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disposed");this._hooks.add(e)}removeMessageHook(e){this.isDisposed||this._hooks.remove(e)}sendInputReply(e){this._kernel.sendInputReply(e)}dispose(){this._stdin=de.noOp,this._iopub=de.noOp,this._reply=de.noOp,this._hooks=null,this._testFlag(de.KernelFutureFlag.IsDone)||(this._done.promise.catch(()=>{}),this._done.reject(new Error(`Canceled future for ${this.msg.header.msg_type} message before replies were done`))),super.dispose()}async handleMsg(e){switch(e.channel){case"control":case"shell":e.channel===this.msg.channel&&e.parent_header.msg_id===this.msg.header.msg_id&&await this._handleReply(e);break;case"stdin":await this._handleStdin(e);break;case"iopub":await this._handleIOPub(e);break;default:break}}async _handleReply(e){let t=this._reply;t&&await t(e),this._replyMsg=e,this._setFlag(de.KernelFutureFlag.GotReply),this._testFlag(de.KernelFutureFlag.GotIdle)&&this._handleDone()}async _handleStdin(e){let t=this._stdin;t&&await t(e)}async _handleIOPub(e){let t=await this._hooks.process(e),r=this._iopub;t&&r&&await r(e),oc.isStatusMsg(e)&&e.content.execution_state==="idle"&&(this._setFlag(de.KernelFutureFlag.GotIdle),this._testFlag(de.KernelFutureFlag.GotReply)&&this._handleDone())}_handleDone(){this._testFlag(de.KernelFutureFlag.IsDone)||(this._setFlag(de.KernelFutureFlag.IsDone),this._done.resolve(this._replyMsg),this._disposeOnDone&&this.dispose())}_testFlag(e){return(this._status&e)!==0}_setFlag(e){this._status|=e}};Ce.KernelFutureHandler=en;var oi=class extends en{};Ce.KernelControlFutureHandler=oi;var ai=class extends en{};Ce.KernelShellFutureHandler=ai;var de;(function(n){n.noOp=()=>{};let e=(()=>typeof requestAnimationFrame=="function"?requestAnimationFrame:setImmediate)();class t{constructor(){this._hooks=[]}add(s){this.remove(s),this._hooks.push(s)}remove(s){let o=this._hooks.indexOf(s);o>=0&&(this._hooks[o]=null,this._scheduleCompact())}async process(s){await this._processing;let o=new ko.PromiseDelegate;this._processing=o.promise;let a;for(let l=this._hooks.length-1;l>=0;l--){let u=this._hooks[l];if(u!==null){try{a=await u(s)}catch(f){a=!0,console.error(f)}if(a===!1)return o.resolve(void 0),!1}}return o.resolve(void 0),!0}_scheduleCompact(){this._compactScheduled||(this._compactScheduled=!0,e(()=>{this._processing=this._processing.then(()=>{this._compactScheduled=!1,this._compact()})}))}_compact(){let s=0;for(let o=0,a=this._hooks.length;o<a;o++){let l=this._hooks[o];this._hooks[o]===null?s++:this._hooks[o-s]=l}this._hooks.length-=s}}n.HookList=t;let r;(function(i){i[i.GotReply=1]="GotReply",i[i.GotIdle=2]="GotIdle",i[i.IsDone=4]="IsDone",i[i.DisposeOnDone=8]="DisposeOnDone"})(r=n.KernelFutureFlag||(n.KernelFutureFlag={}))})(de||(de={}))});var jo=k(Pt=>{"use strict";h();Object.defineProperty(Pt,"__esModule",{value:!0});Pt.serialize=Pt.deserialize=void 0;function ac(n){let e;return typeof n=="string"?e=JSON.parse(n):e=uc(n),e}Pt.deserialize=ac;function lc(n){var e;let t;return!((e=n.buffers)===null||e===void 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a.buffer}});var Uo=k(Fo=>{"use strict";h();Object.defineProperty(Fo,"__esModule",{value:!0})});var Ko=k(Mt=>{"use strict";h();Object.defineProperty(Mt,"__esModule",{value:!0});Mt.validateSpecModels=Mt.validateSpecModel=void 0;var mt=Yt();function Wo(n){let e=n.spec;if(!e)throw new Error("Invalid kernel spec");mt.validateProperty(n,"name","string"),mt.validateProperty(n,"resources","object"),mt.validateProperty(e,"language","string"),mt.validateProperty(e,"display_name","string"),mt.validateProperty(e,"argv","array");let t=null;e.hasOwnProperty("metadata")&&(mt.validateProperty(e,"metadata","object"),t=e.metadata);let r=null;return e.hasOwnProperty("env")&&(mt.validateProperty(e,"env","object"),r=e.env),{name:n.name,resources:n.resources,language:e.language,display_name:e.display_name,argv:e.argv,metadata:t,env:r}}Mt.validateSpecModel=Wo;function dc(n){if(!n.hasOwnProperty("kernelspecs"))throw new Error("No kernelspecs found");let 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Ec.Poll({auto:!1,factory:()=>this.requestSpecs(),frequency:{interval:61*1e3,backoff:!0,max:300*1e3},name:"@jupyterlab/services:KernelSpecManager#specs",standby:(t=e.standby)!==null&&t!==void 0?t:"when-hidden"}),this.ready.then(()=>{this._pollSpecs.start()})}get isReady(){return this._isReady}get ready(){return this._ready}get specs(){return this._specs}get specsChanged(){return this._specsChanged}get connectionFailure(){return this._connectionFailure}dispose(){this._pollSpecs.dispose(),super.dispose()}async refreshSpecs(){await this._pollSpecs.refresh(),await this._pollSpecs.tick}async requestSpecs(){let e=await bc.getSpecs(this.serverSettings);this.isDisposed||yc.JSONExt.deepEqual(e,this._specs)||(this._specs=e,this._specsChanged.emit(e))}};$e.KernelSpecManager=ci});var Un=k(me=>{"use strict";h();var Bo=me&&me.__createBinding||(Object.create?function(n,e,t,r){r===void 0&&(r=t),Object.defineProperty(n,r,{enumerable:!0,get:function(){return e[t]}})}:function(n,e,t,r){r===void 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o=this.serverSettings,a=$o.URLExt.join(o.wsUrl,Wn.KERNEL_SERVICE_URL,encodeURIComponent(this._id)),l=a.replace(/^((?:\w+:)?\/\/)(?:[^@\/]+@)/,"$1"),u=$o.URLExt.join(a,"channels?session_id="+encodeURIComponent(this._clientId)),f=o.token;o.appendToken&&f!==""&&(u=u+`&token=${encodeURIComponent(f)}`),this._ws=new o.WebSocket(u),this._ws.binaryType="arraybuffer",this._ws.onmessage=this._onWSMessage,this._ws.onopen=this._onWSOpen,this._ws.onclose=this._onWSClose,this._ws.onerror=this._onWSClose},this._onWSOpen=o=>{this._updateConnectionStatus("connected")},this._onWSMessage=o=>{let a;try{a=di.deserialize(o.data),Mc.validateMessage(a)}catch(l){throw l.message=`Kernel message validation error: ${l.message}`,l}this._kernelSession=a.header.session,this._msgChain=this._msgChain.then(()=>this._handleMessage(a)).catch(l=>{l.message.startsWith("Canceled future for ")&&console.error(l)}),this._anyMessage.emit({msg:a,direction:"recv"})},this._onWSClose=o=>{this.isDisposed||this._reconnect()},this._id="",this._name="",this._status="unknown",this._connectionStatus="connecting",this._kernelSession="",this._isDisposed=!1,this._ws=null,this._username="",this._reconnectLimit=7,this._reconnectAttempt=0,this._reconnectTimeout=null,this._futures=new Map,this._comms=new Map,this._targetRegistry=Object.create(null),this._info=new it.PromiseDelegate,this._pendingMessages=[],this._statusChanged=new vt.Signal(this),this._connectionStatusChanged=new vt.Signal(this),this._disposed=new vt.Signal(this),this._iopubMessage=new vt.Signal(this),this._anyMessage=new vt.Signal(this),this._unhandledMessage=new vt.Signal(this),this._displayIdToParentIds=new Map,this._msgIdToDisplayIds=new Map,this._msgChain=Promise.resolve(),this._noOp=()=>{},this._name=e.model.name,this._id=e.model.id,this.serverSettings=(t=e.serverSettings)!==null&&t!==void 0?t:Pc.ServerConnection.makeSettings(),this._clientId=(r=e.clientId)!==null&&r!==void 0?r:it.UUID.uuid4(),this._username=(i=e.username)!