feat: Baidu Qianfan ChatCompletion upgrade

docs/core_docs/docs/integrations/chat/baidu_qianfan.mdx

@@ -18,7 +18,7 @@ import IntegrationInstallTooltip from "@mdx_components/integration_install_toolt
 npm install @langchain/baidu-qianfan
 ```
 
-Available models: `ERNIE-Bot`,`ERNIE-Bot-turbo`,`ERNIE-Bot-4`,`ERNIE-Speed-8K`,`ERNIE-Speed-128K`,`ERNIE-4.0-8K`,
+Available models: `ERNIE-Bot`,`ERNIE-Lite-8K`,`ERNIE-Bot-4`,`ERNIE-Speed-8K`,`ERNIE-Speed-128K`,`ERNIE-4.0-8K`,
 `ERNIE-4.0-8K-Preview`,`ERNIE-3.5-8K`,`ERNIE-3.5-8K-Preview`,`ERNIE-Lite-8K`,`ERNIE-Tiny-8K`,`ERNIE-Character-8K`,
 `ERNIE Speed-AppBuilder`
 

examples/src/models/chat/chat_baidu_qianfan.ts

@@ -4,7 +4,7 @@ import { HumanMessage } from "@langchain/core/messages";
 const chat = new ChatBaiduQianfan({
   qianfanAccessKey: process.env.QIANFAN_ACCESS_KEY,
   qianfanSecretKey: process.env.QIANFAN_SECRET_KEY,
-  model: "ERNIE-Bot-turbo",
+  model: "ERNIE-Lite-8K",
 });
 
 const message = new HumanMessage("北京天气");

examples/src/models/chat/chat_stream_baidu_qianfan.ts

@@ -4,7 +4,7 @@ import { HumanMessage } from "@langchain/core/messages";
 const chat = new ChatBaiduQianfan({
   qianfanAccessKey: process.env.QIANFAN_ACCESS_KEY,
   qianfanSecretKey: process.env.QIANFAN_SECRET_KEY,
-  model: "ERNIE-Bot-turbo",
+  model: "ERNIE-Lite-8K",
   streaming: true,
 });
 

libs/langchain-baidu-qianfan/README.md

@@ -27,7 +27,7 @@ import { ChatBaiduQianfan } from "@langchain/baidu-qianfan";
 import { HumanMessage } from "@langchain/core/messages";
 
 const chat = new ChatBaiduQianfan({
-    model: 'ERNIE-Bot-turbo'
+    model: 'ERNIE-Lite-8K'
 });
 const message = new HumanMessage("北京天气");
 

libs/langchain-baidu-qianfan/package.json

@@ -31,7 +31,7 @@
   "author": "LangChain",
   "license": "MIT",
   "dependencies": {
-    "@baiducloud/qianfan": "0.1.0",
+    "@baiducloud/qianfan": "^0.1.6",
     "@langchain/core": ">0.1.56 <0.3.0",
     "@langchain/openai": "~0.1.0",
     "zod": "^3.22.4",

libs/langchain-baidu-qianfan/src/chat_models.ts

@@ -18,8 +18,6 @@ import { getEnvironmentVariable } from "@langchain/core/utils/env";
 import { convertEventStreamToIterableReadableDataStream } from "@langchain/core/utils/event_source_parse";
 import { ChatCompletion } from "@baiducloud/qianfan";
 
-import { isValidModel } from "./utils.js";
-
 /**
  * Type representing the role of a message in the Qianfan chat model.
