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1044 lines (988 loc) · 48.9 KB
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/*
* Project Name : Visual Python
* Description : GUI-based Python code generator
* File Name : com_Kernel.js
* Author : Black Logic
* Note : Interface between vp and jupyter
* License : GNU GPLv3 with Visual Python special exception
* Date : 2021. 09. 16
* Change Date :
*/
//============================================================================
// [CLASS] Kernel
//============================================================================
define([
'./com_util',
'./com_String'
], function(com_util, com_String) {
/**
* Kernel interface class
*/
class Kernel {
/** constructor */
constructor(app=null) {
this.app = app; // LAB: app needed for kernel
this.data = [
{ varName: 'df1', varType: 'DataFrame' },
{ varName: 'df2', varType: 'DataFrame' },
{ varName: 'df3', varType: 'DataFrame' },
{ varName: 's1', varType: 'Series' },
{ varName: 's2', varType: 'Series' },
{ varName: 's3', varType: 'Series' },
{ varName: 'l1', varType: 'List' },
{ varName: 'l2', varType: 'List' },
{ varName: 'l3', varType: 'List' }
]
this.config = {
'vpcfg': {
},
'vpudf': {
},
'vpimport': {
}
}
}
getNotebookPath() {
if (vpConfig.extensionType === 'notebook') {
return Jupyter.notebook.notebook_path;
} else if (vpConfig.extensionType === 'colab') {
return colab.global.notebookModel.metadata.colab.name;
}
return '';
}
//====================================================================
// Executing command api
//====================================================================
execute(command, isSilent = false) {
let that = this;
return new Promise(function(resolve, reject) {
if (vpConfig.extensionType === 'notebook') {
Jupyter.notebook.kernel.execute(
command,
{
iopub: {
output: function (msg) {
var result = '';
var type = '';
if (msg.msg_type == 'error') {
reject({result: msg.content, type: 'error', msg: msg});
} else {
if (msg.content) {
try {
if (msg.content['name'] == 'stderr') {
reject(msg);
} else {
if (msg.content.data) {
if (msg.content.data['text/html']) {
result = String(msg.content.data['text/html']);
type = 'text/html';
} else if (msg.content.data['image/png']) {
result = String(msg.content.data['image/png']);
type = 'image/png';
} else if (msg.content.data['text/plain']) {
result = String(msg.content.data['text/plain']);
type = 'text/plain';
}
} else if (msg.content['text']) {
result = String(msg.content['text']);
type = 'text';
}
resolve({result: result, type: type, msg: msg});
}
} catch(ex) {
reject(ex);
}
} else {
resolve({result: result, type: type, msg: msg});
}
}
}
}
},
{ silent: isSilent }
);
} else if (vpConfig.extensionType === 'colab') {
// CHROME: TODO: 3: return background execution
if (isSilent) {
if (!colab.global.notebook.kernel.isConnected()) {
reject({status: 'error', ename: 'Kernel Error', evalue: 'Kernel is not connected...'});
return;
}
if (!colab.global.notebook.kernel.isRunning()) {
reject({status: 'error', ename: 'Kernel Error', evalue: 'Kernel is not running...'});
return;
}
colab.global.notebook.kernel.execute(command).then(function(msg) {
if (msg.status === 'ok') {
resolve(true);
} else {
reject(msg);
}
}).catch(function(msg) {
reject(msg);
});
return;
}
// get focused index
let lastFocusedCellId = '';
let lastFocusedCellIdx = 0;
try {
// get focused cell id
lastFocusedCellId = colab.global.notebook.focusedCell? colab.global.notebook.focusedCell.getId() : null;
// get focused cell index
lastFocusedCellIdx = colab.global.notebook.cells.findIndex(cell => cell.getId() === lastFocusedCellId);
} catch (err) {
vpLog.display(VP_LOG_TYPE.ERROR, err);
}
// create cell to execute
colab.global.notebook.insertCell('code', {after:true, index:lastFocusedCellIdx});
// get cell
let cell = colab.global.notebook.focusedCell;
// hide cell using class
// cell.element_.style.display = "none";
$(cell.element_).addClass('vp-background-cell');
// set cell command
cell.setText(command);
// add execution complete listener
cell.model.listenOnce('execution_completed', function() {
let result = '';
let type = '';
let msg = {
content: {
name: type
}
};
let cellJson = cell.model.toJson();
if (cellJson.outputs.length > 0) {
// {output_type: 'stream', name: 'stdout', text: Array(1)}
/**
* {
* output_type: stream/execute_result/display_data/error
* name: stdout,
* // if output_type==stream
* text: [ ... ]
* // if output_type==execute_result/display_data
* data: {
* 'image/png': '...'
