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CGIHTTPRequestHandler is deprecated in Python 3.13 #49
Description
WebSocketRequestHandler inherits from CGIHTTPRequestHandler, which is deprecated as of Python 3.13. See python/cpython#109096
We should stop depending on it before it is removed completely.
As far as I know, the CGI functionality was never widely used. Removing it will be positive from a security standpoint.
Activity
MikeMcC399 commentedon Oct 13, 2026
Python 3.15, released on 2026-10-09 has now removed
CGIHTTPRequestHandlercompletely, after it was deprecated in Python 3.13.Python 3.15 - what's new lists under Removed:
http.server
If this issue could be actioned to support Python 3.15 compatibility, that would be helpful.
MikeMcC399 commentedon Oct 13, 2026
This is possibly also a good time to update https://github.com/GoogleChromeLabs/pywebsocket3/blob/master/.github/workflows/python-package.yml which is testing against
pywebsocket3/.github/workflows/python-package.yml
Lines 15 to 21 in 49681d8
Currently supported versions of Python include 3.11 - 3.15.
Python 3.8 reached end-of-life on 2024-10-07 quite a while ago
Python 3.10 reached end-of-life on 2026-10-01 very recently
pywebsocket3: work on Python 3.15
pywebsocket3: work on Python 3.15
MikeMcC399 commentedon Nov 3, 2026
Hello @ricea
Is there any chance to work on getting this resolved?
Bug 2087658 [wpt PR 64027] - pywebsocket3: work on Python 3.15, a=tes…
Bug 2087658 [wpt PR 64027] - pywebsocket3: work on Python 3.15, a=tes…
Bug 2087658 [wpt PR 64027] - pywebsocket3: work on Python 3.15, a=tes…
Bug 2087658 [wpt PR 64027] - pywebsocket3: work on Python 3.15, a=tes…