配置:消灭代码里的硬编码臂 SN,并给"换臂漏改"加一把尺子
## 为什么
"设备 ID 全部可配置"这条要求在代码里只做了一半:site.yaml 能配,
但**代码和静态配置里到处躺着 Rizon4-063989 当兜底**。这类兜底的危害
不是"改起来麻烦",而是它把"配置没生效"伪装成"配置生效了":
* `robot_sn` 默认 `Rizon4-063989` → 换臂后节点去订**上一台臂**的关节话题,
节点起来了、不报错、什么都不动;
* launch 里用 `ee_frame == "Rizon4-063989_flange"` 当"用户没指定"的哨兵 →
换个站点这个判断永远不成立,于是 site.yaml 里的 ee_frame 再也不会被用上,
静态 TF 挂错坐标系、点还照样查得到;
* `if SN == "Rizon4-063989"` 决定要不要拉触觉服务 → 换臂后触觉静默消失。
## 改了什么
1. **删掉所有"兜底成某台臂"的默认值**(15 处脚本 + 6 个 launch + 6 个节点)。
没配就为空 / 直接 `:?` 报错,宁可起不来也不要连错机器:
- `scripts/lib/export_site_env.py`:别名解析改为从 `robots[]` 现算
(`arm_short_id` / `resolve_robot_sn` / `describe_arms`),选不出臂时
抛 `ValueError`;`main()` 捕获后打人话 + 退出码 2(供 shell `eval`);
- 手眼文件/路点/工作目录由当前臂 short id 派生,不再写死 `89_*`;
- `ROBOT_HAS_TACTILE` 改为读 site.yaml 的 `robots[].tactile`;
- `arm_application/site_io.py` 新增 `joint_prefix_default()` /
`base_frame_default()` / `ee_frame_default()`:优先读 `SITE_*`,
退而由 `SITE_ROBOT_SN` 现算,**不写死 SN**;
- `arm.urdf.xacro` 的 `robot_sn` 默认值改成明显的占位符 `UNSET_ARM_SN`
(关节名会带出来,报错信息自解释);
- `ros2_control.launch.py` / `move_group.launch.py` **原先根本不传
robot_sn**,靠 xacro 写死默认值"蒙对"本机,现在都从环境取。
2. **新增 `scripts/check_arm_prefixes.py`**:Flexiv 把 SN 编进关节名,
所以有一批一级配置(SRDF/controllers/joint_names/bringup/servo/...)
必须跟着当前臂走。漏改的症状是"MoveIt 规划成功但机械臂不动",很难查。
这个脚本逐文件逐行列出对不上的地方,并直接给出修法。
`--list` 还会说明 SN 来自 site.yaml 还是被 `ROBOT_SN` 覆盖。
3. **文档**:`FRAMEWORK_RULES.md` 新增 R1.1.1(两类含臂名文件怎么分、
换臂四步)+ 检查清单第 12 条 + 反例 2 条;`HANDBOOK.md` 新增 3.6.1
与症状表 2 行。
4. **顺带修掉的真 bug**(都是这次改动带出来、被 pyflakes + 真跑抓住的):
- `convert_flexiv_traj.py` / `rdk_drag_bridge.py` 用了 `os` 但没 import
→ `--help` 直接 NameError;
- `check_arm_prefixes.py` 第一版正则用 `\b` 收尾,而关节名是
`Rizon4-063989_joint1`(`_` 属于 \w,`\b` 不成立)→ SRDF 里 24 处
硬编码**一处都没报**,还打印 OK。已加负向测试钉住;
- 删掉若干死代码/死 import(`pos_line`/`flat`/`names`、`IfCondition` 等)。
## 验收(都真跑过)
- `python3 -m pyflakes <全部改过的 py>` → 干净
- 逐包 pytest:233 + 69 + 78 + 24 + 236 = **640 passed**
- `env -u ROBOT_SN python3 scripts/check_arm_prefixes.py` → OK(8 文件)
- 换成 SN=Rizon4-777001 的临时 site.yaml → 报出**8 个**文件不一致并给修法(退出码 1)
- 故意不给 SITE_* → 各 launch 的 `robot_sn` / `ee_frame` / `handeye_file`
默认值为 `''`,不再悄悄指向上一台臂
- `ros2 launch ... --show-args` 对 stack/sim/ros2_control/mock_control/
move_group/display/visual_servo **全部通过**
- `convert_flexiv_traj.py --help` 正常;拿 `xunhuan.traj` 真转 5 个路点,
输出 `joint_prefix: "Rizon4-063989_"` 来自 site.yaml
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
@@ -0,0 +1,135 @@
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"""``scripts/check_arm_prefixes.py`` 的自证测试(R5.2)。
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为什么这个检查器必须有测试
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--------------------------
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它是"换臂时防止漏改一级配置"的唯一守卫。**守卫自己失效过一次**:
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第一个版本的正则写成 ``\\bRizon\\d+-\\d{6}\\b``,而 Flexiv 的关节名是
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``Rizon4-063989_joint1`` —— ``_joint1`` 的下划线属于 ``\\w``,所以结尾的
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``\\b`` 不成立,SRDF 里 24 处硬编码**一处都没报出来**,脚本还打印
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"OK:8 个配置文件都指向 Rizon4-063989"。
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守卫的漏洞和它要防的漏洞长得一模一样,所以这里逐条钉住:
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* 挑得出 ``SN_joint1`` 这种**后缀带下划线**的形态(就是上面那个 bug);
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* 不会把 ``Rizon4-06398912`` 这种更长数字误判成长度正确的前缀;
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* 混着两个 SN 的文件,只报**不属于当前臂**的那些,并带上行号;
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* 读不出当前臂时**直接失败**,不输出"检查通过"。
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"""
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from __future__ import annotations
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import importlib.util
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from pathlib import Path
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import pytest
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_REPO = Path(__file__).resolve().parents[3]
