Added multiple location option to package management dialog (#9790)

* Added multiple location option to package management dialog

extensions/machine-learning-services/config.json

@@ -1,13 +1,9 @@
 {
 	"sqlPackageManagement": {
 		"requiredPythonPackages": [
-			{
-				"name": "pymssql",
-				"version": "2.1.4"
-			},
 			{
 				"name": "sqlmlutils",
-				"version": ""
+				"version": "1.0.0"
 			}
 		],
 		"requiredRPackages": [

extensions/machine-learning-services/package.json

@@ -37,7 +37,7 @@
         },
         "machineLearningServices.enableR": {
           "type": "boolean",
-          "default": "true",
+          "default": "false",
           "description": "%mls.enableR.description%"
         },
         "machineLearningServices.pythonPath": {

extensions/machine-learning-services/src/common/constants.ts

@@ -47,7 +47,8 @@ export const msgYes = localize('msgYes', "Yes");
 export const msgNo = localize('msgNo', "No");
 export const managePackageCommandError = localize('mls.managePackages.error', "Either no connection is available or the server does not have external script enabled.");
 export function taskFailedError(taskName: string, err: string): string { return localize('mls.taskFailedError.error', "Failed to complete task '{0}'. Error: {1}", taskName, err); }
-export const installDependenciesMsgTaskName = localize('mls.installDependencies.msgTaskName', "Installing Machine Learning extension dependencies");
+export const installPackageMngDependenciesMsgTaskName = localize('mls.installPackageMngDependencies.msgTaskName', "Installing package management dependencies");
+export const installModelMngDependenciesMsgTaskName = localize('mls.installModelMngDependencies.msgTaskName', "Installing model management dependencies");
 export const noResultError = localize('mls.noResultError', "No Result returned");
 export const requiredPackagesNotInstalled = localize('mls.requiredPackagesNotInstalled', "The required dependencies are not installed");
 export const confirmEnableExternalScripts = localize('mls.confirmEnableExternalScripts', "External script is required for package management. Are you sure you want to enable that.");

extensions/machine-learning-services/src/common/queryRunner.ts

@@ -7,22 +7,32 @@ import * as azdata from 'azdata';
 import * as nbExtensionApis from '../typings/notebookServices';
 import { ApiWrapper } from './apiWrapper';
 import * as constants from '../common/constants';
+import * as utils from '../common/utils';
 
-const maxNumberOfRetries = 3;
+const maxNumberOfRetries = 2;
 
 const listPythonPackagesQuery = `
+Declare @tablevar table(name NVARCHAR(MAX), version NVARCHAR(MAX))
+insert into @tablevar(name, version)
 EXEC sp_execute_external_script
 @language=N'Python',
 @script=N'import pkg_resources
 import pandas
 OutputDataSet = pandas.DataFrame([(d.project_name, d.version) for d in pkg_resources.working_set])'
+select e.name, version from sys.external_libraries e join @tablevar t on e.name = t.name
+where [language] = 'PYTHON'
 `;
 
 const listRPackagesQuery = `
+Declare @tablevar table(name NVARCHAR(MAX), version NVARCHAR(MAX))
+insert into @tablevar(name, version)
 EXEC sp_execute_external_script
 @language=N'R',
 @script=N'
 OutputDataSet <- as.data.frame(installed.packages()[,c(1,3)])'
+
+select e.name, version from sys.external_libraries e join @tablevar t on e.name = t.name
+where [language] = 'R'
 `;
 
 const checkMlInstalledQuery = `
@@ -63,24 +73,24 @@ export class QueryRunner {
 	 * Returns python packages installed in SQL server instance
 	 * @param connection SQL Connection
 	 */
-	public async getPythonPackages(connection: azdata.connection.ConnectionProfile): Promise<nbExtensionApis.IPackageDetails[]> {
-		return this.getPackages(connection, listPythonPackagesQuery);
+	public async getPythonPackages(connection: azdata.connection.ConnectionProfile, databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return this.getPackages(connection, databaseName, listPythonPackagesQuery);
 	}
 
 	/**
 	 * Returns python packages installed in SQL server instance
 	 * @param connection SQL Connection
 	 */
-	public async getRPackages(connection: azdata.connection.ConnectionProfile): Promise<nbExtensionApis.IPackageDetails[]> {
-		return this.getPackages(connection, listRPackagesQuery);
+	public async getRPackages(connection: azdata.connection.ConnectionProfile, databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return this.getPackages(connection, databaseName, listRPackagesQuery);
 	}
 
-	private async getPackages(connection: azdata.connection.ConnectionProfile, script: string): Promise<nbExtensionApis.IPackageDetails[]> {
+	private async getPackages(connection: azdata.connection.ConnectionProfile, databaseName: string, script: string): Promise<nbExtensionApis.IPackageDetails[]> {
 		let packages: nbExtensionApis.IPackageDetails[] = [];
 		let result: azdata.SimpleExecuteResult | undefined = undefined;
 
 		for (let index = 0; index < maxNumberOfRetries; index++) {
-			result = await this.runQuery(connection, script);
+			result = await this.runQuery(connection, utils.getScriptWithDBChange(connection.databaseName, databaseName, script));
 			if (result && result.rowCount > 0) {
 				break;
 			}

extensions/machine-learning-services/src/modelManagement/modelPythonClient.ts

@@ -40,7 +40,7 @@ export class ModelPythonClient {
 	 * Installs dependencies for python client
 	 */
 	private async installDependencies(): Promise<void> {
-		await utils.executeTasks(this._apiWrapper, constants.installDependenciesMsgTaskName, [
+		await utils.executeTasks(this._apiWrapper, constants.installModelMngDependenciesMsgTaskName, [
 			this._packageManager.installRequiredPythonPackages(this._config.modelsRequiredPythonPackages)], true);
 	}
 

extensions/machine-learning-services/src/packageManagement/packageManageProviderBase.ts

@@ -5,7 +5,6 @@
 
 import * as azdata from 'azdata';
 import { ApiWrapper } from '../common/apiWrapper';
-import * as constants from '../common/constants';
 import * as nbExtensionApis from '../typings/notebookServices';
 import * as utils from '../common/utils';
 
@@ -23,14 +22,17 @@ export abstract class SqlPackageManageProviderBase {
 	}
 
 	/**
-	 * Returns location title
+	 * Returns database names
 	 */
-	public async getLocationTitle(): Promise<string> {
+	public async getLocations(): Promise<nbExtensionApis.IPackageLocation[]> {
 		let connection = await this.getCurrentConnection();
 		if (connection) {
-			return `${connection.serverName} ${connection.databaseName ? connection.databaseName : ''}`;
+			let databases = await this._apiWrapper.listDatabases(connection.connectionId);
+			return databases.map(x => {
+				return { displayName: x, name: x };
+			});
 		}
-		return constants.noConnectionError;
+		return [];
 	}
 
 	protected async getCurrentConnection(): Promise<azdata.connection.ConnectionProfile> {
@@ -42,16 +44,16 @@ export abstract class SqlPackageManageProviderBase {
 	 * @param packages Packages to install
 	 * @param useMinVersion minimum version
 	 */
-	public async installPackages(packages: nbExtensionApis.IPackageDetails[], useMinVersion: boolean): Promise<void> {
+	public async installPackages(packages: nbExtensionApis.IPackageDetails[], useMinVersion: boolean, databaseName: string): Promise<void> {
 
 		if (packages) {
-			await Promise.all(packages.map(x => this.installPackage(x, useMinVersion)));
+			await Promise.all(packages.map(x => this.installPackage(x, useMinVersion, databaseName)));
 		}
 		//TODO: use useMinVersion
 		console.log(useMinVersion);
 	}
 
-	private async installPackage(packageDetail: nbExtensionApis.IPackageDetails, useMinVersion: boolean): Promise<void> {
+	private async installPackage(packageDetail: nbExtensionApis.IPackageDetails, useMinVersion: boolean, databaseName: string): Promise<void> {
 		if (useMinVersion) {
 			let packageOverview = await this.getPackageOverview(packageDetail.name);
 			if (packageOverview && packageOverview.versions) {
@@ -60,16 +62,16 @@ export abstract class SqlPackageManageProviderBase {
 			}
 		}
 
-		await this.executeScripts(ScriptMode.Install, packageDetail);
+		await this.executeScripts(ScriptMode.Install, packageDetail, databaseName);
 	}
 
 	/**
 	 * Uninstalls given packages
 	 * @param packages Packages to uninstall
 	 */
-	public async uninstallPackages(packages: nbExtensionApis.IPackageDetails[]): Promise<void> {
+	public async uninstallPackages(packages: nbExtensionApis.IPackageDetails[], databaseName: string): Promise<void> {
 		if (packages) {
-			await Promise.all(packages.map(x => this.executeScripts(ScriptMode.Uninstall, x)));
+			await Promise.all(packages.map(x => this.executeScripts(ScriptMode.Uninstall, x, databaseName)));
 		}
 	}
 