==null&&i!==void 0?i:"",this.handleComms=(s=e.handleComms)!==null&&s!==void 0?s:!0,this._createSocket()}get disposed(){return this._disposed}get statusChanged(){return this._statusChanged}get connectionStatusChanged(){return this._connectionStatusChanged}get iopubMessage(){return this._iopubMessage}get unhandledMessage(){return this._unhandledMessage}get model(){return{id:this.id,name:this.name}}get anyMessage(){return this._anyMessage}get id(){return this._id}get name(){return this._name}get username(){return this._username}get clientId(){return this._clientId}get status(){return this._status}get connectionStatus(){return this._connectionStatus}get isDisposed(){return this._isDisposed}get info(){return this._info.promise}get spec(){return this._specPromise?this._specPromise:(this._specPromise=Tc.KernelSpecAPI.getSpecs(this.serverSettings).then(e=>e.kernelspecs[this._name]),this._specPromise)}clone(e={}){return new n(Object.assign({model:this.model,username:this.username,serverSettings:this.serverSettings,handleComms:!1},e))}dispose(){this.isDisposed||(this._isDisposed=!0,this._disposed.emit(),this._updateConnectionStatus("disconnected"),this._clearKernelState(),this._pendingMessages=[],this._clearSocket(),vt.Signal.clearData(this))}sendShellMessage(e,t=!1,r=!0){return this._sendKernelShellControl(Go.KernelShellFutureHandler,e,t,r)}sendControlMessage(e,t=!1,r=!0){return this._sendKernelShellControl(Go.KernelControlFutureHandler,e,t,r)}_sendKernelShellControl(e,t,r=!1,i=!0){this._sendMessage(t),this._anyMessage.emit({msg:t,direction:"send"});let s=new e(()=>{let o=t.header.msg_id;this._futures.delete(o);let a=this._msgIdToDisplayIds.get(o);a&&(a.forEach(l=>{let u=this._displayIdToParentIds.get(l);if(u){let f=u.indexOf(o);if(f===-1)return;u.length===1?this._displayIdToParentIds.delete(l):(u.splice(f,1),this._displayIdToParentIds.set(l,u))}}),this._msgIdToDisplayIds.delete(o))},t,r,i,this);return this._futures.set(t.header.msg_id,s),s}_sendMessage(e,t=!0){if(this.status==="dead")throw new Error("Kernel is dead");if((this._kernelSession===Nc||this._kernelSession===Tt)&&Pe.isInfoRequestMsg(e))if(this.connectionStatus==="connected"){this._ws.send(di.serialize(e));return}else throw new Error("Could not send message: status is not connected");if(t&&this._pendingMessages.length>0){this._pendingMessages.push(e);return}if(this.connectionStatus==="connected"&&this._kernelSession!==Tt)this._ws.send(di.serialize(e));else if(t)this._pendingMessages.push(e);else throw new Error("Could not send message")}async interrupt(){if(this.status==="dead")throw new Error("Kernel is dead");return Wn.interruptKernel(this.id,this.serverSettings)}async restart(){if(this.status==="dead")throw new Error("Kernel is dead");this._updateStatus("restarting"),this._clearKernelState(),this._kernelSession=Tt,await Wn.restartKernel(this.id,this.serverSettings),await this.reconnect()}reconnect(){this._errorIfDisposed();let e=new it.PromiseDelegate,t=(r,i)=>{i==="connected"?(e.resolve(),this.connectionStatusChanged.disconnect(t,this)):i==="disconnected"&&(e.reject(new Error("Kernel connection disconnected")),this.connectionStatusChanged.disconnect(t,this))};return this.connectionStatusChanged.connect(t,this),this._reconnectAttempt=0,this._reconnect(),e.promise}async shutdown(){this.status!=="dead"&&await Wn.shutdownKernel(this.id,this.serverSettings),this.handleShutdown()}handleShutdown(){this._updateStatus("dead"),this.dispose()}async requestKernelInfo(){let e=Pe.createMessage({msgType:"kernel_info_request",channel:"shell",username:this._username,session:this._clientId,content:{}}),t;try{t=await Le.handleShellMessage(this,e)}catch(r){if(this.isDisposed)return;throw r}if(this._errorIfDisposed(),!!t)return t.content.status===void 0&&(t.content.status="ok"),t.content.status!=="ok"?(this._info.reject("Kernel info reply errored"),t):(this._info.resolve(t.content),this._kernelSession=t.header.session,t)}requestComplete(e){let t=Pe.createMessage({msgType:"complete_request",channel:"shell",username:this._username,session:this._clientId,content:e});return Le.handleShellMessage(this,t)}requestInspect(e){let t=Pe.createMessage({msgType:"inspect_request",channel:"shell",username:this._username,session:this._clientId,content:e});return Le.handleShellMessage(this,t)}requestHistory(e){let t=Pe.createMessage({msgType:"history_request",channel:"shell",username:this._username,session:this._clientId,content:e});return Le.handleShellMessage(this,t)}requestExecute(e,t=!0,r){let i={silent:!1,store_history:!0,user_expressions:{},allow_stdin:!0,stop_on_error:!1},s=Pe.createMessage({msgType:"execute_request",channel:"shell",username:this._username,session:this._clientId,content:Object.assign(Object.assign({},i),e),metadata:r});return this.sendShellMessage(s,!0,t)}requestDebug(e,t=!0){let r=Pe.createMessage({msgType:"debug_request",channel:"control",username:this._username,session:this._clientId,content:e});return this.sendControlMessage(r,!0,t)}requestIsComplete(e){let t=Pe.createMessage({msgType:"is_complete_request",channel:"shell",username:this._username,session:this._clientId,content:e});return Le.handleShellMessage(this,t)}requestCommInfo(e){let t=Pe.createMessage({msgType:"comm_info_request",channel:"shell",username:this._username,session:this._clientId,content:e});return Le.handleShellMessage(this,t)}sendInputReply(e){let t=Pe.createMessage({msgType:"input_reply",channel:"stdin",username:this._username,session:this._clientId,content:e});this._sendMessage(t),this._anyMessage.emit({msg:t,direction:"send"})}createComm(e,t=it.UUID.uuid4()){if(!this.handleComms)throw new Error("Comms are disabled on this kernel connection");if(this._comms.has(t))throw new Error("Comm is already created");let r=new Jo.CommHandler(e,t,this,()=>{this._unregisterComm(t)});return this._comms.set(t,r),r}hasComm(e){return this._comms.has(e)}registerCommTarget(e,t){this.handleComms&&(this._targetRegistry[e]=t)}removeCommTarget(e,t){this.handleComms&&!this.isDisposed&&this._targetRegistry[e]===t&&delete this._targetRegistry[e]}registerMessageHook(e,t){var r;let i=(r=this._futures)===null||r===void 0?void 0:r.get(e);i&&i.registerMessageHook(t)}removeMessageHook(e,t){var r;let i=(r=this._futures)===null||r===void 0?void 0:r.get(e);i&&i.removeMessageHook(t)}async _handleDisplayId(e,t){var r,i;let s=t.parent_header.msg_id,o=this._displayIdToParentIds.get(e);if(o){let l={header:it.JSONExt.deepCopy(t.header),parent_header:it.JSONExt.deepCopy(t.parent_header),metadata:it.JSONExt.deepCopy(t.metadata),content:it.JSONExt.deepCopy(t.content),channel:t.channel,buffers:t.buffers?t.buffers.slice():[]};l.header.msg_type="update_display_data",await Promise.all(o.map(async u=>{let f=this._futures&&this._futures.get(u);f&&await f.handleMsg(l)}))}if(t.header.msg_type==="update_display_data")return!0;o=(r=this._displayIdToParentIds.get(e))!==null&&r!==void 0?r:[],o.indexOf(s)===-1&&o.push(s),this._displayIdToParentIds.set(e,o);let a=(i=this._msgIdToDisplayIds.get(s))!==null&&i!==void 0?i:[];return a.indexOf(s)===-1&&a.push(s),this._msgIdToDisplayIds.set(s,a),!1}_clearSocket(){this._ws!