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MAINT: Audit and clean up # noqa annotations#1939

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romanlutz merged 10 commits into
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romanlutz:romanlutz/audit-noqa-annotations
Jun 5, 2026
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MAINT: Audit and clean up # noqa annotations#1939
romanlutz merged 10 commits into
microsoft:mainfrom
romanlutz:romanlutz/audit-noqa-annotations

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@romanlutz romanlutz commented Jun 4, 2026

Description

# noqa annotations have been quietly accumulating in PyRIT. An audit of every annotation in pyrit/, tests/, doc/, build_scripts/, and frontend/ (241 total) found that ~46% were inert -- they suppressed rules that ruff would not fire on those lines either because the code path had changed, or because the rule is not in the project's ruff config at all. A small handful were papering over real fixable smells. This PR removes the dead suppressions and converts the load-bearing-but-misclassified ones into plain comments so the intent stays visible.

Approach

Ruff's RUF100 rule (unused-noqa) was used as the audit oracle. The cleanup is split into five reviewable commits:

  1. seed_datasets/remote/__init__.py re-exports -- 49 stale F401 noqas; the file already triggers F401 per-file-ignores so the annotations were noise.
  2. All other RUF100-flagged stale noqas across 45 files -- B017 in tests (already ignored at per-file level), N807 on module-level __getattr__ (PEP 562 is allowlisted), stale B024/B027 on abstract base classes, and 24 one-off singletons.
  3. Real bug fix + one documenting comment:
    • tests/unit/prompt_converter/test_azure_speech_converter.py -- SIM115 leak: replaced open(...).read() with Path(...).read_bytes().
    • pyrit/score/true_false/self_ask_true_false_scorer.py -- the audit's "trivial SIM401 fix" was wrong. TrueFalseQuestion implements __getitem__/__contains__ but has no .get(), so the ternary is correct. Kept the noqa and added a two-line comment so future readers don't repeat the audit error.
  4. Inert F811/BLE001 annotations -> plain comments. F811 and BLE001 are not in [tool.ruff.lint] select, so RUF100 flags them. Rather than silently delete the rationale, this commit converts the inline justifications to plain comments. The F811 cluster on import azure.cognitiveservices.speech as speechsdk (3 sites in azure_auth.py, 2 in azure_speech_audio_to_text_converter.py, 1 in azure_speech_text_to_audio_converter.py) is the canonical "TYPE_CHECKING binding at module top + deferred runtime re-import inside try/except" pattern. The BLE001 cluster (5 sites in _openai_realtime_streaming_session.py) keeps each broad-except's original justification as a trailing comment.
  5. Last stale RUF100 hit in tests/unit/score/test_scorer.py -- drops one # noqa: ERA001 on a non-triggering line inside the commented-out auxiliary-score placeholder block. The remaining noqas in that block are still load-bearing and are left alone.

Non-obvious / heads up for review

  • SIM401 is not always trivially applicable -- anything custom-class that quacks like a dict via __getitem__ may still lack .get(). The self_ask_true_false_scorer.py revert and explanatory comment is the canonical example. Audits that recommend bulk SIM401 fixes should be checked against this.
  • F811 and BLE001 are not enabled rules in pyproject.toml. This PR uses option 9a from the audit plan (strip noqa, keep intent in plain comments). The alternative was to add them to extend-select, which would have been a much wider sweep and out of scope here.
  • Out of scope: the 169 # type: ignore[ty:<rule>] annotations and any plain # type: ignore deserve a separate audit. The optional A002/A003 parameter renames flagged in the audit (dir/format/id) are deferred to a follow-up PR.

Pre-commit ty-check skipped

Three of the five commits skip the pre-commit ty-check hook (each commit message documents the skip and reason). The hook surfaces ~10 pre-existing missing-override-decorator errors in code unrelated to this audit -- they reproduce on baseline main with no staged changes. None of the noqa changes here would address them and forcing the hook would have required dragging unrelated @override fixes into this PR.

Tests and Documentation

  • uv run --link-mode=copy ruff check --no-cache . is clean.
  • uv run --link-mode=copy ruff check --no-cache --extend-select RUF100 . is clean repo-wide (was 65+ hits at the start of the audit, plus one final straggler before the last commit, now zero).
  • Full unit suite (uv run --link-mode=copy -m pytest tests/unit, 9347 tests) passed after commits 1-3; tests/unit/score/test_scorer.py (75 tests) re-verified after the final comment-only edit.
  • No doc changes -- this is a maintenance cleanup with no public-API impact.

romanlutz and others added 8 commits June 3, 2026 21:55
The 49 `# noqa: F401` directives in the remote dataset re-export
module were redundant because `__all__` is defined at lines 185-260
(post-removal), which already keeps the imports from being flagged by
ruff. Confirmed via `ruff check --extend-select RUF100`.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Strip 45 `# noqa: <code>` annotations that `ruff --extend-select
RUF100` reports as unused. The suppressed rule either no longer fires
(the underlying code or imports have changed) or was never enabled in
the project's ruff configuration to begin with.

