk�rPtd | ��|| | j|< q�d 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" �weakref�refr$ r r r r r r r �popr, � TypeErrorr# r) r* r( r& r' r% r! r+ � startswith�int� ValueError)�self�conn�sender� object_path�dbus_interface�member�handler� byte_arraysZsender_keywordZ path_keywordZinterface_keywordZmember_keywordZmessage_keywordZdestination_keywordr �kwarg�indexr r r �__init__C s^ �� �zSignalMatch.__init__c C s t t| ��S �z-SignalMatch objects are compared by identity.)�hash�id�r9 r r r �__hash__~ s zSignalMatch.__hash__c C s | |u S rD r �r9 �otherr r r �__eq__� s zSignalMatch.__eq__c C s | |uS rD r rI r r r �__ne__� s zSignalMatch.__ne__c C s | j S r )r rG r r r �<lambda>� � zSignalMatch.<lambda>c C s� | j d u r�dg}| jd ur*|�d| j � | jd urD|�d| j � | jd ur^|�d| j � | jd urx|�d| j � | jd ur�| j�� D ]\}}|�d||f � q�d�|�| _ | 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+ �items�join)r9 ZrulerB �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__rF r" r$ rG r r r �__repr__� s �zSignalMatch.__repr__c C s || _ d S r )r )r9 �new_namer r r �set_sender_name_owner� s z!SignalMatch.set_sender_name_ownerc K s\ |d | j fvrdS || jkr dS || jkr.dS || jkr<dS || jkrJdS || jkrXdS dS )NFT)r r r r r r! )r9 r; r< r= r> r? r r r r �matches_removal_spec� s z SignalMatch.matches_removal_specc C s� d }| j d |�� fvrdS | jd ur�tdd�}tr6tnt}trFd|d< |jf i |��}| j� � D ]4\}}|t |�ks�t || |�r�|| |kr` dS q`| j d |� � fvr�dS | jd |�� fvr�dS | jd |�� fvr�dS z�to�| j}|d u s�|r�| j�s$t| jd�}t�r| j|d< |jf i |��}i }| jd u�rB|�� || j< | jd u�r\|�� || j< | jd u�rv|�� || j< | jd u�r�|� � || j< | jd u�r�|�� || j< | jd u�r�||| j< | j|i |�� W n" t � � t j ddd� Y n0 dS )NFT�r@ r- z&Exception in handler for D-Bus signal:� ��exc_info) r Z get_senderr+ �dictr r r r � get_args_listrQ �len� isinstancer � get_memberr � get_interfacer �get_pathr, r# r) r% Zget_destinationr* r( r& r' r �logging� basicConfig�_logger�error)r9 �messager r Zarg_typerB rS r- r r r �maybe_handle_message� s^ � � z SignalMatch.maybe_handle_messagec C s8 | � � }|d ur4|j| | j| j| j| jfi | j�� d S r )r$ �remove_signal_receiverr r r r r! )r9 r: r r r �remove� s ��zSignalMatch.remove)FNNNNNN)�__name__� __module__� __qualname__Z_slotsr rP �tuple� __slots__rC rH rK rL �propertyr; rT rV rX rY rj rl r r r r r 7 s& � ; :r c s~ e Zd ZdZeZ� fdd�Zdd� Zd dd �Zd d d �Z d d � Z d dd�Z dd� Z dd� Z d dd�Zd dd�Zdd� 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 sN t t| �j|i |�� t| d�sJd| _g | _i | _t�� | _ | � | j j � d S )N� _dbus_Connection_initializedr[ ) �superr rC �hasattrrs �"_Connection__call_on_disconnection�!_signal_recipients_by_object_path� threading�Lock� _signals_lockZadd_message_filterrU � _signal_func)r9 r r �rU r r rC 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 )r9 �bus_namer r r �activate_name_owner s z Connection.activate_name_ownerNTc K sn |� dd�}|durB|dur$td��ddlm} |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_serviceN�3bus_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)r4 r5 �warningsr� �DeprecationWarningrR �keys�ProxyObjectClass)r9 r} r< r� r r r� r r r � get_object& s � � �zConnection.get_objectc K s� | � � |�dd�}|durJ|dur,td��|}ddlm} |dtdd� t| |||||fi |��} | j�� z>| j � |i �} | � |i �} | � |g �} | � | � W | j� � n | j� � 0 | S ) 