==null&&(this._ws.onopen=this._noOp,this._ws.onclose=this._noOp,this._ws.onerror=this._noOp,this._ws.onmessage=this._noOp,this._ws.close(),this._ws=null)}_updateStatus(e){this._status===e||this._status==="dead"||(this._status=e,Le.logKernelStatus(this),this._statusChanged.emit(e),e==="dead"&&this.dispose())}_sendPending(){for(;this.connectionStatus==="connected"&&this._kernelSession!==Tt&&this._pendingMessages.length>0;)this._sendMessage(this._pendingMessages[0],!1),this._pendingMessages.shift()}_clearKernelState(){this._kernelSession="",this._pendingMessages=[],this._futures.forEach(e=>{e.dispose()}),this._comms.forEach(e=>{e.dispose()}),this._msgChain=Promise.resolve(),this._futures=new Map,this._comms=new Map,this._displayIdToParentIds.clear(),this._msgIdToDisplayIds.clear()}_assertCurrentMessage(e){if(this._errorIfDisposed(),e.header.session!==this._kernelSession)throw new Error(`Canceling handling of old message: ${e.header.msg_type}`)}async _handleCommOpen(e){this._assertCurrentMessage(e);let t=e.content,r=new Jo.CommHandler(t.target_name,t.comm_id,this,()=>{this._unregisterComm(t.comm_id)});this._comms.set(t.comm_id,r);try{await(await Le.loadObject(t.target_name,t.target_module,this._targetRegistry))(r,e)}catch(i){throw r.close(),console.error("Exception opening new comm"),i}}async _handleCommClose(e){this._assertCurrentMessage(e);let t=e.content,r=this._comms.get(t.comm_id);if(!r){console.error("Comm not found for comm id "+t.comm_id);return}this._unregisterComm(r.commId);let i=r.onClose;i&&await i(e),r.dispose()}async _handleCommMsg(e){this._assertCurrentMessage(e);let t=e.content,r=this._comms.get(t.comm_id);if(!r)return;let i=r.onMsg;i&&await i(e)}_unregisterComm(e){this._comms.delete(e)}_updateConnectionStatus(e){if(this._connectionStatus!==e){if(this._connectionStatus=e,e!=="connecting"&&(this._reconnectAttempt=0,clearTimeout(this._reconnectTimeout)),this.status!=="dead")if(e==="connected"){let t=this._kernelSession===Tt,r=this.requestKernelInfo(),i=!1,s=()=>{i||(i=!0,t&&this._kernelSession===Tt&&(this._kernelSession=""),clearTimeout(o),this._pendingMessages.length>0&&this._sendPending())};r.then(s);let o=setTimeout(s,Oc)}else this._updateStatus("unknown");this._connectionStatusChanged.emit(e)}}async _handleMessage(e){var t,r;let i=!1;if(e.parent_header&&e.channel==="iopub"&&(Pe.isDisplayDataMsg(e)||Pe.isUpdateDisplayDataMsg(e)||Pe.isExecuteResultMsg(e))){let o=((t=e.content.transient)!==null&&t!==void 0?t:{}).display_id;o&&(i=await this._handleDisplayId(o,e),this._assertCurrentMessage(e))}if(!i&&e.parent_header){let s=e.parent_header,o=(r=this._futures)===null||r===void 0?void 0:r.get(s.msg_id);if(o)await o.handleMsg(e),this._assertCurrentMessage(e);else{let a=s.session===this.clientId;e.channel!=="iopub"&&a&&this._unhandledMessage.emit(e)}}if(e.channel==="iopub"){switch(e.header.msg_type){case"status":{let s=e.content.execution_state;s==="restarting"&&Promise.resolve().then(async()=>{this._updateStatus("autorestarting"),this._clearKernelState(),await this.reconnect()}),this._updateStatus(s);break}case"comm_open":this.handleComms&&await this._handleCommOpen(e);break;case"comm_msg":this.handleComms&&await this._handleCommMsg(e);break;case"comm_close":this.handleComms&&await this._handleCommClose(e);break;default:break}this.isDisposed||(this._assertCurrentMessage(e),this._iopubMessage.emit(e))}}_reconnect(){if(this._errorIfDisposed(),clearTimeout(this._reconnectTimeout),this._reconnectAttempt<this._reconnectLimit){this._updateConnectionStatus("connecting");let e=Le.getRandomIntInclusive(0,1e3*(Math.pow(2,this._reconnectAttempt)-1));console.warn(`Connection lost, reconnecting in ${Math.floor(e/1e3)} seconds.`),this._reconnectTimeout=setTimeout(this._createSocket,e),this._reconnectAttempt+=1}else this._updateConnectionStatus("disconnected");this._clearSocket()}_errorIfDisposed(){if(this.isDisposed)throw new Error("Kernel connection is disposed")}};Je.KernelConnection=hi;var Le;(function(n){function e(s){switch(s.status){case"idle":case"busy":case"unknown":return;default:console.debug(`Kernel: ${s.status} (${s.id})`);break}}n.logKernelStatus=e;async function t(s,o){return s.sendShellMessage(o,!0).done}n.handleShellMessage=t;function r(s,o,a){return new Promise((l,u)=>{if(o){if(typeof requirejs=="undefined")throw new Error("requirejs not found");requirejs([o],f=>{if(f[s]===void 0){let c=`Object '${s}' not found in module '${o}'`;u(new Error(c))}else l(f[s])},u)}else a!=null&&a[s]?l(a[s]):u(new Error(`Object '${s}' not found in registry`))})}n.loadObject=r;function i(s,o){return s=Math.ceil(s),o=Math.floor(o),Math.floor(Math.random()*(o-s+1))+s}n.getRandomIntInclusive=i})(Le||(Le={}))});var Xo=k(Vn=>{"use strict";h();Object.defineProperty(Vn,"__esModule",{value:!0});Vn.KernelManager=void 0;var zo=ct(),Lc=Qt(),Yo=ce(),kc=Ve(),xc=Zt(),qn=Nn(),jc=fi(),pi=class extends xc.BaseManager{constructor(e={}){var t;super(e),this._isReady=!1,this._kernelConnections=new Set,this._models=new Map,this._runningChanged=new Yo.Signal(this),this._connectionFailure=new Yo.Signal(this),this._pollModels=new Lc.Poll({auto:!1,factory:()=>this.requestRunning(),frequency:{interval:10*1e3,backoff:!0,max:300*1e3},name:"@jupyterlab/services:KernelManager#models",standby:(t=e.standby)!==null&&t!==void 0?t:"when-hidden"}),this._ready=(async()=>{await this._pollModels.start(),await this._pollModels.tick,this._isReady=!0})()}get isReady(){return this._isReady}get ready(){return this._ready}get runningChanged(){return this._runningChanged}get connectionFailure(){return this._connectionFailure}dispose(){this.isDisposed||(this._models.clear(),this._kernelConnections.forEach(e=>e.dispose()),this._pollModels.dispose(),super.dispose())}connectTo(e){var t;let{id:r}=e.model,i=(t=e.handleComms)!==null&&t!==void 0?t:!0;if(e.handleComms===void 0){for(let o of this._kernelConnections)if(o.id===r&&o.handleComms){i=!1;break}}let s=new jc.KernelConnection(Object.assign(Object.assign({handleComms:i},e),{serverSettings:this.serverSettings}));return this._onStarted(s),this._models.has(r)||this.refreshRunning().catch(()=>{}),s}running(){return zo.iter([...this._models.values()])}async refreshRunning(){await this._pollModels.refresh(),await this._pollModels.tick}async startNew(e={},t={}){let r=await qn.startNew(e,this.serverSettings);return this.connectTo(Object.assign(Object.assign({},t),{model:r}))}async shutdown(e){await qn.shutdownKernel(e,this.serverSettings),await this.refreshRunning()}async shutdownAll(){await this.refreshRunning(),await Promise.all([...this._models.keys()].map(e=>qn.shutdownKernel(e,this.serverSettings))),await this.refreshRunning()}async findById(e){return this._models.has(e)?this._models.get(e):(await this.refreshRunning(),this._models.get(e))}async requestRunning(){var e,t;let r;try{r=await qn.listRunning(this.serverSettings)}catch(i){throw(i instanceof kc.ServerConnection.NetworkError||((e=i.response)===null||e===void 0?void 0:e.status)===503||((t=i.response)===null||t===void 0?void 0:t.status)===424)&&this._connectionFailure.emit(i),i}this.isDisposed||this._models.size===r.length&&zo.every(r,i=>{let s=this._models.get(i.id);return s?s.name===i.name:!1})||(this._models=new Map(r.map(i=>[i.id,i])),this._kernelConnections.forEach(i=>{this._models.has(i.id)||i.handleShutdown()}),this._runningChanged.emit(r))}_onStarted(e){this._kernelConnections.add(e),e.statusChanged.connect(this._onStatusChanged,this),e.disposed.connect(this._onDisposed,this)}_onDisposed(e){this._kernelConnections.delete(e),this.refreshRunning().catch(()=>{})}_onStatusChanged(e,t){t==="dead"&&this.refreshRunning().catch(()=>{})}};Vn.KernelManager=pi});var _i=k(he=>{"use strict";h();var Qo=he&&he.