* 'text/html': '...'
* 'text/plain': '...'
* }
* // if output_type==error
* ename: 'NameError/...'
* evalue: 'ignored/...'
* }
*/
cellJson.outputs.forEach(output => {
vpLog.display(VP_LOG_TYPE.DEVELOP, 'kernel output', cellJson.outputs);
try {
if (output.output_type === 'error') {
// convert traceback as evalue
let simpleEvalue = '';
let convertedEvalue = '';
if (output.traceback.length > 0) {
let traceback = output.traceback.join('\n');
convertedEvalue = traceback.replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
simpleEvalue = output.traceback[output.traceback.length - 1].replace(/[\u001b\u009b][[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-ORZcf-nqry=><]/g, '');
}
reject({result: output, type: 'error', msg: { content: { ename: output.ename, evalue: simpleEvalue, detail: convertedEvalue } }});
} else {
if (output.output_type === 'stream') {
result = String(output.text.join('\n'));
type = 'text';
msg = {
content: {
name: type,
[type]: result
}
};
} else if (output.output_type === 'execute_result' || output.output_type === 'display_data') {
if (output.data['image/png']) {
result = String(output.data['image/png']);
type = 'image/png';
} else if (output.data['text/html']) {
result = String(output.data['text/html'].join(''));
type = 'text/html';
} else if (output.data['text/plain']) {
result = String(output.data['text/plain'].join(''));
type = 'text/plain';
}
msg = {
content: {
name: type,
data: {
[type]: result
}
}
};
}
resolve({result: result, type: type, msg: msg});
}
} catch(ex) {
reject(ex);
}
});
}
// delete cell
colab.global.notebook.notebookModel.deleteCells([cell.model]);
// set last focused cell
// colab.global.notebook.focusCell(lastFocusedCellId);
})
// run cell
cell.runButton.click();
// set last focused cell
colab.global.notebook.focusCell(lastFocusedCellId);
} else if (vpConfig.extensionType === 'lab') {
// LAB:
// { code, stdin, stop_on_error, silent, ... }
var codeObj = {
code: command,
silent: isSilent,
stop_on_error: true
}
var kernelConnection = that.getLabKernel();
if (kernelConnection) {
var future = kernelConnection.requestExecute(codeObj);
var onIOPub = function(msg) {
const msgType = msg.header.msg_type;
switch(msgType) {
case 'status':
return;
case 'execute_input':
return;
case 'stream':
var content = msg.content;
var type = content.name;
switch(type){
case 'stdout':
var message = content.text;
resolve({
result: message,
type: 'text',
msg: {
content: {
name: 'text',
data: {
'text': message
}
}
}
});
break;
case 'stderr':
var message = content.text;
reject({status: 'stderr', ename: 'stderr', evalue: message});
break;
default:
var message = '[jupyterLabTerminal]: Unknown stream type ' + type;
reject({status: 'error', ename: 'Unknown stream type', evalue: message});
}
break;
case 'error':
// check if it has a problem on restarting vp inner function
// ex) "name '_vp_print' is not defined"
if (msg.content.ename === 'NameError'
&& msg.content.evalue.includes('_vp_')
&& msg.content.evalue.includes('is not defined')) {
// restart vp
vpConfig.readKernelFunction().then(function() {
// re-try executing code
vpLog.display(VP_LOG_TYPE.LOG, 'Re-try executing code after restarting vp...');
var future2 = kernelConnection.requestExecute(codeObj);
future2.onIOPub = onIOPub;
}).catch(function(err) {
reject({status: 'error', ename: msg.content.ename, evalue: msg.content.evalue});
});
} else {
reject({status: 'error', ename: msg.content.ename, evalue: msg.content.evalue});
}
break;
case 'execute_result':
var type = 'text';
if (msg.content) {
try {
if (msg.content['text']) {
result = String(msg.content['text']);
type = 'text';
} else if (msg.content.data) {
if (msg.content.data['image/png']) {
result = String(msg.content.data['image/png']);
type = 'image/png';
} else if (msg.content.data['text/html']) {
result = String(msg.content.data['text/html']);
type = 'text/html';
} else if (msg.content.data['text/plain']) {
result = String(msg.content.data['text/plain']);
type = 'text/plain';
}
}
resolve({result: result, type: type, msg: msg});
} catch(ex) {
reject(ex);
}
} else {
resolve({result: result, type: type, msg: msg});
}
break;
case 'display_data':
var type = 'text';
if (msg.content) {
try {
if (msg.content['text']) {
result = String(msg.content['text']);
type = 'text';
} else if (msg.content.data) {
if (msg.content.data['image/png']) {
result = String(msg.content.data['image/png']);
type = 'image/png';
} else if (msg.content.data['text/html']) {
result = String(msg.content.data['text/html']);
type = 'text/html';
} else if (msg.content.data['text/plain']) {
result = String(msg.content.data['text/plain']);
type = 'text/plain';
}
}
resolve({result: result, type: type, msg: msg});
} catch(ex) {
reject(ex);
}
} else {
resolve({result: result, type: type, msg: msg});
}
break;
case 'update_display_data':
var result = msg.content;
resolve({
result: result,
type: msgType,
msg: {
content: {
name: msgType,
data: {
[msgType]: result
}
}
}
});
break;
default:
var message = '[jupyterLabTerminal]: Unknown message type ' + msgType;
reject({status: 'error', ename: 'Unknown message type', evalue: message});
};
return;
}
future.onIOPub = onIOPub;
// future.onIOPub = (msg) => {
// const msgType = msg.header.msg_type;
// switch(msgType) {
// case 'status':
// // if(!isExpectingOutput){
// // if(msg.content.execution_state === 'idle'){
// // resolve();
// // }
// // }
// return;
// case 'execute_input':
// // var content = msg.content;
// // resolve({
// // result: content,
// // type: type,
// // msg: {
// // content: {
// // name: type,
// // data: {
// // [type]: content
// // }
// // }
// // }
// // });
// return;
// case 'stream':
// var content = msg.content;
// var type = content.name;
// switch(type){
// case 'stdout':
// var message = content.text;
// resolve({
// result: message,
// type: type,
// msg: {
// content: {
// name: type,
// data: {
// [type]: message
// }
// }
// }
// });
// break;
// case 'stderr':
// var message = content.text;
// reject({status: 'stderr', ename: 'stderr', evalue: message});
// break;
// default:
// var message = '[jupyterLabTerminal]: Unknown stream type ' + type;
// reject({status: 'error', ename: 'Unknown stream type', evalue: message});
// }
// break;
// case 'error':
// //stderr does not yield output for all errors
// // var message = msg.content.ename + '\n' + msg.content.evalue;
// // check if it has a problem on restarting vp inner function
// // ex) "name '_vp_print' is not defined"
// if (msg.content.ename === 'NameError'
// && msg.content.evalue.includes('_vp_')
// && msg.content.evalue.includes('is not defined')) {
// // restart vp
// vpConfig.readKernelFunction();
// }
// reject({status: 'error', ename: msg.content.ename, evalue: msg.content.evalue});
// break;
// case 'execute_result':
// var type = 'text';
// if (msg.content) {
// try {
// if (msg.content['text']) {
// result = String(msg.content['text']);
// type = 'text';
// } else if (msg.content.data) {
// if (msg.content.data['image/png']) {
// result = String(msg.content.data['image/png']);
// type = 'image/png';
// } else if (msg.content.data['text/plain']) {
// result = String(msg.content.data['text/plain']);
// type = 'text/plain';
// } else if (msg.content.data['text/html']) {
// result = String(msg.content.data['text/html']);
// type = 'text/html';
// }
// }
// resolve({result: result, type: type, msg: msg});
// } catch(ex) {
// reject(ex);
// }
// } else {
// resolve({result: result, type: type, msg: msg});
// }
// break;
