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Project Description


Pychallonge provides python bindings for the CHALLONGE! API.


  • iso8601
  • requests

Python version support

  • 2.7
  • 3.4+


For the stable version

pip install pychal

For latest development

pip install -e git+


import challonge

# Tell pychallonge about your [CHALLONGE! API credentials](
challonge.set_credentials("your_challonge_username", "your_api_key")

# Retrieve a tournament by its id (or its url).
tournament =

# Tournaments, matches, and participants are all represented as normal Python dicts.
print(tournament["id"]) # 3272
print(tournament["name"]) # My Awesome Tournament
print(tournament["started-at"]) # None

# Retrieve the participants for a given tournament.
participants = challonge.participants.index(tournament["id"])
print(len(participants)) # 13

# Start the tournament and retrieve the updated information to see the effects
# of the change.
tournament =["id"])
print(tournament["started-at"]) # 2011-07-31 16:16:02-04:00

See for full API documentation.

API Issues

The Challonge API has some issues with the attachments endpoints. The create and update endpoints are not working correctly. When you try to upload an attachment with asset(file) the API returns 500 internal server error. The same happens with asset + description. Also when you try to upload an attachment with only a description the API seems to working fine but in the website you get 500 when you trying to see it. Only the case with the url or url + description is working.

This problem has been reported through the website contact form(2-3 times) over the past year. Also to the official facebook page and twitter account. I have reported it also to the Challonge knowledge base and recently emailed it to davidATchallongeDOTcom. No one has answered my calls…

Other problems that I have noticed is that the check in process through the API seems weird. When you undo check in a participant the field ‘checked_in’ remains True but in the website the participant is correctly not checked in. That’s why I haven’t write any tests about check in. Also in matches show endpoint the include_attachments parameter is not working.

Running the unit tests

Pychallonge comes with a set of unit tests. The tests are not comprehensive, but do utilize each method and verify basic functionality.

In order to test behavior of the python bindings, API calls must be made to CHALLONGE!, which requires a username and api key. To run the tests with your credentials, set CHALLONGE_USER and CHALLONGE_KEY appropriately in your environment.

$ git clone pychallonge
$ CHALLONGE_USER=my_user CHALLONGE_KEY=my_api_key python pychallonge/
Ran 28 tests in 81.282s


Note that several tournaments are created, published, started, and completed over the course of the unit tests. These should be cleaned up by the end, but if any of the tests fail they may not be cleaned up. As long as the basic functions work, you can clean up errant tournaments as follows.

import challonge
challonge.set_credentials("my_user", "my_api_key")
for t in challonge.tournaments.index():
    if t["name"].startswith("pychallonge"):
Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pychal-1.7.3.tar.gz (6.4 kB) Copy SHA256 Checksum SHA256 Source Dec 26, 2016

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