Restore pixi functionality only when Pixi is available (#24319)

Fixes #24310

Author: karthiknadig

src/client/common/process/pythonExecutionFactory.ts

@@ -25,7 +25,7 @@ import {
 import { IInterpreterAutoSelectionService } from '../../interpreter/autoSelection/types';
 import { sleep } from '../utils/async';
 import { traceError } from '../../logging';
-import { getPixiEnvironmentFromInterpreter } from '../../pythonEnvironments/common/environmentManagers/pixi';
+import { getPixi, getPixiEnvironmentFromInterpreter } from '../../pythonEnvironments/common/environmentManagers/pixi';
 
 @injectable()
 export class PythonExecutionFactory implements IPythonExecutionFactory {
@@ -80,16 +80,18 @@ export class PythonExecutionFactory implements IPythonExecutionFactory {
         }
         const processService: IProcessService = await this.processServiceFactory.create(options.resource);
 
+        if (await getPixi()) {
+            const pixiExecutionService = await this.createPixiExecutionService(pythonPath, processService);
+            if (pixiExecutionService) {
+                return pixiExecutionService;
+            }
+        }
+
         const condaExecutionService = await this.createCondaExecutionService(pythonPath, processService);
         if (condaExecutionService) {
             return condaExecutionService;
         }
 
-        const pixiExecutionService = await this.createPixiExecutionService(pythonPath, processService);
-        if (pixiExecutionService) {
-            return pixiExecutionService;
-        }
-
         const windowsStoreInterpreterCheck = this.pyenvs.isMicrosoftStoreInterpreter.bind(this.pyenvs);
 
         const env = (await windowsStoreInterpreterCheck(pythonPath))
@@ -122,16 +124,18 @@ export class PythonExecutionFactory implements IPythonExecutionFactory {
         processService.on('exec', this.logger.logProcess.bind(this.logger));
         this.disposables.push(processService);
 
+        if (await getPixi()) {
+            const pixiExecutionService = await this.createPixiExecutionService(pythonPath, processService);
+            if (pixiExecutionService) {
+                return pixiExecutionService;
+            }
+        }
+
         const condaExecutionService = await this.createCondaExecutionService(pythonPath, processService);
         if (condaExecutionService) {
             return condaExecutionService;
         }
 
-        const pixiExecutionService = await this.createPixiExecutionService(pythonPath, processService);
-        if (pixiExecutionService) {
-            return pixiExecutionService;
-        }
-
         const env = createPythonEnv(pythonPath, processService, this.fileSystem);
         return createPythonService(processService, env);
     }

src/client/common/terminal/environmentActivationProviders/pixiActivationProvider.ts

@@ -8,13 +8,7 @@ import { inject, injectable } from 'inversify';
 import { Uri } from 'vscode';
 import { IInterpreterService } from '../../../interpreter/contracts';
 import { ITerminalActivationCommandProvider, TerminalShellType } from '../types';
-import { traceError } from '../../../logging';
-import {
-    getPixiEnvironmentFromInterpreter,
-    isNonDefaultPixiEnvironmentName,
-} from '../../../pythonEnvironments/common/environmentManagers/pixi';
-import { exec } from '../../../pythonEnvironments/common/externalDependencies';
-import { splitLines } from '../../stringUtils';
+import { getPixiActivationCommands } from '../../../pythonEnvironments/common/environmentManagers/pixi';
 
 @injectable()
 export class PixiActivationCommandProvider implements ITerminalActivationCommandProvider {
@@ -37,38 +31,11 @@ export class PixiActivationCommandProvider implements ITerminalActivationCommand
         return this.getActivationCommandsForInterpreter(interpreter.path, targetShell);
     }
 
-    public async getActivationCommandsForInterpreter(
+    public getActivationCommandsForInterpreter(
         pythonPath: string,
         targetShell: TerminalShellType,
     ): Promise<string[] | undefined> {
-        const pixiEnv = await getPixiEnvironmentFromInterpreter(pythonPath);
-        if (!pixiEnv) {
-            return undefined;
-        }
-
-        const command = ['shell-hook', '--manifest-path', pixiEnv.manifestPath];
-        if (isNonDefaultPixiEnvironmentName(pixiEnv.envName)) {
-            command.push('--environment');
-            command.push(pixiEnv.envName);
-        }
-
-        const pixiTargetShell = shellTypeToPixiShell(targetShell);
-        if (pixiTargetShell) {
-            command.push('--shell');
-            command.push(pixiTargetShell);
-        }
-
-        const shellHookOutput = await exec(pixiEnv.pixi.command, command, {
-            throwOnStdErr: false,
-        }).catch(traceError);
-        if (!shellHookOutput) {
-            return undefined;
-        }
-
-        return splitLines(shellHookOutput.stdout, {
-            removeEmptyEntries: true,
-            trim: true,
-        });
+        return getPixiActivationCommands(pythonPath, targetShell);
     }
 }
 

src/client/common/terminal/helper.ts

@@ -22,6 +22,7 @@ import {
     TerminalActivationProviders,
     TerminalShellType,
 } from './types';
+import { isPixiEnvironment } from '../../pythonEnvironments/common/environmentManagers/pixi';
 