__createBinding||(Object.create?function(n,e,t,r){r===void 0&&(r=t),Object.defineProperty(n,r,{enumerable:!0,get:function(){return e[t]}})}:function(n,e,t,r){r===void 0&&(r=t),n[r]=e[t]}),Fc=he&&he.__setModuleDefault||(Object.create?function(n,e){Object.defineProperty(n,"default",{enumerable:!0,value:e})}:function(n,e){n.default=e}),gi=he&&he.__importStar||function(n){if(n&&n.__esModule)return n;var e={};if(n!=null)for(var t in 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mi.PageConfig.getOption("buildCheck").toLowerCase()==="true"}getStatus(){let{_url:e,serverSettings:t}=this;return st.ServerConnection.makeRequest(e,{},t).then(i=>{if(i.status!==200)throw new st.ServerConnection.ResponseError(i);return i.json()}).then(i=>{if(typeof i.status!="string")throw new Error("Invalid data");if(typeof i.message!="string")throw new Error("Invalid data");return i})}build(){let{_url:e,serverSettings:t}=this,r={method:"POST"};return st.ServerConnection.makeRequest(e,r,t).then(s=>{if(s.status===400)throw new st.ServerConnection.ResponseError(s,"Build aborted");if(s.status!==200){let o=`Build failed with ${s.status}, please run 'jupyter lab build' on the server for full output`;throw new st.ServerConnection.ResponseError(s,o)}})}cancel(){let{_url:e,serverSettings:t}=this,r={method:"DELETE"};return st.ServerConnection.makeRequest(e,r,t).then(s=>{if(s.status!==204)throw new st.ServerConnection.ResponseError(s)})}};Bn.BuildManager=vi});var bi=k(Hn=>{"use strict";h();Object.defineProperty(Hn,"__esModule",{value:!0});Hn.NbConvertManager=void 0;var Bc=Ie(),yi=De(),Hc="api/nbconvert",Ei=class{constructor(e={}){var t;this.serverSettings=(t=e.serverSettings)!==null&&t!==void 0?t:yi.ServerConnection.makeSettings()}async getExportFormats(){let e=this.serverSettings.baseUrl,t=Bc.URLExt.join(e,Hc),{serverSettings:r}=this,i=await yi.ServerConnection.makeRequest(t,{},r);if(i.status!==200)throw await yi.ServerConnection.ResponseError.create(i);let s=await i.json(),o={};return Object.keys(s).forEach(function(l){let u=s[l].output_mimetype;o[l]={output_mimetype:u}}),o}};Hn.NbConvertManager=Ei});var ta=k(ea=>{"use strict";h();Object.defineProperty(ea,"__esModule",{value:!0})});var ra=k(ot=>{"use strict";h();Object.defineProperty(ot,"__esModule",{value:!0});ot.validateModels=ot.updateLegacySessionModel=ot.validateModel=void 0;var $c=Tn(),tn=Yt();function na(n){tn.validateProperty(n,"id","string"),tn.validateProperty(n,"type","string"),tn.validateProperty(n,"name","string"),tn.validateProperty(n,"path","string"),tn.validateProperty(n,"kernel","object"),$c.validateModel(n.kernel)}ot.validateModel=na;function Jc(n){n.path===void 0&&n.notebook!==void 0&&(n.path=n.notebook.path,n.type="notebook",n.name="")}ot.updateLegacySessionModel=Jc;function Gc(n){if(!Array.isArray(n))throw new Error("Invalid session list");n.forEach(e=>na(e))}ot.validateModels=Gc});var Jn=k(ae=>{"use strict";h();Object.defineProperty(ae,"__esModule",{value:!0});ae.updateSession=ae.startSession=ae.getSessionModel=ae.shutdownSession=ae.getSessionUrl=ae.listRunning=ae.SESSION_SERVICE_URL=void 0;var ge=De(),Si=Ie(),at=ra();ae.SESSION_SERVICE_URL="api/sessions";async function zc(n=ge.ServerConnection.makeSettings()){let e=Si.URLExt.join(n.baseUrl,ae.SESSION_SERVICE_URL),t=await ge.ServerConnection.makeRequest(e,{},n);if(t.status!==200)throw await ge.ServerConnection.ResponseError.create(t);let r=await t.json();if(!Array.isArray(r))throw new Error("Invalid Session list");return r.forEach(i=>{at.updateLegacySessionModel(i),at.validateModel(i)}),r}ae.listRunning=zc;function $n(n,e){return Si.URLExt.join(n,ae.SESSION_SERVICE_URL,e)}ae.getSessionUrl=$n;async function Yc(n,e=ge.ServerConnection.makeSettings()){var t;let r=$n(e.baseUrl,n),i={method:"DELETE"},s=await ge.ServerConnection.makeRequest(r,i,e);if(s.status===404){let a=(t=(await s.json()).message)!==null&&t!==void 0?t:`The session "${n}"" does not exist on the server`;console.warn(a)}else{if(s.status===410)throw new ge.ServerConnection.ResponseError(s,"The kernel was deleted but the session was not");if(s.status!==204)throw await ge.ServerConnection.ResponseError.create(s)}}ae.shutdownSession=Yc;async function Xc(n,e=ge.ServerConnection.makeSettings()){let t=$n(e.baseUrl,n),r=await ge.ServerConnection.makeRequest(t,{},e);if(r.status!==200)throw await ge.ServerConnection.ResponseError.create(r);let i=await r.json();return at.updateLegacySessionModel(i),at.validateModel(i),i}ae.getSessionModel=Xc;async function Qc(n,e=ge.ServerConnection.makeSettings()){let t=Si.URLExt.join(e.baseUrl,ae.SESSION_SERVICE_URL),r={method:"POST",body:JSON.stringify(n)},i=await ge.ServerConnection.makeRequest(t,r,e);if(i.status!==201)throw await ge.ServerConnection.ResponseError.create(i);let s=await i.json();return at.updateLegacySessionModel(s),at.validateModel(s),s}ae.startSession=Qc;async function Zc(n,e=ge.ServerConnection.makeSettings()){let t=$n(e.baseUrl,n.id),r={method:"PATCH",body:JSON.stringify(n)},i=await ge.ServerConnection.makeRequest(t,r,e);if(i.status!==200)throw await ge.ServerConnection.ResponseError.create(i);let s=await i.json();return at.updateLegacySessionModel(s),at.validateModel(s),s}ae.updateSession=Zc});var sa=k(Gn=>{"use strict";h();Object.defineProperty(Gn,"__esModule",{value:!0});Gn.SessionConnection=void 0;var Qe=ce(),ed=Ve(),ia=Jn(),td=Ne(),wi=class{constructor(e){var t,r,i,s;this._id="",this._path="",this._name="",this._type="",this._kernel=null,this._isDisposed=!1,this._disposed=new Qe.Signal(this),this._kernelChanged=new Qe.Signal(this),this._statusChanged=new Qe.Signal(this),this._connectionStatusChanged=new Qe.Signal(this),this._iopubMessage=new Qe.Signal(this),this._unhandledMessage=new Qe.Signal(this),this._anyMessage=new Qe.Signal(this),this._propertyChanged=new Qe.Signal(this),this._id=e.model.id,this._name=e.model.name,this._path=e.model.path,this._type=e.model.type,this._username=(t=e.username)!==null&&t!==void 0?t:"",this._clientId=(r=e.clientId)!==null&&r!==void 0?r:td.UUID.uuid4(),this._connectToKernel=e.connectToKernel,this._kernelConnectionOptions=(i=e.kernelConnectionOptions)!==null&&i!==void 0?i:{},this.serverSettings=(s=e.serverSettings)!==null&&s!