fix(date_parser): suppress noisy parsedatetime DEBUG logs (#33365)

[rusackas]

SUMMARY

Closes #33365.

parsedatetime emits a noisy DEBUG record (eval now with context - False, False) on every relative-date evaluation that runs through datetime_eval. Superset has no actionable use for that internal library trace, and it floods production logs whenever the root logger is at DEBUG. The reporter notes the line appears in dozens of unrelated issue threads, so this hits a wide range of deployments.

This PR:

1. Suppresses the parsedatetime logger to WARNING at module load in superset/utils/date_parser.py (one-liner). Real failures still surface — just not the per-call chatter.
2. Adds a regression test (test_datetime_eval_does_not_emit_parsedatetime_debug_logs) that captures all log records at DEBUG level during a single datetime_eval call and asserts none come from the parsedatetime logger. Locks in the suppression so a future refactor that drops the setLevel call fails CI immediately.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A — log-volume change only. Verified locally:

$ python3 -c "
import logging
records = []
class H(logging.Handler):
    def emit(self, r): records.append(r)
root = logging.getLogger(); root.setLevel(logging.DEBUG); root.addHandler(H())
from superset.utils.date_parser import datetime_eval
datetime_eval(\"datetime('now')\")
print('parsedatetime records:', sum(1 for r in records if r.name.startswith('parsedatetime')))
"
parsedatetime records: 0

(Before the fix: parsedatetime records: 1.)

TESTING INSTRUCTIONS

pytest tests/unit_tests/utils/date_parser_tests.py::test_datetime_eval_does_not_emit_parsedatetime_debug_logs -v

ADDITIONAL INFORMATION

• Has associated issue: closes Logs littered with "parsedatetime:eval now with context - False, False" #33365
• Required feature flags:
• Changes UI
• Includes DB Migration
• Introduces new feature or API
• Removes existing feature or API

🤖 Generated with Claude Code

[bito-code-review]

Code Review Agent Run #8c7184

Actionable Suggestions - 0

Additional Suggestions - 1

• tests/unit_tests/utils/date_parser_tests.py - 1

  • Test will fail without fix · Line 727-762
    The test is added to verify that parsedatetime debug logs are silenced, but the silencing code is not implemented in the diff, so the test will fail.

Review Details

• Files reviewed - 1 · Commit Range: 0e4ff14..0e4ff14

  • tests/unit_tests/utils/date_parser_tests.py
• Files skipped - 0
• Tools

  • Whispers (Secret Scanner) - ✔︎ Successful
  • Detect-secrets (Secret Scanner) - ✔︎ Successful
  • MyPy (Static Code Analysis) - ✔︎ Successful
  • Astral Ruff (Static Code Analysis) - ✔︎ Successful

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.17%. Comparing base (2b71d96) to head (ec5ac32).

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #40144   +/-   ##
=======================================
  Coverage   64.17%   64.17%           
=======================================
  Files        2590     2590           
  Lines      138087   138088    +1     
  Branches    32039    32039           
=======================================
+ Hits        88615    88616    +1     
  Misses      47947    47947           
  Partials     1525     1525           

Flag	Coverage Δ
hive	39.47% <100.00%> (+<0.01%)	⬆️
mysql	59.18% <100.00%> (+<0.01%)	⬆️
postgres	59.25% <100.00%> (+<0.01%)	⬆️
presto	41.16% <100.00%> (+<0.01%)	⬆️
python	60.69% <100.00%> (+<0.01%)	⬆️
sqlite	58.89% <100.00%> (+<0.01%)	⬆️
unit	100.00% <ø> (ø)

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[bito-code-review]

Code Review Agent Run #fb20a7

Actionable Suggestions - 0

Review Details

• Files reviewed - 1 · Commit Range: 0e4ff14..ec5ac32

  • superset/utils/date_parser.py
• Files skipped - 0
• Tools

  • Whispers (Secret Scanner) - ✔︎ Successful
  • Detect-secrets (Secret Scanner) - ✔︎ Successful
  • MyPy (Static Code Analysis) - ✔︎ Successful
  • Astral Ruff (Static Code Analysis) - ✔︎ Successful

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