Discogs Image Grabber

Grab Discogs release covers via command line:

$ discogs --token a9c8d34176060890ba50bc300d43ce01 --userAgentURL http://yourwebsite.com --requestURL /releases/561793

The requestURL parameter is the relative URL for master releases and releases according to Discogs API documentation.

Note the different URL schema between website and API:

http://www.discogs.com/Slowdive-Outside-Your-Room-EP/release/582239
http://api.discogs.com/releases/582239

http://www.discogs.com/Slowdive-Outside-Your-Room-EP/master/9486
http://api.discogs.com/masters/9486

API uses plural (releases, masters)!

---

The token is strictly needed, you can get it from the developer settings page of your Discogs account (see Generate new token). Regarding the user agent, Discogs API states that your application must provide a User-Agent string that identifies itself, so providing the userAgentURL parameter will result in issuing the request with:

discogs-image-grabber/{version} +http://yourwebsite.com

In order not to write tokenand userAgentURL all over the place, you may place them in your environment variables, either globally or via .env file, like:

DISCOGS_TOKEN=a9c8d34176060890ba50bc300d43ce01
DISCOGS_USER_AGENT_URL=http://yourwebsite.com

---

If you want to use it into your scripts:

var DiscogsGrabber = require('discogs-image-grabber')

DiscogsGrabber({
  requestURL:   '/releases/561793',
  token:        'a9c8d34176060890ba50bc300d43ce01',
  userAgentURL: 'http://yourwebsite.com'
}).then(function(file){
  // file is the absolute path of the saved image
}).catch(function(error){
  // too bad
})

Disclaimer

Make a fair use of this, so please do not pipe a gazillion request per seconds: Discogs limits them to 20 per minute per IP address - _.throttle and proper timeouts are your friends.

Internet Systems Consortium license

Copyright (c) 2015, Diego Caponera

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.