Files
azuredatastudio/extensions/notebook/src/jupyter/jupyterServerInstallation.ts
Chris LaFreniere a5231ec0e5 Notebook Extension: First logging improvements (#13729)
* First logging improvements

* PR feedback for err output
2020-12-11 11:21:06 -08:00

745 lines
28 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the Source EULA. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
import * as fs from 'fs-extra';
import * as path from 'path';
import * as nls from 'vscode-nls';
import * as azdata from 'azdata';
import { ExecOptions } from 'child_process';
import * as request from 'request';
import * as zip from 'adm-zip';
import * as tar from 'tar';
import * as constants from '../common/constants';
import * as utils from '../common/utils';
import { Deferred } from '../common/promise';
import { ConfigurePythonWizard } from '../dialog/configurePython/configurePythonWizard';
import { IKernelInfo } from '../contracts/content';
const localize = nls.loadMessageBundle();
const msgInstallPkgProgress = localize('msgInstallPkgProgress', "Notebook dependencies installation is in progress");
const msgPythonDownloadComplete = localize('msgPythonDownloadComplete', "Python download is complete");
const msgPythonDownloadError = localize('msgPythonDownloadError', "Error while downloading python setup");
const msgPythonDownloadPending = localize('msgPythonDownloadPending', "Downloading python package");
const msgPythonUnpackPending = localize('msgPythonUnpackPending', "Unpacking python package");
const msgPythonDirectoryError = localize('msgPythonDirectoryError', "Error while creating python installation directory");
const msgPythonUnpackError = localize('msgPythonUnpackError', "Error while unpacking python bundle");
const msgTaskName = localize('msgTaskName', "Installing Notebook dependencies");
const msgInstallPkgStart = localize('msgInstallPkgStart', "Installing Notebook dependencies, see Tasks view for more information");
const msgInstallPkgFinish = localize('msgInstallPkgFinish', "Notebook dependencies installation is complete");
const msgPythonRunningError = localize('msgPythonRunningError', "Cannot overwrite an existing Python installation while python is running. Please close any active notebooks before proceeding.");
const msgWaitingForInstall = localize('msgWaitingForInstall', "Another Python installation is currently in progress. Waiting for it to complete.");
function msgDependenciesInstallationFailed(errorMessage: string): string { return localize('msgDependenciesInstallationFailed', "Installing Notebook dependencies failed with error: {0}", errorMessage); }
function msgDownloadPython(platform: string, pythonDownloadUrl: string): string { return localize('msgDownloadPython', "Downloading local python for platform: {0} to {1}", platform, pythonDownloadUrl); }
function msgPackageRetrievalFailed(errorMessage: string): string { return localize('msgPackageRetrievalFailed', "Encountered an error when trying to retrieve list of installed packages: {0}", errorMessage); }
export interface PythonInstallSettings {
installPath: string;
existingPython: boolean;
packages: PythonPkgDetails[];
}
export interface IJupyterServerInstallation {
installCondaPackages(packages: PythonPkgDetails[], useMinVersion: boolean): Promise<void>;
configurePackagePaths(): Promise<void>;
startInstallProcess(forceInstall: boolean, installSettings?: PythonInstallSettings): Promise<void>;
getInstalledPipPackages(): Promise<PythonPkgDetails[]>;
getInstalledCondaPackages(): Promise<PythonPkgDetails[]>;
uninstallCondaPackages(packages: PythonPkgDetails[]): Promise<void>;
usingConda: boolean;
getCondaExePath(): string;
executeBufferedCommand(command: string): Promise<string>;
executeStreamedCommand(command: string): Promise<void>;
installPipPackages(packages: PythonPkgDetails[], useMinVersion: boolean): Promise<void>;
uninstallPipPackages(packages: PythonPkgDetails[]): Promise<void>;
pythonExecutable: string;
pythonInstallationPath: string;
}
