Gain:基于 asyncio, uvloop 和 aiohttp 的 Python 爬虫框架

栏目: Python · 发布时间: 7年前

内容简介:Gain:基于 asyncio, uvloop 和 aiohttp 的 Python 爬虫框架

Gain

Web crawling framework for everyone. Written with asyncio, uvloop and aiohttp. Every could write their own web crawler easily with gain framework. Gain framework provide a pretty simple api.

Road map

  • Basic spider
  • [] Custom header

Requirements

  • Python3.5+

Based on

  • asyncio
  • uvloop
  • aiohttp
  • pybloomfiltermmap
  • pyquery

Installation

pip install gain

Usage

Write spider.py:

from gain import Css, Item, Parser, Spider


class Post(Item):
    title = Css('.entry-title')
    content = Css('.entry-content')

    async def save(self):
        with open('scrapinghub.txt', 'a+') as f:
            f.writelines(self.results['title'] + '\n')


class MySpider(Spider):
    start_url = 'https://blog.scrapinghub.com/'
    parsers = [Parser('https://blog.scrapinghub.com/page/\d+/'),
               Parser('https://blog.scrapinghub.com/\d{4}/\d{2}/\d{2}/[a-z0-9\-]+/', Post)]


MySpider.run()

run python spider.py

Gain:基于 asyncio, uvloop 和 aiohttp 的  <a href='https://www.codercto.com/topics/20097.html'>Python</a>  爬虫框架

Example

the examples are in the /example/ directory.

Contribution

Just pull request or open issue.


以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持 码农网

查看所有标签

猜你喜欢:

本站部分资源来源于网络,本站转载出于传递更多信息之目的,版权归原作者或者来源机构所有,如转载稿涉及版权问题,请联系我们

Scalability Rules

Scalability Rules

Martin L. Abbott、Michael T. Fisher / Addison-Wesley Professional / 2011-5-15 / USD 29.99

"Once again, Abbott and Fisher provide a book that I'll be giving to our engineers. It's an essential read for anyone dealing with scaling an online business." --Chris Lalonde, VP, Technical Operatio......一起来看看 《Scalability Rules》 这本书的介绍吧!

XML 在线格式化
XML 在线格式化

在线 XML 格式化压缩工具

UNIX 时间戳转换
UNIX 时间戳转换

UNIX 时间戳转换

HEX HSV 转换工具
HEX HSV 转换工具

HEX HSV 互换工具