Fast asynchronous web scraper with minimalist API.
Project description
Hypotonic
Fast asynchronous web scraper with minimalist API inspired by awesome node-osmosis.
Hypotonic provides SQLAlchemy-like command chaining DSL to define HTML scrapers. Everything is executed asynchronously via asyncio
and all dependencies are pure Python. Supports querying by CSS selectors with Scrapy's pseudo-attributes. XPath is not supported due to libxml
requirement.
Hypotonic does not natively execute JavaScript on websites and it is recommended to use prerender.
Installing
Hypotonic requires Python 3.6+.
pip install hypotonic
Example
from hypotonic import Hypotonic
data, errors = (
Hypotonic()
.get('http://books.toscrape.com/')
.paginate('.next a::attr(href)', 5)
.find('.product_pod h3')
.set('title')
.follow('a::attr(href)')
.set({'price': '.price_color',
'availability': 'p.availability'})
.data()
)
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