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fix(ci): scope bandit scan to source dirs instead of excluding tests/ - #28

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Pascal-ZeGerman merged 3 commits into
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fix/bandit-scope-source-dirs
Jul 24, 2026
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Pascal-ZeGerman merged 3 commits into
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fix/bandit-scope-source-dirs

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Summary

  • PR fix: close all 1,812 open code-scanning alerts #27's excluded_paths: "tests" on the Bandit workflow did not actually exclude tests/ — after merging to main, the re-run scan still opened 1750+ B101/B105/B106/B110 alerts there. shundor/python-bandit-scan runs bandit -r . -x tests, and bandit's exclude-glob matching against a -r . recursive scan doesn't reliably filter nested paths.
  • Replaced the exclude approach with a positive path: "src custom_components scripts" scan target, which avoids the exclude-matching behavior entirely.

Test plan

  • Merge and confirm the next Bandit scan on main shows ~0 open alerts under tests/

Pascal-ZeGerman and others added 3 commits July 20, 2026 21:43
Bandit was scanning tests/ and flagging idiomatic pytest patterns as
security issues: assert statements (B101), mock credentials like "pw"
in fixtures (B106), and stub try/except helpers (B105/B110). These
account for ~1,793 of the 1,812 open alerts and are false positives
by construction, not vulnerabilities — excluded tests/ from the
bandit workflow to close them at the source.

The remaining ~19 alerts got individual fixes:
- 6 B105 false positives in source (NOON/MIDNIGHT string literals,
  CalDAV config-key constants) — suppressed with justified # nosec
- 2 real B110 findings in config_flow.py: NYC 311 API-key validation
  silently swallowed all exceptions. Kept the accept-anyway behavior
  but added debug logging so failures aren't invisible.
- 3 B101 false positives in source (type-narrowing assert, dict-sync
  sanity check) — suppressed with justified # nosec, propagated to
  the vendored copy via scripts/sync_vendored.py
- 4 py/ineffectual-statement alerts (typing.overload stub bodies,
  mandated PEP 484 syntax) — dismissed via the GitHub API as false
  positives; removed the stale # lgtm comments that don't actually
  suppress anything on GitHub's CodeQL Action
- 4 remaining CodeQL findings in test files: mixed-return path,
  missing explanatory comment on an empty except, a dead regex
  constant, and a duplicate import/import-from of the same module

Verified: ruff check, ruff format --check, mypy (src/ and
custom_components/), and the full pytest suite (891 passed) are all
clean. The 6 test_sign_retrieval.py failures are pre-existing
sandbox network-blocking issues, unrelated to this change.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
…er.py

The previous fix on this branch changed `import gps2asp.resolver as
resolver_pkg` to `from gps2asp import resolver as resolver_pkg` (commit
1837872) — that's still a from-import of the same module already
from-imported at the top of the file (`from gps2asp.resolver import
resolve, convert, resolve_segment`), so the CodeQL rule keeps firing.

Reuse the already-imported module via sys.modules[resolve.__module__]
instead of adding a second import statement for gps2asp.resolver.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
PR #27 set excluded_paths: "tests" on the bandit workflow to stop
scanning idiomatic pytest patterns (assert, mock creds in fixtures,
stub try/except) as vulnerabilities. It didn't work: after merging to
main, the re-run scan still reported 1750+ B101/B105/B106/B110 alerts
in tests/. shundor/python-bandit-scan invokes `bandit -r . -x tests`,
and bandit's -x glob matching against a `-r .` recursive scan doesn't
reliably exclude nested paths.

Switched to listing the real source directories (`src custom_components
scripts`) as the scan path instead, which sidesteps the exclude-matching
behavior entirely.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Comment thread src/gps2asp/pipeline.py Dismissed
Comment thread src/gps2asp/pipeline.py Dismissed
@Pascal-ZeGerman
Pascal-ZeGerman merged commit 721c39e into main Jul 24, 2026
15 of 17 checks passed
@Pascal-ZeGerman
Pascal-ZeGerman deleted the fix/bandit-scope-source-dirs branch July 24, 2026 14:41
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2 participants