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Merge pull request #773 from MetaCell/feature/netpyne-44
Netpyne-44 Add mechanism to be able to react on kernel status change from the
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| import { KERNEL_HANDLING } from '../../constants'; | ||
| import { store } from '../../redux/actiondomainStore' | ||
| import { recordCommand, dropLastCommand, dropFromIndex } from '../../redux/actions/actiondomain'; | ||
| import { execPythonMessage, execPythonMessageWithoutRecording } from './GeppettoJupyterUtils'; | ||
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| const registerKernelListeners = () => { | ||
| try { | ||
| if(IPython.notebook.kernel == null) { | ||
| console.warn("Kernel not initialized. Waiting to register kernel event listeners"); | ||
| setTimeout(registerKernelListeners, 500); | ||
| return; | ||
| } | ||
| } catch (error) { | ||
| console.warn("IPython not initialized. Waiting to register kernel event listeners"); | ||
| setTimeout(registerKernelListeners, 500); | ||
| return | ||
| } | ||
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| const notebook = IPython.notebook; | ||
| const handleKernelStatusChange = (event, data) => { | ||
| const kernelStatusEvent = new CustomEvent("kernelstatus", { | ||
| detail: { | ||
| "type": event.type, | ||
| ...data | ||
| }, | ||
| }); | ||
| window.dispatchEvent(kernelStatusEvent); | ||
| }; | ||
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| const handleExecutionRequest = (event, data) => { | ||
| if (data.content.netpyne_ui_triggered) { | ||
| return | ||
| } | ||
| const { kernel, content } = data; | ||
| record(kernel.id, content.code); | ||
| } | ||
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| // Kernel lifecycle requests | ||
| notebook.events.on('kernel_created.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_reconnecting.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_connected.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_starting.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_restarting.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_autorestarting.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_interrupting.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_disconnected.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_ready.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_killed.Kernel', handleKernelStatusChange); | ||
| notebook.events.on('kernel_dead.Kernel', handleKernelStatusChange); | ||
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| // Execution requests | ||
| notebook.events.on('execution_request.Kernel', handleExecutionRequest); | ||
| } | ||
| registerKernelListeners(); | ||
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| const record = (kernelID, command) => { | ||
| store.dispatch(recordCommand(kernelID, command)) | ||
| } | ||
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| const TIMEFRAME = 10 * 1000; // 10s | ||
| let lastReplayTime = 0 | ||
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| const getCommands = (kernelID) => { | ||
| return [ | ||
| "from jupyter_geppetto import jupyter_geppetto", | ||
| "from jupyter_geppetto import utils", | ||
| "from netpyne_ui.netpyne_geppetto import netpyne_geppetto", | ||
| "netpyne_geppetto.deleteModel({})", | ||
| `netpyne_geppetto.loadFromIndexFile("${KERNEL_HANDLING.tmpModelPath}")`, | ||
| ...store.getState()[kernelID] | ||
| ] | ||
| } | ||
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| const replayAll = (kernelID, fromRec = false) => { | ||
| const currentTimestamp = Date.now(); | ||
| const commands = getCommands(kernelID); | ||
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| if (!fromRec && currentTimestamp - lastReplayTime < TIMEFRAME) { | ||
| const restartLoop = new CustomEvent("kernelRestartLoop", { | ||
| detail: { | ||
| "kernel": kernelID, | ||
| "state": "looping" | ||
| } | ||
| }); | ||
| window.dispatchEvent(restartLoop); | ||
| store.dispatch(dropLastCommand(kernelID)) | ||
| replayAll(kernelID, true) | ||
| return | ||
| } | ||
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| const lastCommand = commands.pop() // we drop the last command which is probably the faulty one | ||
| const script = commands.join('\n') | ||
| console.log("Playing", script) | ||
| console.log("Skipping last command", lastCommand) | ||
| lastReplayTime = currentTimestamp | ||
| execPythonMessageWithoutRecording(script).then(() => { | ||
| store.dispatch(dropLastCommand(kernelID)) | ||
| }) | ||
| } | ||
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| export { record, replayAll } |
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