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Hyperbrowser 是一个用于运行和扩展无头浏览器的平台。它允许您大规模启动和管理浏览器会话,并提供易于使用的解决方案以满足任何网页抓取需求,例如抓取单个页面或爬取整个站点。
主要功能:
- 即时扩展能力 - 无需基础设施烦恼,数秒内启动数百个浏览器会话
- 简单集成 - 与 Puppeteer 和 Playwright 等流行工具无缝协作
- 强大的 API - 易于使用的 API 用于抓取/爬取任何网站,以及更多功能
- 绕过反机器人措施 - 内置隐身模式、广告拦截、自动验证码解决和代理轮换
本指南提供了开始使用 Hyperbrowser 网页工具的快速概述。
有关 Hyperbrowser 的更多信息,请访问 Hyperbrowser 网站,或者如果您想查看文档,可以访问 Hyperbrowser 文档。
核心功能
Hyperbrowser 提供强大的抓取功能,允许您从任何网页提取数据。该抓取工具可以将网页内容转换为结构化格式(如 markdown 或 HTML),使处理和数据分析变得容易。
爬取功能使您能够自动导航网站的多个页面。您可以设置参数(如页面限制)来控制爬虫探索站点的程度,收集其访问的每个页面的数据。
Hyperbrowser 的提取功能使用 AI 根据您的定义模式从网页中提取特定信息。这允许您将非结构化的网页内容转换为您确切要求的结构化数据。
集成详情
| 工具 | 包 | 本地 | 可序列化 | JS 支持 |
|---|
| 爬取工具 | langchain-hyperbrowser | ❌ | ❌ | ❌ |
| 抓取工具 | langchain-hyperbrowser | ❌ | ❌ | ❌ |
| 提取工具 | langchain-hyperbrowser | ❌ | ❌ | ❌ |
要访问 Hyperbrowser 网页工具,您需要安装 langchain-hyperbrowser 集成包,并创建 Hyperbrowser 账户获取 API 密钥。
前往 Hyperbrowser 注册并生成 API 密钥。完成后,设置 HYPERBROWSER_API_KEY 环境变量:
export HYPERBROWSER_API_KEY=<your-api-key>
安装 langchain-hyperbrowser。
pip install -qU langchain-hyperbrowser
实例化
爬取工具
HyperbrowserCrawlTool 是一个强大的工具,可以从给定 URL 开始爬取整个网站。它支持可配置的页面限制和抓取选项。
from langchain_hyperbrowser import HyperbrowserCrawlTool
tool = HyperbrowserCrawlTool()
抓取工具
HyperbrowserScrapeTool 是一个可以从网页抓取内容的工具。它支持 markdown 和 HTML 输出格式,以及元数据提取。
from langchain_hyperbrowser import HyperbrowserScrapeTool
tool = HyperbrowserScrapeTool()
提取工具
HyperbrowserExtractTool 是一个强大的工具,使用 AI 从网页提取结构化数据。它可以根据预定义的模式提取信息。
from langchain_hyperbrowser import HyperbrowserExtractTool
tool = HyperbrowserExtractTool()
基本用法
爬取工具
from langchain_hyperbrowser import HyperbrowserCrawlTool
result = HyperbrowserCrawlTool().invoke(
{
"url": "https://example.com",
"max_pages": 2,
"scrape_options": {"formats": ["markdown"]},
}
)
print(result)
{'data': [CrawledPage(metadata={'url': 'https://www.example.com/', 'title': 'Example Domain', 'viewport': 'width=device-width, initial-scale=1', 'sourceURL': 'https://example.com'}, html=None, markdown='Example Domain\n\n# Example Domain\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)', links=None, screenshot=None, url='https://example.com', status='completed', error=None)], 'error': None}
抓取工具
from langchain_hyperbrowser import HyperbrowserScrapeTool
result = HyperbrowserScrapeTool().invoke(
{"url": "https://example.com", "scrape_options": {"formats": ["markdown"]}}
)
print(result)
{'data': ScrapeJobData(metadata={'url': 'https://www.example.com/', 'title': 'Example Domain', 'viewport': 'width=device-width, initial-scale=1', 'sourceURL': 'https://example.com'}, html=None, markdown='Example Domain\n\n# Example Domain\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)', links=None, screenshot=None), 'error': None}
提取工具
from langchain_hyperbrowser import HyperbrowserExtractTool
from pydantic import BaseModel
class SimpleExtractionModel(BaseModel):
title: str
result = HyperbrowserExtractTool().invoke(
{
"url": "https://example.com",
"schema": SimpleExtractionModel,
}
)
print(result)
{'data': {'title': 'Example Domain'}, 'error': None}
使用自定义选项
带自定义选项的爬取工具
result = HyperbrowserCrawlTool().run(
{
"url": "https://example.com",
"max_pages": 2,
"scrape_options": {
"formats": ["markdown", "html"],
},
"session_options": {"use_proxy": True, "solve_captchas": True},
