From ca0f780cc319b421fd090826eda0bd681c35151b Mon Sep 17 00:00:00 2001 From: "devin-ai-integration[bot]" <158243242+devin-ai-integration[bot]@users.noreply.github.com> Date: Sun, 2 Feb 2025 22:07:43 +0800 Subject: [PATCH] feat: add web server wrapper for getResponse (#6) * feat: add web server wrapper for getResponse Co-Authored-By: Han Xiao * chore: update package-lock.json Co-Authored-By: Han Xiao * fix: add proper types to Express route handlers Co-Authored-By: Han Xiao * refactor: update API endpoint path and request parameters Co-Authored-By: Han Xiao * refactor: centralize model configurations with per-tool settings Co-Authored-By: Han Xiao * refactor: update agent.ts to use centralized model configuration Co-Authored-By: Han Xiao --------- Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com> Co-authored-by: Han Xiao --- README.md | 50 +- package-lock.json | 960 +++++++++++++++++++++++++++++++++++- package.json | 7 +- src/agent.ts | 12 +- src/config.ts | 48 +- src/server.ts | 84 ++++ src/tools/dedup.ts | 6 +- src/tools/error-analyzer.ts | 6 +- src/tools/evaluator.ts | 6 +- src/tools/query-rewriter.ts | 6 +- 10 files changed, 1162 insertions(+), 23 deletions(-) create mode 100644 src/server.ts diff --git a/README.md b/README.md index ea65015..532de9f 100644 --- a/README.md +++ b/README.md @@ -17,6 +17,54 @@ npm run dev "who will be president of US in 2028?" npm run dev "what should be jina ai strategy for 2025?" ``` +## Web Server API + +Start the server: +```bash +npm run serve +``` + +The server will start on http://localhost:3000 with the following endpoints: + +### POST /api/v1/query +Submit a query to be answered: +```bash +curl -X POST http://localhost:3000/api/v1/query \ + -H "Content-Type: application/json" \ + -d '{ + "q": "what is the capital of France?", + "budget": 1000000, + "maxBadAttempt": 3 + }' +``` + +Response: +```json +{ + "requestId": "1234567890" +} +``` + +### GET /api/v1/stream/:requestId +Connect to the Server-Sent Events stream to receive progress updates and the final answer: +```bash +curl -N http://localhost:3000/api/v1/stream/1234567890 +``` + +The server will emit the following event types: +- Progress updates: Step number and budget usage +- Final answer with complete response data +- Error messages if something goes wrong + +Example events: +``` +data: {"type":"progress","data":"Step 1 / Budget used 10%"} +data: {"type":"progress","data":"Step 2 / Budget used 25%"} +data: {"type":"answer","data":{"action":"answer","answer":"Paris is the capital of France","references":[]}} +``` + +``` + ```mermaid flowchart TD subgraph Inputs[System Inputs] @@ -84,4 +132,4 @@ flowchart TD class GapQueue,ContextStore,BadStore,QuestionStore,KeywordStore,KnowledgeStore,URLStore state class OrigQuestion,TokenBudget input class FinalAnswer output -``` \ No newline at end of file +``` diff --git a/package-lock.json b/package-lock.json index 5949cdc..c4684b0 100644 --- a/package-lock.json +++ b/package-lock.json @@ -10,10 +10,14 @@ "license": "ISC", "dependencies": { "@google/generative-ai": "^0.21.0", + "@types/cors": "^2.8.17", + "@types/express": "^5.0.0", "@types/node-fetch": "^2.6.12", "axios": "^1.7.9", + "cors": "^2.8.5", "dotenv": "^16.4.7", "duck-duck-scrape": "^2.2.7", + "express": "^4.21.2", "node-fetch": "^3.3.2", "undici": "^7.3.0" }, @@ -291,6 +295,70 @@ "dev": true, "license": "MIT" }, + "node_modules/@types/body-parser": { + "version": "1.19.5", + "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.5.tgz", + "integrity": "sha512-fB3Zu92ucau0iQ0JMCFQE7b/dv8Ot07NI3KaZIkIUNXq82k4eBAqUaneXfleGY9JWskeS9y+u0nXMyspcuQrCg==", + "license": "MIT", + "dependencies": { + "@types/connect": "*", + "@types/node": "*" + } + }, + "node_modules/@types/connect": { + "version": "3.4.38", + "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz", + "integrity": 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"https://registry.npmjs.org/slash/-/slash-3.0.0.tgz", @@ -1998,6 +2896,15 @@ "node": ">=8" } }, + "node_modules/statuses": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz", + "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + }, "node_modules/strip-ansi": { "version": "6.0.1", "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz", @@ -2057,6 +2964,15 @@ "node": ">=8.0" } }, + "node_modules/toidentifier": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz", + "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==", + "license": "MIT", + "engines": { + "node": ">=0.6" + } + }, "node_modules/ts-api-utils": { "version": "1.4.3", "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-1.4.3.tgz", @@ -2140,6 +3056,19 @@ "url": "https://github.com/sponsors/sindresorhus" } }, + "node_modules/type-is": { + "version": "1.6.18", + "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz", + "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==", + "license": "MIT", + "dependencies": { + "media-typer": "0.3.0", + "mime-types": "~2.1.24" + }, + "engines": { + "node": ">= 0.6" + } + }, "node_modules/typescript": { "version": "5.7.3", "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz", @@ -2169,6 +3098,15 @@ "integrity": "sha512-Ny6QZ2Nju20vw1SRHe3d9jVu6gJ+4e3+MMpqu7pqE5HT6WsTSlce++GQmK5UXS8mzV8DSYHrQH+Xrf2jVcuKNg==", "license": "MIT" }, + "node_modules/unpipe": { + "version": "1.0.0", + "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz", + "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + }, "node_modules/uri-js": { "version": "4.4.1", "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz", @@ -2179,6 +3117,15 @@ "punycode": "^2.1.0" } }, + "node_modules/utils-merge": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz", + "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==", + "license": "MIT", + "engines": { + "node": ">= 0.4.0" + } + }, "node_modules/v8-compile-cache-lib": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz", @@ -2186,6 +3133,15 @@ "dev": true, "license": "MIT" }, + "node_modules/vary": { + "version": "1.1.2", + "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz", + "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==", + "license": "MIT", + "engines": { + "node": ">= 0.8" + } + }, "node_modules/web-streams-polyfill": { "version": "3.3.3", "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz", diff --git a/package.json b/package.json index 3e4fa8c..edf7633 100644 --- a/package.json +++ b/package.json @@ -8,7 +8,8 @@ "search": "npx ts-node src/test-duck.ts", "rewrite": "npx ts-node src/tools/query-rewriter.ts", "lint": "eslint . --ext .ts", - "lint:fix": "eslint . --ext .ts --fix" + "lint:fix": "eslint . --ext .ts --fix", + "serve": "ts-node src/server.ts" }, "keywords": [], "author": "", @@ -16,10 +17,14 @@ "description": "", "dependencies": { "@google/generative-ai": "^0.21.0", + "@types/cors": "^2.8.17", + "@types/express": "^5.0.0", "@types/node-fetch": "^2.6.12", "axios": "^1.7.9", + "cors": "^2.8.5", "dotenv": "^16.4.7", "duck-duck-scrape": "^2.2.7", + "express": "^4.21.2", "node-fetch": "^3.3.2", "undici": "^7.3.0" }, diff --git a/src/agent.ts b/src/agent.ts index 55b2884..e95c127 100644 --- a/src/agent.ts +++ b/src/agent.ts @@ -7,7 +7,7 @@ import {rewriteQuery} from "./tools/query-rewriter"; import {dedupQueries} from "./tools/dedup"; import {evaluateAnswer} from "./tools/evaluator"; import {analyzeSteps} from "./tools/error-analyzer"; -import {GEMINI_API_KEY, JINA_API_KEY, MODEL_NAME, SEARCH_PROVIDER, STEP_SLEEP} from "./config"; +import {GEMINI_API_KEY, JINA_API_KEY, SEARCH_PROVIDER, STEP_SLEEP, modelConfigs} from "./config"; import {tokenTracker} from "./utils/token-tracker"; import {StepAction, SchemaProperty, ResponseSchema} from "./types"; @@ -241,7 +241,7 @@ function removeAllLineBreaks(text: string) { return text.replace(/(\r\n|\n|\r)/gm, " "); } -async function getResponse(question: string, tokenBudget: number = 1_000_000, maxBadAttempts: number = 3) { +export async function getResponse(question: string, tokenBudget: number = 1_000_000, maxBadAttempts: number = 3) { let step = 0; let totalStep = 0; let badAttempts = 0; @@ -291,9 +291,9 @@ async function getResponse(question: string, tokenBudget: number = 1_000_000, ma ); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.agent.model, generationConfig: { - temperature: 0.7, + temperature: modelConfigs.agent.temperature, responseMimeType: "application/json", responseSchema: getSchema(allowReflect, allowRead, allowAnswer, allowSearch) } @@ -610,9 +610,9 @@ You decided to think out of the box or cut from a completely different angle.`); ); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.agentBeastMode.model, generationConfig: { - temperature: 0.7, + temperature: modelConfigs.agentBeastMode.temperature, responseMimeType: "application/json", responseSchema: getSchema(false, false, allowAnswer, false) } diff --git a/src/config.ts b/src/config.ts index 2c97bf0..5f9ba4f 100644 --- a/src/config.ts +++ b/src/config.ts @@ -1,6 +1,21 @@ import dotenv from 'dotenv'; import { ProxyAgent, setGlobalDispatcher } from 'undici'; +interface ModelConfig { + model: string; + temperature: number; +} + +interface ToolConfigs { + dedup: ModelConfig; + evaluator: ModelConfig; + errorAnalyzer: ModelConfig; + queryRewriter: ModelConfig; + agent: ModelConfig; + agentBeastMode: ModelConfig; +} + + dotenv.config(); // Setup the proxy globally if present @@ -19,7 +34,38 @@ export const JINA_API_KEY = process.env.JINA_API_KEY as string; export const BRAVE_API_KEY = process.env.BRAVE_API_KEY as string; export const SEARCH_PROVIDER = BRAVE_API_KEY ? 'brave' : 'duck'; -export const MODEL_NAME = 'gemini-1.5-flash'; +const DEFAULT_MODEL = 'gemini-1.5-flash'; + +const defaultConfig: ModelConfig = { + model: DEFAULT_MODEL, + temperature: 0 +}; + +export const modelConfigs: ToolConfigs = { + dedup: { + ...defaultConfig, + temperature: 0.1 + }, + evaluator: { + ...defaultConfig + }, + errorAnalyzer: { + ...defaultConfig + }, + queryRewriter: { + ...defaultConfig, + temperature: 0.1 + }, + agent: { + ...defaultConfig, + temperature: 0.7 + }, + agentBeastMode: { + ...defaultConfig, + temperature: 0.7 + } +}; + export const STEP_SLEEP = 1000; if (!GEMINI_API_KEY) throw new Error("GEMINI_API_KEY not found"); diff --git a/src/server.ts b/src/server.ts new file mode 100644 index 0000000..93460b9 --- /dev/null +++ b/src/server.ts @@ -0,0 +1,84 @@ +import express, { Request, Response, RequestHandler } from 'express'; +import cors from 'cors'; +import { EventEmitter } from 'events'; +import { getResponse } from './agent'; + +const app = express(); +const port = process.env.PORT || 3000; + +// Enable CORS for localhost debugging +app.use(cors()); +app.use(express.json()); + +// Create event emitter for SSE +const eventEmitter = new EventEmitter(); + +// Type definitions +interface QueryRequest extends Request { + body: { + q: string; + budget?: number; + maxBadAttempt?: number; + }; +} + +interface StreamResponse extends Response { + write: (chunk: string) => boolean; +} + +// SSE endpoint for progress updates +app.get('/api/v1/stream/:requestId', ((req: Request, res: StreamResponse) => { + const requestId = req.params.requestId; + + res.setHeader('Content-Type', 'text/event-stream'); + res.setHeader('Cache-Control', 'no-cache'); + res.setHeader('Connection', 'keep-alive'); + + const listener = (data: any) => { + res.write(`data: ${JSON.stringify(data)}\n\n`); + }; + + eventEmitter.on(`progress-${requestId}`, listener); + + req.on('close', () => { + eventEmitter.removeListener(`progress-${requestId}`, listener); + }); +}) as RequestHandler); + +// POST endpoint to handle questions +app.post('/api/v1/query', (async (req: QueryRequest, res: Response) => { + const { q, budget, maxBadAttempt } = req.body; + if (!q) { + return res.status(400).json({ error: 'Query (q) is required' }); + } + + const requestId = Date.now().toString(); + res.json({ requestId }); + + // Store original console.log + const originalConsoleLog: typeof