  */
@@ -72,13 +70,13 @@ interface ChatCompletionResponse {
  */
 declare interface BaiduQianfanChatInput {
   /**
-   * Model name to use. Available options are: ERNIE-Bot, ERNIE-Bot-turbo, ERNIE-Bot-4
+   * Model name to use. Available options are: ERNIE-Bot, ERNIE-Lite-8K, ERNIE-Bot-4
    * Alias for `model`
-   * @default "ERNIE-Bot-turbo"
+   * @default "ERNIE-Lite-8K"
    */
   modelName: string;
-  /** Model name to use. Available options are: ERNIE-Bot, ERNIE-Bot-turbo, ERNIE-Bot-4
-   * @default "ERNIE-Bot-turbo"
+  /** Model name to use. Available options are: ERNIE-Bot, ERNIE-Lite-8K, ERNIE-Bot-4
+   * @default "ERNIE-Lite-8K"
    */
   model: string;
 
@@ -217,9 +215,9 @@ export class ChatBaiduQianfan
 
   userId?: string;
 
-  modelName = "ERNIE-Bot-turbo";
+  modelName = "ERNIE-Lite-8K";
 
-  model = "ERNIE-Bot-turbo";
+  model = "ERNIE-Lite-8K";
 
   temperature?: number | undefined;
 
@@ -244,10 +242,6 @@ export class ChatBaiduQianfan
     this.modelName = fields?.model ?? fields?.modelName ?? this.model;
     this.model = this.modelName;
 
-    if (!isValidModel(this.model)) {
-      throw new Error(`Invalid model name: ${this.model}`);
-    }
-
     this.qianfanAK = fields?.qianfanAK ?? getEnvironmentVariable("QIANFAN_AK");
 
     this.qianfanSK = fields?.qianfanSK ?? getEnvironmentVariable("QIANFAN_SK");
@@ -416,7 +410,7 @@ export class ChatBaiduQianfan
       if (!stream) {
         return response;
       } else {
-        let streamResponse = {} as {
+        let streamResponse = {result: ''} as {
           id: string;
           object: string;
           created: number;

libs/langchain-baidu-qianfan/src/tests/chat_models.int.test.ts

@@ -5,21 +5,21 @@ import { ChatBaiduQianfan } from "../chat_models.js";
 
 test("invoke", async () => {
   const chat = new ChatBaiduQianfan({
-    model: "ERNIE-Bot-turbo",
+    model: "ERNIE-Lite-8K",
   });
   const message = new HumanMessage("北京天气");
   const res = await chat.invoke([message]);
-  // console.log({ res });
+  console.log(res.content);
   expect(res.content.length).toBeGreaterThan(10);
 });
 
 test("invokeWithStream", async () => {
   const chat = new ChatBaiduQianfan({
-    model: "ERNIE-Bot-turbo",
+    model: "ERNIE-Lite-8K",
     streaming: true,
   });
   const message = new HumanMessage("等额本金和等额本息有什么区别？");
   const res = await chat.invoke([message]);
-  // console.log({ res });
+  console.log({ res });
   expect(res.content.length).toBeGreaterThan(10);
 });

libs/langchain-community/src/chat_models/tests/chatbaiduwenxin.int.test.ts

@@ -122,17 +122,17 @@ const testConfigs: TestConfig[] = [
     },
     shouldThrow: true,
   },
-  { modelName: "ERNIE-Bot-turbo", config: {} },
+  { modelName: "ERNIE-Lite-8K", config: {} },
   {
-    modelName: "ERNIE-Bot-turbo",
+    modelName: "ERNIE-Lite-8K",
     config: {
       description: "in streaming mode",
       streaming: true,
     },
     message: "您好，请讲个长笑话",
   },
   {
-    modelName: "ERNIE-Bot-turbo",
+    modelName: "ERNIE-Lite-8K",
     config: {
       description: "with system message",
     },

yarn.lock

@@ -8313,9 +8313,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@baiducloud/qianfan@npm:0.1.0":
-  version: 0.1.0
-  resolution: "@baiducloud/qianfan@npm:0.1.0"
+"@baiducloud/qianfan@npm:^0.1.6":
+  version: 0.1.6
+  resolution: "@baiducloud/qianfan@npm:0.1.6"
   dependencies:
     "@babel/preset-react": ^7.24.6
     "@rollup/plugin-inject": ^5.0.5
@@ -8325,11 +8325,12 @@ __metadata:
     bottleneck: ^2.19.5
     crypto-js: ^4.2.0
