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移除已删除的标定目录同步项，避免同步失败；将 Ruff 版本写成依赖约束，避免被误判为 SDK 版本。快速回归398项通过，六个 wheel 通过静态及视频检查。
75 lines
4.9 KiB
Markdown
75 lines
4.9 KiB
Markdown
# Code review: the automated part
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Four gates existed before this document (the test suites, `apps/studio/tools/ui_check.py`, the
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real-GL smoke tests, the binding-purity test) and none of them is a linter. This adds the missing
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*static* layer, deliberately small.
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## Why it exists, in one measured fact
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Until now the three repos had **no Ruff configuration at all**. `ruff check .` therefore ran
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whatever the installed version enables by default — Ruff 0.16 enables a very broad set
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(`UP`/`RUF`/`PLR`/`S`/`TRY`/`PERF`/`FURB`/`YTT`/`ASYNC`…) — so the same tree produced **1038 /
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438 / 117** findings in `orisys-app` / `orisys-sdk` / `orisys-sensor-design`, and a different
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Ruff version produced different ones. A gate built on that is not a gate. `ruff.toml` now pins it.
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## What is gated, and what is deliberately not
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| rule | meaning | gated? | why |
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|---|---|---|---|
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| `BLE001` | broad `except Exception` | **no** | A broad catch is the *right* choice around device I/O, GL teardown and camera probing. This codebase already records that choice inline as `# noqa: BLE001 - <reason>`. Gating it would produce ~100 findings whose only correct fix is "add a reasoned suppression". |
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| `S110`, `S112` | handler is only `pass` / `continue` | **yes** | The complaint is not the breadth of the catch, it is that the failure becomes **invisible**. Silence is acceptable only with a reasoned suppression or a handler that reports/re-raises. |
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| `E722` | bare `except:` | **yes** | Strictly worse than `except Exception:` — it also swallows `KeyboardInterrupt`/`SystemExit`. |
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| `F` | unused import, redefinition, undefined name, unused variable | **yes** | Real defects: `F821`/`F822` are latent `NameError`s, `F811` can be a shadowed definition. |
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| `B023` | closure over a loop variable | **yes** | Late binding silently produces wrong geometry in the headless Blender scripts. |
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| `PLW1510` | `subprocess.run` without `check` | **yes** | A swallowed tool failure. |
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| `RUF100` | unused suppression | reported, **never auto-fixed** | The `- reason` in a `noqa` comment is documentation. A machine must not delete it. Triage by hand. |
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| `UP`, `I`, `PIE`, `RET501`, `PLR1711`, `SIM114`, `RUF022`, `RUF023` | mechanical modernisation | in the lint config, **not** in the gate | Applied once by `--fix`; gating them would only churn AI-authored diffs. |
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`E402` (module import not at top of file) is **selected but not gated**. `import` after
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`os.environ[...]` is deliberate in this codebase — the environment must be set before Qt/cv2/the SDK
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load — so gating it would be pure noise. But it is the only rule that would catch an *accidental*
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import moved above that setup, so it stays visible. When you touch one of those files, record the
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intent as `# noqa: E402 - <reason>`; `E701`/`E702` are style, which `ruff format` owns. A gate that
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cries wolf gets ignored, which is worse than no gate.
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## The three commands
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```powershell
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# 1. The agent loop, after every edit — mechanical, no review needed.
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ruff check <changed files> --fix # never --unsafe-fixes
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ruff check <changed files> --output-format json # what remains, machine-readable
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# 2. The gate before a change lands. Changed files only, machine-readable, non-zero on findings.
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python tools/lint_gate.py # vs HEAD
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python tools/lint_gate.py --base origin/main
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python tools/lint_gate.py --all # gate rules over the whole repo
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python tools/lint_gate.py --json
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# 3. Formatting, changed files only — never a whole-tree rewrite mid-diff.
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ruff format <changed files>
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```
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`$RUFF` may point at a specific ruff binary; otherwise `tools/lint_gate.py` uses `PATH` or the one
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beside the interpreter. **Pin the version**: the gate prints the version it ran, and findings differ
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between versions, so a runner must install the same one the developers use (`ruff==0.16.9`).
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## What this found when it was introduced
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Filtering to rules that can indicate a defect produced ~18 candidates rather than style noise —
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which is the argument for the narrow set:
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- six latent `NameError`s (`np`, `sys`, `Callable`, `FrameIdentity`, `tessellate_polygon`, and an
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`__all__` entry naming a function that does not exist) — none caught by any test;
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- a **duplicated** function definition that silently shadowed the first;
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- `lower == lower` / `upper == upper` in a range check, and the same pattern inside a **test
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assertion that could never fail**;
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- 13 closures over loop variables in the headless Blender/patch scripts;
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- two `subprocess.run` calls whose failure was silently ignored.
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## Follow-up deliberately not done yet
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`PLR0124` ("name compared with itself") is not in `select`. Eleven of its sites are the deliberate
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`value != value` NaN idiom and must become `math.isnan(...)` (or carry a reasoned suppression)
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before the rule can be gated — otherwise it is noise. Once those are converted, add `PLR0124` to
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`select` and to `GATE_SELECT` in `tools/lint_gate.py`.
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