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_SCRIPT = _REPO / "scripts" / "check_arm_prefixes.py"
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def _load():
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"""按路径加载 ``check_arm_prefixes``(它在 scripts/ 下,不是可导入的包)。"""
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if not _SCRIPT.is_file(): # pragma: no cover - 仓库被裁剪时的兜底
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pytest.skip(f"找不到 {_SCRIPT}")
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spec = importlib.util.spec_from_file_location("_check_arm_prefixes", _SCRIPT)
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module = importlib.util.module_from_spec(spec)
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assert spec and spec.loader
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spec.loader.exec_module(module)
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return module
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@pytest.fixture(scope="module")
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def mod():
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return _load()
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LEFT = "Rizon4-063989"
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RIGHT = "Rizon4-063991"
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class TestSnToken:
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"""正则必须挑得出真实的关节名形态。"""
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@pytest.mark.parametrize(
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"text",
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[
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LEFT, # 裸 SN
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f"{LEFT}_joint1", # ★ 就是踩过坑的形态
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f"{LEFT}_base_link",
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f"{LEFT}_flange",
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f'joint_prefix: "{LEFT}_"',
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f"- {LEFT}_joint7",
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"Rizon10s-123456_joint3", # 别的型号
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],
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)
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def test_matches_real_joint_names(self, mod, text: str):
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found = mod._SN_TOKEN.findall(text)
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assert found, f"应挑出 SN,但一个都没匹配到:{text!r}"
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@pytest.mark.parametrize(
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"text",
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[
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"Rizon4-0639891", # 多一位数字,不是合法的 6 位 SN 前缀
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"Rizon4-06398", # 只有 5 位
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"Rizon4_063989", # 下划线而不是连字符
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"not a robot at all",
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],
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)
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def test_rejects_non_sn_text(self, mod, text: str):
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assert not mod._SN_TOKEN.findall(text), f"不该匹配:{text!r}"
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class TestScan:
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"""混着两台臂的 SN 时,只报不属于当前臂的那些。"""
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def test_reports_only_other_arm(self, mod, tmp_path: Path):
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f = tmp_path / "controllers.yaml"
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f.write_text(
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"\n".join(
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[
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f"# 站点机器人 {LEFT}",