@@ -88,8 +90,8 @@ export abstract class SqlPackageManageProviderBase {
 	/**
 	 * Returns list of packages
 	 */
-	public async listPackages(): Promise<nbExtensionApis.IPackageDetails[]> {
-		let packages = await this.fetchPackages();
+	public async listPackages(databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		let packages = await this.fetchPackages(databaseName);
 		if (packages) {
 			packages = packages.sort((a, b) => this.comparePackages(a, b));
 		} else {
@@ -110,6 +112,6 @@ export abstract class SqlPackageManageProviderBase {
 	}
 
 	protected abstract fetchPackage(packageName: string): Promise<nbExtensionApis.IPackageOverview>;
-	protected abstract fetchPackages(): Promise<nbExtensionApis.IPackageDetails[]>;
-	protected abstract executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails): Promise<void>;
+	protected abstract fetchPackages(databaseName: string): Promise<nbExtensionApis.IPackageDetails[]>;
+	protected abstract executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails, databaseName: string): Promise<void>;
 }

extensions/machine-learning-services/src/packageManagement/packageManagementService.ts

@@ -103,15 +103,15 @@ export class PackageManagementService {
 	 * Returns python packages installed in SQL server instance
 	 * @param connection SQL Connection
 	 */
-	public async getPythonPackages(connection: azdata.connection.ConnectionProfile): Promise<nbExtensionApis.IPackageDetails[]> {
-		return this._queryRunner.getPythonPackages(connection);
+	public async getPythonPackages(connection: azdata.connection.ConnectionProfile, databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return this._queryRunner.getPythonPackages(connection, databaseName);
 	}
 
 	/**
 	 * Returns python packages installed in SQL server instance
 	 * @param connection SQL Connection
 	 */
-	public async getRPackages(connection: azdata.connection.ConnectionProfile): Promise<nbExtensionApis.IPackageDetails[]> {
-		return this._queryRunner.getRPackages(connection);
+	public async getRPackages(connection: azdata.connection.ConnectionProfile, databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return this._queryRunner.getRPackages(connection, databaseName);
 	}
 }

extensions/machine-learning-services/src/packageManagement/packageManager.ts

@@ -93,7 +93,6 @@ export class PackageManager {
 				// Execute the command
 				//
 				this._apiWrapper.executeCommand(constants.managePackagesCommand, {
-					multiLocations: false,
 					defaultLocation: defaultProvider.packageTarget.location,
 					defaultProviderId: defaultProvider.providerId
 				});
@@ -116,7 +115,7 @@ export class PackageManager {
 	 * Installs dependencies for the extension
 	 */
 	public async installDependencies(): Promise<void> {
-		await utils.executeTasks(this._apiWrapper, constants.installDependenciesMsgTaskName, [
+		await utils.executeTasks(this._apiWrapper, constants.installPackageMngDependenciesMsgTaskName, [
 			this.installRequiredPythonPackages(this._config.requiredSqlPythonPackages),
 			this.installRequiredRPackages()], true);
 	}
@@ -130,7 +129,7 @@ export class PackageManager {
 		}
 
 		await utils.createFolder(utils.getRPackagesFolderPath(this._rootFolder));
-		await Promise.all(this._config.requiredSqlPythonPackages.map(x => this.installRPackage(x)));
+		await Promise.all(this._config.requiredSqlRPackages.map(x => this.installRPackage(x)));
 	}
 
 	/**
@@ -151,7 +150,8 @@ export class PackageManager {
 		let fileContent = '';
 		requiredPackages.forEach(packageDetails => {
 			let hasVersion = ('version' in packageDetails) && !isNullOrUndefined(packageDetails['version']) && packageDetails['version'].length > 0;
-			if (!installedPackages.find(x => x.name === packageDetails['name'] && (!hasVersion || packageDetails['version'] === x.version))) {
+			if (!installedPackages.find(x => x.name === packageDetails['name']
+				&& (!hasVersion || utils.comparePackageVersions(packageDetails['version'] || '', x.version) <= 0))) {
 				let packageNameDetail = hasVersion ? `${packageDetails.name}==${packageDetails.version}` : `${packageDetails.name}`;
 				fileContent = `${fileContent}${packageNameDetail}\n`;
 			}
@@ -177,7 +177,7 @@ export class PackageManager {
 	private async getInstalledPipPackages(): Promise<nbExtensionApis.IPackageDetails[]> {
 		try {
 			let cmd = `"${this.pythonExecutable}" -m pip list --format=json`;
-			let packagesInfo = await this._processService.executeBufferedCommand(cmd, this._outputChannel);
+			let packagesInfo = await this._processService.executeBufferedCommand(cmd, undefined);
 			let packagesResult: nbExtensionApis.IPackageDetails[] = [];
 			if (packagesInfo) {
 				packagesResult = <nbExtensionApis.IPackageDetails[]>JSON.parse(packagesInfo);

extensions/machine-learning-services/src/packageManagement/sqlPythonPackageManageProvider.ts

@@ -9,7 +9,7 @@ import * as nbExtensionApis from '../typings/notebookServices';
 import { ApiWrapper } from '../common/apiWrapper';
 import { ProcessService } from '../common/processService';
 import { Config } from '../configurations/config';
-import { SqlPackageManageProviderBase, ScriptMode } from './SqlPackageManageProviderBase';
+import { SqlPackageManageProviderBase, ScriptMode } from './packageManageProviderBase';
 import { HttpClient } from '../common/httpClient';
 import * as utils from '../common/utils';
 import { PackageManagementService } from './packageManagementService';
@@ -50,8 +50,8 @@ export class SqlPythonPackageManageProvider extends SqlPackageManageProviderBase
 	/**
 	 * Returns list of packages
 	 */
-	protected async fetchPackages(): Promise<nbExtensionApis.IPackageDetails[]> {
-		return await this._service.getPythonPackages(await this.getCurrentConnection());
+	protected async fetchPackages(databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return await this._service.getPythonPackages(await this.getCurrentConnection(), databaseName);
 	}
 
 	/**
@@ -59,14 +59,14 @@ export class SqlPythonPackageManageProvider extends SqlPackageManageProviderBase
 	 * @param packageDetails Packages to install or uninstall
 	 * @param scriptMode can be 'install' or 'uninstall'
 	 */
-	protected async executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails): Promise<void> {
+	protected async executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails, databaseName: string): Promise<void> {
 		let connection = await this.getCurrentConnection();
 		let credentials = await this._apiWrapper.getCredentials(connection.connectionId);
 
 		if (connection) {
 			let port = '1433';
 			let server = connection.serverName;
-			let database = connection.databaseName ? `, database="${connection.databaseName}"` : '';
+			let database = databaseName ? `, database="${databaseName}"` : '';
 			let index = connection.serverName.indexOf(',');
 			if (index > 0) {
 				port = connection.serverName.substring(index + 1);

extensions/machine-learning-services/src/packageManagement/sqlRPackageManageProvider.ts

@@ -10,7 +10,7 @@ import * as nbExtensionApis from '../typings/notebookServices';
 import { ApiWrapper } from '../common/apiWrapper';
 import { ProcessService } from '../common/processService';
 import { Config } from '../configurations/config';
-import { SqlPackageManageProviderBase, ScriptMode } from './SqlPackageManageProviderBase';
+import { SqlPackageManageProviderBase, ScriptMode } from './packageManageProviderBase';
 import { HttpClient } from '../common/httpClient';
 import * as constants from '../common/constants';
 import { PackageManagementService } from './packageManagementService';
@@ -54,8 +54,8 @@ export class SqlRPackageManageProvider extends SqlPackageManageProviderBase impl
 	/**
 	 * Returns list of packages
 	 */
-	protected async fetchPackages(): Promise<nbExtensionApis.IPackageDetails[]> {
-		return await this._service.getRPackages(await this.getCurrentConnection());
+	protected async fetchPackages(databaseName: string): Promise<nbExtensionApis.IPackageDetails[]> {
+		return await this._service.getRPackages(await this.getCurrentConnection(), databaseName);
 	}
 
 	/**
@@ -63,12 +63,12 @@ export class SqlRPackageManageProvider extends SqlPackageManageProviderBase impl
 	 * @param packageDetails Packages to install or uninstall
 	 * @param scriptMode can be 'install' or 'uninstall'
 	 */
-	protected async executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails): Promise<void> {
+	protected async executeScripts(scriptMode: ScriptMode, packageDetails: nbExtensionApis.IPackageDetails, databaseName: string): Promise<void> {
 		let connection = await this.getCurrentConnection();
 		let credentials = await this._apiWrapper.getCredentials(connection.connectionId);
 
 		if (connection) {
-			let database = connection.databaseName ? `, database="${connection.databaseName}"` : '';
+			let database = databaseName ? `, database="${databaseName}"` : '';
 			let connectionParts = `server="${connection.serverName}", uid="${connection.userName}", pwd="${credentials[azdata.ConnectionOptionSpecialType.password]}"${database}`;
 			let rCommandScript = scriptMode === ScriptMode.Install ? 'sql_install.packages' : 'sql_remove.packages';
 

extensions/machine-learning-services/src/test/packageManagement/packageManager.test.ts

