Python 3.10 - PY_SSIZE_T_CLEAN macro must be defined for '#' formats

See original GitHub issue

Describe the bug Python 3.10 seems to introduce the following error PY_SSIZE_T_CLEAN macro must be defined for '#' formats

To Reproduce Steps to reproduce the behavior:

Integrate with django
Use python 3.10
Turn on logging and try to connect

Expected behavior A successful websocket connection

Logs

trunk-player_1         | kSic9yN6dPgg5MZHAAAC: Sending packet OPEN data {'sid': 'kSic9yN6dPgg5MZHAAAC', 'upgrades': [], 'pingTimeout': 20000, 'pingInterval': 25000}
trunk-player_1         | INFO:engineio.server:kSic9yN6dPgg5MZHAAAC: Sending packet OPEN data {'sid': 'kSic9yN6dPgg5MZHAAAC', 'upgrades': [], 'pingTimeout': 20000, 'pingInterval': 25000}
trunk-player_1         | kSic9yN6dPgg5MZHAAAC: Received request to upgrade to websocket
trunk-player_1         | INFO:engineio.server:kSic9yN6dPgg5MZHAAAC: Received request to upgrade to websocket
trunk-player_1         | kSic9yN6dPgg5MZHAAAC: Upgrade to websocket successful
trunk-player_1         | INFO:engineio.server:kSic9yN6dPgg5MZHAAAC: Upgrade to websocket successful
trunk-player_1         | kSic9yN6dPgg5MZHAAAC: Unexpected error "PY_SSIZE_T_CLEAN macro must be defined for '#' formats", closing connection
trunk-player_1         | INFO:engineio.server:kSic9yN6dPgg5MZHAAAC: Unexpected error "PY_SSIZE_T_CLEAN macro must be defined for '#' formats", closing connection
trunk-player_1         | [pid: 1|app: 0|req: 29/28] 172.70.230.38 () {54 vars in 826 bytes} [Thu Feb  3 18:05:27 2022] GET /socket.io/?EIO=4&transport=websocket => generated 0 bytes in 4 msecs (HTTP/1.1 101) 4 headers in 164 bytes (2 switches on core 97)

Additional context Django app in Docker container w/ uwsgi

These may be relevant https://bugs.python.org/issue40943 https://www.python.org/dev/peps/pep-0353/

Issue Analytics

State:
Created 2 years ago
Comments:6 (3 by maintainers)

Top GitHub Comments

1reaction

miguelgrinbergcommented, Feb 4, 2022

I think uWSGI is the culprit. See https://github.com/unbit/uwsgi/pull/2363. This was merged, but no release has been issued with this fix yet.

0reactions

MaxwellDPScommented, Feb 4, 2022

Thanks again for the help!

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