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86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
import { AbstractTool } from './AbstractTool.js'
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import { ChatGPTAPI } from '../openai/chatgpt-api.js'
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import { Config } from '../config.js'
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import fetch from 'node-fetch'
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import proxy from 'https-proxy-agent'
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import { getMaxModelTokens } from '../common.js'
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import { ChatGPTPuppeteer } from '../browser.js'
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export class WebsiteTool extends AbstractTool {
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name = 'website'
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parameters = {
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properties: {
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url: {
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type: 'string',
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description: '要访问的网站网址'
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}
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},
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required: ['url']
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}
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func = async function (opts) {
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let { url } = opts
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try {
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// let res = await fetch(url, {
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// headers: {
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// 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36'
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// }
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// })
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// let text = await res.text()
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let origin = false
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if (!Config.headless) {
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Config.headless = true
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origin = true
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}
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let ppt = new ChatGPTPuppeteer()
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let browser = await ppt.getBrowser()
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let page = await browser.newPage()
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await page.goto(url, {
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waitUntil: 'networkidle2'
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})
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let text = await page.content()
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await page.close()
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if (origin) {
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Config.headless = false
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}
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// text = text.replace(/<style\b[^<]*(?:(?!<\/style>)<[^<]*)*<\/style>/gi, '')
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// .replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, '')
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// .replace(/<head\b[^<]*(?:(?!<\/head>)<[^<]*)*<\/head>/gi, '')
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// .replace(/<!--[\s\S]*?-->/gi, '')
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text = text.replace(/<style\b[^<]*(?:(?!<\/style>)<[^<]*)*<\/style>/gi, '') // 移除<style>标签及其内容
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.replace(/<[^>]+style\s*=\s*(["'])(?:(?!\1).)*\1[^>]*>/gi, '') // 移除带有style属性的标签
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.replace(/<[^>]+>/g, '')
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let maxModelTokens = getMaxModelTokens(Config.model)
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text = text.slice(0, Math.min(text.length, maxModelTokens - 1600))
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let api = new ChatGPTAPI({
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apiBaseUrl: Config.openAiBaseUrl,
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apiKey: Config.apiKey,
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debug: false,
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completionParams: {
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model: Config.model
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},
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fetch: (url, options = {}) => {
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const defaultOptions = Config.proxy
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? {
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agent: proxy(Config.proxy)
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}
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: {}
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const mergedOptions = {
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...defaultOptions,
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...options
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}
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return fetch(url, mergedOptions)
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},
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maxModelTokens
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})
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const htmlContentSummaryRes = await api.sendMessage(`这是一个网页html经过筛选的内容，请你进一步去掉其中的标签、样式、script等无用信息，并从中提取出其中的主体内容转换成自然语言告诉我，不需要主观描述性的语言。${text}`)
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let htmlContentSummary = htmlContentSummaryRes.text
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return `this is the main content of website:\n ${htmlContentSummary}`
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} catch (err) {
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return `failed to visit the website, error: ${err.toString()}`
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}
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}
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description = 'Useful when you want to browse a website by url'
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}
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