Skip to content
/ gain Public
forked from elliotgao2/gain

Web crawling framework based on asyncio.

License

Notifications You must be signed in to change notification settings

zai3333/gain

 
 

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

85 Commits
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

Build Python Version License

Web crawling framework for everyone. Written with asyncio, uvloop and aiohttp.

Requirements

  • Python3.5+

Installation

pip install gain

pip install uvloop (Only linux)

Usage

  1. Write spider.py:
from gain import Css, Item, Parser, Spider
import aiofiles

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

    async def save(self):
        async with aiofiles.open('scrapinghub.txt', 'a+') as f:
            await f.write(self.results['title'])


class MySpider(Spider):
    concurrency = 5
    headers = {'User-Agent': 'Google 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()

Or use XPathParser:

from gain import Css, Item, Parser, XPathParser, Spider


class Post(Item):
    title = Css('.breadcrumb_last')

    async def save(self):
        print(self.title)


class MySpider(Spider):
    start_url = 'https://mydramatime.com/europe-and-us-drama/'
    concurrency = 5
    headers = {'User-Agent': 'Google Spider'}
    parsers = [
               XPathParser('//span[@class="category-name"]/a/@href'),
               XPathParser('//div[contains(@class, "pagination")]/ul/li/a[contains(@href, "page")]/@href'),
               XPathParser('//div[@class="mini-left"]//div[contains(@class, "mini-title")]/a/@href', Post)
              ]
    proxy = 'https://localhost:1234'

MySpider.run()

You can add proxy setting to spider as above.

  1. Run python spider.py

  2. Result:

Example

The examples are in the /example/ directory.

Contribution

  • Pull request.
  • Open issue.

About

Web crawling framework based on asyncio.

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages

  • Python 100.0%