@@ -116,7 +116,7 @@ describe('Package Manager', () => {
 
 	it('installDependencies Should install packages that are not already installed', async function (): Promise<void> {
 		let testContext = createContext();
-		//let packagesInstalled = false;
+		let packagesInstalled = false;
 		let installedPackages = `[
 			{"name":"pymssql","version":"2.1.4"}
 		]`;
@@ -128,15 +128,67 @@ describe('Package Manager', () => {
 		});
 		testContext.processService.setup(x => x.executeBufferedCommand(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((command) => {
 			if (command.indexOf('pip install') > 0) {
-				//packagesInstalled = true;
+				packagesInstalled = true;
 			}
 			return Promise.resolve(installedPackages);
 		});
 
 		let packageManager = createPackageManager(testContext);
 		await packageManager.installDependencies();
-		//should.equal(testContext.getOpStatus(), azdata.TaskStatus.Succeeded);
-		//should.equal(packagesInstalled, true);
+		should.equal(testContext.getOpStatus(), azdata.TaskStatus.Succeeded);
+		should.equal(packagesInstalled, true);
+	});
+
+	it('installDependencies Should not install packages if runtime is disabled in setting', async function (): Promise<void> {
+		let testContext = createContext();
+		testContext.config.setup(x => x.rEnabled).returns(() => false);
+		testContext.config.setup(x => x.pythonEnabled).returns(() => false);
+		let packagesInstalled = false;
+		let installedPackages = `[
+			{"name":"pymssql","version":"2.1.4"}
+		]`;
+		testContext.apiWrapper.setup(x => x.showQuickPick(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve({
+			label: 'Yes'
+		}));
+		testContext.apiWrapper.setup(x => x.startBackgroundOperation(TypeMoq.It.isAny())).returns((operationInfo: azdata.BackgroundOperationInfo) => {
+			operationInfo.operation(testContext.op);
+		});
+		testContext.processService.setup(x => x.executeBufferedCommand(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((command) => {
+			if (command.indexOf('pip install') > 0 || command.indexOf('install.packages') > 0) {
+				packagesInstalled = true;
+			}
+			return Promise.resolve(installedPackages);
+		});
+
+		let packageManager = createPackageManager(testContext);
+		await packageManager.installDependencies();
+		should.equal(testContext.getOpStatus(), azdata.TaskStatus.Succeeded);
+		should.equal(packagesInstalled, false);
+	});
+
+	it('installDependencies Should install packages that have older version installed', async function (): Promise<void> {
+		let testContext = createContext();
+		let packagesInstalled = false;
+		let installedPackages = `[
+			{"name":"sqlmlutils","version":"0.1.1"}
+		]`;
+		testContext.apiWrapper.setup(x => x.showQuickPick(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve({
+			label: 'Yes'
+		}));
+		testContext.apiWrapper.setup(x => x.startBackgroundOperation(TypeMoq.It.isAny())).returns((operationInfo: azdata.BackgroundOperationInfo) => {
+			operationInfo.operation(testContext.op);
+		});
+		testContext.processService.setup(x => x.executeBufferedCommand(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((command) => {
+			if (command.indexOf('pip install') > 0) {
+				packagesInstalled = true;
+			}
+			return Promise.resolve(installedPackages);
+		});
+
+		let packageManager = createPackageManager(testContext);
+		await packageManager.installDependencies();
+		should.equal(testContext.getOpStatus(), azdata.TaskStatus.Succeeded);
+		should.equal(packagesInstalled, true);
 	});
 
 	it('installDependencies Should install packages if list packages fails', async function (): Promise<void> {
@@ -197,7 +249,7 @@ describe('Package Manager', () => {
 			{ name: 'pymssql', version: '2.1.4' },
 			{ name: 'sqlmlutils', version: '' }
 		]);
-		testContext.config.setup(x => x.requiredSqlPythonPackages).returns( () => [
+		testContext.config.setup(x => x.requiredSqlRPackages).returns( () => [
 			{ name: 'RODBCext', repository: 'https://cran.microsoft.com' },
 			{ name: 'sqlmlutils', fileName: 'sqlmlutils_0.7.1.zip', downloadUrl: 'https://github.com/microsoft/sqlmlutils/blob/master/R/dist/sqlmlutils_0.7.1.zip?raw=true'}
 		]);

extensions/machine-learning-services/src/test/packageManagement/sqlPythonPackageManageProvider.test.ts

@@ -7,7 +7,6 @@ import * as azdata from 'azdata';
 import * as should from 'should';
 import 'mocha';
 import * as TypeMoq from 'typemoq';
-import * as constants from '../../common/constants';
 import { SqlPythonPackageManageProvider } from '../../packageManagement/sqlPythonPackageManageProvider';
 import { createContext, TestContext } from './utils';
 import * as nbExtensionApis from '../../typings/notebookServices';
@@ -40,10 +39,10 @@ describe('SQL Python Package Manager', () => {
 
 		let connection = new azdata.connection.ConnectionProfile();
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
+		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected = [
 			{
 				'name': 'a-name',
@@ -72,10 +71,10 @@ describe('SQL Python Package Manager', () => {
 
 		let connection = new azdata.connection.ConnectionProfile();
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
+		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected = [
 			{
 				'name': 'b-name',
@@ -95,10 +94,10 @@ describe('SQL Python Package Manager', () => {
 		let connection = new azdata.connection.ConnectionProfile();
 		let packages: nbExtensionApis.IPackageDetails[];
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
+		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected: nbExtensionApis.IPackageDetails[] = [];
 		should.deepEqual(actual, expected);
 	});
@@ -108,10 +107,10 @@ describe('SQL Python Package Manager', () => {
 
 		let connection = new azdata.connection.ConnectionProfile();
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve([]));
+		testContext.serverConfigManager.setup(x => x.getPythonPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve([]));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected: nbExtensionApis.IPackageDetails[] = [];
 		should.deepEqual(actual, expected);
 	});
@@ -152,7 +151,7 @@ describe('SQL Python Package Manager', () => {
 		});
 
 		let provider = createProvider(testContext);
-		await provider.installPackages(packages, false);
+		await provider.installPackages(packages, false, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, true);
 	});
@@ -192,7 +191,7 @@ describe('SQL Python Package Manager', () => {
 		});
 
 		let provider = createProvider(testContext);
-		await provider.uninstallPackages(packages);
+		await provider.uninstallPackages(packages, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, true);
 	});
@@ -233,7 +232,7 @@ describe('SQL Python Package Manager', () => {
 		});
 
 		let provider = createProvider(testContext);
-		await provider.installPackages(packages, false);
+		await provider.installPackages(packages, false, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, true);
 	});
@@ -255,7 +254,7 @@ describe('SQL Python Package Manager', () => {
 
 
 		let provider = createProvider(testContext);
-		await provider.installPackages(packages, false);
+		await provider.installPackages(packages, false, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, false);
 	});
@@ -277,7 +276,7 @@ describe('SQL Python Package Manager', () => {
 
 
 		let provider = createProvider(testContext);
-		await provider.uninstallPackages(packages);
+		await provider.uninstallPackages(packages, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, false);
 	});
@@ -346,42 +345,44 @@ describe('SQL Python Package Manager', () => {
 		should.deepEqual(actual, packagePreview);
 	});
 
-	it('getLocationTitle Should default string for no connection', async function (): Promise<void> {
+	it('getLocations Should return empty array for no connection', async function (): Promise<void> {
 		let testContext = createContext();
 		let connection: azdata.connection.ConnectionProfile;
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
 
 		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
+		let actual = await provider.getLocations();
 
-		should.deepEqual(actual, constants.noConnectionError);
+		should.deepEqual(actual, []);
 	});
 
-	it('getLocationTitle Should return connection title string for valid connection', async function (): Promise<void> {
+	it('getLocations Should return database names for valid connection', async function (): Promise<void> {
 		let testContext = createContext();
 
 		let connection = new azdata.connection.ConnectionProfile();
 		connection.serverName = 'serverName';
 		connection.databaseName = 'databaseName';
+		const databaseNames = [
+			'db1',
+			'db2'
+		];
+		const expected = [
+			{
+				displayName: 'db1',
+				name: 'db1'
+			},
+			{
+				displayName: 'db2',
+				name: 'db2'
+			}
+		];
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
+		testContext.apiWrapper.setup(x => x.listDatabases(connection.connectionId)).returns(() => { return Promise.resolve(databaseNames); });
 
 		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
+		let actual = await provider.getLocations();
 
-		should.deepEqual(actual, `${connection.serverName} ${connection.databaseName}`);
-	});
-
-	it('getLocationTitle Should return server name as connection title if there is not database name', async function (): Promise<void> {
-		let testContext = createContext();
-
-		let connection = new azdata.connection.ConnectionProfile();
-		connection.serverName = 'serverName';
-		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-
-		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
-
-		should.deepEqual(actual, `${connection.serverName} `);
+		should.deepEqual(actual, expected);
 	});
 
 	function createProvider(testContext: TestContext): SqlPythonPackageManageProvider {

extensions/machine-learning-services/src/test/packageManagement/sqlRPackageManageProvider.test.ts