console.log = console.log; + + try { + // Wrap getResponse to emit progress + console.log = (...args: any[]) => { + originalConsoleLog(...args); + const message = args.join(' '); + if (message.includes('Step') || message.includes('Budget used')) { + eventEmitter.emit(`progress-${requestId}`, { type: 'progress', data: message }); + } + }; + + const result = await getResponse(q, budget, maxBadAttempt); + eventEmitter.emit(`progress-${requestId}`, { type: 'answer', data: result }); + } catch (error: any) { + eventEmitter.emit(`progress-${requestId}`, { type: 'error', data: error?.message || 'Unknown error' }); + } finally { + console.log = originalConsoleLog; + } +}) as RequestHandler); + +app.listen(port, () => { + console.log(`Server running at http://localhost:${port}`); +}); + +export default app; diff --git a/src/tools/dedup.ts b/src/tools/dedup.ts index 42926e4..05101fb 100644 --- a/src/tools/dedup.ts +++ b/src/tools/dedup.ts @@ -1,5 +1,5 @@ import { GoogleGenerativeAI, SchemaType } from "@google/generative-ai"; -import { GEMINI_API_KEY, MODEL_NAME } from "../config"; +import { GEMINI_API_KEY, modelConfigs } from "../config"; import { tokenTracker } from "../utils/token-tracker"; import { DedupResponse } from '../types'; @@ -24,9 +24,9 @@ const responseSchema = { const genAI = new GoogleGenerativeAI(GEMINI_API_KEY); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.dedup.model, generationConfig: { - temperature: 0.1, + temperature: modelConfigs.dedup.temperature, responseMimeType: "application/json", responseSchema: responseSchema } diff --git a/src/tools/error-analyzer.ts b/src/tools/error-analyzer.ts index b2fa168..2882d50 100644 --- a/src/tools/error-analyzer.ts +++ b/src/tools/error-analyzer.ts @@ -1,5 +1,5 @@ import {GoogleGenerativeAI, SchemaType} from "@google/generative-ai"; -import { GEMINI_API_KEY, MODEL_NAME } from "../config"; +import { GEMINI_API_KEY, modelConfigs } from "../config"; import { tokenTracker } from "../utils/token-tracker"; import { ErrorAnalysisResponse } from '../types'; @@ -25,9 +25,9 @@ const responseSchema = { const genAI = new GoogleGenerativeAI(GEMINI_API_KEY); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.errorAnalyzer.model, generationConfig: { - temperature: 0, + temperature: modelConfigs.errorAnalyzer.temperature, responseMimeType: "application/json", responseSchema: responseSchema } diff --git a/src/tools/evaluator.ts b/src/tools/evaluator.ts index 598a4f7..1d2ffb7 100644 --- a/src/tools/evaluator.ts +++ b/src/tools/evaluator.ts @@ -1,5 +1,5 @@ import { GoogleGenerativeAI, SchemaType } from "@google/generative-ai"; -import { GEMINI_API_KEY, MODEL_NAME } from "../config"; +import { GEMINI_API_KEY, modelConfigs } from "../config"; import { tokenTracker } from "../utils/token-tracker"; import { EvaluationResponse } from '../types'; @@ -21,9 +21,9 @@ const responseSchema = { const genAI = new GoogleGenerativeAI(GEMINI_API_KEY); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.evaluator.model, generationConfig: { - temperature: 0, + temperature: modelConfigs.evaluator.temperature, responseMimeType: "application/json", responseSchema: responseSchema } diff --git a/src/tools/query-rewriter.ts b/src/tools/query-rewriter.ts index f5f7781..60e14e6 100644 --- a/src/tools/query-rewriter.ts +++ b/src/tools/query-rewriter.ts @@ -1,5 +1,5 @@ import { GoogleGenerativeAI, SchemaType } from "@google/generative-ai"; -import { GEMINI_API_KEY, MODEL_NAME } from "../config"; +import { GEMINI_API_KEY, modelConfigs } from "../config"; import { tokenTracker } from "../utils/token-tracker"; import { SearchAction } from "../types"; @@ -28,9 +28,9 @@ const responseSchema = { const genAI = new GoogleGenerativeAI(GEMINI_API_KEY); const model = genAI.getGenerativeModel({ - model: MODEL_NAME, + model: modelConfigs.queryRewriter.model, generationConfig: { - temperature: 0.1, + temperature: modelConfigs.queryRewriter.temperature, responseMimeType: "application/json", responseSchema: responseSchema }