microsoft · karthiknadig · Feb 19, 2021 · Feb 19, 2021 · Feb 19, 2021 · Feb 19, 2021
diff --git a/news/2 Fixes/15439.md b/news/2 Fixes/15439.md
@@ -0,0 +1 @@
+Fix for missing pyenv virtual environments from selectable environments.
diff --git a/news/2 Fixes/15452.md b/news/2 Fixes/15452.md
@@ -0,0 +1 @@
+Register Jedi regardless of what language server is configured.
diff --git a/src/client/activation/activationService.ts b/src/client/activation/activationService.ts
@@ -243,6 +243,7 @@ export class LanguageServerExtensionActivationService
             if (serverType === LanguageServerType.Jedi) {
                 throw ex;
             }
+            traceError(ex);
             this.output.appendLine(LanguageService.lsFailedToStart());
             serverType = LanguageServerType.Jedi;
             server = this.serviceContainer.get<ILanguageServerActivator>(ILanguageServerActivator, serverType);

diff --git a/src/client/activation/serviceRegistry.ts b/src/client/activation/serviceRegistry.ts
@@ -136,12 +136,6 @@ export function registerTypes(serviceManager: IServiceManager, languageServerTyp
             ILanguageServerFolderService,
             NodeLanguageServerFolderService,
         );
-    } else if (languageServerType === LanguageServerType.Jedi) {
-        serviceManager.add<ILanguageServerActivator>(
-            ILanguageServerActivator,
-            JediExtensionActivator,
-            LanguageServerType.Jedi,
-        );
     } else if (languageServerType === LanguageServerType.JediLSP) {
         serviceManager.add<ILanguageServerActivator>(
             ILanguageServerActivator,
@@ -165,6 +159,11 @@ export function registerTypes(serviceManager: IServiceManager, languageServerTyp
             LanguageServerType.None,
         );
     }
+    serviceManager.add<ILanguageServerActivator>(
+        ILanguageServerActivator,
+        JediExtensionActivator,
+        LanguageServerType.Jedi,
+    ); // We fallback to Jedi if for some reason we're unable to use other language servers, hence register this always.
 
     serviceManager.addSingleton<IDownloadChannelRule>(
         IDownloadChannelRule,

diff --git a/src/client/pythonEnvironments/common/externalDependencies.ts b/src/client/pythonEnvironments/common/externalDependencies.ts
@@ -97,23 +97,35 @@ export async function getFileInfo(filePath: string): Promise<{ ctime: number; mt
     }
 }
 
-export async function resolveSymbolicLink(filepath: string): Promise<string> {
-    const stats = await fsapi.lstat(filepath);
+export async function resolveSymbolicLink(absPath: string): Promise<string> {
+    const stats = await fsapi.lstat(absPath);
     if (stats.isSymbolicLink()) {
-        const link = await fsapi.readlink(filepath);
+        const link = await fsapi.readlink(absPath);
         return resolveSymbolicLink(link);
     }
-    return filepath;
+    return absPath;
 }
 
-export async function* getSubDirs(root: string): AsyncIterableIterator<string> {
-    const dirContents = await fsapi.readdir(root);
+/**
+ * Returns full path to sub directories of a given directory.
+ * @param root
+ * @param resolveSymlinks
+ */
+export async function* getSubDirs(root: string, resolveSymlinks: boolean): AsyncIterableIterator<string> {
+    const dirContents = await fsapi.promises.readdir(root, { withFileTypes: true });
     const generators = dirContents.map((item) => {
         async function* generator() {
-            const stat = await fsapi.lstat(path.join(root, item));
-
-            if (stat.isDirectory()) {
-                yield item;
+            const fullPath = path.join(root, item.name);
+            if (item.isDirectory()) {
+                yield fullPath;
+            } else if (resolveSymlinks && item.isSymbolicLink()) {
+                // The current FS item is a symlink. It can potentially be a file
+                // or a directory. Resolve it first and then check if it is a directory.
+                const resolvedPath = await resolveSymbolicLink(fullPath);
+                const resolvedPathStat = await fsapi.lstat(resolvedPath);
+                if (resolvedPathStat.isDirectory()) {
+                    yield resolvedPath;
+                }
             }
         }
 

diff --git a/src/client/pythonEnvironments/discovery/locators/index.ts b/src/client/pythonEnvironments/discovery/locators/index.ts
@@ -16,7 +16,6 @@ import {
     CURRENT_PATH_SERVICE,
     GetInterpreterLocatorOptions,
     GLOBAL_VIRTUAL_ENV_SERVICE,
-    IComponentAdapter,
     IInterpreterLocatorHelper,
     IInterpreterLocatorService,
     KNOWN_PATH_SERVICE,
@@ -182,12 +181,6 @@ export class WorkspaceLocators extends LazyResourceBasedLocator {
     }
 }
 