     dotenv: ^16.4.5
+    express: ^4.19.2
     node-fetch: 2.7.0
     rollup: ^3.29.4
     typescript: ^5.3.3
     web-streams-polyfill: ^4.0.0
-  checksum: 05a607846a8e4d2e86b7ad88c798eb9d8db15cbd8bdafd2606aee522c7fda2b1aa48c30b7cbca92ac17fd2228c8f3d786f6f0b420c5dc4ee05fd8dfa5a720c5e
+  checksum: 63e21d10f971303cb44bf4490086c5abf4603b97ef295efd399d56efaa34aaf90e00f6bbd5d07be3036318320efc71575db3d376b95468f9fef445b26e3fb21a
   languageName: node
   linkType: hard
 
@@ -10973,7 +10974,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@langchain/baidu-qianfan@workspace:libs/langchain-baidu-qianfan"
   dependencies:
-    "@baiducloud/qianfan": 0.1.0
+    "@baiducloud/qianfan": ^0.1.6
     "@jest/globals": ^29.5.0
     "@langchain/core": ">0.1.56 <0.3.0"
     "@langchain/openai": ~0.1.0
@@ -21221,6 +21222,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"body-parser@npm:1.20.2":
+  version: 1.20.2
+  resolution: "body-parser@npm:1.20.2"
+  dependencies:
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+    content-type: ~1.0.5
+    debug: 2.6.9
+    depd: 2.0.0
+    destroy: 1.2.0
+    http-errors: 2.0.0
+    iconv-lite: 0.4.24
+    on-finished: 2.4.1
+    qs: 6.11.0
+    raw-body: 2.5.2
+    type-is: ~1.6.18
+    unpipe: 1.0.0
+  checksum: 14d37ec638ab5c93f6099ecaed7f28f890d222c650c69306872e00b9efa081ff6c596cd9afb9930656aae4d6c4e1c17537bea12bb73c87a217cb3cfea8896737
+  languageName: node
+  linkType: hard
+
 "bonjour-service@npm:^1.0.11":
   version: 1.1.1
   resolution: "bonjour-service@npm:1.1.1"
@@ -22726,7 +22747,7 @@ __metadata:
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-"content-type@npm:^1.0.5, content-type@npm:~1.0.4":
+"content-type@npm:^1.0.5, content-type@npm:~1.0.4, content-type@npm:~1.0.5":
   version: 1.0.5
   resolution: "content-type@npm:1.0.5"
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@@ -22788,7 +22809,7 @@ __metadata:
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-"cookie@npm:^0.6.0":
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   checksum: f56a7d32a07db5458e79c726b77e3c2eff655c36792f2b6c58d351fb5f61531e5b1ab7f46987150136e366c65213cbe31729e02a3eaed630c3bf7334635fb410
@@ -26469,6 +26490,45 @@ __metadata:
   languageName: node
   linkType: hard
 
+"express@npm:^4.19.2":
+  version: 4.19.2
+  resolution: "express@npm:4.19.2"
+  dependencies:
+    accepts: ~1.3.8
+    array-flatten: 1.1.1
+    body-parser: 1.20.2
+    content-disposition: 0.5.4
+    content-type: ~1.0.4
+    cookie: 0.6.0
+    cookie-signature: 1.0.6
+    debug: 2.6.9
+    depd: 2.0.0
+    encodeurl: ~1.0.2
+    escape-html: ~1.0.3
+    etag: ~1.8.1
+    finalhandler: 1.2.0
+    fresh: 0.5.2
+    http-errors: 2.0.0
+    merge-descriptors: 1.0.1
+    methods: ~1.1.2
+    on-finished: 2.4.1
+    parseurl: ~1.3.3
+    path-to-regexp: 0.1.7
+    proxy-addr: ~2.0.7
+    qs: 6.11.0
+    range-parser: ~1.2.1
+    safe-buffer: 5.2.1
+    send: 0.18.0
+    serve-static: 1.15.0
+    setprototypeof: 1.2.0
+    statuses: 2.0.1
+    type-is: ~1.6.18
+    utils-merge: 1.0.1
+    vary: ~1.1.2
+  checksum: 212dbd6c2c222a96a61bc927639c95970a53b06257080bb9e2838adb3bffdb966856551fdad1ab5dd654a217c35db94f987d0aa88d48fb04d306340f5f34dca5
+  languageName: node
+  linkType: hard
+
 "ext@npm:^1.1.2":
   version: 1.7.0
   resolution: "ext@npm:1.7.0"
@@ -36630,7 +36690,7 @@ __metadata:
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-"raw-body@npm:^2.2.0":
+"raw-body@npm:2.5.2, raw-body@npm:^2.2.0":
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   dependencies: