Add support for Hugging Face

examples/browser/package.json

@@ -27,6 +27,7 @@
     "@theia/ai-code-completion": "1.55.0",
     "@theia/ai-core": "1.55.0",
     "@theia/ai-history": "1.55.0",
+    "@theia/ai-huggingface": "1.55.0",
     "@theia/ai-llamafile": "1.55.0",
     "@theia/ai-ollama": "1.55.0",
     "@theia/ai-openai": "1.55.0",

examples/browser/tsconfig.json

@@ -23,6 +23,9 @@
     {
       "path": "../../packages/ai-history"
     },
+    {
+      "path": "../../packages/ai-hugging-face"
+    },
     {
       "path": "../../packages/ai-llamafile"
     },

packages/ai-hugging-face/.eslintrc.js

@@ -0,0 +1,10 @@
+/** @type {import('eslint').Linter.Config} */
+module.exports = {
+    extends: [
+        '../../configs/build.eslintrc.json'
+    ],
+    parserOptions: {
+        tsconfigRootDir: __dirname,
+        project: 'tsconfig.json'
+    }
+};

packages/ai-hugging-face/README.md

@@ -0,0 +1,32 @@
+<div align='center'>
+
+<br />
+
+<img src='https://raw.githubusercontent.com/eclipse-theia/theia/master/logo/theia.svg?sanitize=true' alt='theia-ext-logo' width='100px' />
+
+<h2>ECLIPSE THEIA - Hugging Face AI EXTENSION</h2>
+
+<hr />
+
+</div>
+
+## Description
+
+The `@theia/ai-huggingface` integrates Hugging Face's models with Theia AI.
+The Hugging Face API key and the models to use can be configured via preferences.
+Alternatively, the Hugging Face API key can also be provided via the `HUGGINGFACE_API_KEY` environment variable.
+
+## Additional Information
+
+- [Theia - GitHub](https://github.com/eclipse-theia/theia)
+- [Theia - Website](https://theia-ide.org/)
+
+## License
+
+- [Eclipse Public License 2.0](http://www.eclipse.org/legal/epl-2.0/)
+- [一 (Secondary) GNU General Public License, version 2 with the GNU Classpath Exception](https://projects.eclipse.org/license/secondary-gpl-2.0-cp)
+
+## Trademark
+
+"Theia" is a trademark of the Eclipse Foundation  
+https://www.eclipse.org/theia

packages/ai-hugging-face/package.json

@@ -0,0 +1,49 @@
+{
+  "name": "@theia/ai-huggingface",
+  "version": "1.55.0",
+  "description": "Theia - Hugging Face Integration",
+  "dependencies": {
+    "@theia/core": "1.55.0",
+    "@huggingface/inference": "^2.0.0",
+    "@theia/ai-core": "1.55.0"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "theiaExtensions": [
+    {
+      "frontend": "lib/browser/huggingface-frontend-module",
+      "backend": "lib/node/huggingface-backend-module"
+    }
+  ],
+  "keywords": [
+    "theia-extension"
+  ],
+  "license": "EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/eclipse-theia/theia.git"
+  },
+  "bugs": {
+    "url": "https://github.com/eclipse-theia/theia/issues"
+  },
+  "homepage": "https://github.com/eclipse-theia/theia",
+  "files": [
+    "lib",
+    "src"
+  ],
+  "scripts": {
+    "build": "theiaext build",
+    "clean": "theiaext clean",
+    "compile": "theiaext compile",
+    "lint": "theiaext lint",
+    "test": "theiaext test",
+    "watch": "theiaext watch"
+  },
+  "devDependencies": {
+    "@theia/ext-scripts": "1.55.0"
+  },
+  "nyc": {
+    "extends": "../../configs/nyc.json"
+  }
+}

packages/ai-hugging-face/src/browser/huggingface-frontend-application-contribution.ts

@@ -0,0 +1,66 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { FrontendApplicationContribution, PreferenceService } from '@theia/core/lib/browser';
+import { inject, injectable } from '@theia/core/shared/inversify';
+import { HuggingFaceLanguageModelsManager, HuggingFaceModelDescription } from '../common';
+import { API_KEY_PREF, MODELS_PREF } from './huggingface-preferences';
+
+@injectable()
+export class HuggingFaceFrontendApplicationContribution implements FrontendApplicationContribution {
+
+    @inject(PreferenceService)
+    protected preferenceService: PreferenceService;
+
+    @inject(HuggingFaceLanguageModelsManager)
+    protected manager: HuggingFaceLanguageModelsManager;
+
+    protected prevModels: string[] = [];
+
+    onStart(): void {
+        this.preferenceService.ready.then(() => {
+            const apiKey = this.preferenceService.get<string>(API_KEY_PREF, undefined);
+            this.manager.setApiKey(apiKey);
+
+            const models = this.preferenceService.get<string[]>(MODELS_PREF, []);
+            this.manager.createOrUpdateLanguageModels(...models.map(createHuggingFaceModelDescription));
+            this.prevModels = [...models];
+
+            this.preferenceService.onPreferenceChanged(event => {
+                if (event.preferenceName === API_KEY_PREF) {
+                    this.manager.setApiKey(event.newValue);
+                } else if (event.preferenceName === MODELS_PREF) {
+                    const oldModels = new Set(this.prevModels);
+                    const newModels = new Set(event.newValue as string[]);
+
+                    const modelsToRemove = [...oldModels].filter(model => !newModels.has(model));
+                    const modelsToAdd = [...newModels].filter(model => !oldModels.has(model));
+
+                    this.manager.removeLanguageModels(...modelsToRemove.map(model => `huggingface/${model}`));
+                    this.manager.createOrUpdateLanguageModels(...modelsToAdd.map(createHuggingFaceModelDescription));
+                    this.prevModels = [...event.newValue];
+                }
+            });
+        });
+    }
+}
+
+function createHuggingFaceModelDescription(modelId: string): HuggingFaceModelDescription {
+    return {
+        id: `huggingface/${modelId}`,
+        model: modelId
+    };
+}