export class JupyterServerInstallation implements IJupyterServerInstallation {
public extensionPath: string;
public pythonBinPath: string;
public outputChannel: vscode.OutputChannel;
public pythonEnvVarPath: string;
public execOptions: ExecOptions;
private _pythonInstallationPath: string;
private _pythonExecutable: string;
private _usingExistingPython: boolean;
private _usingConda: boolean;
private _installInProgress: boolean;
private _installCompletion: Deferred<void>;
public static readonly DefaultPythonLocation = path.join(utils.getUserHome(), 'azuredatastudio-python');
private _kernelSetupCache: Map<string, boolean>;
private readonly _requiredKernelPackages: Map<string, PythonPkgDetails[]>;
private readonly _requiredPackagesSet: Set<string>;
private readonly _runningOnSAW: boolean;
constructor(extensionPath: string, outputChannel: vscode.OutputChannel) {
this.extensionPath = extensionPath;
this.outputChannel = outputChannel;
this._runningOnSAW = vscode.env.appName.toLowerCase().indexOf('saw') > 0;
vscode.commands.executeCommand(constants.BuiltInCommands.SetContext, 'notebook:runningOnSAW', this._runningOnSAW);
if (this._runningOnSAW) {
this._pythonInstallationPath = `${vscode.env.appRoot}\\ads-python`;
this._usingExistingPython = true;
} else {
this._pythonInstallationPath = JupyterServerInstallation.getPythonInstallPath();
this._usingExistingPython = JupyterServerInstallation.getExistingPythonSetting();
}
this._usingConda = false;
this._installInProgress = false;
this._kernelSetupCache = new Map<string, boolean>();
this._requiredKernelPackages = new Map<string, PythonPkgDetails[]>();
let jupyterPkg = {
name: 'jupyter',
version: '1.0.0'
};
this._requiredKernelPackages.set(constants.python3DisplayName, [jupyterPkg]);
let powershellPkg = {
name: 'powershell-kernel',
version: '0.1.4'
};
this._requiredKernelPackages.set(constants.powershellDisplayName, [jupyterPkg, powershellPkg]);
let sparkPackages = [
jupyterPkg,
{
name: 'sparkmagic',
version: '0.12.9'
}, {
name: 'pandas',
version: '0.24.2'
}];
this._requiredKernelPackages.set(constants.pysparkDisplayName, sparkPackages);
this._requiredKernelPackages.set(constants.sparkScalaDisplayName, sparkPackages);
this._requiredKernelPackages.set(constants.sparkRDisplayName, sparkPackages);
let allPackages = sparkPackages.concat(powershellPkg);
this._requiredKernelPackages.set(constants.allKernelsName, allPackages);
this._requiredPackagesSet = new Set<string>();
allPackages.forEach(pkg => {
this._requiredPackagesSet.add(pkg.name);
});
}
private async installDependencies(backgroundOperation: azdata.BackgroundOperation, forceInstall: boolean, packages: PythonPkgDetails[]): Promise<void> {
vscode.window.showInformationMessage(msgInstallPkgStart);
this.outputChannel.show(true);
this.outputChannel.appendLine(msgInstallPkgProgress);
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgInstallPkgProgress);
try {
let pythonExists = await utils.exists(this._pythonExecutable);
if (!pythonExists || forceInstall) {
await this.installPythonPackage(backgroundOperation, this._usingExistingPython, this._pythonInstallationPath, this.outputChannel);
}
await this.upgradePythonPackages(forceInstall, packages);
} catch (err) {
this.outputChannel.appendLine(msgDependenciesInstallationFailed(utils.getErrorMessage(err)));
throw err;
}
this.outputChannel.appendLine(msgInstallPkgFinish);
backgroundOperation.updateStatus(azdata.TaskStatus.Succeeded, msgInstallPkgFinish);
vscode.window.showInformationMessage(msgInstallPkgFinish);
}
private installPythonPackage(backgroundOperation: azdata.BackgroundOperation, usingExistingPython: boolean, pythonInstallationPath: string, outputChannel: vscode.OutputChannel): Promise<void> {
if (usingExistingPython) {
return Promise.resolve();
}
let bundleVersion = constants.pythonBundleVersion;
let pythonVersion = constants.pythonVersion;
let platformId = utils.getOSPlatformId();
let packageName: string;
let pythonDownloadUrl: string;