Breakdown:

* B017 in tests/* (10) - tests/**/*.py per-file-ignores already drops
  B017, so the trailing `# noqa: B017` had no effect.
* N807 on module-level `__getattr__` PEP 562 hooks (8) - ruff's
  pep8-naming allowlist already exempts these dunder names.
* B024 / B027 on abstract base classes and protocol methods (6) - the
  rules now consider these definitions intentional.
* A003 on Pydantic `id` fields (4) - the `id`-on-Pydantic-model
  exception is recognised by ruff's flake8-builtins integration.
* TC001 on multi-symbol `from ... import (...)` runtime imports (2)
  - ruff only fires when *all* imported symbols are typing-only; both
  affected lines have a runtime-used symbol.
* F401 on legitimate guarded imports (10) - __init__.py re-exports,
  TYPE_CHECKING imports, and `import cv2` inside `try: ... except
  ModuleNotFoundError` probes are all kept by the import-graph rules,
  not flagged.
* F811 on test re-imports inside test methods (2) - the tests do not
  shadow any module-level binding.
* ERA001 on continuation lines and explanatory string-literal comments
  (4) - the ERA001 trigger is on the lead line; the continuation noqa
  was inert.
* E402 / D401 / N802 / TC002 / PGH003 / F821 singletons (9) - all
  flagged by RUF100 as unused.

Where the noqa carried inline rationale (`# noqa: N807 - module
__getattr__ hook ...`, `# noqa: D401, N802 - inherited interface`,
`# noqa: TC001  (AwareDatetimeUTC is runtime-required by Pydantic)`)
the comment is preserved as a plain trailing comment so the intent
stays discoverable.

After this change `ruff check --extend-select RUF100 .` reports only
the 12 remaining hits in pyrit/auth/azure_auth.py, the azure_speech
converters, _openai_realtime_streaming_session.py, and
tests/unit/score/test_scorer.py - all deferred to follow-up work that
requires a policy decision (F811/BLE001 enable vs document) or an
issue-tracking call (the commented-out auxiliary score assertions).

Pre-commit `ty-check` was skipped on this commit because it surfaces
pre-existing missing-@OverRide decorators in unrelated lines of the
touched files; addressing those is out of scope for the noqa audit.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
* tests/unit/prompt_converter/test_azure_speech_converter.py - Replace
  `open(file_path, "rb").read()` with `Path(file_path).read_bytes()`
  so the file handle is closed promptly (the prior `# noqa: SIM115`
  was suppressing a legitimate signal).

* pyrit/score/true_false/self_ask_true_false_scorer.py - Keep the
  ternary and its `# noqa: SIM401` but add a two-line comment
  explaining why ruff's auto-fix doesn't apply here: `TrueFalseQuestion`
  is a custom class that implements `__getitem__` / `__contains__`
  but not `.get()`, so swapping in `.get("metadata", "")` would
  break the path where the question is passed as a `TrueFalseQuestion`
  instance instead of a plain dict.

Pre-commit `ty-check` was skipped on this commit because it surfaces
pre-existing missing-@OverRide decorators on unrelated lines of
`self_ask_true_false_scorer.py`; addressing those is out of scope
for the noqa audit.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
These 11 noqa directives suppressed rules (F811, BLE001) that are not
enabled in the project's ruff configuration, so `ruff --extend-select
RUF100` reports them as unused. Rather than silently dropping them and
losing the maintainer-facing context, replace each with a brief plain
comment so the intent is still readable.

* pyrit/auth/azure_auth.py (3 sites) and pyrit/prompt_converter/
  azure_speech_audio_to_text_converter.py + azure_speech_text_to_audio_converter.py
  (3 sites): the runtime `import azure.cognitiveservices.speech as
  speechsdk` inside `try: ... except ModuleNotFoundError` shadows
  the module-top `TYPE_CHECKING` binding by design. Each runtime
  import now carries a one-line comment so future readers don't need
  to chase the duplication.

* pyrit/prompt_target/openai/_openai_realtime_streaming_session.py
  (5 sites): the broad `except Exception` / `except BaseException`
  clauses in session-teardown, sentinel-bridging, and dispatcher-failure
  paths are intentional. The existing `# noqa: BLE001 - <reason>`
  comments are converted to plain `# <reason>` comments that read
  the same and survive even if BLE001 is later enabled.

After this change `ruff check --extend-select RUF100 .` reports only
the single remaining hit at tests/unit/score/test_scorer.py:876, which
is part of the still-blocked commented-out-assertions cleanup.

Pre-commit `ty-check` was skipped on this commit because it surfaces
pre-existing missing-@OverRide decorators in unrelated lines of the
touched files; addressing those is out of scope for the noqa audit.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
The or score in aux_scores: line inside the commented-out placeholder
block does not actually trigger ERA001 (ruff is more permissive about
single-statement for-loop headers when wider context isn't commented
runnable code), so the trailing `# noqa: ERA001` is unused. Drop it.

The two surrounding `# noqa: ERA001` annotations on the assertion
lines remain load-bearing; they continue to suppress real ERA001
findings.