-// The parts of IComponentAdapter used here.
-interface IComponent {
-    hasInterpreters: Promise<boolean | undefined>;
-    getInterpreters(resource?: Uri, options?: GetInterpreterLocatorOptions): Promise<PythonEnvironment[] | undefined>;
-}
-
 /**
  * Facilitates locating Python interpreters.
  */
@@ -207,10 +200,7 @@ export class PythonInterpreterLocatorService implements IInterpreterLocatorServi
         Promise<PythonEnvironment[]>
     >();
 
-    constructor(
-        @inject(IServiceContainer) private serviceContainer: IServiceContainer,
-        @inject(IComponentAdapter) private readonly pyenvs: IComponent,
-    ) {
+    constructor(@inject(IServiceContainer) private serviceContainer: IServiceContainer) {
         this._hasInterpreters = createDeferred<boolean>();
         serviceContainer.get<Disposable[]>(IDisposableRegistry).push(this);
         this.platform = serviceContainer.get<IPlatformService>(IPlatformService);
@@ -231,12 +221,7 @@ export class PythonInterpreterLocatorService implements IInterpreterLocatorServi
     }
 
     public get hasInterpreters(): Promise<boolean> {
-        return this.pyenvs.hasInterpreters.then((res) => {
-            if (res !== undefined) {
-                return res;
-            }
-            return this._hasInterpreters.completed ? this._hasInterpreters.promise : Promise.resolve(false);
-        });
+        return this._hasInterpreters.completed ? this._hasInterpreters.promise : Promise.resolve(false);
     }
 
     /**
@@ -256,10 +241,6 @@ export class PythonInterpreterLocatorService implements IInterpreterLocatorServi
      */
     @traceDecorators.verbose('Get Interpreters')
     public async getInterpreters(resource?: Uri, options?: GetInterpreterLocatorOptions): Promise<PythonEnvironment[]> {
-        const envs = await this.pyenvs.getInterpreters(resource, options);
-        if (envs !== undefined) {
-            return envs;
-        }
         const locators = this.getLocators(options);
         const promises = locators.map(async (provider) => provider.getInterpreters(resource));
         locators.forEach((locator) => {

diff --git a/src/client/pythonEnvironments/discovery/locators/services/pyenvLocator.ts b/src/client/pythonEnvironments/discovery/locators/services/pyenvLocator.ts
@@ -259,15 +259,15 @@ export function parsePyenvVersion(str: string): Promise<IPyenvVersionStrings | u
 async function* getPyenvEnvironments(): AsyncIterableIterator<PythonEnvInfo> {
     const pyenvVersionDir = getPyenvVersionsDir();
 
-    const subDirs = getSubDirs(pyenvVersionDir);
-    for await (const subDir of subDirs) {
-        const envDir = path.join(pyenvVersionDir, subDir);
-        const interpreterPath = await getInterpreterPathFromDir(envDir);
+    const subDirs = getSubDirs(pyenvVersionDir, true);
+    for await (const subDirPath of subDirs) {
+        const envDirName = path.basename(subDirPath);
+        const interpreterPath = await getInterpreterPathFromDir(subDirPath);
 
         if (interpreterPath) {
             // The sub-directory name sometimes can contain distro and python versions.
             // here we attempt to extract the texts out of the name.
-            const versionStrings = await parsePyenvVersion(subDir);
+            const versionStrings = await parsePyenvVersion(envDirName);
 
             // Here we look for near by files, or config files to see if we can get python version info
             // without running python itself.
@@ -290,7 +290,7 @@ async function* getPyenvEnvironments(): AsyncIterableIterator<PythonEnvInfo> {
             // `pyenv local|global <env-name>` or `pyenv shell <env-name>`
             //
             // For the display name we are going to treat these as `pyenv` environments.
-            const display = `${subDir}:pyenv`;
+            const display = `${envDirName}:pyenv`;
 
             const org = versionStrings && versionStrings.distro ? versionStrings.distro : '';
 