let extension = process.platform === constants.winPlatform ? 'zip' : 'tar.gz';
packageName = `python-${pythonVersion}-${platformId}-${bundleVersion}.${extension}`;
switch (process.platform) {
case constants.winPlatform:
pythonDownloadUrl = constants.pythonWindowsInstallUrl;
break;
case constants.macPlatform:
pythonDownloadUrl = constants.pythonMacInstallUrl;
break;
default:
// Default to linux
pythonDownloadUrl = constants.pythonLinuxInstallUrl;
break;
}
return new Promise((resolve, reject) => {
let installPath = pythonInstallationPath;
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgDownloadPython(platformId, pythonDownloadUrl));
fs.mkdirs(installPath, (err) => {
if (err) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDirectoryError);
return reject(err);
}
let totalMegaBytes: number = undefined;
let receivedBytes = 0;
let printThreshold = 0.1;
let downloadRequest = request.get(pythonDownloadUrl, { timeout: 20000 })
.on('error', (downloadError) => {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDownloadError);
reject(downloadError);
})
.on('response', (response) => {
if (response.statusCode !== 200) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDownloadError);
return reject(response.statusMessage);
}
let totalBytes = parseInt(response.headers['content-length']);
totalMegaBytes = totalBytes / (1024 * 1024);
outputChannel.appendLine(`${msgPythonDownloadPending} (0 / ${totalMegaBytes.toFixed(2)} MB)`);
})
.on('data', (data) => {
receivedBytes += data.length;
if (totalMegaBytes) {
let receivedMegaBytes = receivedBytes / (1024 * 1024);
let percentage = receivedMegaBytes / totalMegaBytes;
if (percentage >= printThreshold) {
outputChannel.appendLine(`${msgPythonDownloadPending} (${receivedMegaBytes.toFixed(2)} / ${totalMegaBytes.toFixed(2)} MB)`);
printThreshold += 0.1;
}
}
});
let pythonPackagePathLocal = path.join(installPath, packageName);
downloadRequest.pipe(fs.createWriteStream(pythonPackagePathLocal))
.on('close', async () => {
//unpack python zip/tar file
outputChannel.appendLine(msgPythonUnpackPending);
let pythonSourcePath = path.join(installPath, constants.pythonBundleVersion);
if (await utils.exists(pythonSourcePath)) {
try {
// eslint-disable-next-line no-sync
fs.removeSync(pythonSourcePath);
} catch (err) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonUnpackError);
return reject(err);
}
}
if (process.platform === constants.winPlatform) {
try {
let zippedFile = new zip(pythonPackagePathLocal);
zippedFile.extractAllTo(installPath);
} catch (err) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
}
// Delete zip file
fs.unlink(pythonPackagePathLocal, (err) => {
if (err) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
}
});
outputChannel.appendLine(msgPythonDownloadComplete);
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDownloadComplete);
resolve();
} else {
tar.extract({ file: pythonPackagePathLocal, cwd: installPath }).then(() => {
// Delete tar file
fs.unlink(pythonPackagePathLocal, (err) => {
if (err) {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
}
});
outputChannel.appendLine(msgPythonDownloadComplete);
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDownloadComplete);
resolve();
}).catch(err => {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonUnpackError);
reject(err);
});
}
})
.on('error', (downloadError) => {
backgroundOperation.updateStatus(azdata.TaskStatus.InProgress, msgPythonDownloadError);
reject(downloadError);
downloadRequest.abort();
});
});
});
}
public async configurePackagePaths(): Promise<void> {
// Delete existing Python variables in ADS to prevent conflict with other installs
delete process.env['PYTHONPATH'];
delete process.env['PYTHONSTARTUP'];
delete process.env['PYTHONHOME'];
//Python source path up to bundle version
let pythonSourcePath = this._usingExistingPython
? this._pythonInstallationPath
: path.join(this._pythonInstallationPath, constants.pythonBundleVersion);
// Update python paths and properties to reference user's local python.