// case 'display_data':
// var type = 'text';
// if (msg.content) {
// try {
// if (msg.content['text']) {
// result = String(msg.content['text']);
// type = 'text';
// } else if (msg.content.data) {
// if (msg.content.data['image/png']) {
// result = String(msg.content.data['image/png']);
// type = 'image/png';
// } else if (msg.content.data['text/plain']) {
// result = String(msg.content.data['text/plain']);
// type = 'text/plain';
// } else if (msg.content.data['text/html']) {
// result = String(msg.content.data['text/html']);
// type = 'text/html';
// }
// }
// resolve({result: result, type: type, msg: msg});
// } catch(ex) {
// reject(ex);
// }
// } else {
// resolve({result: result, type: type, msg: msg});
// }
// break;
// case 'update_display_data':
// var result = msg.content;
// resolve({
// result: result,
// type: msgType,
// msg: {
// content: {
// name: msgType,
// data: {
// [msgType]: result
// }
// }
// }
// });
// break;
// default:
// var message = '[jupyterLabTerminal]: Unknown message type ' + msgType;
// reject({status: 'error', ename: 'Unknown message type', evalue: message});
// };
// return;
// };
}
}
});
}
/**
* LAB: get lab notebook panel
*/
getLabKernel(){
var notebookPanel = this.getLabNotebookPanel();
if (notebookPanel) {
var kernelConnection = notebookPanel.sessionContext.session?.kernel;
return kernelConnection;
}
return null;
}
async executeLabCell(pythonCode, cellType='code'){
var { NotebookActions } = require('@jupyterlab/notebook');
var notebookPanel = this.getLabNotebookPanel();
return new Promise(async (resolve, reject) => {
if (notebookPanel){
var notebook = notebookPanel.content;
var notebookModel = notebook.model;
var sessionContext = notebookPanel.sessionContext;
var options = { };
var cellModel = notebookModel.contentFactory.createCell(cellType, options);
cellModel.value.text = pythonCode;
const activeCellIndexBackup = notebook.activeCellIndex;
// 셀 추가
notebookModel.cells.insert(activeCellIndexBackup + 1, cellModel);
notebook.activeCellIndex = newCellIndex;
var cell = notebook.activeCell;
try{
await NotebookActions.run(notebook, sessionContext)
.catch(error=>{
reject(error);
});
} catch(error){
reject(error);
}
var htmlArray = [];
for(var output of cell.outputArea.node.children){
htmlArray.push(output.innerHTML);
}
// 셀 삭제
// await NotebookActions.deleteCells(notebook);
// notebook.activeCellIndex = activeCellIndexBackup;
resolve(htmlArray);
}
});
}
createLabCell(code, type='code') {
var { CellModel, CodeCellModel, MarkdownCellModel } = require('@jupyterlab/cells');
return new CellModel({
cell_type: 'code',
source: "print('hi')",
metadata: { trusted: false }
})
}
/**
* LAB: get lab notebook panel
*/
getLabNotebookPanel(){
var mainWidgets = this.app.shell.widgets('main');
var widget = mainWidgets.next();
while(widget){
if(widget.sessionContext){
var type = widget.sessionContext.type;
if(type == 'notebook' || type == 'console'){ //other wigets might be of type DocumentWidget
if (widget.isVisible){
return widget;
}
}
}
widget = mainWidgets.next();
}
return null;
}
get labWidgets() {
let mainWidgets = this.app.shell.widgets('main');
let widget = mainWidgets.next();
let widgetList = [];
while (widget) {
if (widget.sessionContext) {
widgetList.push(widget);
}
widget = mainWidgets.next();
}
return widgetList;
}
getLabPanelId() {
let currentPanel = vpKernel.getLabNotebookPanel();
if (currentPanel) {
return currentPanel.id;
}
return undefined;
}
/**
* Check if module/function is loaded already
* @param {*} moduleList
*/
checkModule(moduleList) {
var that = this;
return new Promise(function(resolve, reject) {
that.execute(com_util.formatString('_vp_print(_vp_check_module_loaded({0}))', JSON.stringify(moduleList))).then(function(resultObj) {
// resolve
