o º¼tf—ã@sdZGdd„deƒZdS)z@Defines a convenient mix-in class for implementing Qt frontends.c@sŒeZdZdZdZdZedd„ƒZejdd„ƒZedd„ƒZ e jdd„ƒZ d d „Z d d „Z d d„Z dd„Z dd„Zdd„Zdd„Zdd„ZdS)ÚBaseFrontendMixinzô A mix-in class for implementing Qt frontends. To handle messages of a particular type, frontends need only define an appropriate handler method. For example, to handle 'stream' messaged, define a '_handle_stream(msg)' method. NcCó|jS)z"Returns the current kernel client.)Ú_kernel_client©Úself©rúf/var/www/html/software/conda/envs/catlas/lib/python3.10/site-packages/qtconsole/base_frontend_mixin.pyÚ kernel_clientózBaseFrontendMixin.kernel_clientcCsü|j}|dur<|j |j¡|j |j¡|jj |j¡|j j |j¡|j j |j¡|j j  |j ¡|jr<| ¡||_|durEdS|j |j¡|j |j¡|jj |j¡|j j |j¡|j j |j¡|j j  |j ¡|jr|| ¡dSdS)zdDisconnect from the current kernel client (if any) and set a new kernel client. N)rZstarted_channelsÚ disconnectÚ_started_channelsZstopped_channelsÚ_stopped_channelsZ iopub_channelZmessage_receivedÚ _dispatchZ shell_channelZ stdin_channelZ hb_channelZ kernel_diedÚ_handle_kernel_diedZchannels_runningÚconnect)rrZ old_clientrrrrs0ÿ ÿcCr)zThe kernel manager, if any)Ú_kernel_managerrrrrÚkernel_managerBr z BaseFrontendMixin.kernel_managercCs@|j}|dur|j |j¡||_|durdS|j |j¡dS)N)rZkernel_restartedr Ú_handle_kernel_restartedr)rrÚold_manrrrrGscCódS)a´ This is called when the ``kernel_died`` signal is emitted. This method is called when the kernel heartbeat has not been active for a certain amount of time. This is a strictly passive notification - the kernel is likely being restarted by its KernelManager. Parameters ---------- since_last_heartbeat : float The time since the heartbeat was last received. Nr)rZsince_last_heartbeatrrrrWóz%BaseFrontendMixin._handle_kernel_diedcCr)a9 This is called when the ``kernel_restarted`` signal is emitted. This method is called when the kernel has been restarted by the autorestart mechanism. Parameters ---------- since_last_heartbeat : float The time since the heartbeat was last received. Nrrrrrrerz*BaseFrontendMixin._handle_kernel_restartedcCr)zŒCalled when the KernelManager starts (or restarts) the kernel subprocess. Channels may or may not be running at this point. NrrrrrÚ_started_kernelprz!BaseFrontendMixin._started_kernelcCr)z˜ Called when the KernelManager channels have started listening or when the frontend is assigned an already listening KernelManager. Nrrrrrr urz#BaseFrontendMixin._started_channelscCr)z“ Called when the KernelManager channels have stopped listening or when a listening KernelManager is removed from the frontend. Nrrrrrr zrz#BaseFrontendMixin._stopped_channelscCs0|dd}t|d|dƒ}|r||ƒdSdS)zg Calls the frontend handler associated with the message type of the given message. ÚheaderÚmsg_typeZ_handle_N)Úgetattr)rÚmsgrÚhandlerrrrr ƒs  ÿzBaseFrontendMixin._dispatchcCs|jjj}|d d|¡|kS)z-Return whether a message is from this sessionÚ parent_headerÚsession)rrÚget)rrZ session_idrrrÚ from_hereŒs zBaseFrontendMixin.from_herecCsb|dr|dd}|jd |¡}|r|jrdS| |¡}|ddkr*|jo)| S|jr/dS|S)z7Return whether we should include a given output messagerÚmsg_idÚexecuteFrZ execute_inputT)Z _request_inforZhiddenrZinclude_other_output)rrr ÚinforrrrÚinclude_output‘s     z BaseFrontendMixin.include_output)Ú__name__Ú __module__Ú __qualname__Ú__doc__rrÚpropertyrÚsetterrrrrr r r rr#rrrrrs(   *     rN)r'ÚobjectrrrrrÚs