aio-scrapy 2.1.8

A high-level Web Crawling and Web Scraping framework based on Asyncio

AioScrapy

AioScrapy是一个基于Python异步IO的强大网络爬虫框架。它的设计理念源自Scrapy，但完全基于异步IO实现，提供更高的性能和更灵活的配置选项。
AioScrapy is a powerful asynchronous web crawling framework built on Python's asyncio library. It is inspired by Scrapy but completely reimplemented with asynchronous IO, offering higher performance and more flexible configuration options.

特性 | Features

• 完全异步：基于Python的asyncio库，实现高效的并发爬取

• 多种下载处理程序：支持多种HTTP客户端，包括aiohttp、httpx、requests、pyhttpx、curl_cffi、DrissionPage和playwright

• 灵活的中间件系统：轻松添加自定义功能和处理逻辑

• 强大的数据处理管道：支持多种数据库存储选项

• 内置信号系统：方便的事件处理机制

• 丰富的配置选项：高度可定制的爬虫行为

• 分布式爬取：支持使用Redis和RabbitMQ进行分布式爬取

• 数据库集成：内置支持Redis、MySQL、MongoDB、PostgreSQL和RabbitMQ

• Fully Asynchronous: Built on Python's asyncio for efficient concurrent crawling

• Multiple Download Handlers: Support for various HTTP clients including aiohttp, httpx, requests, pyhttpx, curl_cffi, DrissionPage and playwright

• Flexible Middleware System: Easily add custom functionality and processing logic

• Powerful Data Processing Pipelines: Support for various database storage options

• Built-in Signal System: Convenient event handling mechanism

• Rich Configuration Options: Highly customizable crawler behavior

• Distributed Crawling: Support for distributed crawling using Redis and RabbitMQ

• Database Integration: Built-in support for Redis, MySQL, MongoDB, PostgreSQL, and RabbitMQ

安装 | Installation

要求 | Requirements

• Python 3.9+

使用pip安装 | Install with pip

pip install aio-scrapy

# Install the latest aio-scrapy
# pip install git+https://github.com/ConlinH/aio-scrapy

开始 | Start

from aioscrapy import Spider, logger


class MyspiderSpider(Spider):
    name = 'myspider'
    custom_settings = {
        "CLOSE_SPIDER_ON_IDLE": True
    }
    start_urls = ["https://quotes.toscrape.com"]

    @staticmethod
    async def process_request(request, spider):
        """ request middleware """
        pass

    @staticmethod
    async def process_response(request, response, spider):
        """ response middleware """
        return response

    @staticmethod
    async def process_exception(request, exception, spider):
        """ exception middleware """
        pass

    async def parse(self, response):
        for quote in response.css('div.quote'):
            item = {
                'author': quote.xpath('span/small/text()').get(),
                'text': quote.css('span.text::text').get(),
            }
            yield item

    async def process_item(self, item):
        logger.info(item)


if __name__ == '__main__':
    MyspiderSpider.start()

文档 | Documentation

文档目录 | Documentation Contents

• 安装指南 | Installation Guide
• 快速入门 | Quick Start
• 核心概念 | Core Concepts
• 爬虫指南 | Spider Guide
• 下载器 | Downloaders
• 中间件 | Middlewares
• 管道 | Pipelines
• 队列 | Queues
• 请求过滤器 | Request Filters
• 代理 | Proxy
• 数据库连接 | Database Connections
• 分布式部署 | Distributed Deployment
• 配置参考 | Settings Reference
• API参考 | API Reference
• 示例 | Example

许可证 | License

本项目采用MIT许可证 - 详情请查看LICENSE文件。
This project is licensed under the MIT License - see the LICENSE file for details.

联系

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