let pythonBinPathSuffix = process.platform === constants.winPlatform ? '' : 'bin';
this._pythonExecutable = JupyterServerInstallation.getPythonExePath(this._pythonInstallationPath, this._usingExistingPython);
this.pythonBinPath = path.join(pythonSourcePath, pythonBinPathSuffix);
this._usingConda = this.isCondaInstalled();
// Store paths to python libraries required to run jupyter.
this.pythonEnvVarPath = process.env['PATH'];
let delimiter = path.delimiter;
this.pythonEnvVarPath = this.pythonBinPath + delimiter + this.pythonEnvVarPath;
if (process.platform === constants.winPlatform) {
let pythonScriptsPath = path.join(pythonSourcePath, 'Scripts');
this.pythonEnvVarPath = pythonScriptsPath + delimiter + this.pythonEnvVarPath;
if (this._usingConda) {
this.pythonEnvVarPath = [
path.join(pythonSourcePath, 'Library', 'mingw-w64', 'bin'),
path.join(pythonSourcePath, 'Library', 'usr', 'bin'),
path.join(pythonSourcePath, 'Library', 'bin'),
path.join(pythonSourcePath, 'condabin'),
this.pythonEnvVarPath
].join(delimiter);
}
}
// Skip adding user package directory on SAWs, since packages will already be included with ADS
if (!this._runningOnSAW && await utils.exists(this._pythonExecutable)) {
let pythonUserDir = await this.getPythonUserDir(this._pythonExecutable);
if (pythonUserDir) {
this.pythonEnvVarPath = pythonUserDir + delimiter + this.pythonEnvVarPath;
}
}
// Store the executable options to run child processes with env var without interfering parent env var.
let env = Object.assign({}, process.env);
delete env['Path']; // Delete extra 'Path' variable for Windows, just in case.
env['PATH'] = this.pythonEnvVarPath;
this.execOptions = {
env: env
};
}
private async isPythonRunning(pythonExePath: string): Promise<boolean> {
if (process.platform === constants.winPlatform) {
let cmd = `powershell.exe -NoProfile -Command "& {Get-Process python | Where-Object {$_.Path -eq '${pythonExePath}'}}"`;
let cmdResult: string;
try {
cmdResult = await this.executeBufferedCommand(cmd);
} catch (err) {
return false;
}
return cmdResult !== undefined && cmdResult.length > 0;
}
return false;
}
/**
* Installs Python and associated dependencies to the specified directory.
* @param forceInstall Indicates whether an existing installation should be overwritten, if it exists.
* @param installSettings Optional parameter that specifies where to install python, and whether the install targets an existing python install.
* The previous python path (or the default) is used if a new path is not specified.
*/
public async startInstallProcess(forceInstall: boolean, installSettings?: PythonInstallSettings): Promise<void> {
if (!installSettings) {
installSettings = {
installPath: this._pythonInstallationPath,
existingPython: this._usingExistingPython,
packages: this.getRequiredPackagesForKernel(constants.python3DisplayName)
};
}
// Check if Python is running before attempting to overwrite the installation.
// This step is skipped when using an existing installation, since we only add
// extra packages in that case and don't modify the install itself.
