UNPKG

esp-ai

Version:

Provide a complete set of AI dialogue solutions for your development board, including but not limited to the IAT+LLM+TTS integration solution for the ESP32 series development board. | 为你的开发板提供全套的AI对话方案,包括但不限于 `ESP32` 系列开发板的 `IAT+LLM+TTS` 集成方案。

153 lines (134 loc) 6.58 kB
/** * Copyright (c) 2024 小明IO * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Commercial use of this software requires prior written authorization from the Licensor. * 请注意:将 ESP-AI 代码用于商业用途需要事先获得许可方的授权。 * 删除与修改版权属于侵权行为,请尊重作者版权,避免产生不必要的纠纷。 * * @author 小明IO * @email 1746809408@qq.com * @github https://github.com/wangzongming/esp-ai * @websit https://espai.fun */ const axios = require('axios'); /** * 大语言模型插件 * @param {String} device_id 设备id * @param {Number} devLog 日志输出等级,为0时不应该输出任何日志 * @param {Object} llm_config 用户配置的 apikey 等信息 * @param {String} iat_server 用户配置的 iat 服务 * @param {String} llm_server 用户配置的 llm 服务 * @param {String} tts_server 用户配置的 tts 服务 * @param {String} text 对话文本 * @param {Function} connectServerBeforeCb 连接 LLM 服务逻辑开始前需要调用这个方法告诉框架:eg: connectServerBeforeCb() * @param {Function} connectServerCb 连接 LLM 服务后需要调用这个方法告诉框架:eg: connectServerCb(true) * @param {Function} cb LLM 服务返回音频数据时调用,eg: cb({ count_text, text, texts }) * @param {Function} llmServerErrorCb 与 LLM 服务之间发生错误时调用,并且传入错误说明,eg: llmServerErrorCb("意外错误") * @param {Function} llm_params_set 用户配置的设置 LLM 参数的函数 * @param {Function} logWSServer 将 ws 服务回传给框架,如果不是ws服务可以这么写: logWSServer({ close: ()=> { 中断逻辑... } }) * @param {{role, content}[]} llm_init_messages 用户配置的初始化时的对话数据 * @param {{role, content}[]} llm_historys llm 历史对话数据 * @param {Function} log 为保证日志输出的一致性,请使用 log 对象进行日志输出,eg: log.error("错误信息")、log.info("普通信息")、log.llm_info("llm 专属信息") * */ async function LLM_FN({ devLog, is_pre_connect, llm_config, text, llmServerErrorCb, llm_init_messages = [], llm_historys = [], cb, llm_params_set, logWSServer, connectServerBeforeCb, connectServerCb, log }) { try { const { url = 'https://api.espai2.fun/ai_api/llm', api_key, model = "qwen2.5:32b", ...other_config } = llm_config; if (!api_key) return log.error(`请配给 LLM 配置 api_key 参数。`) // 预先连接函数 async function preConnect() { try { await axios.post(url, { messages: [{ "role": "user", "content": "" }], "model": model, "api_key": api_key }, { headers: { 'Content-Type': 'application/json' } }) } catch (error) { log.error('预先连接失败:', error); } } if (is_pre_connect) { preConnect() return; } // 如果关闭后 message 还没有被关闭,需要定义一个标志控制 let shouldClose = false; // 这个对象是固定写法,每个 TTS 都必须按这个结构定义 const texts = { all_text: "", count_text: "", index: 0, } const data = { ...other_config, "message": [ ...llm_init_messages, ...llm_historys, { "role": "user", "content": text } ], "model": model, "api_key": api_key }; logWSServer({ close: () => { shouldClose = true; } }) connectServerBeforeCb(); axios.post(url, llm_params_set ? llm_params_set({ ...data }) : data, { headers: { 'Content-Type': 'application/json' }, responseType: 'stream' }).then((response) => { connectServerCb(true); const stream = response.data; stream.on('data', chunk => { if (shouldClose) return; let chunk_text = chunk.toString(); devLog === 2 && log.llm_info('LLM 输出 :', chunk_text); try { const res = JSON.parse(chunk_text); if (res?.success === false) { chunk_text = res.message; console.error(`ESP-AI-LLM 服务错误:${res.message}`); llmServerErrorCb(`ESP-AI-LLM 服务错误:${res.message}`, res.code); connectServerCb(false); } } catch (error) { } texts["count_text"] += chunk_text; cb({ text, texts, chunk_text: chunk_text }) }); stream.on('end', () => { if (shouldClose) return; cb({ text, is_over: true, texts, shouldClose }) connectServerCb(false); devLog && log.llm_info("LLM 结果: " + texts["count_text"]) devLog && log.llm_info('LLM connect close!\n') }); stream.on('error', (err) => { if (shouldClose) return; console.error('Stream error:', err); connectServerCb(false); llmServerErrorCb("llm connect err: " + err) }); }) } catch (err) { connectServerCb(false); console.log(err); log.error("ESP-AI-LLM 插件错误:", err) } } module.exports = LLM_FN;