==void 0?s:ed.ServerConnection.makeSettings(),this.setupKernel(e.model.kernel)}get disposed(){return this._disposed}get kernelChanged(){return this._kernelChanged}get statusChanged(){return this._statusChanged}get connectionStatusChanged(){return this._connectionStatusChanged}get iopubMessage(){return this._iopubMessage}get unhandledMessage(){return this._unhandledMessage}get anyMessage(){return this._anyMessage}get propertyChanged(){return this._propertyChanged}get id(){return this._id}get kernel(){return this._kernel}get path(){return this._path}get type(){return this._type}get name(){return this._name}get model(){return{id:this.id,kernel:this.kernel&&{id:this.kernel.id,name:this.kernel.name},path:this._path,type:this._type,name:this._name}}get isDisposed(){return this._isDisposed}update(e){let t=this.model;if(this._path=e.path,this._name=e.name,this._type=e.type,this._kernel===null&&e.kernel!==null||this._kernel!==null&&e.kernel===null||this._kernel!==null&&e.kernel!==null&&this._kernel.id!==e.kernel.id){this._kernel!==null&&this._kernel.dispose();let r=this._kernel||null;this.setupKernel(e.kernel);let i=this._kernel||null;this._kernelChanged.emit({name:"kernel",oldValue:r,newValue:i})}this._handleModelChange(t)}dispose(){if(!this.isDisposed){if(this._isDisposed=!0,this._disposed.emit(),this._kernel){this._kernel.dispose();let e=this._kernel;this._kernel=null;let t=this._kernel;this._kernelChanged.emit({name:"kernel",oldValue:e,newValue:t})}Qe.Signal.clearData(this)}}async setPath(e){if(this.isDisposed)throw new Error("Session is disposed");await this._patch({path:e})}async setName(e){if(this.isDisposed)throw new Error("Session is disposed");await this._patch({name:e})}async setType(e){if(this.isDisposed)throw new Error("Session is disposed");await this._patch({type:e})}async changeKernel(e){if(this.isDisposed)throw new Error("Session is disposed");return await this._patch({kernel:e}),this.kernel}async shutdown(){if(this.isDisposed)throw new Error("Session is disposed");await ia.shutdownSession(this.id,this.serverSettings),this.dispose()}setupKernel(e){if(e===null){this._kernel=null;return}let t=this._connectToKernel(Object.assign(Object.assign({},this._kernelConnectionOptions),{model:e,username:this._username,clientId:this._clientId,serverSettings:this.serverSettings}));this._kernel=t,t.statusChanged.connect(this.onKernelStatus,this),t.connectionStatusChanged.connect(this.onKernelConnectionStatus,this),t.unhandledMessage.connect(this.onUnhandledMessage,this),t.iopubMessage.connect(this.onIOPubMessage,this),t.anyMessage.connect(this.onAnyMessage,this)}onKernelStatus(e,t){this._statusChanged.emit(t)}onKernelConnectionStatus(e,t){this._connectionStatusChanged.emit(t)}onIOPubMessage(e,t){this._iopubMessage.emit(t)}onUnhandledMessage(e,t){this._unhandledMessage.emit(t)}onAnyMessage(e,t){this._anyMessage.emit(t)}async _patch(e){let t=await ia.updateSession(Object.assign(Object.assign({},e),{id:this._id}),this.serverSettings);return this.update(t),t}_handleModelChange(e){e.name!==this._name&&this._propertyChanged.emit("name"),e.type!==this._type&&this._propertyChanged.emit("type"),e.path!==this._path&&this._propertyChanged.emit("path")}};Gn.SessionConnection=wi});var la=k(zn=>{"use strict";h();Object.defineProperty(zn,"__esModule",{value:!0});zn.SessionManager=void 0;var oa=ct(),nd=Qt(),aa=ce(),rd=De(),id=Zt(),sd=sa(),nn=Jn(),Ii=class extends id.BaseManager{constructor(e){var t;super(e),this._isReady=!1,this._sessionConnections=new Set,this._models=new Map,this._runningChanged=new aa.Signal(this),this._connectionFailure=new aa.Signal(this),this._connectToKernel=r=>this._kernelManager.connectTo(r),this._kernelManager=e.kernelManager,this._pollModels=new nd.Poll({auto:!1,factory:()=>this.requestRunning(),frequency:{interval:10*1e3,backoff:!0,max:300*1e3},name:"@jupyterlab/services:SessionManager#models",standby:(t=e.standby)!==null&&t!==void 0?t:"when-hidden"}),this._ready=(async()=>{await this._pollModels.start(),await this._pollModels.tick,await this._kernelManager.ready,this._isReady=!0})()}get isReady(){return this._isReady}get ready(){return this._ready}get runningChanged(){return this._runningChanged}get connectionFailure(){return this._connectionFailure}dispose(){this.isDisposed||(this._models.clear(),this._sessionConnections.forEach(e=>e.dispose()),this._pollModels.dispose(),super.dispose())}connectTo(e){let t=new sd.SessionConnection(Object.assign(Object.assign({},e),{connectToKernel:this._connectToKernel,serverSettings:this.serverSettings}));return this._onStarted(t),this._models.has(e.model.id)||this.refreshRunning().catch(()=>{}),t}running(){return oa.iter([...this._models.values()])}async refreshRunning(){await this._pollModels.refresh(),await this._pollModels.tick}async startNew(e,t={}){let r=await nn.startSession(e,this.serverSettings);return await this.refreshRunning(),this.connectTo(Object.assign(Object.assign({},t),{model:r}))}async shutdown(e){await nn.shutdownSession(e,this.serverSettings),await this.refreshRunning()}async shutdownAll(){await this.refreshRunning(),await Promise.all([...this._models.keys()].map(e=>nn.shutdownSession(e,this.serverSettings))),await this.refreshRunning()}async stopIfNeeded(e){try{let r=(await nn.listRunning(this.serverSettings)).filter(i=>i.path===e);if(r.length===1){let i=r[0].id;await this.shutdown(i)}}catch(t){}}async findById(e){return this._models.has(e)?this._models.get(e):(await this.refreshRunning(),this._models.get(e))}async findByPath(e){for(let t of this._models.values())if(t.path===e)return t;await this.refreshRunning();for(let t of this._models.values())if(t.path===e)return t}async requestRunning(){var e,t;let r;try{r=await nn.listRunning(this.serverSettings)}catch(i){throw(i instanceof rd.ServerConnection.NetworkError||((e=i.response)===null||e===void 0?void 0:e.status)===503||((t=i.response)===null||t===void 0?void 0:t.status)===424)&&this._connectionFailure.emit(i),i}this.isDisposed||this._models.size===r.length&&oa.every(r,i=>{var s,o,a,l;let u=this._models.get(i.id);return u?((s=u.kernel)===null||s===void 0?void 0:s.id)===((o=i.kernel)===null||o===void 0?void 0:o.id)&&((a=u.kernel)===null||a===void 0?void 0:a.name)===((l=i.kernel)===null||l===void 0?void 0:l.name)&&u.name===i.name&&u.path===i.path&&u.type===i.type:!1})||(this._models=new Map(r.map(i=>[i.id,i])),this._sessionConnections.forEach(i=>{this._models.has(i.id)?i.update(this._models.get(i.id)):i.dispose()}),this._runningChanged.emit(r))}_onStarted(e){this._sessionConnections.add(e),e.disposed.connect(this._onDisposed,this),e.propertyChanged.connect(this._onChanged,this),e.kernelChanged.connect(this._onChanged,this)}_onDisposed(e){this._sessionConnections.delete(e),this.refreshRunning().catch(()=>{})}_onChanged(){this.refreshRunning().catch(()=>{})}};zn.SessionManager=Ii});var Ci=k(ve=>{"use strict";h();var ua=ve&&ve.__createBinding||(Object.create?function(n,e,t,r){r===void 0&&(r=t),Object.defineProperty(n,r,{enumerable:!0,get:function(){return e[t]}})}:function(n,e,t,r){r===void 0&&(r=t),n[r]=e[t]}),od=ve&&ve.__setModuleDefault||(Object.create?function(n,e){Object.defineProperty(n,"default",{enumerable:!0,value:e})}:function(n,e){n.default=e}),ca=ve&&ve.__importStar||function(n){if(n&&n.__esModule)return n;var e={};if(n!=null)for(var t in n)t!=="default"&&Object.prototype.hasOwnProperty.call(n,t)&&ua(e,n,t);return od(e,n),e},ad=ve&&ve.