Bug#1024912: flask-caching: (autopkgtest) needs update for python3.11: Address already in use

[Paul Gevers]

Source: flask-caching
Version: 2.0.1-2
Severity: serious
Tags: sid bookworm
User: debian...@lists.debian.org
Usertags: needs-update
User: debian-pyt...@lists.debian.org
Usertags: python3.11
Control: affects -1 src:python3-defaults

Dear maintainer(s),



                       pass            fail
python3-defaults       from testing    3.10.6-3
flask-caching          from testing    2.0.1-2
all others             from testing    from testing

I copied some of the output at the bottom of this report.

We are in the transition of adding python3.11 as a supported Python version [0]. With a recent upload of python3-defaults the autopkgtest of flask-caching fails in testing when that autopkgtest is run with the binary packages of python3-defaults from unstable. It passes when run with only packages from testing. In tabular form: Currently this regression is blocking the migration of python3-defaults to testing [1]. https://docs.python.org/3/whatsnew/3.11.html lists what's new in Python3.11, it may help to identify what needs to be updated.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[0] https://bugs.debian.org/1021984
[1] https://qa.debian.org/excuses.php?package=python3-defaults

https://ci.debian.net/data/autopkgtest/testing/amd64/f/flask-caching/28726230/log.gz

+ trap cleanup EXIT
++ py3versions -s
+ for p in $(py3versions -s)
+ echo 'Testing with python3.11...'
Testing with python3.11...
+ echo 2183
+ python3.11 debian/tests/testapp.py
+ sleep 3
 * Serving Flask app 'testapp' (lazy loading)
 * Environment: production

   Use a production WSGI server instead.
 * Debug mode: off
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
+ curl http://127.0.0.1:5000/
+ grep '^counter=1$'
127.0.0.1 - - [27/Nov/2022 17:13:31] "GET / HTTP/1.1" 200 -
counter=1
+ curl http://127.0.0.1:5000/
+ grep '^counter=1$'
127.0.0.1 - - [27/Nov/2022 17:13:31] "GET / HTTP/1.1" 200 -
counter=1
+ curl http://127.0.0.1:5000/
+ grep '^counter=1$'
127.0.0.1 - - [27/Nov/2022 17:13:31] "GET / HTTP/1.1" 200 -
counter=1
+ sleep 10
+ curl http://127.0.0.1:5000/
+ grep '^counter=2$'
127.0.0.1 - - [27/Nov/2022 17:13:41] "GET / HTTP/1.1" 200 -
counter=2
+ curl http://127.0.0.1:5000/
+ grep '^counter=2$'
127.0.0.1 - - [27/Nov/2022 17:13:41] "GET / HTTP/1.1" 200 -
counter=2
+ for p in $(py3versions -s)
+ echo 'Testing with python3.10...'
Testing with python3.10...
+ echo 2201
+ python3.10 debian/tests/testapp.py
+ sleep 3
 * Serving Flask app 'testapp' (lazy loading)
 * Environment: production

   Use a production WSGI server instead.
 * Debug mode: off
Traceback (most recent call last):

    app.run()
  File "/usr/lib/python3/dist-packages/flask/app.py", line 920, in run
    run_simple(t.cast(str, host), port, self, **options)

    inner()

    srv = make_server(

    return ThreadedWSGIServer(

    super().__init__(server_address, handler)  # type: ignore
  File "/usr/lib/python3.10/socketserver.py", line 452, in __init__
    self.server_bind()
  File "/usr/lib/python3.10/http/server.py", line 136, in server_bind
    socketserver.TCPServer.server_bind(self)
  File "/usr/lib/python3.10/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
OSError: [Errno 98] Address already in use
+ curl http://127.0.0.1:5000/
+ grep '^counter=1$'
127.0.0.1 - - [27/Nov/2022 17:13:44] "GET / HTTP/1.1" 200 -
+ cleanup
++ cat /tmp/autopkgtest-lxc.op2ybvu9/downtmp/autopkgtest_tmp/flask.pid
+ kill 2201

   2183 ?        S      0:00 python3.11 debian/tests/testapp.py
autopkgtest [17:13:44]: test functional

WARNING: This is a development server. Do not use it in a production deployment. WARNING: This is a development server. Do not use it in a production deployment. File "/tmp/autopkgtest-lxc.op2ybvu9/downtmp/build.R2l/src/debian/tests/testapp.py", line 39, in <module> File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 1010, in run_simple File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 950, in inner File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 782, in make_server File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 688, in __init__ /tmp/autopkgtest-lxc.op2ybvu9/downtmp/build.R2l/src/debian/tests/functional: line 23: kill: (2201) - No such process /tmp/autopkgtest-lxc.op2ybvu9/downtmp/wrapper.sh: Killing leaked background processes: 2183 PID TTY STAT TIME COMMAND

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