@@ -7,7 +7,6 @@ import * as azdata from 'azdata';
 import * as should from 'should';
 import 'mocha';
 import * as TypeMoq from 'typemoq';
-import * as constants from '../../common/constants';
 import { SqlRPackageManageProvider } from '../../packageManagement/sqlRPackageManageProvider';
 import { createContext, TestContext } from './utils';
 import * as nbExtensionApis from '../../typings/notebookServices';
@@ -40,10 +39,10 @@ describe('SQL R Package Manager', () => {
 
 		let connection = new azdata.connection.ConnectionProfile();
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
+		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected = [
 			{
 				'name': 'a-name',
@@ -63,10 +62,10 @@ describe('SQL R Package Manager', () => {
 		let connection = new azdata.connection.ConnectionProfile();
 		let packages: nbExtensionApis.IPackageDetails[];
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
+		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve(packages));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected: nbExtensionApis.IPackageDetails[] = [];
 		should.deepEqual(actual, expected);
 	});
@@ -76,10 +75,10 @@ describe('SQL R Package Manager', () => {
 
 		let connection = new azdata.connection.ConnectionProfile();
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny())).returns(() => Promise.resolve([]));
+		testContext.serverConfigManager.setup(x => x.getRPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => Promise.resolve([]));
 
 		let provider = createProvider(testContext);
-		let actual = await provider.listPackages();
+		let actual = await provider.listPackages(connection.databaseName);
 		let expected: nbExtensionApis.IPackageDetails[] = [];
 		should.deepEqual(actual, expected);
 	});
@@ -118,7 +117,7 @@ describe('SQL R Package Manager', () => {
 		});
 
 		let provider = createProvider(testContext);
-		await provider.installPackages(packages, false);
+		await provider.installPackages(packages, false, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, true);
 	});
@@ -157,7 +156,7 @@ describe('SQL R Package Manager', () => {
 		});
 
 		let provider = createProvider(testContext);
-		await provider.uninstallPackages(packages);
+		await provider.uninstallPackages(packages, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, true);
 	});
@@ -179,7 +178,7 @@ describe('SQL R Package Manager', () => {
 
 
 		let provider = createProvider(testContext);
-		await provider.installPackages(packages, false);
+		await provider.installPackages(packages, false, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, false);
 	});
@@ -201,7 +200,7 @@ describe('SQL R Package Manager', () => {
 
 
 		let provider = createProvider(testContext);
-		await provider.uninstallPackages(packages);
+		await provider.uninstallPackages(packages, connection.databaseName);
 
 		should.deepEqual(packagesUpdated, false);
 	});
@@ -271,42 +270,44 @@ describe('SQL R Package Manager', () => {
 		should.deepEqual(actual, packagePreview);
 	});
 
-	it('getLocationTitle Should default string for no connection', async function (): Promise<void> {
+	it('getLocations Should return empty array for no connection', async function (): Promise<void> {
 		let testContext = createContext();
 		let connection: azdata.connection.ConnectionProfile;
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
 
 		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
+		let actual = await provider.getLocations();
 
-		should.deepEqual(actual, constants.noConnectionError);
+		should.deepEqual(actual, []);
 	});
 
-	it('getLocationTitle Should return connection title string for valid connection', async function (): Promise<void> {
+	it('getLocations Should return database names for valid connection', async function (): Promise<void> {
 		let testContext = createContext();
 
 		let connection = new azdata.connection.ConnectionProfile();
 		connection.serverName = 'serverName';
 		connection.databaseName = 'databaseName';
+		const databaseNames = [
+			'db1',
+			'db2'
+		];
+		const expected = [
+			{
+				displayName: 'db1',
+				name: 'db1'
+			},
+			{
+				displayName: 'db2',
+				name: 'db2'
+			}
+		];
 		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
+		testContext.apiWrapper.setup(x => x.listDatabases(connection.connectionId)).returns(() => { return Promise.resolve(databaseNames); });
 
 		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
+		let actual = await provider.getLocations();
 
-		should.deepEqual(actual, `${connection.serverName} ${connection.databaseName}`);
-	});
-
-	it('getLocationTitle Should return server name as connection title if there is not database name', async function (): Promise<void> {
-		let testContext = createContext();
-
-		let connection = new azdata.connection.ConnectionProfile();
-		connection.serverName = 'serverName';
-		testContext.apiWrapper.setup(x => x.getCurrentConnection()).returns(() => { return Promise.resolve(connection); });
-
-		let provider = createProvider(testContext);
-		let actual = await provider.getLocationTitle();
-
-		should.deepEqual(actual, `${connection.serverName} `);
+		should.deepEqual(actual, expected);
 	});
 
 	function createProvider(testContext: TestContext): SqlRPackageManageProvider {

extensions/machine-learning-services/src/test/queryRunner.test.ts

@@ -59,7 +59,7 @@ describe('Query Runner', () => {
 		let queryProvider: azdata.QueryProvider;
 		testContext.apiWrapper.setup(x => x.getProvider<azdata.QueryProvider>(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => queryProvider);
 
-		let actual = await queryRunner.getPythonPackages(connection);
+		let actual = await queryRunner.getPythonPackages(connection, connection.databaseName);
 		should.deepEqual(actual, []);
 	});
 
@@ -70,7 +70,7 @@ describe('Query Runner', () => {
 		testContext.queryProvider.runQueryAndReturn = () => { return Promise.reject(); };
 		testContext.apiWrapper.setup(x => x.getProvider<azdata.QueryProvider>(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => testContext.queryProvider);
 
-		let actual = await queryRunner.getPythonPackages(connection);
+		let actual = await queryRunner.getPythonPackages(connection, connection.databaseName);
 		should.deepEqual(actual, []);
 	});
 
@@ -117,7 +117,7 @@ describe('Query Runner', () => {
 		testContext.queryProvider.runQueryAndReturn = () => { return Promise.resolve(result); };
 		testContext.apiWrapper.setup(x => x.getProvider<azdata.QueryProvider>(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => testContext.queryProvider);
 
-		let actual = await queryRunner.getPythonPackages(connection);
+		let actual = await queryRunner.getPythonPackages(connection, connection.databaseName);
 
 		should.deepEqual(actual, expected);
 	});
@@ -138,7 +138,7 @@ describe('Query Runner', () => {
 		testContext.queryProvider.runQueryAndReturn = () => { return Promise.resolve(result); };
 		testContext.apiWrapper.setup(x => x.getProvider<azdata.QueryProvider>(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns(() => testContext.queryProvider);
 
-		let actual = await queryRunner.getPythonPackages(connection);
+		let actual = await queryRunner.getPythonPackages(connection, connection.databaseName);
 
 		should.deepEqual(actual, expected);
 	});

extensions/machine-learning-services/src/typings/notebookServices.d.ts

@@ -51,13 +51,56 @@ export interface IPackageOverview {
 	summary: string;
 }
 
-export interface IPackageManageProvider {
-	providerId: string;
-	packageTarget: IPackageTarget;
-	listPackages(): Promise<IPackageDetails[]>
-	installPackages(package: IPackageDetails[], useMinVersion: boolean): Promise<void>;
-	uninstallPackages(package: IPackageDetails[]): Promise<void>;
-	canUseProvider(): Promise<boolean>;
-	getLocationTitle(): Promise<string>;
-	getPackageOverview(packageName: string): Promise<IPackageOverview>
+export interface IPackageLocation {
+	name: string;
+	displayName: string;
+}
+
+/**
+ * Package manage provider interface
+ */
+export interface IPackageManageProvider {
+	/**
+	 * Provider id
+	 */
+	providerId: string;
+
+	/**
+	 * package target
+	 */
+	packageTarget: IPackageTarget;
+
+	/**
+	 * Returns list of installed packages
+	 */
+	listPackages(location?: string): Promise<IPackageDetails[]>;
+
+	/**
+	 * Installs give packages
+	 * @param package Packages to install
+	 * @param useMinVersion if true, minimal version will be used
+	 */
+	installPackages(package: IPackageDetails[], useMinVersion: boolean, location?: string): Promise<void>;
+
+	/**
+	 * Uninstalls given packages
+	 * @param package package to uninstall
+	 */
+	uninstallPackages(package: IPackageDetails[], location?: string): Promise<void>;
+
+	/**
+	 * Returns true if the provider can be used in current context
+	 */
+	canUseProvider(): Promise<boolean>;
+
+	/**
+	 * Returns location title
+	 */
+	getLocations(): Promise<IPackageLocation[]>;
+
+	/**
+	 * Returns Package Overview
+	 * @param packageName package name
+	 */
+	getPackageOverview(packageName: string): Promise<IPackageOverview>;
 }

extensions/notebook/src/dialog/managePackages/addNewPackageTab.ts

@@ -147,7 +147,7 @@ export class AddNewPackageTab {
 
 			let pipPackage: PipPackageOverview;
 			pipPackage = await this.dialog.model.getPackageOverview(packageName);
-			if (!pipPackage.versions || pipPackage.versions.length === 0) {
+			if (!pipPackage?.versions || pipPackage.versions.length === 0) {
 				this.dialog.showErrorMessage(
 					localize('managePackages.noVersionsFound',
 						"Could not find any valid versions for the specified package"));

extensions/notebook/src/dialog/managePackages/installedPackagesTab.ts

@@ -20,11 +20,13 @@ export class InstalledPackagesTab {
 	private installedPkgTab: azdata.window.DialogTab;
 
 	private packageTypeDropdown: azdata.DropDownComponent;
-	private locationComponent: azdata.TextComponent;
+	private locationComponent: azdata.Component;
 	private installedPackageCount: azdata.TextComponent;
 	private installedPackagesTable: azdata.TableComponent;
 	private installedPackagesLoader: azdata.LoadingComponent;
 	private uninstallPackageButton: azdata.ButtonComponent;
+	private view: azdata.ModelView | undefined;
+	private formBuilder: azdata.FormBuilder;
 