__exportStar||function(n,e){for(var t in n)t!=="default"&&!Object.prototype.hasOwnProperty.call(e,t)&&ua(e,n,t)};Object.defineProperty(ve,"__esModule",{value:!0});ve.SessionAPI=ve.Session=void 0;var ld=ca(ta());ve.Session=ld;var ud=ca(Jn());ve.SessionAPI=ud;ad(la(),ve)});var da=k(Yn=>{"use strict";h();Object.defineProperty(Yn,"__esModule",{value:!0});Yn.DataConnector=void 0;var Ri=class{async list(e){throw new Error("DataConnector#list method has not been implemented.")}async remove(e){throw new Error("DataConnector#remove method has not been implemented.")}async save(e,t){throw new Error("DataConnector#save method has not been implemented.")}};Yn.DataConnector=Ri});var fa=k(ha=>{"use strict";h();Object.defineProperty(ha,"__esModule",{value:!0})});var ga=k(Qn=>{"use strict";h();Object.defineProperty(Qn,"__esModule",{value:!0});Qn.RestorablePool=void 0;var cd=Ne(),pa=xr(),Xn=ce(),Ai=class{constructor(e){this._added=new Xn.Signal(this),this._current=null,this._currentChanged=new Xn.Signal(this),this._hasRestored=!1,this._isDisposed=!1,this._objects=new Set,this._restore=null,this._restored=new cd.PromiseDelegate,this._updated=new Xn.Signal(this),this.namespace=e.namespace}get added(){return this._added}get current(){return this._current}set current(e){this._current!==e&&e!==null&&this._objects.has(e)&&(this._current=e,this._currentChanged.emit(this._current))}get currentChanged(){return this._currentChanged}get isDisposed(){return this._isDisposed}get restored(){return this._restored.promise}get size(){return this._objects.size}get updated(){return this._updated}async add(e){var t,r;if(e.isDisposed){let i="A disposed object cannot be added.";throw console.warn(i,e),new Error(i)}if(this._objects.has(e)){let i="This object already exists in the pool.";throw console.warn(i,e),new Error(i)}if(this._objects.add(e),e.disposed.connect(this._onInstanceDisposed,this),!Ge.injectedProperty.get(e)){if(this._restore){let{connector:i}=this._restore,s=this._restore.name(e);if(s){let o=`${this.namespace}:${s}`,a=(r=(t=this._restore).args)===null||r===void 0?void 0:r.call(t,e);Ge.nameProperty.set(e,o),await i.save(o,{data:a})}}this._added.emit(e)}}dispose(){this.isDisposed||(this._current=null,this._isDisposed=!0,this._objects.clear(),Xn.Signal.clearData(this))}find(e){let t=this._objects.values();for(let r of t)if(e(r))return r}forEach(e){this._objects.forEach(e)}filter(e){let t=[];return this.forEach(r=>{e(r)&&t.push(r)}),t}inject(e){return Ge.injectedProperty.set(e,!0),this.add(e)}has(e){return this._objects.has(e)}async restore(e){if(this._hasRestored)throw new Error("This pool has already been restored.");this._hasRestored=!0;let{command:t,connector:r,registry:i,when:s}=e,o=this.namespace,a=s?[r.list(o)].concat(s):[r.list(o)];this._restore=e;let[l]=await Promise.all(a),u=await Promise.all(l.ids.map(async(f,c)=>{let C=l.values[c],M=C&&C.data;return M===void 0?r.remove(f):i.execute(t,M).catch(()=>r.remove(f))}));return this._restored.resolve(),u}async save(e){var t,r;let i=Ge.injectedProperty.get(e);if(!this._restore||!this.has(e)||i)return;let{connector:s}=this._restore,o=this._restore.name(e),a=Ge.nameProperty.get(e),l=o?`${this.namespace}:${o}`:"";if(a&&a!==l&&await s.remove(a),Ge.nameProperty.set(e,l),l){let u=(r=(t=this._restore).args)===null||r===void 0?void 0:r.call(t,e);await s.save(l,{data:u})}a!==l&&this._updated.emit(e)}_onInstanceDisposed(e){if(this._objects.delete(e),e===this._current&&(this._current=null,this._currentChanged.emit(this._current)),Ge.injectedProperty.get(e)||!this._restore)return;let{connector:t}=this._restore,r=Ge.nameProperty.get(e);r&&t.remove(r)}};Qn.RestorablePool=Ai;var Ge;(function(n){n.injectedProperty=new pa.AttachedProperty({name:"injected",create:()=>!1}),n.nameProperty=new pa.AttachedProperty({name:"name",create:()=>""})})(Ge||(Ge={}))});var _a=k(Ot=>{"use strict";h();Object.defineProperty(Ot,"__esModule",{value:!0});Ot.StateDB=void 0;var dd=ce(),Zn=class n{constructor(e={}){this._changed=new dd.Signal(this);let{connector:t,transform:r}=e;this._connector=t||new n.Connector,r?this._ready=r.then(i=>{let{contents:s,type:o}=i;switch(o){case"cancel":return;case"clear":return this._clear();case"merge":return this._merge(s||{});case"overwrite":return this._overwrite(s||{});default:return}}):this._ready=Promise.resolve(void 0)}get changed(){return this._changed}async clear(){await this._ready,await this._clear()}async fetch(e){return await this._ready,this._fetch(e)}async list(e){return await this._ready,this._list(e)}async remove(e){await this._ready,await this._remove(e),this._changed.emit({id:e,type:"remove"})}async save(e,t){await this._ready,await this._save(e,t),this._changed.emit({id:e,type:"save"})}async toJSON(){await this._ready;let{ids:e,values:t}=await this._list();return t.reduce((r,i,s)=>(r[e[s]]=i,r),{})}async _clear(){await Promise.all((await this._list()).ids.map(e=>this._remove(e)))}async _fetch(e){let t=await this._connector.fetch(e);if(t)return JSON.parse(t).v}async _list(e=""){let{ids:t,values:r}=await this._connector.list(e);return{ids:t,values:r.map(i=>JSON.parse(i).v)}}async _merge(e){await Promise.all(Object.keys(e).map(t=>e[t]&&this._save(t,e[t])))}async _overwrite(e){await this._clear(),await this._merge(e)}async _remove(e){return this._connector.remove(e)}async _save(e,t){return this._connector.save(e,JSON.stringify({v:t}))}};Ot.StateDB=Zn;(function(n){class e{constructor(){this._storage={}}async fetch(r){return this._storage[r]}async list(r=""){return Object.keys(this._storage).reduce((i,s)=>((r===""||r===s.split(":")[0])&&(i.ids.push(s),i.values.push(this._storage[s])),i),{ids:[],values:[]})}async remove(r){delete this._storage[r]}async save(r,i){this._storage[r]=i}}n.Connector=e})(Zn=Ot.StateDB||(Ot.StateDB={}))});var ma=k(er=>{"use strict";h();Object.defineProperty(er,"__esModule",{value:!0});er.IStateDB=void 0;var hd=Ne();er.IStateDB=new hd.Token("@jupyterlab/coreutils:IStateDB")});var Di=k(ke=>{"use strict";h();var fd=ke&&ke.__createBinding||(Object.create?function(n,e,t,r){r===void 0&&(r=t),Object.defineProperty(n,r,{enumerable:!0,get:function(){return e[t]}})}:function(n,e,t,r){r===void 0&&(r=t),n[r]=e[t]}),rn=ke&&ke.__exportStar||function(n,e){for(var t in 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f.json(),C=(t=(e=c==null?void 0:c.settings)===null||e===void 0?void 0:e.map(S=>(S.data={composite:{},user:{}},S)))!==null&&t!==void 0?t:[];return{ids:C.map(S=>S.id),values:C}}async save(e,t){let{serverSettings:r}=this,{baseUrl:i,appUrl:s}=r,{makeRequest:o,ResponseError:a}=tr.ServerConnection,l=i+s,u=sn.url(l,e),f={body:JSON.stringify({raw:t}),method:"PUT"},c=await o(u,f,r);if(c.status!==204)throw new a(c)}};nr.SettingManager=Pi;var sn;(function(n){function e(t,r){return pd.URLExt.join(t,_d,r)}n.url=e})(sn||(sn={}))});var an=k(ye=>{"use strict";h();Object.defineProperty(ye,"__esModule",{value:!0});ye.shutdownTerminal=ye.listRunning=ye.startNew=ye.isAvailable=ye.TERMINAL_SERVICE_URL=void 0;var rr=Ie(),Ze=De();ye.TERMINAL_SERVICE_URL="api/terminals";function va(){return String(rr.PageConfig.getOption("terminalsAvailable")).toLowerCase()==="true"}ye.isAvailable=va;async function md(n=Ze.ServerConnection.makeSettings()){on.errorIfNotAvailable();let e=rr.URLExt.join(n.baseUrl,ye.TERMINAL_SERVICE_URL),t={method:"POST"},r=await Ze.ServerConnection.makeRequest(e,t,n);if(r.status!