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_loopr4 r5 r� r� r� r rz �acquirerw � setdefaultrP �release) r9 Zhandler_function� signal_namer= r} �path�keywordsr r� �match� by_interface� by_member�matchesr r r �add_signal_receiverK s2 G � �� � z Connection.add_signal_receiverc c s� |d urd |f}nd}|d ur(d |f}nd}|d ur>d |f}nd}|D ]j}| j �|�}|d u r`qF|D ]J}|�|d �}|d u r~qd|D ]*}|�|d �} | d u r�q�| D ] } | V q�q�qdqFd S )Nr )rw �get) r9 r� r= r> Z path_keysZinterface_keysZ member_keysr� r� r� �mr r r �_iter_easy_matches� s. z Connection._iter_easy_matchesc K sj |� dd �}|d urB|d ur$td��|}ddlm} |dtdd� g } g } | j�� z�| j�|d �} | d u r|W | j� � d S | �|d �} | d u r�W | j� � d S | �|d �} | d u r�W | j� � d S | D ]<}||u s�|j |||||fi |��r�| � |� q�| � |� q�| �r| | |< n | |= | �s6| |= | �s6| j|= W | j� � n | j� � 0 | D ]}| � |� �qTd S )Nr r� r r� zuPassing the named_service parameter to remove_signal_receiver by name is deprecated: please use positional parametersr� r� ) r4 r5 r� r� r� rz r� rw r� r� rY rP �_clean_up_signal_match)r9 Zhandler_or_matchr� r= r} r� r� r r� �newZ deletionsr� r� r� r� r r r rk � sj � � � � ���� z!Connection.remove_signal_receiverc C s d S r r )r9 r� r r r r� s z!Connection._clean_up_signal_matchc C s� t |t�stS |�� }|�� }|�� }| �|||�D ]}|�|� q4|tkr�|t kr�|dkr�| j D ]:}z || � W qb t y� t � � tjddd� Y qb0 qbtS )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\ )ra r r rc rd rb r� rj r r rv � Exceptionre rf rg rh )r9 ri r= r� r� r� �cbr r r r{ s. � �� �zConnection._signal_func� �Fc s |t krtdt ��|tkr(tdt ��t| d��trH| �dd��d< nd| v rXtd��t||||d�} z| j|d|i� W nB t y� } z*t � � t � d |||j|� � W Y d }~n d }~0 0 �d u rވ d u r�| �| � d S �d u r�t�� d u r�t� � ��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 %s�6Methods may not be called on the reserved interface %srZ r- Fr. �Z destinationr� Z interface�method� signature�<Unable to set arguments %r according to signature %r: %s: %sNc sZ t | t�r �| jf i ���� n6t | t�rF� t| �� d| �� i�� n� td| �� d S )N�namez%Unexpected type for reply message: %r)ra r r_ r r Zget_error_namer5 )ri �� 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� r5 r rP r� re rf rg rh rU Z send_messager Zsend_message_with_reply)r9 r} r< r= r� r� r r� r� �timeoutr@ r� r ri �er� r r� r � call_async) sL �� � � �zConnection.call_asyncc K s |t krtdt ��|tkr(tdt ��t|d�} trH| �dd�| d< nd| v rXtd��t||||d�} z| j|d|i� W nB t y� } z*t � � t � d ||| j| � � W Y d } ~ n d } ~ 0 0 | �| |�} | jf i | ��}t|�d kr�d S t|�d k�r|d S t|�S d S ) zECall the given method, synchronously. :Since: 0.81.0 r� r� rZ r- Fr. r� r� r� Nr r[ )r r r r^ r r� r5 r rP r� re rf rg rh rU Z!send_message_with_reply_and_blockr_ r` rp )r9 r} r< r= r� r� r r� r@ r r� ri r� Z reply_messageZ args_listr r r � call_blockingi sF �� � �� zConnection.call_blockingc C s | j �|� dS )z�Arrange for `callable` to be called with one argument (this Connection object) when the Connection becomes disconnected. :Since: 0.83.0 N)rv rP )r9 �callabler r r �call_on_disconnection� s z Connection.call_on_disconnection)NNT)NNNN)NNNN)r� FT)r� F)rm rn ro �__doc__r r� rC r~ r� r� r� rk r� r{ r� r� r� � __classcell__r r r| r r � s2 & � d � ; � A � -r )"�__all__Z __docformat__re rx r2 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 getLoggerrg r �objectr r r r r �<module> s" $ D