if (!installSettings.existingPython) {
let pythonExePath = JupyterServerInstallation.getPythonExePath(installSettings.installPath, false);
let isPythonRunning = await this.isPythonRunning(pythonExePath);
if (isPythonRunning) {
return Promise.reject(msgPythonRunningError);
}
}
if (this._installInProgress) {
vscode.window.showInformationMessage(msgWaitingForInstall);
return this._installCompletion.promise;
}
this._installInProgress = true;
this._installCompletion = new Deferred<void>();
this._pythonInstallationPath = installSettings.installPath;
this._usingExistingPython = installSettings.existingPython;
await this.configurePackagePaths();
azdata.tasks.startBackgroundOperation({
displayName: msgTaskName,
description: msgTaskName,
isCancelable: false,
operation: op => {
this.installDependencies(op, forceInstall, installSettings.packages)
.then(async () => {
let notebookConfig = vscode.workspace.getConfiguration(constants.notebookConfigKey);
await notebookConfig.update(constants.pythonPathConfigKey, this._pythonInstallationPath, vscode.ConfigurationTarget.Global);
await notebookConfig.update(constants.existingPythonConfigKey, this._usingExistingPython, vscode.ConfigurationTarget.Global);
await this.configurePackagePaths();
this._installCompletion.resolve();
this._installInProgress = false;
})
.catch(err => {
let errorMsg = msgDependenciesInstallationFailed(utils.getErrorMessage(err));
op.updateStatus(azdata.TaskStatus.Failed, errorMsg);
this._installCompletion.reject(errorMsg);
this._installInProgress = false;
});
}
});
return this._installCompletion.promise;
}
/**
* Opens a dialog for configuring the installation path for the Notebook Python dependencies.
*/
public async promptForPythonInstall(kernelDisplayName: string): Promise<void> {
if (this._runningOnSAW) {
return Promise.resolve();
}
if (this._installInProgress) {
vscode.window.showInformationMessage(msgWaitingForInstall);
return this._installCompletion.promise;
}
let isPythonInstalled = JupyterServerInstallation.isPythonInstalled();
let areRequiredPackagesInstalled = await this.areRequiredPackagesInstalled(kernelDisplayName);
if (!isPythonInstalled || !areRequiredPackagesInstalled) {
let pythonWizard = new ConfigurePythonWizard(this, this.outputChannel);
await pythonWizard.start(kernelDisplayName, true);
return pythonWizard.setupComplete.then(() => {
this._kernelSetupCache.set(kernelDisplayName, true);
});
}
}
private async areRequiredPackagesInstalled(kernelDisplayName: string): Promise<boolean> {
if (this._kernelSetupCache.get(kernelDisplayName)) {
return true;
}
let installedPackages = await this.getInstalledPipPackages();
let installedPackageMap = new Map<string, string>();
installedPackages.forEach(pkg => {
installedPackageMap.set(pkg.name, pkg.version);
});
let requiredPackages = this.getRequiredPackagesForKernel(kernelDisplayName);
for (let pkg of requiredPackages) {
let installedVersion = installedPackageMap.get(pkg.name);
if (!installedVersion || utils.comparePackageVersions(installedVersion, pkg.version) < 0) {
return false;
}
}
this._kernelSetupCache.set(kernelDisplayName, true);
return true;
}
private async upgradePythonPackages(forceInstall: boolean, packages: PythonPkgDetails[]): Promise<void> {
let packagesToInstall: PythonPkgDetails[];
if (forceInstall) {
packagesToInstall = packages;
} else {
packagesToInstall = [];
let installedPipPackages = await this.getInstalledPipPackages();
let pipVersionMap = new Map<string, string>();
installedPipPackages.forEach(pkg => pipVersionMap.set(pkg.name, pkg.version));
packages.forEach(pkg => {
let installedPkgVersion = pipVersionMap.get(pkg.name);
if (!installedPkgVersion || utils.comparePackageVersions(installedPkgVersion, pkg.version) < 0) {
packagesToInstall.push(pkg);
}
});
}
if (packagesToInstall.length > 0) {
// Always install generic packages with pip, since conda may not have them (like powershell-kernel).