 @injectable()
 export class TerminalHelper implements ITerminalHelper {
@@ -143,6 +144,19 @@ export class TerminalHelper implements ITerminalHelper {
     ): Promise<string[] | undefined> {
         const settings = this.configurationService.getSettings(resource);
 
+        const isPixiEnv = interpreter
+            ? interpreter.envType === EnvironmentType.Pixi
+            : await isPixiEnvironment(settings.pythonPath);
+        if (isPixiEnv) {
+            const activationCommands = interpreter
+                ? await this.pixi.getActivationCommandsForInterpreter(interpreter.path, terminalShellType)
+                : await this.pixi.getActivationCommands(resource, terminalShellType);
+
+            if (Array.isArray(activationCommands)) {
+                return activationCommands;
+            }
+        }
+
         const condaService = this.serviceContainer.get<IComponentAdapter>(IComponentAdapter);
         // If we have a conda environment, then use that.
         const isCondaEnvironment = interpreter

src/client/extensionActivation.ts

@@ -54,6 +54,7 @@ import { StopWatch } from './common/utils/stopWatch';
 import { registerReplCommands, registerReplExecuteOnEnter, registerStartNativeReplCommand } from './repl/replCommands';
 import { registerTriggerForTerminalREPL } from './terminals/codeExecution/terminalReplWatcher';
 import { registerPythonStartup } from './terminals/pythonStartup';
+import { registerPixiFeatures } from './pythonEnvironments/common/environmentManagers/pixi';
 
 export async function activateComponents(
     // `ext` is passed to any extra activation funcs.
@@ -100,6 +101,7 @@ export function activateFeatures(ext: ExtensionState, _components: Components):
         IInterpreterService,
     );
     const pathUtils = ext.legacyIOC.serviceContainer.get<IPathUtils>(IPathUtils);
+    registerPixiFeatures(ext.disposables);
     registerAllCreateEnvironmentFeatures(
         ext.disposables,
         interpreterQuickPick,

src/client/interpreter/activation/service.ts

@@ -39,6 +39,7 @@ import { StopWatch } from '../../common/utils/stopWatch';
 import { identifyShellFromShellPath } from '../../common/terminal/shellDetectors/baseShellDetector';
 import { getSearchPathEnvVarNames } from '../../common/utils/exec';
 import { cache } from '../../common/utils/decorators';
+import { getRunPixiPythonCommand } from '../../pythonEnvironments/common/environmentManagers/pixi';
 
 const ENVIRONMENT_PREFIX = 'e8b39361-0157-4923-80e1-22d70d46dee6';
 const CACHE_DURATION = 10 * 60 * 1000;
@@ -252,6 +253,11 @@ export class EnvironmentActivationService implements IEnvironmentActivationServi
                     // Using environment prefix isn't needed as the marker script already takes care of it.
                     command = [...pythonArgv, ...args].map((arg) => arg.toCommandArgumentForPythonExt()).join(' ');
                 }
+            } else if (interpreter?.envType === EnvironmentType.Pixi) {
+                const pythonArgv = await getRunPixiPythonCommand(interpreter.path);
+                if (pythonArgv) {
+                    command = [...pythonArgv, ...args].map((arg) => arg.toCommandArgumentForPythonExt()).join(' ');
+                }
             }
             if (!command) {
                 const activationCommands = await this.helper.getEnvironmentActivationShellCommands(

src/client/pythonEnvironments/base/locators/lowLevel/pixiLocator.ts

@@ -6,17 +6,17 @@ import { asyncFilter } from '../../../../common/utils/arrayUtils';
 import { chain, iterable } from '../../../../common/utils/async';
 import { traceError, traceVerbose } from '../../../../logging';
 import { getCondaInterpreterPath } from '../../../common/environmentManagers/conda';
-import { Pixi } from '../../../common/environmentManagers/pixi';
 import { pathExists } from '../../../common/externalDependencies';
 import { PythonEnvKind } from '../../info';
 import { IPythonEnvsIterator, BasicEnvInfo } from '../../locator';
 import { FSWatcherKind, FSWatchingLocator } from './fsWatchingLocator';
+import { getPixi } from '../../../common/environmentManagers/pixi';
 
 /**
  * Returns all virtual environment locations to look for in a workspace.
  */
 async function getVirtualEnvDirs(root: string): Promise<string[]> {
-    const pixi = await Pixi.getPixi();
+    const pixi = await getPixi();
     const envDirs = (await pixi?.getEnvList(root)) ?? [];
     return asyncFilter(envDirs, pathExists);
 }