Set description when contributing PYTHONSTARTUP

Author: anthonykim1

src/client/common/utils/localize.ts

@@ -199,6 +199,7 @@ export namespace Interpreters {
     export const terminalEnvVarCollectionPrompt = l10n.t(
         '{0} environment was successfully activated, even though {1} indicator may not be present in the terminal prompt. [Learn more](https://aka.ms/vscodePythonTerminalActivation).',
     );
+    export const shellIntegrationEnvVarCollectionDescription = l10n.t('Enables Python shell integration via');
     export const terminalDeactivateProgress = l10n.t('Editing {0}...');
     export const restartingTerminal = l10n.t('Restarting terminal and deactivating...');
     export const terminalDeactivatePrompt = l10n.t(

src/client/terminals/pythonStartup.ts

@@ -1,10 +1,11 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.
 
-import { ExtensionContext, Uri } from 'vscode';
+import { ExtensionContext, MarkdownString, Uri } from 'vscode';
 import * as path from 'path';
 import { copy, createDirectory, getConfiguration, onDidChangeConfiguration } from '../common/vscodeApis/workspaceApis';
 import { EXTENSION_ROOT_DIR } from '../constants';
+import { Interpreters } from '../common/utils/localize';
 
 async function applyPythonStartupSetting(context: ExtensionContext): Promise<void> {
     const config = getConfiguration('python');
@@ -23,6 +24,9 @@ async function applyPythonStartupSetting(context: ExtensionContext): Promise<voi
         context.environmentVariableCollection.replace('PYTHONSTARTUP', destPath.fsPath);
         // When shell integration is  enabled, we disable PyREPL from cpython.
         context.environmentVariableCollection.replace('PYTHON_BASIC_REPL', '1');
+        context.environmentVariableCollection.description = new MarkdownString(
+            `${Interpreters.shellIntegrationEnvVarCollectionDescription} \`python.terminal.shellIntegration.enabled\``,
+        );
     } else {
         context.environmentVariableCollection.delete('PYTHONSTARTUP');
         context.environmentVariableCollection.delete('PYTHON_BASIC_REPL');