github/setup.py: add Python 3.10 classifier/test job

[Bastian-Krause]

Description
Test/announce Python 3.10 compatibility.

Checklist

• CHANGES.rst has been updated
• PR has been tested

Introduces deprecation warnings (see CI job):

tests/test_crossbar.py::test_remoteplace_target
  /home/runner/work/labgrid/labgrid/labgrid/remote/client.py:33: DeprecationWarning: There is no current event loop
    txaio.config.loop = asyncio.get_event_loop()

tests/test_crossbar.py::test_remoteplace_target
  /home/runner/work/labgrid/labgrid/labgrid/remote/client.py:1334: DeprecationWarning: There is no current event loop
    loop = asyncio.get_event_loop()

tests/test_crossbar.py::test_remoteplace_target
  /opt/hostedtoolcache/Python/3.10.0/x64/lib/python3.10/site-packages/autobahn/asyncio/websocket.py:300: DeprecationWarning: There is no current event loop
    self.loop = loop or asyncio.get_event_loop()

tests/test_crossbar.py::test_remoteplace_target
  /opt/hostedtoolcache/Python/3.10.0/x64/lib/python3.10/site-packages/autobahn/asyncio/wamp.py:238: DeprecationWarning: There is no current event loop
    loop = asyncio.get_event_loop()

tests/test_ethernetport.py::test_instance
  /home/runner/work/labgrid/labgrid/labgrid/resource/ethernetport.py:251: DeprecationWarning: There is no current event loop
    self.loop = asyncio.get_event_loop()

tests/test_powerdriver.py::TestNetworkPowerDriver::test_import_backends
  /opt/hostedtoolcache/Python/3.10.0/x64/lib/python3.10/site-packages/pysnmp/carrier/asyncore/base.py:9: DeprecationWarning: The asyncore module is deprecated. The recommended replacement is asyncio
    import asyncore

The event loop should now be created/set explicitly.

[codecov]

Codecov Report

Merging #848 (60004e9) into master (b97c44c) will increase coverage by 0.0%.
The diff coverage is n/a.

❗ Current head 60004e9 differs from pull request most recent head fd2c97a. Consider uploading reports for the commit fd2c97a to get more accurate results

@@          Coverage Diff           @@
##           master    #848   +/-   ##
======================================
  Coverage    56.6%   56.7%           
======================================
  Files         145     145           
  Lines       10741   10739    -2     
======================================
+ Hits         6090    6091    +1     
+ Misses       4651    4648    -3     

Impacted Files	Coverage Δ
labgrid/util/agents/sysfsgpio.py	83.9% <0.0%> (-0.9%)	⬇️
labgrid/config.py	81.8% <0.0%> (-0.6%)	⬇️
labgrid/resource/docker.py	97.4% <0.0%> (+<0.1%)	⬆️
labgrid/resource/remote.py	83.3% <0.0%> (+<0.1%)	⬆️
labgrid/remote/common.py	86.7% <0.0%> (+0.5%)	⬆️
labgrid/strategy/shellstrategy.py	38.0% <0.0%> (+0.7%)	⬆️
labgrid/strategy/bareboxstrategy.py	45.2% <0.0%> (+1.0%)	⬆️
labgrid/strategy/ubootstrategy.py	43.5% <0.0%> (+1.0%)	⬆️

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[Bastian-Krause]

Rebased on current master.

[Bastian-Krause]

Rebased again.

[Emantor]

Any reason why this is still a draft?

[Bastian-Krause]

Any reason why this is still a draft?

I thought we'd fix the DeprecationWarnings we cause first, see PR description.

[jluebbe]

Any reason why this is still a draft?

I thought we'd fix the DeprecationWarnings we cause first, see PR description.

As the tests work correctly, fixing the deprecation warnings (which affect autobahn and pysnmp as well) can be done in a different PR.