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"joints:",
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f" - {LEFT}_joint1",
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f" - {RIGHT}_joint2",
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]
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),
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encoding="utf-8",
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)
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hits = mod._scan(f, want_sn=LEFT)
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assert len(hits) == 1, f"只应报出 {RIGHT} 那一行,实际:{hits}"
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assert hits[0].startswith("4:"), f"应带行号 4,实际:{hits[0]!r}"
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assert RIGHT in hits[0]
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def test_all_matching_is_clean(self, mod, tmp_path: Path):
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f = tmp_path / "srdf.srdf"
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f.write_text(f'<joint name="{LEFT}_joint1" value="0"/>\n', encoding="utf-8")
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assert mod._scan(f, want_sn=LEFT) == []
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def test_missing_file_is_reported_not_swallowed(self, mod, tmp_path: Path):
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"""文件缺失也算不一致 —— 不能当成"没问题"跳过。"""
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hits = mod._scan(tmp_path / "nope.yaml", want_sn=LEFT)
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assert hits and "读不到文件" in hits[0]
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class TestActivePrefixFailsLoudly:
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"""读不出当前臂时必须失败,不能打印"检查通过"。"""
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def test_missing_site_config_exits_nonzero(self, mod, monkeypatch, tmp_path: Path):
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monkeypatch.setenv("SITE_CONFIG", str(tmp_path / "不存在.yaml"))
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monkeypatch.delenv("ROBOT_SN", raising=False)
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monkeypatch.delenv("ROBOT_ARM", raising=False)
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with pytest.raises(SystemExit) as exc:
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mod._active_prefix()
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assert exc.value.code == 2, "缺配置应当是明确的失败退出码,不是 0"
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def test_empty_sn_exits_nonzero(self, mod, monkeypatch, tmp_path: Path):
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"""site.yaml 里 robot.sn 为空 → 报错,而不是兜底成某台臂。"""
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site = tmp_path / "site.yaml"
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site.write_text("robot:\n sn: ''\n robots: []\n", encoding="utf-8")
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monkeypatch.setenv("SITE_CONFIG", str(site))
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monkeypatch.delenv("ROBOT_SN", raising=False)
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monkeypatch.delenv("ROBOT_ARM", raising=False)
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with pytest.raises(SystemExit) as exc:
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mod._active_prefix()
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assert exc.value.code == 2
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@@ -0,0 +1,289 @@
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"""证明「换一份 site.yaml,导出的 SITE_* 里就不该残留任何本机站点值」。
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这是 R1.1(禁止硬编码站点值)的机器化执行。与其用 grep 去数 ``Rizon4-063989``
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出现了几次(数不清、还会误报注释和文档),不如直接问一个**更强**的问题:
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给定一份完全不同的 site.yaml,``flatten()`` 导出的环境里
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还会不会出现本机的 SN / IP / 相机序列号 / 用户路径?
