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MIT Licensed Documentation Status DOI

Cassiopeia

A Python adaptation of the Riot Games League of Legends API (https://developer.riotgames.com/).

Cassiopeia is 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.

Installation

pip install cassiopeia or see here for more information.

Match-V5 Update

On Monday, September 13th, 2021 Riot deprecated the match-v4 endpoints in favor of match-v5. The codebase was migrated to use the new endpoints, but it's likely that some bugs exist due to all the complex functionality between data types in Cass. Please submit PRs (preferably) or issues if you find bugs, and feel free to message the developers by creating an issue if you would like to contribute but don't know how to go about fixing a bug.

Why use Cass?

  • 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 champion.gg API in addition to the Riot API.

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

Documentation and Examples

Cassiopeia's documentation and examples may be a little out of date, but should be quite helpful when getting started. Please submit a PR for any changes.

Example

Here's an example of a basic use of the API. The full documentation can be found at http://cassiopeia.readthedocs.org/en/latest/.

import random

import cassiopeia as cass

cass.set_riot_api_key("YOUR_KEY")  # This overrides the value set in your configuration/settings.

summoner = cass.get_summoner(name="Perkz", region="NA")
print("{name} is a level {level} summoner on the {region} server.".format(name=summoner.name,
                                                                          level=summoner.level,
                                                                          region=summoner.region))

champions = cass.get_champions(region="NA")
random_champion = random.choice(champions)
print("He enjoys playing champions such as {name}.".format(name=random_champion.name))

challenger_league = cass.get_challenger_league(queue=cass.Queue.ranked_solo_fives)
best_na = challenger_league[0].summoner
print("He's not as good as {name} at League, but probably a better python programmer!".format(name=best_na.name))

Django web Framework

There is an integration of cassiopeia to the popular python web framework Django made by Mori(Paaksing), this integration is aimed to fix most issues/conflicts related to co-ocurrence of cassiopeia and Django. In this integration will give you better tools for building your Django/DRF based app, you will have the ability to use any production tested cache backends that Django's cache framework supports.

A datastore called Omnistone is introduced in response to issue #1 of this repo, this is a refined version of Cache that automatically deletes expired objects when MAX_ENTRIES is hit, then culls the datastore according to the CULL_FRECUENCY given. The culling strategy used is the same as Django Cache Framework, which is LRU culling (Least Recently Used).

  • Link to django-cassiopeia repository (If you love using it, make sure to star!).
  • Link to django-cassiopeia documentations (Production Release v2.0).
  • If you have any issues or feature requests with django-cassiopeia, tag Mori in our discord server, or fire an issue in the repository.

Unfortunately, we currently don't have an integration to Flask and any contribution is welcome.

Questions/Contributions

Feel free to send pull requests or to contact us via github or discord. More information can be found in our documentation.

Bugs

If you find bugs please let us know via an issue or pull request. If you would like to help maintain Cassiopeia, let us know and we will invite you to our discord server.

Citing Cassiopeia

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

Support Us

If you've loved using Cassiopeia, consider supporting us through PayPal or Patreon.

Disclaimer

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.