 	constructor(private dialog: ManagePackagesDialog, private jupyterInstallation: JupyterServerInstallation) {
 		this.prompter = new CodeAdapter();
@@ -32,14 +34,7 @@ export class InstalledPackagesTab {
 		this.installedPkgTab = azdata.window.createTab(localize('managePackages.installedTabTitle', "Installed"));
 
 		this.installedPkgTab.registerContent(async view => {
-
-			// TODO: only supporting single location for now. We should add a drop down for multi locations mode
-			//
-			let locationTitle = await this.dialog.model.getLocationTitle();
-			this.locationComponent = view.modelBuilder.text().withProperties({
-				value: locationTitle
-			}).component();
-
+			this.view = view;
 			let dropdownValues = this.dialog.model.getPackageTypes().map(x => {
 				return {
 					name: x.providerId,
@@ -52,11 +47,17 @@ export class InstalledPackagesTab {
 				value: defaultPackageType
 			}).component();
 			this.dialog.changeProvider(defaultPackageType.providerId);
-			this.packageTypeDropdown.onValueChanged(() => {
-				this.dialog.resetPages((<azdata.CategoryValue>this.packageTypeDropdown.value).name)
-					.catch(err => {
-						this.dialog.showErrorMessage(utils.getErrorMessage(err));
-					});
+			this.packageTypeDropdown.onValueChanged(async () => {
+				this.dialog.changeProvider((<azdata.CategoryValue>this.packageTypeDropdown.value).name);
+				try {
+					await this.resetLocations();
+					await this.dialog.resetPages();
+				}
+				catch (err) {
+					this.dialog.showErrorMessage(utils.getErrorMessage(err));
+
+				}
+
 			});
 
 			this.installedPackageCount = view.modelBuilder.text().withProperties({
@@ -81,11 +82,8 @@ export class InstalledPackagesTab {
 				}).component();
 			this.uninstallPackageButton.onDidClick(() => this.doUninstallPackage());
 
-			let formModel = view.modelBuilder.formContainer()
+			this.formBuilder = view.modelBuilder.formContainer()
 				.withFormItems([{
-					component: this.locationComponent,
-					title: localize('managePackages.location', "Location")
-				}, {
 					component: this.packageTypeDropdown,
 					title: localize('managePackages.packageType', "Package Type")
 				}, {
@@ -97,10 +95,11 @@ export class InstalledPackagesTab {
 				}, {
 					component: this.uninstallPackageButton,
 					title: ''
-				}]).component();
+				}]);
+			await this.resetLocations();
 
 			this.installedPackagesLoader = view.modelBuilder.loadingComponent()
-				.withItem(formModel)
+				.withItem(this.formBuilder.component())
 				.withProperties({
 					loading: true
 				}).component();
@@ -112,6 +111,68 @@ export class InstalledPackagesTab {
 		});
 	}
 
+	private async resetLocations(): Promise<void> {
+		if (this.view) {
+			if (this.locationComponent) {
+				this.formBuilder.removeFormItem({
+					component: this.locationComponent,
+					title: localize('managePackages.location', "Location")
+				});
+			}
+
+			this.locationComponent = await InstalledPackagesTab.getLocationComponent(this.view, this.dialog);
+
+			this.formBuilder.insertFormItem({
+				component: this.locationComponent,
+				title: localize('managePackages.location', "Location")
+			}, 1);
+		}
+	}
+
+	/**
+	 * Creates a component for package locations
+	 * @param view Model view
+	 * @param dialog Manage package dialog
+	 */
+	public static async getLocationComponent(view: azdata.ModelView, dialog: ManagePackagesDialog): Promise<azdata.Component> {
+		const locations = await dialog.model.getLocations();
+		let component: azdata.Component;
+		if (locations && locations.length === 1) {
+			component = view.modelBuilder.text().withProperties({
+				value: locations[0].displayName
+			}).component();
+		} else if (locations) {
+			let dropdownValues = locations.map(x => {
+				return {
+					name: x.name,
+					displayName: x.displayName
+				};
+			});
+			let locationDropDown = view.modelBuilder.dropDown().withProperties({
+				values: dropdownValues,
+				value: dropdownValues[0]
+			}).component();
+
+			locationDropDown.onValueChanged(async () => {
+				dialog.changeLocation((<azdata.CategoryValue>locationDropDown.value).name);
+				try {
+					await dialog.resetPages();
+				}
+				catch (err) {
+					dialog.showErrorMessage(utils.getErrorMessage(err));
+				}
+			});
+			component = locationDropDown;
+		} else {
+			component = view.modelBuilder.text().withProperties({
+			}).component();
+		}
+		if (locations && locations.length > 0) {
+			dialog.changeLocation(locations[0].name);
+		}
+		return component;
+	}
+
 	public get tab(): azdata.window.DialogTab {
 		return this.installedPkgTab;
 	}

extensions/notebook/src/dialog/managePackages/managePackagesDialog.ts

@@ -67,14 +67,17 @@ export class ManagePackagesDialog {
 	}
 
 	/**
-	 * Resets the tabs for given provider Id
-	 * @param providerId Package Management Provider Id
+	 * Changes the current location
+	 * @param location location name
 	 */
-	public async resetPages(providerId: string): Promise<void> {
+	public changeLocation(location: string): void {
+		this.model.changeLocation(location);
+	}
 
-		// Change the provider in the model
-		//
-		this.changeProvider(providerId);
+	/**
+	 * Resets the tabs for given provider Id
+	 */
+	public async resetPages(): Promise<void> {
 
 		// Load packages for given provider
 		//

extensions/notebook/src/dialog/managePackages/managePackagesDialogModel.ts

@@ -4,10 +4,9 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { JupyterServerInstallation } from '../../jupyter/jupyterServerInstallation';
-import { IPackageManageProvider, IPackageDetails, IPackageOverview } from '../../types';
+import { IPackageManageProvider, IPackageDetails, IPackageOverview, IPackageLocation } from '../../types';
 
 export interface ManagePackageDialogOptions {
-	multiLocations: boolean;
 	defaultLocation?: string;
 	defaultProviderId?: string;
 }
@@ -23,11 +22,12 @@ export interface ProviderPackageType {
 export class ManagePackagesDialogModel {
 
 	private _currentProvider: string;
+	private _currentLocation: string;
 
 	/**
 	 * A set for locations
 	 */
-	private _locations: Set<string> = new Set<string>();
+	private _locationTypes: Set<string> = new Set<string>();
 
 	/**
 	 * Map of locations to providers
@@ -77,15 +77,10 @@ export class ManagePackagesDialogModel {
 		if (this._options.defaultProviderId && !this._packageManageProviders.has(this._options.defaultProviderId)) {
 			throw new Error(`Invalid default provider id '${this._options.defaultProviderId}`);
 		}
-
-		if (!this._options.multiLocations && !this.defaultLocation) {
-			throw new Error('Default location not specified for single location mode');
-		}
 	}
 
 	private get defaultOptions(): ManagePackageDialogOptions {
 		return {
-			multiLocations: true,
 			defaultLocation: undefined,
 			defaultProviderId: undefined
 		};
@@ -120,13 +115,6 @@ export class ManagePackagesDialogModel {
 		return undefined;
 	}
 
-	/**
-	 * Returns true if multi locations mode is enabled
-	 */
-	public get multiLocationMode(): boolean {
-		return this.options.multiLocations;
-	}
-
 	/**
 	 * Returns options
 	 */
@@ -135,17 +123,17 @@ export class ManagePackagesDialogModel {
 	}
 
 	/**
-	 * returns the array of target locations
+	 * returns the array of target location types
 	 */
-	public get targetLocations(): string[] {
-		return Array.from(this._locations.keys());
+	public get targetLocationTypes(): string[] {
+		return Array.from(this._locationTypes.keys());
 	}
 
 	/**
 	 * Returns the default location
 	 */
 	public get defaultLocation(): string {
-		return this.options.defaultLocation || this.targetLocations[0];
+		return this.options.defaultLocation || this.targetLocationTypes[0];
 	}
 
 	/**
@@ -164,8 +152,8 @@ export class ManagePackagesDialogModel {
 			for (let index = 0; index < keyArray.length; index++) {
 				const element = this.packageManageProviders.get(keyArray[index]);
 				if (await element.canUseProvider()) {
-					if (!this._locations.has(element.packageTarget.location)) {
-						this._locations.add(element.packageTarget.location);
+					if (!this._locationTypes.has(element.packageTarget.location)) {
+						this._locationTypes.add(element.packageTarget.location);
 					}
 					if (!this._packageTypes.has(element.packageTarget.location)) {
 						this._packageTypes.set(element.packageTarget.location, []);
@@ -205,7 +193,7 @@ export class ManagePackagesDialogModel {
 	public async listPackages(): Promise<IPackageDetails[]> {
 		let provider = this.currentPackageManageProvider;
 		if (provider) {
-			return await provider.listPackages();
+			return await provider.listPackages(this._currentLocation);
 		} else {
 			throw new Error('Current Provider is not set');
 		}
@@ -222,6 +210,13 @@ export class ManagePackagesDialogModel {
 		}
 	}
 
