[Vmnebula]

Summary

Fixes #839 using the early isEnabledFor() guard suggested in the report.

SSHLogger.log() currently decodes bytes and converts list elements even when the underlying logger will discard the message. Check the effective log level before doing that work, leaving enabled-message conversion and context handling unchanged.

Regression coverage

• Disabled INFO messages do not call a list item's __str__, both when filtered by the log level and when the underlying logger is explicitly disabled. Both cases fail against the unchanged develop implementation.
• Enabled messages still convert mixed byte/object lists, host/port tuples and non-printable bytes, and retain their context prefix.

Verification

• Python 3.14.8: python -m pytest -q — 1,744 passed, 50 skipped, 4,249 subtests passed. Optional/platform-dependent cases remain skipped; existing PyOpenSSL deprecation warnings are reported.
• Python 3.10.22: python -m pytest tests/test_logging.py -q — 11 passed, 5 subtests passed.
• pre-commit run --all-files — all hooks passed.
• Supplemental ruff check --isolated --select E,F asyncssh/logging.py tests/test_logging.py — passed.
• mypy asyncssh/logging.py --follow-imports=silent — no issues in the changed source module.
• git diff --check — passed.

This is an AI-assisted contribution, checked against the regression and full local suite above. These changes are contributed under the project's existing EPL-2.0 OR GPL-2.0-or-later license. Contributor credit: Muhammad Osama Amin.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.86%. Comparing base (fab96ac) to head (ac65ba9).
⚠️ Report is 250 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #841      +/-   ##
===========================================
+ Coverage    99.85%   99.86%   +0.01%     
===========================================
  Files           95      102       +7     
  Lines        27784    32433    +4649     
  Branches      2908     3128     +220     
===========================================
+ Hits         27743    32390    +4647     
- Misses          38       39       +1     
- Partials         3        4       +1     

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[ronf]

Thanks for the PR! This is now merged into "develop" and will be included in the next release.