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只要有一处会,就说明那处的"默认值"其实是**写死的站点数据**。后果不是报错,
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而是 site.yaml 一旦缺那个键,程序就**静默地去操作另一台机器**:
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- ``SITE_ROBOT_SN`` 兜底成 ``Rizon4-063989`` → 配置漏了也照样连上,连的是谁看运气;
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- ``SITE_D405_LEFT_SERIAL`` 兜底成某个真实序列号 → 换站点后悄悄打开别人的相机。
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这类兜底比"没有默认值"危险得多(M1:不报错但结果是错的)。所以本测试的思路是
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**用一份虚构站点的配置跑一遍,断言本机值一个都不许出现**。
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真实工作区不存在时跳过(包可能被单独构建)。
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"""
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from __future__ import annotations
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import sys
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import pytest
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from arm_interfaces import paths
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# ---------------------------------------------------------------------------
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# 被测模块在 scripts/lib/ 下(launch 文件也是把它加进 sys.path 再 import 的),
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# 所以这里用同样的方式接进来。
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# ---------------------------------------------------------------------------
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_LIB = paths.ros2_root() / "scripts" / "lib"
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if str(_LIB) not in sys.path:
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sys.path.insert(0, str(_LIB))
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pytestmark = pytest.mark.skipif(
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not (_LIB / "export_site_env.py").is_file(),
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reason="scripts/lib/export_site_env.py 不存在(包被单独构建),跳过",
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)
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export_site_env = pytest.importorskip(
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"export_site_env", reason="需要 PyYAML 才能加载 site 配置"
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)
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# ---------------------------------------------------------------------------
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# 本机(真实站点)的值 —— 这些**绝不允许**成为任何配置缺键时的兜底
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# ---------------------------------------------------------------------------
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LOCAL_SN_LEFT = "Rizon4-063989"
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LOCAL_SN_RIGHT = "Rizon4-063991"
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LOCAL_CAM_LEFT = "352122274408"
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LOCAL_CAM_RIGHT = "260522274442"
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LOCAL_IPS = ("192.168.2.101", "192.168.2.100", "192.168.2.10")
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# 只放**设备身份**:SN、IP、相机序列号。不包含工作区绝对路径 ——
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# `_root()` 派生出来的 `/home/<用户>/ros2/...` 是仓库内部默认值,
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# 换站点换的也是仓库位置,不算站点数据(工具说的假错会让人不再信它,R5.3)。
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LOCAL_VALUES = (LOCAL_SN_LEFT, LOCAL_SN_RIGHT, LOCAL_CAM_LEFT, LOCAL_CAM_RIGHT,
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*LOCAL_IPS)
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# ---------------------------------------------------------------------------
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# 一份虚构站点的 site.yaml:SN / IP / 相机序列号全都不一样,
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# 侧别与 --arm 别名走 robots[].arm 与 robots[].label,而不是 SN 里的数字。
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# ---------------------------------------------------------------------------
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FAKE_SITE = {
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"robot": {
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"sn": "Rizon4-777001",
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"tool_name": "FakeToolA",
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"robots": [
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{
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"sn": "Rizon4-777001",
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"arm": "left",
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"label": "左臂01",
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"ip": "10.9.9.31",
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"pc_ip": "10.9.9.30",
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"iface": "eth9",
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"camera": {"name": "cam_a", "serial": "99900001"},
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"gripper": {"model": "FAKE-GRIP-A", "port": "/dev/ttyFAKE0"},
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"named_poses_file": "/opt/fake/named_a.yaml",
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},
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{
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"sn": "Rizon4-777002",
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"arm": "right",
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"label": "右臂02",
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"ip": "10.9.9.41",
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"pc_ip": "10.9.9.30",
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"iface": "eth9",
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"camera": {"name": "cam_b", "serial": "99900002"},
