Merged PR posit-dev/positron-python#120: add a progress indicator and cancel button during ipykernel install

Merge pull request #120 from posit-dev/ipykernel-progress-and-cancel

add a progress indicator and cancel button during ipykernel install
--------------------
Commit message for posit-dev/positron-python@d8c04ec:

add a progress indicator and cancel button during ipykernel install


Authored-by: Wasim Lorgat <[email protected]>
Signed-off-by: Wasim Lorgat <[email protected]>

Author: seeM

extensions/positron-python/src/client/activation/jedi/pythonLanguageRuntime.ts

@@ -112,8 +112,14 @@ export class PythonLanguageRuntime implements JupyterLanguageRuntime, Disposable
         // Thow an error if it could not be installed.
         const hasKernel = await this.installer.isInstalled(Product.ipykernel, this.interpreter);
         if (!hasKernel) {
+            // Pass a cancellation token to enable VSCode's progress indicator and let the user
+            // cancel the install.
+            const tokenSource = new vscode.CancellationTokenSource();
+            const installerToken = tokenSource.token;
+
             const response = await this.installer.promptToInstall(Product.ipykernel,
-                this.interpreter, undefined, undefined, this.installOptions);
+                this.interpreter, installerToken, undefined, this.installOptions);
+
             switch (response) {
                 case InstallerResponse.Installed:
                     traceVerbose(`Successfully installed ipykernel for ${this.interpreter?.displayName}`);

extensions/positron-python/src/client/common/installer/moduleInstaller.ts

@@ -14,7 +14,7 @@ import { IApplicationShell } from '../application/types';
 import { wrapCancellationTokens } from '../cancellation';
 import { IFileSystem } from '../platform/types';
 import * as internalPython from '../process/internal/python';
-import { IProcessServiceFactory } from '../process/types';
+import { IProcessServiceFactory, SpawnOptions } from '../process/types';
 import { ITerminalServiceFactory, TerminalCreationOptions } from '../terminal/types';
 import { ExecutionInfo, IConfigurationService, ILogOutputChannel, Product } from '../types';
 import { isResource } from '../utils/misc';
@@ -31,7 +31,7 @@ export abstract class ModuleInstaller implements IModuleInstaller {
 
     public abstract get type(): ModuleInstallerType;
 
-    constructor(protected serviceContainer: IServiceContainer) {}
+    constructor(protected serviceContainer: IServiceContainer) { }
 
     public async installModule(
         productOrModuleName: Product | string,
@@ -230,7 +230,12 @@ export abstract class ModuleInstaller implements IModuleInstaller {
                 );
                 await processService.shellExec(quoted);
             } else {
-                await processService.exec(command, args);
+                // --- Start Positron ---
+                // Pass the cancellation token through so that users can cancel installs via the UI
+                // when executeInTerminal is false
+                const spawnOptions: SpawnOptions = { token };
+                await processService.exec(command, args, spawnOptions);
+                // --- End Positron ---
             }
         }
     }