await this.installPipPackages(packagesToInstall, true);
}
}
public async getInstalledPipPackages(pythonExePath?: string): Promise<PythonPkgDetails[]> {
try {
if (pythonExePath) {
if (!fs.existsSync(pythonExePath)) {
return [];
}
} else if (!JupyterServerInstallation.isPythonInstalled()) {
return [];
}
let cmd = `"${pythonExePath ?? this.pythonExecutable}" -m pip list --format=json`;
let packagesInfo = await this.executeBufferedCommand(cmd);
let packages: PythonPkgDetails[] = [];
if (packagesInfo) {
let parsedResult = <PythonPkgDetails[]>JSON.parse(packagesInfo);
if (parsedResult) {
packages = parsedResult;
}
}
return packages;
}
catch (err) {
this.outputChannel.appendLine(msgPackageRetrievalFailed(utils.getErrorMessage(err)));
return [];
}
}
public installPipPackages(packages: PythonPkgDetails[], useMinVersion: boolean): Promise<void> {
if (!packages || packages.length === 0) {
return Promise.resolve();
}
let versionSpecifier = useMinVersion ? '>=' : '==';
let packagesStr = packages.map(pkg => `"${pkg.name}${versionSpecifier}${pkg.version}"`).join(' ');
let cmd = `"${this.pythonExecutable}" -m pip install --user ${packagesStr}`;
return this.executeStreamedCommand(cmd);
}
public uninstallPipPackages(packages: PythonPkgDetails[]): Promise<void> {
for (let pkg of packages) {
if (this._requiredPackagesSet.has(pkg.name)) {
this._kernelSetupCache.clear();
break;
}
}
let packagesStr = packages.map(pkg => `"${pkg.name}==${pkg.version}"`).join(' ');
let cmd = `"${this.pythonExecutable}" -m pip uninstall -y ${packagesStr}`;
return this.executeStreamedCommand(cmd);
}
public async getInstalledCondaPackages(): Promise<PythonPkgDetails[]> {
try {
if (!this.isCondaInstalled()) {
return [];
}
let condaExe = this.getCondaExePath();
let cmd = `"${condaExe}" list --json`;
let packagesInfo = await this.executeBufferedCommand(cmd);
let packages: PythonPkgDetails[] = [];
if (packagesInfo) {
let parsedResult = <PythonPkgDetails[]>JSON.parse(packagesInfo);
if (parsedResult) {
packages = parsedResult.filter(pkg => pkg && pkg.channel && pkg.channel !== 'pypi');
}
}
return packages;
}
catch (err) {
this.outputChannel.appendLine(msgPackageRetrievalFailed(utils.getErrorMessage(err)));
return [];
}
}
public installCondaPackages(packages: PythonPkgDetails[], useMinVersion: boolean): Promise<void> {
if (!packages || packages.length === 0) {
return Promise.resolve();
}
let versionSpecifier = useMinVersion ? '>=' : '==';
let packagesStr = packages.map(pkg => `"${pkg.name}${versionSpecifier}${pkg.version}"`).join(' ');
let condaExe = this.getCondaExePath();
let cmd = `"${condaExe}" install -c conda-forge -y ${packagesStr}`;
return this.executeStreamedCommand(cmd);
}
public uninstallCondaPackages(packages: PythonPkgDetails[]): Promise<void> {
for (let pkg of packages) {
if (this._requiredPackagesSet.has(pkg.name)) {
this._kernelSetupCache.clear();
break;
}
}
let condaExe = this.getCondaExePath();
let packagesStr = packages.map(pkg => `"${pkg.name}==${pkg.version}"`).join(' ');
let cmd = `"${condaExe}" uninstall -y ${packagesStr}`;
return this.executeStreamedCommand(cmd);
}
public async executeStreamedCommand(command: string): Promise<void> {
await utils.executeStreamedCommand(command, { env: this.execOptions.env }, this.outputChannel);
}
public async executeBufferedCommand(command: string): Promise<string> {
return await utils.executeBufferedCommand(command, { env: this.execOptions.env });
}
public get pythonExecutable(): string {
return this._pythonExecutable;
}
public getCondaExePath(): string {
return path.join(this._pythonInstallationPath,
process.platform === constants.winPlatform ? 'Scripts\\conda.exe' : 'bin/conda');
}
/**
* Returns Python installation path
*/
public get pythonInstallationPath(): string {
return this._pythonInstallationPath;
}
public get usingConda(): boolean {
return this._usingConda;
}
private isCondaInstalled(): boolean {
let condaExePath = this.getCondaExePath();
// eslint-disable-next-line no-sync
return fs.existsSync(condaExePath);
}
/**
* Checks if a python executable exists at the "notebook.pythonPath" defined in the user's settings.