==200)throw await Ze.ServerConnection.ResponseError.create(r);return await r.json()}ye.startNew=md;async function vd(n=Ze.ServerConnection.makeSettings()){on.errorIfNotAvailable();let e=rr.URLExt.join(n.baseUrl,ye.TERMINAL_SERVICE_URL),t=await Ze.ServerConnection.makeRequest(e,{},n);if(t.status!==200)throw await Ze.ServerConnection.ResponseError.create(t);let r=await t.json();if(!Array.isArray(r))throw new Error("Invalid terminal list");return r}ye.listRunning=vd;async function yd(n,e=Ze.ServerConnection.makeSettings()){var t;on.errorIfNotAvailable();let r=rr.URLExt.join(e.baseUrl,ye.TERMINAL_SERVICE_URL,n),i={method:"DELETE"},s=await Ze.ServerConnection.makeRequest(r,i,e);if(s.status===404){let a=(t=(await s.json()).message)!==null&&t!==void 0?t:`The terminal session "${n}"" does not exist on the server`;console.warn(a)}else if(s.status!==204)throw await Ze.ServerConnection.ResponseError.create(s)}ye.shutdownTerminal=yd;var on;(function(n){function e(){if(!va())throw new Error("Terminals Unavailable")}n.errorIfNotAvailable=e})(on||(on={}))});var ya=k(ir=>{"use strict";h();Object.defineProperty(ir,"__esModule",{value:!0});ir.isAvailable=void 0;var Ed=an();Object.defineProperty(ir,"isAvailable",{enumerable:!0,get:function(){return Ed.isAvailable}})});var Sa=k(or=>{"use strict";h();Object.defineProperty(or,"__esModule",{value:!0});or.TerminalConnection=void 0;var Ea=Ie(),bd=Ne(),sr=ce(),Sd=Ve(),ba=an(),Ti=class n{constructor(e){var t;this._createSocket=()=>{this._errorIfDisposed(),this._clearSocket(),this._updateConnectionStatus("connecting");let r=this._name,i=this.serverSettings,s=Ea.URLExt.join(i.wsUrl,"terminals","websocket",encodeURIComponent(r)),o=i.token;i.appendToken&&o!==""&&(s=s+`?token=${encodeURIComponent(o)}`),this._ws=new i.WebSocket(s),this._ws.onmessage=this._onWSMessage,this._ws.onclose=this._onWSClose,this._ws.onerror=this._onWSClose},this._onWSMessage=r=>{if(this._isDisposed)return;let i=JSON.parse(r.data);if(i[0]==="disconnect"&&this.dispose(),this._connectionStatus==="connecting"){i[0]==="setup"&&this._updateConnectionStatus("connected");return}this._messageReceived.emit({type:i[0],content:i.slice(1)})},this._onWSClose=r=>{console.warn(`Terminal websocket closed: ${r.code}`),this.isDisposed||this._reconnect()},this._connectionStatus="connecting",this._connectionStatusChanged=new sr.Signal(this),this._isDisposed=!1,this._disposed=new sr.Signal(this),this._messageReceived=new sr.Signal(this),this._reconnectTimeout=null,this._ws=null,this._noOp=()=>{},this._reconnectLimit=7,this._reconnectAttempt=0,this._pendingMessages=[],this._name=e.model.name,this.serverSettings=(t=e.serverSettings)!==null&&t!==void 0?t:Sd.ServerConnection.makeSettings(),this._createSocket()}get disposed(){return this._disposed}get messageReceived(){return this._messageReceived}get name(){return this._name}get model(){return{name:this._name}}get isDisposed(){return this._isDisposed}dispose(){this._isDisposed||(this._isDisposed=!0,this._disposed.emit(),this._updateConnectionStatus("disconnected"),this._clearSocket(),sr.Signal.clearData(this))}send(e){this._sendMessage(e)}_sendMessage(e,t=!0){if(!(this._isDisposed||!e.content))if(this.connectionStatus==="connected"&&this._ws){let r=[e.type,...e.content];this._ws.send(JSON.stringify(r))}else if(t)this._pendingMessages.push(e);else throw new Error(`Could not send message: ${JSON.stringify(e)}`)}_sendPending(){for(;this.connectionStatus==="connected"&&this._pendingMessages.length>0;)this._sendMessage(this._pendingMessages[0],!1),this._pendingMessages.shift()}reconnect(){this._errorIfDisposed();let e=new bd.PromiseDelegate,t=(r,i)=>{i==="connected"?(e.resolve(),this.connectionStatusChanged.disconnect(t,this)):i==="disconnected"&&(e.reject(new Error("Terminal connection disconnected")),this.connectionStatusChanged.disconnect(t,this))};return this.connectionStatusChanged.connect(t,this),this._reconnectAttempt=0,this._reconnect(),e.promise}_reconnect(){if(this._errorIfDisposed(),clearTimeout(this._reconnectTimeout),this._reconnectAttempt<this._reconnectLimit){this._updateConnectionStatus("connecting");let e=Oi.getRandomIntInclusive(0,1e3*(Math.pow(2,this._reconnectAttempt)-1));console.error(`Connection lost, reconnecting in ${Math.floor(e/1e3)} seconds.`),this._reconnectTimeout=setTimeout(this._createSocket,e),this._reconnectAttempt+=1}else this._updateConnectionStatus("disconnected");this._clearSocket()}_clearSocket(){this._ws!==null&&(this._ws.onopen=this._noOp,this._ws.onclose=this._noOp,this._ws.onerror=this._noOp,this._ws.onmessage=this._noOp,this._ws.close(),this._ws=null)}async shutdown(){await ba.shutdownTerminal(this.name,this.serverSettings),this.dispose()}clone(){return new n(this)}_updateConnectionStatus(e){this._connectionStatus!==e&&(this._connectionStatus=e,e!=="connecting"&&(this._reconnectAttempt=0,clearTimeout(this._reconnectTimeout)),e==="connected"&&this._sendPending(),this._connectionStatusChanged.emit(e))}_errorIfDisposed(){if(this.isDisposed)throw new Error("Terminal connection is disposed")}get connectionStatusChanged(){return this._connectionStatusChanged}get connectionStatus(){return this._connectionStatus}};or.TerminalConnection=Ti;var Oi;(function(n){function e(r,i){return Ea.URLExt.join(r,ba.TERMINAL_SERVICE_URL,encodeURIComponent(i))}n.getTermUrl=e;function t(r,i){return r=Math.ceil(r),i=Math.floor(i),Math.floor(Math.random()*(i-r+1))+r}n.getRandomIntInclusive=t})(Oi||(Oi={}))});var Ia=k(ar=>{"use strict";h();Object.defineProperty(ar,"__esModule",{value:!0});ar.TerminalManager=void 0;var wd=ct(),Id=Qt(),wa=ce(),Cd=Ve(),Rd=Zt(),ln=an(),Ad=Sa(),Ni=class extends Rd.BaseManager{constructor(e={}){var t;if(super(e),this._isReady=!1,this._names=[],this._terminalConnections=new Set,this._runningChanged=new wa.Signal(this),this._connectionFailure=new wa.Signal(this),!this.isAvailable()){this._ready=Promise.reject("Terminals unavailable"),this._ready.catch(r=>{});return}this._pollModels=new Id.Poll({auto:!1,factory:()=>this.requestRunning(),frequency:{interval:10*1e3,backoff:!0,max:300*1e3},name:"@jupyterlab/services:TerminalManager#models",standby:(t=e.standby)!==null&&t!