@@ -299,14 +299,14 @@ async function* getPyenvEnvironments(): AsyncIterableIterator<PythonEnvInfo> {
             const envInfo = buildEnvInfo({
                 kind: PythonEnvKind.Pyenv,
                 executable: interpreterPath,
-                location: envDir,
+                location: subDirPath,
                 version: pythonVersion,
                 source: [PythonEnvSource.Pyenv],
                 display,
                 org,
                 fileInfo,
             });
-            envInfo.name = subDir;
+            envInfo.name = envDirName;
 
             yield envInfo;
         }

diff --git a/src/test/activation/serviceRegistry.unit.test.ts b/src/test/activation/serviceRegistry.unit.test.ts
@@ -9,6 +9,7 @@ import { DownloadBetaChannelRule, DownloadDailyChannelRule } from '../../client/
 import { LanguageServerDownloader } from '../../client/activation/common/downloader';
 import { LanguageServerDownloadChannel } from '../../client/activation/common/packageRepository';
 import { ExtensionSurveyPrompt } from '../../client/activation/extensionSurvey';
+import { JediExtensionActivator } from '../../client/activation/jedi';
 import { DotNetLanguageServerActivator } from '../../client/activation/languageServer/activator';
 import { DotNetLanguageServerAnalysisOptions } from '../../client/activation/languageServer/analysisOptions';
 import { DotNetLanguageClientFactory } from '../../client/activation/languageServer/languageClientFactory';
@@ -161,6 +162,13 @@ suite('Unit Tests - Language Server Activation Service Registry', () => {
                 LanguageServerType.Microsoft,
             ),
         ).once();
+        verify(
+            serviceManager.add<ILanguageServerActivator>(
+                ILanguageServerActivator,
+                JediExtensionActivator,
+                LanguageServerType.Jedi,
+            ),
+        ).once();
         verify(serviceManager.add<ILanguageServerProxy>(ILanguageServerProxy, DotNetLanguageServerProxy)).once();
         verify(serviceManager.add<ILanguageServerManager>(ILanguageServerManager, DotNetLanguageServerManager)).once();
         verify(

diff --git a/src/test/pythonEnvironments/discovery/locators/index.unit.test.ts b/src/test/pythonEnvironments/discovery/locators/index.unit.test.ts
@@ -18,7 +18,6 @@ import {
     CONDA_ENV_SERVICE,
     CURRENT_PATH_SERVICE,
     GLOBAL_VIRTUAL_ENV_SERVICE,
-    IComponentAdapter,
     IInterpreterLocatorHelper,
     IInterpreterLocatorService,
     KNOWN_PATH_SERVICE,
@@ -785,21 +784,18 @@ suite('Interpreters - Locators Index', () => {
     let serviceContainer: TypeMoq.IMock<IServiceContainer>;
     let platformSvc: TypeMoq.IMock<IPlatformService>;
     let helper: TypeMoq.IMock<IInterpreterLocatorHelper>;
-    let pyenvs: TypeMoq.IMock<IComponentAdapter>;
     let locator: IInterpreterLocatorService;
     setup(() => {
         serviceContainer = TypeMoq.Mock.ofType<IServiceContainer>();
         platformSvc = TypeMoq.Mock.ofType<IPlatformService>();
         helper = TypeMoq.Mock.ofType<IInterpreterLocatorHelper>();
-        pyenvs = TypeMoq.Mock.ofType<IComponentAdapter>();
         serviceContainer.setup((c) => c.get(TypeMoq.It.isValue(IDisposableRegistry))).returns(() => []);
         serviceContainer.setup((c) => c.get(TypeMoq.It.isValue(IPlatformService))).returns(() => platformSvc.object);
-        serviceContainer.setup((c) => c.get(TypeMoq.It.isValue(IComponentAdapter))).returns(() => pyenvs.object);
         serviceContainer
             .setup((c) => c.get(TypeMoq.It.isValue(IInterpreterLocatorHelper)))
             .returns(() => helper.object);
 
-        locator = new PythonInterpreterLocatorService(serviceContainer.object, pyenvs.object);
+        locator = new PythonInterpreterLocatorService(serviceContainer.object);
     });
     [undefined, Uri.file('Something')].forEach((resource) => {
         getNamesAndValues<OSType>(OSType).forEach((osType) => {
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix for missing pyenv virtual environments from selectable environments.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Register Jedi regardless of what language server is configured.