+	/**
+	 * Changes the current location
+	 */
+	public changeLocation(location: string): void {
+		this._currentLocation = location;
+	}
+
 	/**
 	 * Installs given packages using current provider
 	 * @param packages Packages to install
@@ -229,7 +224,7 @@ export class ManagePackagesDialogModel {
 	public async installPackages(packages: IPackageDetails[]): Promise<void> {
 		let provider = this.currentPackageManageProvider;
 		if (provider) {
-			await provider.installPackages(packages, false);
+			await provider.installPackages(packages, false, this._currentLocation);
 		} else {
 			throw new Error('Current Provider is not set');
 		}
@@ -238,10 +233,10 @@ export class ManagePackagesDialogModel {
 	/**
 	 * Returns the location title for current provider
 	 */
-	public async getLocationTitle(): Promise<string | undefined> {
+	public async getLocations(): Promise<IPackageLocation[] | undefined> {
 		let provider = this.currentPackageManageProvider;
 		if (provider) {
-			return await provider.getLocationTitle();
+			return await provider.getLocations();
 		}
 		return Promise.resolve(undefined);
 	}
@@ -253,7 +248,7 @@ export class ManagePackagesDialogModel {
 	public async uninstallPackages(packages: IPackageDetails[]): Promise<void> {
 		let provider = this.currentPackageManageProvider;
 		if (provider) {
-			await provider.uninstallPackages(packages);
+			await provider.uninstallPackages(packages, this._currentLocation);
 		} else {
 			throw new Error('Current Provider is not set');
 		}

extensions/notebook/src/jupyter/jupyterController.ts

@@ -207,7 +207,6 @@ export class JupyterController implements vscode.Disposable {
 		try {
 			if (!options) {
 				options = {
-					multiLocations: false,
 					defaultLocation: constants.localhostName,
 					defaultProviderId: LocalPipPackageManageProvider.ProviderId
 				};

extensions/notebook/src/jupyter/localCondaPackageManageProvider.ts

@@ -3,7 +3,7 @@
  *  Licensed under the Source EULA. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { IPackageManageProvider, IPackageDetails, IPackageTarget, IPackageOverview } from '../types';
+import { IPackageManageProvider, IPackageDetails, IPackageTarget, IPackageOverview, IPackageLocation } from '../types';
 import { IJupyterServerInstallation } from './jupyterServerInstallation';
 import * as constants from '../common/constants';
 import * as utils from '../common/utils';
@@ -35,7 +35,7 @@ export class LocalCondaPackageManageProvider implements IPackageManageProvider {
 	/**
 	 * Returns list of packages
 	 */
-	public async listPackages(): Promise<IPackageDetails[]> {
+	public async listPackages(location?: string): Promise<IPackageDetails[]> {
 		return await this.jupyterInstallation.getInstalledCondaPackages();
 	}
 
@@ -44,7 +44,7 @@ export class LocalCondaPackageManageProvider implements IPackageManageProvider {
 	 * @param packages Packages to install
 	 * @param useMinVersion minimum version
 	 */
-	installPackages(packages: IPackageDetails[], useMinVersion: boolean): Promise<void> {
+	installPackages(packages: IPackageDetails[], useMinVersion: boolean, location?: string): Promise<void> {
 		return this.jupyterInstallation.installCondaPackages(packages, useMinVersion);
 	}
 
@@ -52,7 +52,7 @@ export class LocalCondaPackageManageProvider implements IPackageManageProvider {
 	 * Uninstalls given packages
 	 * @param packages Packages to uninstall
 	 */
-	uninstallPackages(packages: IPackageDetails[]): Promise<void> {
+	uninstallPackages(packages: IPackageDetails[], location?: string): Promise<void> {
 		return this.jupyterInstallation.uninstallCondaPackages(packages);
 	}
 
@@ -66,8 +66,8 @@ export class LocalCondaPackageManageProvider implements IPackageManageProvider {
 	/**
 	 * Returns location title
 	 */
-	getLocationTitle(): Promise<string> {
-		return Promise.resolve(constants.localhostTitle);
+	getLocations(): Promise<IPackageLocation[]> {
+		return Promise.resolve([{ displayName: constants.localhostTitle, name: constants.localhostName }]);
 	}
 
 	/**

extensions/notebook/src/jupyter/localPipPackageManageProvider.ts

@@ -3,7 +3,7 @@
  *  Licensed under the Source EULA. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { IPackageManageProvider, IPackageDetails, IPackageTarget, IPackageOverview } from '../types';
+import { IPackageManageProvider, IPackageDetails, IPackageTarget, IPackageOverview, IPackageLocation } from '../types';
 import { IJupyterServerInstallation } from './jupyterServerInstallation';
 import * as constants from '../common/constants';
 import * as utils from '../common/utils';
@@ -38,7 +38,7 @@ export class LocalPipPackageManageProvider implements IPackageManageProvider {
 	/**
 	 * Returns list of packages
 	 */
-	public async listPackages(): Promise<IPackageDetails[]> {
+	public async listPackages(location?: string): Promise<IPackageDetails[]> {
 		return await this.jupyterInstallation.getInstalledPipPackages();
 	}
 
@@ -47,7 +47,7 @@ export class LocalPipPackageManageProvider implements IPackageManageProvider {
 	 * @param packages Packages to install
 	 * @param useMinVersion minimum version
 	 */
-	installPackages(packages: IPackageDetails[], useMinVersion: boolean): Promise<void> {
+	installPackages(packages: IPackageDetails[], useMinVersion: boolean, location?: string): Promise<void> {
 		return this.jupyterInstallation.installPipPackages(packages, useMinVersion);
 	}
 
@@ -55,7 +55,7 @@ export class LocalPipPackageManageProvider implements IPackageManageProvider {
 	 * Uninstalls given packages
 	 * @param packages Packages to uninstall
 	 */
-	uninstallPackages(packages: IPackageDetails[]): Promise<void> {
+	uninstallPackages(packages: IPackageDetails[], location?: string): Promise<void> {
 		return this.jupyterInstallation.uninstallPipPackages(packages);
 	}
 
@@ -69,8 +69,8 @@ export class LocalPipPackageManageProvider implements IPackageManageProvider {
 	/**
 	 * Returns location title
 	 */
-	getLocationTitle(): Promise<string> {
-		return Promise.resolve(constants.localhostTitle);
+	getLocations(): Promise<IPackageLocation[]> {
+		return Promise.resolve([{ displayName: constants.localhostTitle, name: constants.localhostName }]);
 	}
 