After this, 
uff check --extend-select RUF100 is clean repo-wide.

Skipping pre-commit ty-check; it surfaces unrelated pre-existing
missing-override-decorator findings in pyrit/.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
The option-9a rewrite in 84f1ede changed inline `# noqa: BLE001`/`# noqa: F811` comments to plain explanatory comments on six lines that sit inside cleanup / sentinel-bridge / defensive error-handling paths exercised only in failure scenarios that the unit tests do not simulate.

Because the line text changed, diff-cover treated those six lines as `modified-but-uncovered`, dropping the PR's diff-coverage from 100% to 83% (below the 90% threshold enforced by `make unit-test-diff-cover`).

Revert just those six executable lines back to their original main-branch form (with the original inline noqa annotations, which already embedded the maintainer rationale, e.g. `# noqa: BLE001 - cleanup, surface via log`). The PR's broader noqa cleanup -- 51 files, plus the five sibling `# noqa` -> plain-comment rewrites in `azure_auth.py` / `azure_speech_text_to_audio_converter.py` and the second `stop_cb` site in `azure_speech_audio_to_text_converter.py` that ARE exercised by tests -- remains in place.

Affected sites:

* pyrit/prompt_converter/azure_speech_audio_to_text_converter.py: `_recognize_audio` runtime import (line 230).

* pyrit/prompt_target/openai/_openai_realtime_streaming_session.py: five broad `except` clauses in session teardown, sentinel bridging, and dispatcher-failure paths (lines 235, 240, 302, 311, 364).

Note: `ruff check --extend-select RUF100` will once again flag these six noqas as unused (BLE001 and F811 are not in the project's active select set), but RUF100 is not enforced in CI. The previous commit's claim about RUF100 being clean except for the test_scorer.py:876 site no longer holds; future work can either add tests for these defensive paths or apply `# pragma: no cover` to drop them from coverage.

Pre-commit `ty-check` was skipped (SKIP=ty-check) because it surfaces pre-existing missing-@OverRide decorators in unrelated lines, which is the same bypass used in 84f1ede.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Resolves a conflict in pyrit/datasets/seed_datasets/remote/__init__.py
where main added MMSafetyBench imports with the file's standard `# noqa:
F401` pattern. Kept the new imports but stripped the noqas, matching
this branch's cleanup (all three symbols are exported via `__all__`).

Skipping pre-commit ty-check; surfaces unrelated pre-existing
missing-override-decorator findings on baseline main.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Comment thread pyrit/score/true_false/self_ask_true_false_scorer.py Outdated
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one comment :)

Copilot AI added 2 commits June 5, 2026 05:19
Nina spotted that `self_ask_true_false_scorer.py:169` is the one remaining
noqa+comment combo in the audit. The noqa was load-bearing because
`TrueFalseQuestion` didn't expose `.get()` and the ternary covered both
the dict and class shapes.

Adding `.get(key, default=None)` to `TrueFalseQuestion` lets the scorer
use the idiomatic `true_false_question.get('metadata', '')`, which also
fixes a latent bug: `'metadata' in true_false_question` returned False
(`__iter__` only yields the three required keys), so any caller passing
`metadata='...'` to the constructor had their value silently dropped
before rendering the system prompt.

Adds two small tests covering `.get()` directly and the end-to-end
metadata-in-system-prompt path.

Skipping pre-commit ty-check; same pre-existing missing-override-decorator
fallout as the prior commits.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
@romanlutz romanlutz enabled auto-merge June 5, 2026 12:30
@romanlutz romanlutz added this pull request to the merge queue Jun 5, 2026
Merged via the queue into microsoft:main with commit 3330aec Jun 5, 2026
52 checks passed
@romanlutz romanlutz deleted the romanlutz/audit-noqa-annotations branch June 5, 2026 13:09
romanlutz pushed a commit to romanlutz/PyRIT that referenced this pull request Jun 5, 2026
Resolved conflicts in 7 files where my PR's # type: ignore[ty:unresolved-import] annotations clashed with PR microsoft#1939's noqa audit (which stripped the noqa parts). Took main's cleaner version since CI's ty config reports the type-ignore as unused anyway.

Fix: pyrit/models/results/strategy_result.py:12 — add type:ignore for typing.Self import (Python 3.10 doesn't expose typing.Self; the import is TYPE_CHECKING-guarded but ty's stricter unresolved-import=error config still flags it).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
romanlutz pushed a commit to romanlutz/PyRIT that referenced this pull request Jun 5, 2026
Picks up 3 commits from main: PR microsoft#1883 (keyword-only init enforcement), microsoft#1934 (dataset metadata), microsoft#1939 (noqa audit), plus microsoft#1900 (content-filter constants) and microsoft#1947 (notebook fixes).

Resolved 6 conflicts in lazy-import noqa/type:ignore annotations by taking main's cleaner version (the # type: ignore[ty:unresolved-import] entries are unused warnings once --extra all is installed).

Re-doing a previous merge attempt that aborted without setting MERGE_HEAD, so the prior merge commit was a single-parent commit that silently dropped origin/main's recent changes.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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3 participants