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Django Integration of the Riot Games Developer API Wrapper 'cassiopeia'

Project description

MIT Licensed Documentation Status GitHub issues

Django Cassiopeia

An Integration of Cassiopeia to the Django Framework (Compatible with DRF) including more new features.

Cassiopeia itself is a Python adaptation of the Riot Games League of Legends API ( For instance it is also the sister library to Orianna (Java). It's been designed with usability in mind - making sure all the bookkeeping is done right so you can focus on getting the data you need and building your application.


Django Cassiopeia has detailed documentation. For functions and methods of Cassiopeia is found is this documentation

Installation and Requirements


pip install django-cassiopeia

Quick Start and/or Setup for your Django Project

  • Please check out the things that you should NOT do when using django-cassiopeia in this page
  • For setup in your Django environment, follow the setup instructions in django-cassiopeia's documentation
  • A Quick Start is also provided on django-cassiopeia's documentation
  • Taking in mind the instruction above, for all the methods and function of cassiopeia is found in this documentation

Why use Cassiopeia (quoting from Cassiopeia repository)?

  • An excellent user interface that makes working with data from the Riot API easy and fun.

  • "Perfect" rate limiting.

  • Guaranteed optimal usage of your API key.

  • Built in caching and (coming) the ability to easily hook into a database for offline storage of data.

  • Extendability to non-Riot data. Because Cass is a framework and not just an API wrapper, you can integrate your own data sources into your project. Cass already supports Data Dragon and the API in addition to the Riot API.

  • Dynamic settings so you can configure Cass for your specific use case.

Features Integration and Problem Fixing

  • Cassiopeia current caching system does not automatically (or regularly) expire objects on expirations which might cause severe memory issues when working with web frameworks if it goes out of your control. This integration will give you the ability to use Django's cache framework for your caching, which is full production tested.

  • The variety of cache backends that Cass provides may not fit your needs when paired with Django, now you can use ANY cache backends of your like that the Django's cache framework supports: Django-Redis, python-Memcached, pylibmc, Filebased, MySQL, Postgre, SQLite, ... (Check out Django's cache framework official docs for more). Also ! You can configure it to have more than 1 cache, the ability to separate multiple objects to different caching system.

  • When not imported Cassiopeia correctly within the Django environment, each time you call a function that uses cass will create a new instance of it and killing all existing Ghost modules (for information of Cassiopeia's Ghost(Lazy) loading check out its documentations), creating conflicts that might crash your server. This meant to fix (or try to fix, still under test) this problem

  • The "Perfect" rate limiting does not actually work here .. since a Web Framework can behave in a variety of process flow: multi-process, async, conj. (see Existing Problems below).

  • The Settings interface is adapted to a syntax that is compatible (visually) with Django Settings (see Setup for Django environment below).

Existing Problems (minor ?) and Plans

  • The current rate limiter is the same used in cassiopeia, so is rather a "Do not black list me" rate limiter (which is what the Riot Team recommends), but we (both cass and django-cass devs) prefer to not get as much 429s, a rate limiter that fits (or may fits) to Django is under going research.
  • Django's Cache cannot cache data yet .. in a very very short time will be updated the support.


  • There is a caveat when using Django's cache over the Standard cache that Cassiopeia provides: It cannot cache cassiopeia.core objects due to the fact of its key not being of type string or a picklable object, so it rather caches cassiopeia.dto objects which then automatically be transform to cassiopeia.core. The time consumption difference is super minimal cassiopeia.dto needs some 20ms more than cassiopeia.core, but cassiopeia.core takes a lot more memory (at least 5 times more if you use compressors on your Django's cache).


  • For Django Cassiopeia: Feel free to send pull requests or to contact us via this github or our general discord. More information can be found in our documentation.
  • For Cassiopeia: feel free to send pull requests or to contact cassiopeia devs via cassiopeia's github or the same discord server. More information about main cassiopeia is found in this documentation.

Citing Cassiopeia (Quoting from cassiopeia repository)

If you used Cassiopeia for your research, please cite the project.

Supporting Cassiopeia and Django Cassiopeia

  • If you've loved using Cassiopeia, consider supporting the former developers of the main framework through PayPal or Patreon.
  • If you want to support this specific project (django-cassiopeia), consider supporting me through Patreon too.


Django Cassiopeia existence is acknowleged by cassiopeia's former developers. Both package/framework/library is updated in parallel with some exceptions due to the fact of different use cases.

Cassiopeia/Django-Cassiopeia isn't endorsed by Riot Games and doesn't reflect the views or opinions of Riot Games or anyone officially involved in producing or managing League of Legends. League of Legends and Riot Games are trademarks or registered trademarks of Riot Games, Inc. League of Legends © Riot Games, Inc.

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