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getDataList(dataTypeList=[], excludeList=[], allowModule=false) {
// use function command to get variable list of selected data types
var cmdSB = '_vp_print(_vp_get_variables_list(None))';
if (!dataTypeList || dataTypeList.length <= 0) {
dataTypeList = [];
}
cmdSB = com_util.formatString('_vp_print(_vp_get_variables_list({0}, {1}, {2}))', JSON.stringify(dataTypeList), JSON.stringify(excludeList), allowModule?'True':'False');
var that = this;
return new Promise(function(resolve, reject) {
that.execute(cmdSB.toString()).then(function(resultObj) {
// resolve
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
})
}
getColumnList(dataframe) {
var that = this;
return new Promise(function(resolve, reject) {
that.execute(com_util.formatString('_vp_print(_vp_get_columns_list({0}))', dataframe))
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getCommonColumnList(dataframeList) {
var that = this;
return new Promise(function(resolve, reject) {
that.execute(com_util.formatString('_vp_print(_vp_get_multi_columns_list([{0}]))', dataframeList.join(',')))
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getColumnCategory(dataframe, columnName) {
var that = this;
return new Promise(function(resolve, reject) {
that.execute(com_util.formatString('_vp_print(_vp_get_column_category({0}, {1}))', dataframe, columnName))
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Get rows list
* @param {*} dataframe
* @returns
*/
getRowList(dataframe) {
var that = this;
return new Promise(function(resolve, reject) {
that.execute(com_util.formatString('_vp_print(_vp_get_rows_list({0}))', dataframe))
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getSweetvizList() {
var that = this;
return new Promise(function(resolve, reject) {
that.execute('_vp_print(_vp_get_sweetviz_list())')
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getProfilingList() {
var that = this;
return new Promise(function(resolve, reject) {
that.execute('_vp_print(_vp_get_profiling_list())')
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
//====================================================================
// FileNavigation
//====================================================================
getCurrentDirectory() {
var that = this;
return new Promise(function(resolve, reject) {
that.execute('%pwd')
.then(function(resultObj) {
resolve(resultObj.result);
}).catch(function(err) {
// reject
reject(err);
})
});
}
getFileList(path, useFunction=false) {
var that = this;
if (path === '') {
path = '.';
}
if (!useFunction) {
path = "'" + path + "'";
}
var cmd = com_util.formatString('_vp_print(_vp_search_path({0}))', path);
return new Promise(function(resolve, reject) {
that.execute(cmd)
.then(function(resultObj) {
resolve(resultObj.result);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Get if colab mounted (If mounted, create .visualpython directory)
* - '/content/drive/MyDrive/.visualpython'
* @returns Promise(resolve(true/false), reject(err))
*/
getColabMounted() {
var that = this;
return new Promise(function(resolve, reject) {
that.execute('_vp_get_colab_mounted()')
.then(function(resultObj) {
resolve(resultObj.result);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Get colab's vp config file content
* @param {String} configType vpudf, vpcfg
* @returns
*/
getColabConfig(configType='vpudf') {
var that = this;
var configFile = '';
switch (configType) {
case 'vpudf':
configFile = 'snippets';
break;
case 'vpcfg':
configFile = 'configure';
break;
case 'vpimport':
configFile = 'import';
break;
}
var cmd = com_util.formatString("print(_vp_get_colab_vpcfg('{0}'))", configFile);
return new Promise(function(resolve, reject) {
that.execute(cmd)