}
)
print(result)
{'data': [CrawledPage(metadata={'url': 'https://www.example.com/', 'title': 'Example Domain', 'viewport': 'width=device-width, initial-scale=1', 'sourceURL': 'https://example.com'}, html=None, markdown='Example Domain\n\n# Example Domain\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)', links=None, screenshot=None, url='https://example.com', status='completed', error=None)], 'error': None}
带自定义选项的抓取工具
result = HyperbrowserScrapeTool().run(
{
"url": "https://example.com",
"scrape_options": {
"formats": ["markdown", "html"],
},
"session_options": {"use_proxy": True, "solve_captchas": True},
}
)
print(result)
{'data': ScrapeJobData(metadata={'url': 'https://www.example.com/', 'title': 'Example Domain', 'viewport': 'width=device-width, initial-scale=1', 'sourceURL': 'https://example.com'}, html='<html><head>\n <title>Example Domain</title>\n\n <meta charset="utf-8">\n <meta http-equiv="Content-type" content="text/html; charset=utf-8">\n <meta name="viewport" content="width=device-width, initial-scale=1">\n \n</head>\n\n<body>\n<div>\n <h1>Example Domain</h1>\n <p>This domain is for use in illustrative examples in documents. You may use this\n domain in literature without prior coordination or asking for permission.</p>\n <p><a href="https://www.iana.org/domains/example">More information...</a></p>\n</div>\n\n\n</body></html>', markdown='Example Domain\n\n# Example Domain\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)', links=None, screenshot=None), 'error': None}
带自定义模式的提取工具
from typing import List
from pydantic import BaseModel
class ProductSchema(BaseModel):
title: str
price: float
class ProductsSchema(BaseModel):
products: List[ProductSchema]
result = HyperbrowserExtractTool().run(
{
"url": "https://dummyjson.com/products?limit=10",
"schema": ProductsSchema,
"session_options": {"session_options": {"use_proxy": True}},
}
)
print(result)
{'data': {'products': [{'price': 9.99, 'title': 'Essence Mascara Lash Princess'}, {'price': 19.99, 'title': 'Eyeshadow Palette with Mirror'}, {'price': 14.99, 'title': 'Powder Canister'}, {'price': 12.99, 'title': 'Red Lipstick'}, {'price': 8.99, 'title': 'Red Nail Polish'}, {'price': 49.99, 'title': 'Calvin Klein CK One'}, {'price': 129.99, 'title': 'Chanel Coco Noir Eau De'}, {'price': 89.99, 'title': "Dior J'adore"}, {'price': 69.99, 'title': 'Dolce Shine Eau de'}, {'price': 79.99, 'title': 'Gucci Bloom Eau de'}]}, 'error': None}
异步用法
所有工具都支持异步用法:
from typing import List
from langchain_hyperbrowser import (
HyperbrowserCrawlTool,
HyperbrowserExtractTool,
HyperbrowserScrapeTool,
)
from pydantic import BaseModel
class ExtractionSchema(BaseModel):
popular_library_name: List[str]
async def web_operations():
# Crawl
crawl_tool = HyperbrowserCrawlTool()
crawl_result = await crawl_tool.arun(
{
"url": "https://example.com",
"max_pages": 5,
"scrape_options": {"formats": ["markdown"]},
}
)
# Scrape
scrape_tool = HyperbrowserScrapeTool()
scrape_result = await scrape_tool.arun(
{"url": "https://example.com", "scrape_options": {"formats": ["markdown"]}}
)
# Extract
extract_tool = HyperbrowserExtractTool()
extract_result = await extract_tool.arun(
{
"url": "https://npmjs.com",
"schema": ExtractionSchema,
}
)