==void 0?t:"when-hidden"}),this._ready=(async()=>{await this._pollModels.start(),await this._pollModels.tick,this._isReady=!0})()}get isReady(){return this._isReady}get ready(){return this._ready}get runningChanged(){return this._runningChanged}get connectionFailure(){return this._connectionFailure}dispose(){this.isDisposed||(this._names.length=0,this._terminalConnections.forEach(e=>e.dispose()),this._pollModels.dispose(),super.dispose())}isAvailable(){return ln.isAvailable()}connectTo(e){let t=new Ad.TerminalConnection(Object.assign(Object.assign({},e),{serverSettings:this.serverSettings}));return this._onStarted(t),this._names.includes(e.model.name)||this.refreshRunning().catch(()=>{}),t}running(){return wd.iter(this._models)}async refreshRunning(){await this._pollModels.refresh(),await this._pollModels.tick}async startNew(){let e=await ln.startNew(this.serverSettings);return await this.refreshRunning(),this.connectTo({model:e})}async shutdown(e){await ln.shutdownTerminal(e,this.serverSettings),await this.refreshRunning()}async shutdownAll(){await this.refreshRunning(),await Promise.all(this._names.map(e=>ln.shutdownTerminal(e,this.serverSettings))),await this.refreshRunning()}async requestRunning(){var e,t;let r;try{r=await ln.listRunning(this.serverSettings)}catch(s){throw(s instanceof Cd.ServerConnection.NetworkError||((e=s.response)===null||e===void 0?void 0:e.status)===503||((t=s.response)===null||t===void 0?void 0:t.status)===424)&&this._connectionFailure.emit(s),s}if(this.isDisposed)return;let i=r.map(({name:s})=>s).sort();i!==this._names&&(this._names=i,this._terminalConnections.forEach(s=>{i.includes(s.name)||s.dispose()}),this._runningChanged.emit(this._models))}_onStarted(e){this._terminalConnections.add(e),e.disposed.connect(this._onDisposed,this)}_onDisposed(e){this._terminalConnections.delete(e),this.refreshRunning().catch(()=>{})}get _models(){return this._names.map(e=>({name:e}))}};ar.TerminalManager=Ni});var Li=k(Ee=>{"use strict";h();var Ca=Ee&&Ee.__createBinding||(Object.create?function(n,e,t,r){r===void 0&&(r=t),Object.defineProperty(n,r,{enumerable:!0,get:function(){return e[t]}})}:function(n,e,t,r){r===void 0&&(r=t),n[r]=e[t]}),Dd=Ee&&Ee.__setModuleDefault||(Object.create?function(n,e){Object.defineProperty(n,"default",{enumerable:!0,value:e})}:function(n,e){n.default=e}),Ra=Ee&&Ee.__importStar||function(n){if(n&&n.__esModule)return n;var e={};if(n!=null)for(var t in 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r=Fe(),i=this.generateExtensionResponseKey(e,"IPyWidgets_RegisterMessageHook".toString());this.awaitingExtensionMessage.set(i,r),this.postOffice.sendMessage("IPyWidgets_RegisterMessageHook",e),this.messageHooks.set(e,t),this.realKernel.registerMessageHook(e,this.messageHook)}removeMessageHook(e,t){let r=Fe(),i=this.generateExtensionResponseKey(e,"IPyWidgets_RemoveMessageHook".toString());this.awaitingExtensionMessage.set(i,r),this.postOffice.sendMessage("IPyWidgets_RemoveMessageHook",{hookMsgId:e,lastHookedMsgId:this.lastHookedMessageId}),this.messageHooks.delete(e),this.lastHookedMessageId=void 0,this.realKernel.removeMessageHook(e,this.messageHook)}extensionOperationFinished(e){let t=`${e.id}${e.type}`,r=this.awaitingExtensionMessage.get(t);r&&(r.resolve(),this.awaitingExtensionMessage.delete(t))}sendResponse(e){this.postOffice.sendMessage("IPyWidgets_msg_received",{id:e})}generateExtensionResponseKey(e,t){return`${e}${t}`}fakeOpenSocket(){let 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r(){let i=Lt.instance;if(i){let s=i.dispose.bind(i);i.dispose=()=>(gn=void 0,s()),t&&(t(i),t=void 0),gn=Promise.resolve(i)}}r(),Lt.onDidChangeInstance(r)};var n=e;gn=new Promise(t=>e(t))}return gn}async function zh(n,e){try{let t=await Rl();return await(t==null?void 0:t.renderWidget(n,e))}catch(t){Ue(`Error: Failed to render widget ${n.model_id}, ${t.toString()}`)}}async function Yh(n){await new Promise(e=>{let t=()=>{if(window.vscIPyWidgets)return e();setTimeout(t,1e3)};setTimeout(t,1e3)});try{Dl(n);let e=await Rl(),t={metadata:{get:r=>n}};return await(e==null?void 0:e.restoreWidgets(t,{loadKernel:!1,loadNotebook:!0}))}catch(e){Ue(`Error: Failed to render widget state ${n}, ${e.toString()}`)}}var Il=!1;function Xh(n,e,t){if(Il){Ue("Error: WidgetManager already initialized");return}try{let r=new yn(e),i=new ps(r,n,t);window._mgr=i,Il=!0}catch(r){Ue(`Error: Exception initializing WidgetManager, ${r.toString()}`)}}var gs;window.ipywidgetsKernel={renderOutput:$h,disposeOutput:Jh,restoreWidgets:Yh,initialize:()=>{Al(gs)}};function Al(n){n.postKernelMessage({type:"IPyWidgets_Request_Widget_Version"})}function Dl(n){z("IPyWidget kernel initializing...");let e=window.vscIPyWidgets.WidgetManager;if(!e)throw new Error("JupyterLabWidgetManager not defined. Please include/check ipywidgets.js file");Xh(e,gs,n)}var Cl=!1;function gm(n){gs=n,Qh(n),z(`Attempt Initialize IpyWidgets kernel.js : ${JSON.stringify(n)}`),n.onDidReceiveKernelMessage(async e=>{if(typeof e=="object"&&e&&"type"in e&&e.type==="IPyWidgets_Reply_Widget_Version"&&"payload"in e&&typeof e.payload=="number"){if(Cl)return;Cl=!0;try{let t=e.payload;z(`Loading IPyWidget Version ${t}`);let r=new Promise(a=>{let l=()=>{if(window.vscIPyWidgets7)return a();setTimeout(l,500)};setTimeout(l,500)}),i=new Promise(a=>{let l=()=>{if(window.vscIPyWidgets8)return a();setTimeout(l,500)};setTimeout(l,500)});await Promise.all([r,i]),t===7?((()=>{try{window.vscIPyWidgets8.unload()}catch(a){}})(),window.vscIPyWidgets7.load(),z("Loaded IPYWidgets 7.x from Kernel")):t===8&&((()=>{try{window.vscIPyWidgets7.unload()}catch(a){}})(),window.vscIPyWidgets8.load(),z("Loaded IPYWidgets 8.x from Kernel")),Dl()}catch(t){Ue(`Failed to load IPyWidget Version ${e.payload}, ${t}`)}}}),Al(n)}function Qh(n){n.postKernelMessage&&(window.alert=e=>{var t;throw console.log("window.alert",e),(t=n.postKernelMessage)==null||t.call(n,{type:"IPyWidgets_Window_Alert",message:e.toString()}),new Error("window.alert not supported in VS Code Renderers")},window.open=e=>{var t;if(console.log("window.open",e),e)throw(t=n.postKernelMessage)==null||t.call(n,{type:"IPyWidgets_Window_Open",url:e.toString()}),new Error("window.open not supported in VS Code Renderers");return null})}export{gm as activate,Jh as disposeOutput,$h as renderOutput};
/*! Bundled license information:

@lumino/polling/dist/index.js:
  (*! *****************************************************************************
      Copyright (c) Microsoft Corporation.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose with or without fee is hereby granted.
  
      THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
      REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
      AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
      INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
      OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      PERFORMANCE OF THIS SOFTWARE.
      ***************************************************************************** *)

@lumino/disposable/dist/index.js:
  (*! *****************************************************************************
      Copyright (c) Microsoft Corporation.
  
      Permission to use, copy, modify, and/or distribute this software for any
      purpose with or without fee is hereby granted.
  
      THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
      REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
      AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
      INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
      OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      PERFORMANCE OF THIS SOFTWARE.
      ***************************************************************************** *)
*/