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Set colab's vp config file content
* @param {String} content file content to write
* @param {String} configType vpudf, vpcfg
* @returns
*/
setColabConfig(content, configType='vpudf') {
var that = this;
var configFile = '';
switch (configType) {
case 'vpudf':
configFile = 'snippets';
break;
case 'vpcfg':
configFile = 'configure';
break;
case 'vpimport':
configFile = 'import';
break;
}
// write file
var sbfileSaveCmd = new com_String();
sbfileSaveCmd.appendFormatLine('%%writefile "/content/drive/MyDrive/.visualpython/{0}"', configFile);
sbfileSaveCmd.appendLine(content);
return new Promise(function(resolve, reject) {
that.execute(sbfileSaveCmd.toString())
.then(function(resultObj) {
resolve(resultObj.result);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Get jupyterlab's vp config file content
* @param {String} configType vpudf, vpcfg
* @returns
*/
getLabConfig(configType='vpudf') {
var that = this;
var configFile = '';
switch (configType) {
case 'vpudf':
configFile = 'snippets';
break;
case 'vpcfg':
configFile = 'configure';
break;
case 'vpimport':
configFile = 'import';
break;
}
var cmd = com_util.formatString("print(_vp_get_lab_vpcfg('{0}'))", configFile);
return new Promise(function(resolve, reject) {
that.execute(cmd)
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
/**
* Set jupyterlab's vp config file content
* @param {String} content file content to write
* @param {String} configType vpudf, vpcfg
* @returns
*/
setLabConfig(content={}, configType='vpudf') {
var that = this;
var configFile = '';
switch (configType) {
case 'vpudf':
configFile = 'snippets';
break;
case 'vpcfg':
configFile = 'configure';
break;
case 'vpimport':
configFile = 'import';
break;
}
// write file
var sbfileSaveCmd = new com_String();
sbfileSaveCmd.appendFormat("_vp_set_lab_vpcfg('{0}', {1})", configFile, content);
return new Promise(function(resolve, reject) {
that.execute(sbfileSaveCmd.toString())
.then(function(resultObj) {
resolve(resultObj.result);
}).catch(function(err) {
// reject
reject(err);
})
});
}
//====================================================================
// Image data
//====================================================================
getImageFile(path) {
var that = this;
let code = com_util.formatString("_vp_get_image_by_path('{0}')", path);
return new Promise(function(resolve, reject) {
that.execute(code)
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
//====================================================================
// Read File
//====================================================================
readFile(filePath) {
let that = this;
let code = com_util.formatString("print(_vp_read_file('{0}'))", filePath);
return new Promise(function(resolve, reject) {
that.execute(code)
.then(function(resultObj) {
resolve(resultObj);
}).catch(function(err) {
// reject
reject(err);
})
});
}
//====================================================================
// Write File
//====================================================================
saveFile(fileName, filePath, saveData) {
let that = this;
fetch(filePath).then(function(data) {
// overwrite confirmation
if (data.status == 200) {
if (!confirm(com_util.formatString("{0} already exists.\nDo you want to replace it?", fileName))) {
return false;
}
}
// write file
var sbfileSaveCmd = new com_String();
sbfileSaveCmd.appendFormatLine('%%writefile "{0}"', filePath);
sbfileSaveCmd.appendLine(saveData);
that.execute(sbfileSaveCmd.toString()).then(function(resultObj) {
com_util.renderSuccessMessage('Successfully saved file. (' + fileName + ')');
}).catch(function(err) {
com_util.renderAlertModal("Couldn't save file. "+err.message);
vpLog.display(VP_LOG_TYPE.ERROR, err);