return crawl_result, scrape_result, extract_result
results = await web_operations()
print(results)
---------------------------------------------------------------------------
NameError Traceback (most recent call last)
Cell In[6], line 10
1 from langchain_hyperbrowser import (
2 HyperbrowserCrawlTool,
3 HyperbrowserExtractTool,
4 HyperbrowserScrapeTool,
5 )
7 from pydantic import BaseModel
---> 10 class ExtractionSchema(BaseModel):
11 popular_library_name: List[str]
14 async def web_operations():
15 # Crawl
Cell In[6], line 11, in ExtractionSchema()
10 class ExtractionSchema(BaseModel):
---> 11 popular_library_name: List[str]
NameError: name 'List' is not defined
在智能体中使用
以下是如何在智能体中使用任何网页工具的方法:
from langchain_hyperbrowser import HyperbrowserCrawlTool
from langchain_openai import ChatOpenAI
from langchain.agents import create_agent
# Initialize the crawl tool
crawl_tool = HyperbrowserCrawlTool()
# Create the agent with the crawl tool
model = ChatOpenAI(temperature=0)
agent = create_agent(model, [crawl_tool])
user_input = "Crawl https://example.com and get content from up to 5 pages"
for step in agent.stream(
{"messages": user_input},
stream_mode="values",
):
step["messages"][-1].pretty_print()
================================ Human Message =================================
Crawl https://example.com and get content from up to 5 pages
================================== Ai Message ==================================
Tool Calls:
hyperbrowser_crawl_data (call_G2ofdHOqjdnJUZu4hhbuga58)
Call ID: call_G2ofdHOqjdnJUZu4hhbuga58
Args:
url: https://example.com
max_pages: 5
scrape_options: {'formats': ['markdown']}
================================= Tool Message =================================
Name: hyperbrowser_crawl_data
{'data': [CrawledPage(metadata={'url': 'https://www.example.com/', 'title': 'Example Domain', 'viewport': 'width=device-width, initial-scale=1', 'sourceURL': 'https://example.com'}, html=None, markdown='Example Domain\n\n# Example Domain\n\nThis domain is for use in illustrative examples in documents. You may use this\ndomain in literature without prior coordination or asking for permission.\n\n[More information...](https://www.iana.org/domains/example)', links=None, screenshot=None, url='https://example.com', status='completed', error=None)], 'error': None}
================================== Ai Message ==================================
I have crawled the website [https://example.com](https://example.com) and retrieved content from the first page. Here is the content in markdown format:
\`\`\`
Example Domain
# Example Domain
This domain is for use in illustrative examples in documents. You may use this
domain in literature without prior coordination or asking for permission.
[More information...](https://www.iana.org/domains/example)
\`\`\`
If you would like to crawl more pages or need additional information, please let me know!
配置选项
通用选项
所有工具都支持这些基本配置选项:
url: 要处理的 URL
session_options: 浏览器会话配置
use_proxy: 是否使用代理
solve_captchas: 是否自动解决验证码
accept_cookies: 是否接受 Cookie
工具特定选项
爬取工具
max_pages: 要爬取的最大页数
scrape_options: 抓取每个页面的选项
formats: 输出格式列表(markdown, html)
抓取工具
scrape_options: 抓取页面的选项
formats: 输出格式列表(markdown, html)
提取工具
schema: 定义要提取结构的 Pydantic 模型
extraction_prompt: 用于提取的自然语言提示
更多详细信息,请参阅相应的 API 参考:
API 参考