 	/**

extensions/notebook/src/test/managePackages/managePackagesDialog.test.ts

@@ -0,0 +1,295 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as azdata from 'azdata';
+import * as vscode from 'vscode';
+import * as TypeMoq from 'typemoq';
+import { ManagePackagesDialog } from '../../dialog/managePackages/managePackagesDialog';
+import { ManagePackagesDialogModel } from '../../dialog/managePackages/managePackagesDialogModel';
+import { IPackageManageProvider, IPackageLocation } from '../../types';
+import { LocalCondaPackageManageProvider } from '../../jupyter/localCondaPackageManageProvider';
+import { InstalledPackagesTab } from '../../dialog/managePackages/installedPackagesTab';
+import should = require('should');
+
+interface TestContext {
+	view: azdata.ModelView;
+	onClick: vscode.EventEmitter<any>;
+	dialog: TypeMoq.IMock<ManagePackagesDialog>;
+	model: TypeMoq.IMock<ManagePackagesDialogModel>;
+}
+
+describe('Manage Package Dialog', () => {
+
+	it('getLocationComponent should create text component for one location', async function (): Promise<void> {
+		let testContext = createViewContext();
+		let locations = [
+			{
+				displayName: 'dl1',
+				name: 'nl1'
+			}
+		];
+		testContext.model.setup(x => x.getLocations()).returns(() => Promise.resolve(locations));
+		testContext.model.setup(x => x.changeLocation('nl1'));
+		testContext.dialog.setup(x => x.changeLocation('nl1'));
+
+		let actual = await InstalledPackagesTab.getLocationComponent(testContext.view, testContext.dialog.object);
+		should.equal('onTextChanged' in actual, true);
+		testContext.dialog.verify(x => x.changeLocation('nl1'), TypeMoq.Times.once());
+	});
+
+	it('getLocationComponent should create text component for undefined location', async function (): Promise<void> {
+		let testContext = createViewContext();
+		let locations: IPackageLocation[] | undefined  = undefined;
+		testContext.model.setup(x => x.getLocations()).returns(() => Promise.resolve(locations));
+
+		let actual = await InstalledPackagesTab.getLocationComponent(testContext.view, testContext.dialog.object);
+		should.equal('onTextChanged' in actual, true);
+	});
+
+	it('getLocationComponent should create drop down component for more than one location', async function (): Promise<void> {
+		let testContext = createViewContext();
+		let locations = [
+			{
+				displayName: 'dl1',
+				name: 'nl1'
+			},
+			{
+				displayName: 'dl2',
+				name: 'nl2'
+			}
+		];
+		testContext.model.setup(x => x.getLocations()).returns(() => Promise.resolve(locations));
+		testContext.dialog.setup(x => x.changeLocation('nl1'));
+		testContext.dialog.setup(x => x.resetPages()).returns(() => Promise.resolve());
+
+		let actual = await InstalledPackagesTab.getLocationComponent(testContext.view, testContext.dialog.object);
+		should.equal('onValueChanged' in actual, true);
+		testContext.dialog.verify(x => x.changeLocation('nl1'), TypeMoq.Times.once());
+		(<azdata.DropDownComponent>actual).value = {
+			displayName: 'dl2',
+			name: 'nl2'
+		};
+		testContext.onClick.fire();
+		testContext.dialog.verify(x => x.changeLocation('nl2'), TypeMoq.Times.once());
+		testContext.dialog.verify(x => x.resetPages(), TypeMoq.Times.once());
+
+	});
+
+	it('getLocationComponent should show error if reset pages fails', async function (): Promise<void> {
+		let testContext = createViewContext();
+		let locations = [
+			{
+				displayName: 'dl1',
+				name: 'nl1'
+			},
+			{
+				displayName: 'dl2',
+				name: 'nl2'
+			}
+		];
+		testContext.model.setup(x => x.getLocations()).returns(() => Promise.resolve(locations));
+		testContext.dialog.setup(x => x.changeLocation('nl1'));
+		testContext.dialog.setup(x => x.resetPages()).throws(new Error('failed'));
+		testContext.dialog.setup(x => x.showErrorMessage(TypeMoq.It.isAny())).returns(() => Promise.resolve());
+
+		let actual = await InstalledPackagesTab.getLocationComponent(testContext.view, testContext.dialog.object);
+		should.equal('onValueChanged' in actual, true);
+		testContext.dialog.verify(x => x.changeLocation('nl1'), TypeMoq.Times.once());
+		(<azdata.DropDownComponent>actual).value = {
+			displayName: 'dl2',
+			name: 'nl2'
+		};
+		testContext.onClick.fire();
+		testContext.dialog.verify(x => x.changeLocation('nl2'), TypeMoq.Times.once());
+		testContext.dialog.verify(x => x.showErrorMessage(TypeMoq.It.isAny()), TypeMoq.Times.once());
+
+	});
+
+	function createViewContext(): TestContext {
+		let packageManageProviders = new Map<string, IPackageManageProvider>();
+		packageManageProviders.set(LocalCondaPackageManageProvider.ProviderId, new LocalCondaPackageManageProvider(undefined));
+		let model = TypeMoq.Mock.ofInstance(new ManagePackagesDialogModel(undefined, packageManageProviders));
+		let dialog = TypeMoq.Mock.ofInstance(new ManagePackagesDialog(model.object));
+		dialog.setup(x => x.model).returns(() => model.object);
+
+		let onClick: vscode.EventEmitter<any> = new vscode.EventEmitter<any>();
+
+		let componentBase: azdata.Component = {
+			id: '',
+			updateProperties: () => Promise.resolve(),
+			updateProperty: () => Promise.resolve(),
+			updateCssStyles: undefined!,
+			onValidityChanged: undefined!,
+			valid: true,
+			validate: undefined!,
+			focus: undefined!
+		};
+		let button: azdata.ButtonComponent = Object.assign({}, componentBase, {
+			onDidClick: onClick.event
+		});
+		let radioButton: azdata.RadioButtonComponent = Object.assign({}, componentBase, {
+			onDidClick: onClick.event
+		});
+		const components: azdata.Component[] = [];
+		let container = {
+			clearItems: () => { },
+			addItems: () => { },
+			addItem: () => { },
+			removeItem: () => true,
+			insertItem: () => { },
+			items: components,
+			setLayout: () => { }
+		};
+		let form: azdata.FormContainer = Object.assign({}, componentBase, container, {
+		});
+		let flex: azdata.FlexContainer = Object.assign({}, componentBase, container, {
+		});
+
+		let buttonBuilder: azdata.ComponentBuilder<azdata.ButtonComponent> = {
+			component: () => button,
+			withProperties: () => buttonBuilder,
+			withValidation: () => buttonBuilder
+		};
+		let radioButtonBuilder: azdata.ComponentBuilder<azdata.ButtonComponent> = {
+			component: () => radioButton,
+			withProperties: () => radioButtonBuilder,
+			withValidation: () => radioButtonBuilder
+		};
+		let inputBox: () => azdata.InputBoxComponent = () => Object.assign({}, componentBase, {
+			onTextChanged: undefined!,
+			onEnterKeyPressed: undefined!,
+			value: ''
+		});
+		let image: () => azdata.ImageComponent = () => Object.assign({}, componentBase, {
+
+		});
+		let dropdown: () => azdata.DropDownComponent = () => Object.assign({}, componentBase, {
+			onValueChanged: onClick.event,
+			value: {
+				name: '',
+				displayName: ''
+			},
+			values: []
+		});
+		let declarativeTable: () => azdata.DeclarativeTableComponent = () => Object.assign({}, componentBase, {
+			onDataChanged: undefined!,
+			data: [],
+			columns: []
+		});
+
+		let loadingComponent: () => azdata.LoadingComponent = () => Object.assign({}, componentBase, {
+			loading: false,
+			component: undefined!
+		});
+
+		let declarativeTableBuilder: azdata.ComponentBuilder<azdata.DeclarativeTableComponent> = {
+			component: () => declarativeTable(),
+			withProperties: () => declarativeTableBuilder,
+			withValidation: () => declarativeTableBuilder
+		};
+
+		let loadingBuilder: azdata.LoadingComponentBuilder = {
+			component: () => loadingComponent(),
+			withProperties: () => loadingBuilder,
+			withValidation: () => loadingBuilder,
+			withItem: () => loadingBuilder
+		};
+
+		let formBuilder: azdata.FormBuilder = Object.assign({}, {
+			component: () => form,
+			addFormItem: () => { },
+			insertFormItem: () => { },
+			removeFormItem: () => true,
+			addFormItems: () => { },
+			withFormItems: () => formBuilder,
+			withProperties: () => formBuilder,
+			withValidation: () => formBuilder,
+			withItems: () => formBuilder,
+			withLayout: () => formBuilder
+		});
+
+		let flexBuilder: azdata.FlexBuilder = Object.assign({}, {
+			component: () => flex,
+			withProperties: () => flexBuilder,
+			withValidation: () => flexBuilder,
+			withItems: () => flexBuilder,
+			withLayout: () => flexBuilder
+		});
+
+		let inputBoxBuilder: azdata.ComponentBuilder<azdata.InputBoxComponent> = {
+			component: () => {
+				let r = inputBox();
+				return r;
+			},
+			withProperties: () => inputBoxBuilder,
+			withValidation: () => inputBoxBuilder
+		};
+		let imageBuilder: azdata.ComponentBuilder<azdata.ImageComponent> = {
+			component: () => {
+				let r = image();
+				return r;
+			},
+			withProperties: () => imageBuilder,
+			withValidation: () => imageBuilder
+		};
+		let dropdownBuilder: azdata.ComponentBuilder<azdata.DropDownComponent> = {
+			component: () => {
+				let r = dropdown();
+				return r;
+			},
+			withProperties: () => dropdownBuilder,
+			withValidation: () => dropdownBuilder
+		};
+
+		let view: azdata.ModelView = {
+			onClosed: undefined!,
+			connection: undefined!,
+			serverInfo: undefined!,
+			valid: true,
+			onValidityChanged: undefined!,
+			validate: undefined!,
+			initializeModel: () => { return Promise.resolve(); },
+			modelBuilder: {
+				radioCardGroup: undefined!,
+				navContainer: undefined!,
+				divContainer: undefined!,
+				flexContainer: () => flexBuilder,
+				splitViewContainer: undefined!,
+				dom: undefined!,
+				card: undefined!,
+				inputBox: () => inputBoxBuilder,
+				checkBox: undefined!,
+				radioButton: () => radioButtonBuilder,
+				webView: undefined!,
+				editor: undefined!,
+				diffeditor: undefined!,
+				text: () => inputBoxBuilder,
+				image: () => imageBuilder,
+				button: () => buttonBuilder,
+				dropDown: () => dropdownBuilder,
+				tree: undefined!,
+				listBox: undefined!,
+				table: undefined!,
+				declarativeTable: () => declarativeTableBuilder,
+				dashboardWidget: undefined!,
+				dashboardWebview: undefined!,
+				formContainer: () => formBuilder,
+				groupContainer: undefined!,
+				toolbarContainer: undefined!,
+				loadingComponent: () => loadingBuilder,
+				fileBrowserTree: undefined!,
+				hyperlink: undefined!,
+				tabbedPanel: undefined!,
+				separator: undefined!
+			}
+		};
+
+		return {
+			dialog: dialog,
+			model: model,
+			view: view,
+			onClick: onClick,
+		};
+	}
+});

extensions/notebook/src/test/managePackages/managePackagesDialogModel.test.ts

@@ -50,7 +50,6 @@ describe('Manage Packages', () => {
 		providers.set(provider.providerId, provider);
 
 		let options = {
-			multiLocations: true,
 			defaultLocation: 'invalid location'
 		};
 		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, options);
@@ -64,29 +63,12 @@ describe('Manage Packages', () => {
 		providers.set(provider.providerId, provider);
 
 		let options = {
-			multiLocations: true,
 			defaultProviderId: 'invalid provider'
 		};
 		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, options);
 		await should(model.init()).rejectedWith(`Invalid default provider id '${options.defaultProviderId}`);
 	});
 
-	/* Test disabled. Tracking issue: https://github.com/microsoft/azuredatastudio/issues/8877
-	it('Init should throw exception not given valid default location for single location mode', async function (): Promise<void> {
-		let testContext = createContext();
-		let provider = createProvider(testContext);
-		let providers = new Map<string, IPackageManageProvider>();
-		providers.set(provider.providerId, provider);
-
-		let options = {
-			multiLocations: false
-		};
-		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, options);
-		await should(model.init()).rejectedWith(`Default location not specified for single location mode`);
-	});
-	*/
-
-
 	it('Init should set default options given undefined', async function (): Promise<void> {
 		let testContext = createContext();
 		let provider = createProvider(testContext);
@@ -96,7 +78,6 @@ describe('Manage Packages', () => {
 		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, undefined);
 
 		await model.init();
-		should.equal(model.multiLocationMode, true);
 		should.equal(model.defaultLocation, provider.packageTarget.location);
 		should.equal(model.defaultProviderId, provider.providerId);
 	});
@@ -119,14 +100,12 @@ describe('Manage Packages', () => {
 		providers.set(testContext1.provider.providerId, createProvider(testContext1));
 		providers.set(testContext2.provider.providerId, createProvider(testContext2));
 		let options = {
-			multiLocations: false,
 			defaultLocation: testContext2.provider.packageTarget.location,
 			defaultProviderId: testContext2.provider.providerId
 		};
 		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, options);
 
 		await model.init();
-		should.equal(model.multiLocationMode, false);
 		should.equal(model.defaultLocation, testContext2.provider.packageTarget.location);
 		should.equal(model.defaultProviderId, testContext2.provider.providerId);
 	});
@@ -195,7 +174,7 @@ describe('Manage Packages', () => {
 	it('changeProvider should change current provider successfully', async function (): Promise<void> {
 		let testContext1 = createContext();
 		testContext1.provider.providerId = 'providerId1';
-		testContext1.provider.getLocationTitle = () => Promise.resolve('location title 1');
+		testContext1.provider.getLocations = () => Promise.resolve([{displayName: 'location title 1', name: 'location1'}]);
 		testContext1.provider.packageTarget = {
 			location: 'location1',
 			packageType: 'package-type1'
@@ -203,7 +182,7 @@ describe('Manage Packages', () => {
 
 		let testContext2 = createContext();
 		testContext2.provider.providerId = 'providerId2';
-		testContext2.provider.getLocationTitle = () => Promise.resolve('location title 2');
+		testContext2.provider.getLocations = () => Promise.resolve([{displayName: 'location title 2', name: 'location2'}]);
 		testContext2.provider.packageTarget = {
 			location: 'location2',
 			packageType: 'package-type2'
@@ -217,7 +196,7 @@ describe('Manage Packages', () => {
 
 		await model.init();
 		model.changeProvider('providerId2');
-		should.deepEqual(await model.getLocationTitle(), 'location title 2');
+		should.deepEqual(await model.getLocations(), [{displayName: 'location title 2', name: 'location2'}]);
 	});
 
 	it('changeProvider should throw exception given invalid provider', async function (): Promise<void> {
@@ -283,7 +262,7 @@ describe('Manage Packages', () => {
 
 		let testContext2 = createContext();
 		testContext2.provider.providerId = 'providerId2';
-		testContext2.provider.getLocationTitle = () => Promise.resolve('location title 2');
+		testContext2.provider.getLocations = () => Promise.resolve([{displayName: 'location title 2', name: 'location2'}]);
 		testContext2.provider.packageTarget = {
 			location: 'location2',
 			packageType: 'package-type2'
@@ -301,6 +280,12 @@ describe('Manage Packages', () => {
 		testContext2.provider.listPackages = () => {
 			return Promise.resolve(packages);
 		};
+		testContext1.provider.listPackages = () => {
+			return Promise.resolve([{
+				name: 'p3',
+				version: '1.1.1.3'
+			}]);
+		};
 
 		let providers = new Map<string, IPackageManageProvider>();
 		providers.set(testContext1.provider.providerId, createProvider(testContext1));
@@ -315,7 +300,50 @@ describe('Manage Packages', () => {
 		await should(model.installPackages(packages)).resolved();
 		await should(model.uninstallPackages(packages)).resolved();
 		await should(model.getPackageOverview('p1')).resolved();
-		await should(model.getLocationTitle()).resolvedWith('location title 2');
+		await should(model.getLocations()).resolvedWith([{displayName: 'location title 2', name: 'location2'}]);
+	});
+
+	it('listPackages should return packages for current location', async function (): Promise<void> {
+		let testContext = createContext();
+		testContext.provider.providerId = 'providerId1';
+		testContext.provider.packageTarget = {
+			location: 'location1',
+			packageType: 'package-type1'
+		};
+
+		let packages1 = [
+			{
+				name: 'p1',
+				version: '1.1.1.1'
+			},
+			{
+				name: 'p2',
+				version: '1.1.1.2'
+			}
+		];
+		let packages2 = [{
+			name: 'p3',
+			version: '1.1.1.3'
+		}];
+		testContext.provider.listPackages = (location) => {
+			if (location === 'location1') {
+			return Promise.resolve(packages1);
+			} else {
+				return Promise.resolve(packages2);
+			}
+
+		};
+
+		let providers = new Map<string, IPackageManageProvider>();
+		providers.set(testContext.provider.providerId, createProvider(testContext));
+
+		let model = new ManagePackagesDialogModel(jupyterServerInstallation, providers, undefined);
+
+		await model.init();
+		model.changeProvider('providerId1');
+		model.changeLocation('location2');
+
+		await should(model.listPackages()).resolvedWith(packages2);
 	});
 
 	function createContext(): TestContext {
@@ -327,7 +355,7 @@ describe('Manage Packages', () => {
 					packageType: 'package-type'
 				},
 				canUseProvider: () => { return Promise.resolve(true); },
-				getLocationTitle: () => { return Promise.resolve('location-title'); },
+				getLocations: () => { return Promise.resolve([{displayName: 'location-title', name: 'location'}]); },
 				installPackages:() =>  { return Promise.resolve(); },
 				uninstallPackages: (packages: IPackageDetails[]) => { return Promise.resolve(); },
 				listPackages: () => { return Promise.resolve([]); },
@@ -339,10 +367,10 @@ describe('Manage Packages', () => {
 	function createProvider(testContext: TestContext): IPackageManageProvider {
 		let mockProvider = TypeMoq.Mock.ofType(LocalPipPackageManageProvider);
 		mockProvider.setup(x => x.canUseProvider()).returns(() => testContext.provider.canUseProvider());
-		mockProvider.setup(x => x.getLocationTitle()).returns(() => testContext.provider.getLocationTitle());
-		mockProvider.setup(x => x.installPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((packages, useMinVersion) => testContext.provider.installPackages(packages, useMinVersion));
-		mockProvider.setup(x => x.uninstallPackages(TypeMoq.It.isAny())).returns((packages) => testContext.provider.uninstallPackages(packages));
-		mockProvider.setup(x => x.listPackages()).returns(() => testContext.provider.listPackages());
+		mockProvider.setup(x => x.getLocations()).returns(() => testContext.provider.getLocations());
+		mockProvider.setup(x => x.installPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((packages, useMinVersion) => testContext.provider.installPackages(packages, useMinVersion));
+		mockProvider.setup(x => x.uninstallPackages(TypeMoq.It.isAny(), TypeMoq.It.isAny())).returns((packages) => testContext.provider.uninstallPackages(packages));
+		mockProvider.setup(x => x.listPackages(TypeMoq.It.isAny())).returns(() => testContext.provider.listPackages());
 		mockProvider.setup(x => x.getPackageOverview(TypeMoq.It.isAny())).returns((name) => testContext.provider.getPackageOverview(name));
 		mockProvider.setup(x => x.packageTarget).returns(() => testContext.provider.packageTarget);
 		mockProvider.setup(x => x.providerId).returns(() => testContext.provider.providerId);

extensions/notebook/src/types.d.ts

@@ -65,6 +65,14 @@ export interface IPackageDetails {
 	version: string;
 }
 
+/**
+ * Package location
+ */
+export interface IPackageLocation {
+	name: string;
+	displayName: string;
+}
+
 /**
  * Package target interface
  */
@@ -99,20 +107,22 @@ export interface IPackageManageProvider {
 	/**
 	 * Returns list of installed packages
 	 */
-	listPackages(): Promise<IPackageDetails[]>;
+	listPackages(location?: string): Promise<IPackageDetails[]>;
 
 	/**
 	 * Installs give packages
 	 * @param package Packages to install
 	 * @param useMinVersion if true, minimal version will be used
+	 * @param location package location
 	 */
-	installPackages(package: IPackageDetails[], useMinVersion: boolean): Promise<void>;
+	installPackages(package: IPackageDetails[], useMinVersion: boolean, location?: string): Promise<void>;
 
 	/**
 	 * Uninstalls given packages
 	 * @param package package to uninstall
+	 * @param location package location
 	 */
-	uninstallPackages(package: IPackageDetails[]): Promise<void>;
+	uninstallPackages(package: IPackageDetails[], location?: string): Promise<void>;
 
 	/**
 	 * Returns true if the provider can be used in current context
@@ -122,7 +132,7 @@ export interface IPackageManageProvider {
 	/**
 	 * Returns location title
 	 */
-	getLocationTitle(): Promise<string>;
+	getLocations(): Promise<IPackageLocation[]>;
 
 	/**
 	 * Returns Package Overview