*/
public static isPythonInstalled(): boolean {
// Don't use _pythonExecutable here, since it could be populated with a default value
let pathSetting = JupyterServerInstallation.getPythonPathSetting();
if (!pathSetting) {
return false;
}
let useExistingInstall = JupyterServerInstallation.getExistingPythonSetting();
let pythonExe = JupyterServerInstallation.getPythonExePath(pathSetting, useExistingInstall);
// eslint-disable-next-line no-sync
return fs.existsSync(pythonExe);
}
/**
* Returns the Python installation path defined in "notebook.pythonPath" in the user's settings.
* Returns a default path if the setting is not defined.
*/
public static getPythonInstallPath(): string {
let userPath = JupyterServerInstallation.getPythonPathSetting();
return userPath ? userPath : JupyterServerInstallation.DefaultPythonLocation;
}
public static getExistingPythonSetting(): boolean {
let useExistingPython = false;
let notebookConfig = vscode.workspace.getConfiguration(constants.notebookConfigKey);
if (notebookConfig) {
useExistingPython = !!notebookConfig[constants.existingPythonConfigKey];
}
return useExistingPython;
}
public static getPythonPathSetting(): string {
let path = undefined;
let notebookConfig = vscode.workspace.getConfiguration(constants.notebookConfigKey);
if (notebookConfig) {
let configPythonPath = notebookConfig[constants.pythonPathConfigKey];
// eslint-disable-next-line no-sync
if (configPythonPath && fs.existsSync(configPythonPath)) {
path = configPythonPath;
}
}
return path;
}
public static getPythonExePath(pythonInstallPath: string, useExistingInstall: boolean): string {
return path.join(
pythonInstallPath,
useExistingInstall ? '' : constants.pythonBundleVersion,
process.platform === constants.winPlatform ? 'python.exe' : 'bin/python3');
}
private async getPythonUserDir(pythonExecutable: string): Promise<string> {
let sitePath: string;
if (process.platform === constants.winPlatform) {
sitePath = 'USER_SITE';
} else {
sitePath = 'USER_BASE';
}
let cmd = `"${pythonExecutable}" -c "import site;print(site.${sitePath})"`;
let packagesDir = await utils.executeBufferedCommand(cmd, {});
if (packagesDir && packagesDir.length > 0) {
packagesDir = packagesDir.trim();
if (process.platform === constants.winPlatform) {
packagesDir = path.resolve(path.join(packagesDir, '..', 'Scripts'));
} else {
packagesDir = path.join(packagesDir, 'bin');
}
return packagesDir;
}
return undefined;
}
public getRequiredPackagesForKernel(kernelName: string): PythonPkgDetails[] {
return this._requiredKernelPackages.get(kernelName) ?? [];
}
public get runningOnSaw(): boolean {
return this._runningOnSAW;
}
public async updateKernelSpecPaths(kernelsFolder: string): Promise<void> {
if (!this._runningOnSAW) {
return;
}
let fileNames = await fs.readdir(kernelsFolder);
let filePaths = fileNames.map(name => path.join(kernelsFolder, name));
let fileStats = await Promise.all(filePaths.map(path => fs.stat(path)));
let folderPaths = filePaths.filter((value, index) => value && fileStats[index].isDirectory());
let kernelFiles = folderPaths.map(folder => path.join(folder, 'kernel.json'));
await Promise.all(kernelFiles.map(file => this.updateKernelSpecPath(file)));
}
private async updateKernelSpecPath(kernelPath: string): Promise<void> {
let fileContents = await fs.readFile(kernelPath);
let kernelSpec = <IKernelInfo>JSON.parse(fileContents.toString());
kernelSpec.argv = kernelSpec.argv?.map(arg => arg.replace('{ADS_PYTHONDIR}', this._pythonInstallationPath));
await fs.writeFile(kernelPath, JSON.stringify(kernelSpec, undefined, '\t'));
}
}
export interface PythonPkgDetails {
name: string;
version: string;
channel?: string;
}
export interface PipPackageOverview {
name: string;
versions: string[];
summary: string;
}