Osmosis
HTML/XML parser and web scraper for NodeJS.
Features
-
Uses native libxml C bindings
-
Clean promise-like interface
-
Supports CSS 3.0 and XPath 1.0 selector hybrids
-
No large dependencies like jQuery, cheerio, or jsdom
-
Compose deep and complex data structures
-
HTML parser features
- Fast parsing
- Very fast searching
- Small memory footprint
-
HTML DOM features
- Load and search ajax content
- DOM interaction and events
- Execute embedded and remote scripts
- Execute code in the DOM
-
HTTP request features
- Logs urls, redirects, and errors
- Cookie jar and custom cookies/headers/user agent
- Login/form submission, session cookies, and basic auth
- Single proxy or multiple proxies and handles proxy failure
- Retries and redirect limits
Example
var osmosis = require('osmosis');
osmosis
.get('www.craigslist.org/about/sites')
.find('h1 + div a')
.set('location')
.follow('@href')
.find('header + div + div li > a')
.set('category')
.follow('@href')
.paginate('.totallink + a.button.next:first')
.find('p > a')
.follow('@href')
.set({
'title': 'section > h2',
'description': '#postingbody',
'subcategory': 'div.breadbox > span[4]',
'date': 'time@datetime',
'latitude': '#map@data-latitude',
'longitude': '#map@data-longitude',
'images': ['img@src']
})
.data(function(listing) {
// do something with listing data
})
.log(console.log)
.error(console.log)
.debug(console.log)Documentation
For documentation and examples check out https://rchipka.github.io/node-osmosis/global.html
Dependencies
- libxmljs-dom - DOM wrapper for libxmljs C bindings
- needle - Lightweight HTTP wrapper
Donate
Please consider a donation if you depend on web scraping and Osmosis makes your job a bit easier. Your contribution allows me to spend more time making this the best web scraper for Node.