packages/ai-hugging-face/src/browser/huggingface-frontend-module.ts

@@ -0,0 +1,31 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ContainerModule } from '@theia/core/shared/inversify';
+import { HuggingFacePreferencesSchema } from './huggingface-preferences';
+import { FrontendApplicationContribution, PreferenceContribution, RemoteConnectionProvider, ServiceConnectionProvider } from '@theia/core/lib/browser';
+import { HuggingFaceFrontendApplicationContribution } from './huggingface-frontend-application-contribution';
+import { HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH, HuggingFaceLanguageModelsManager } from '../common';
+
+export default new ContainerModule(bind => {
+    bind(PreferenceContribution).toConstantValue({ schema: HuggingFacePreferencesSchema });
+    bind(HuggingFaceFrontendApplicationContribution).toSelf().inSingletonScope();
+    bind(FrontendApplicationContribution).toService(HuggingFaceFrontendApplicationContribution);
+    bind(HuggingFaceLanguageModelsManager).toDynamicValue(ctx => {
+        const provider = ctx.container.get<ServiceConnectionProvider>(RemoteConnectionProvider);
+        return provider.createProxy<HuggingFaceLanguageModelsManager>(HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH);
+    }).inSingletonScope();
+});

packages/ai-hugging-face/src/browser/huggingface-preferences.ts

@@ -0,0 +1,42 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { PreferenceSchema } from '@theia/core/lib/browser/preferences/preference-contribution';
+import { AI_CORE_PREFERENCES_TITLE } from '@theia/ai-core/lib/browser/ai-core-preferences';
+
+export const API_KEY_PREF = 'ai-features.huggingFace.apiKey';
+export const MODELS_PREF = 'ai-features.huggingFace.models';
+
+export const HuggingFacePreferencesSchema: PreferenceSchema = {
+    type: 'object',
+    properties: {
+        [API_KEY_PREF]: {
+            type: 'string',
+            markdownDescription: 'Enter an API Key for your Hugging Face Account. **Please note:** By using this preference the Hugging Face API key will be stored in clear text\
+            on the machine running Theia. Use the environment variable `HUGGINGFACE_API_KEY` to set the key securely.',
+            title: AI_CORE_PREFERENCES_TITLE,
+        },
+        [MODELS_PREF]: {
+            type: 'array',
+            description: 'Hugging Face models to use',
+            title: AI_CORE_PREFERENCES_TITLE,
+            default: ['bigcode/starcoder'],
+            items: {
+                type: 'string'
+            }
+        }
+    }
+};

packages/ai-hugging-face/src/common/huggingface-language-models-manager.ts

@@ -0,0 +1,36 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+export const HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH = '/services/huggingface/language-model-manager';
+export const HuggingFaceLanguageModelsManager = Symbol('HuggingFaceLanguageModelsManager');
+
+export interface HuggingFaceModelDescription {
+    /**
+     * The identifier of the model which will be shown in the UI.
+     */
+    id: string;
+    /**
+     * The model ID as used by the Hugging Face API.
+     */
+    model: string;
+}
+
+export interface HuggingFaceLanguageModelsManager {
+    apiKey: string | undefined;
+    setApiKey(key: string | undefined): void;
+    createOrUpdateLanguageModels(...models: HuggingFaceModelDescription[]): Promise<void>;
+    removeLanguageModels(...modelIds: string[]): void;
+}

packages/ai-hugging-face/src/common/index.ts

@@ -0,0 +1,16 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+export * from './huggingface-language-models-manager';

packages/ai-hugging-face/src/node/huggingface-backend-module.ts

@@ -0,0 +1,30 @@
+// *****************************************************************************
+// Copyright (C) 2024 EclipseSource GmbH.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { ContainerModule } from '@theia/core/shared/inversify';
+import { HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH, HuggingFaceLanguageModelsManager } from '../common/huggingface-language-models-manager';
+import { ConnectionHandler, RpcConnectionHandler } from '@theia/core';
+import { HuggingFaceLanguageModelsManagerImpl } from './huggingface-language-models-manager-impl';
+
+export const HuggingFaceModelFactory = Symbol('HuggingFaceModelFactory');
+
+export default new ContainerModule(bind => {
+    bind(HuggingFaceLanguageModelsManagerImpl).toSelf().inSingletonScope();
+    bind(HuggingFaceLanguageModelsManager).toService(HuggingFaceLanguageModelsManagerImpl);
+    bind(ConnectionHandler).toDynamicValue(ctx =>
+        new RpcConnectionHandler(HUGGINGFACE_LANGUAGE_MODELS_MANAGER_PATH, () => ctx.container.get(HuggingFaceLanguageModelsManager))
+    ).inSingletonScope();
+});