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"gripper": {"model": "FAKE-GRIP-B", "port": "/dev/ttyFAKE1"},
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"named_poses_file": "/opt/fake/named_b.yaml",
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},
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],
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},
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"paths": {"yolo_weights": "/opt/fake/weights.engine"},
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"cameras": {
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"d405_left": {"serial": "99900001"},
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"d405_right": {"serial": "99900002"},
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"d435": {"serial": "99900003"},
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},
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"handeye": {"mode": "eye_in_hand"},
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}
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def _flat(monkeypatch, sn: str | None = None, site: dict | None = None) -> dict:
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"""用虚构站点配置跑一遍 flatten(),返回导出的环境字典。"""
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monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml") # 防止误读真配置
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if sn is None:
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monkeypatch.delenv("ROBOT_SN", raising=False)
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monkeypatch.delenv("ROBOT_ARM", raising=False)
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else:
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monkeypatch.setenv("ROBOT_SN", sn)
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return export_site_env.flatten(dict(site if site is not None else FAKE_SITE))
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# 一份**最小**配置:只有 robots[].sn / arm,其余键一律不写。
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# 这样所有 ``or <默认值>`` 的兜底分支都会被走到 —— 泄漏就藏在那些分支里。
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# 注意它仍然要能跑完 flatten(),所以不能真的删到没法解析。
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MINIMAL_SITE = {
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"robot": {
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"robots": [
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{"sn": "Rizon4-777001", "arm": "left"},
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{"sn": "Rizon4-777002", "arm": "right"},
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]
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},
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}
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class TestNoLocalValuesLeak:
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"""换站点后,导出结果里不许出现本机的任何设备标识。"""
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def test_flat_env_has_no_local_values(self, monkeypatch):
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flat = _flat(monkeypatch)
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leaked = {
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key: value
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for key, value in flat.items()
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if any(token in str(value) for token in LOCAL_VALUES)
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}
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assert not leaked, (
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"这些 SITE_* 在 site.yaml 缺键时兜底成了本机站点值,"
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"会让程序静默操作另一台设备:\n"
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+ "\n".join(f" {k} = {v!r}" for k, v in sorted(leaked.items()))
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)
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def test_flat_env_has_no_local_values_for_right_arm(self, monkeypatch):
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flat = _flat(monkeypatch, sn="Rizon4-777002")
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leaked = {
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key: value
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for key, value in flat.items()
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if any(token in str(value) for token in LOCAL_VALUES)
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}
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||||
assert not leaked, (
|
||||
"切换到虚构站的右臂后仍有本机值残留:\n"
|
||||
+ "\n".join(f" {k} = {v!r}" for k, v in sorted(leaked.items()))
|
||||
)
|
||||
|
||||
def test_minimal_config_exercises_every_fallback(self, monkeypatch):
|
||||
"""配置里只有 SN 和侧别时,兜底值也不许是本机设备值。
|
||||
|
||||
这条是上一条的加强版:完整配置会把 ``or <默认值>`` 短路掉,
|
||||
所以泄漏只有用**最小配置**才暴露得出来。
|
||||
"""
|
||||
flat = _flat(monkeypatch, sn="Rizon4-777001", site=MINIMAL_SITE)
|
||||
leaked = {
|
||||
key: value
|
||||
for key, value in flat.items()
|
||||
if any(token in str(value) for token in LOCAL_VALUES)
|
||||
}
|
||||
assert not leaked, (
|
||||
"最小配置(只给 SN/侧别)下,这些 SITE_* 兜底成了本机站点值:\n"
|
||||
+ "\n".join(f" {k} = {v!r}" for k, v in sorted(leaked.items()))
|
||||
)
|
||||
|
||||
def test_no_local_serial_fallback_without_cameras_section(self, monkeypatch):
|
||||
"""``cameras:`` 整段缺失时,序列号必须为空,不能补一个真实序列号。"""
|
||||
flat = _flat(monkeypatch, sn="Rizon4-777001", site=MINIMAL_SITE)
|
||||
for key in ("SITE_D405_LEFT_SERIAL", "SITE_D405_RIGHT_SERIAL",
|
||||
"SITE_D435_SERIAL"):
|
||||
value = str(flat.get(key) or "")
|
||||
assert value == "", (
|
||||
f"{key} 应当是空(配置里没写),实际兜底成了 {value!r} —— "
|
||||
"这会让程序悄悄打开别人的相机"
|
||||
)
|
||||
|
||||
@pytest.mark.parametrize("builder", ["gripper_overrides", "perception_overrides",
|
||||
"servo_overrides"])
|
||||
def test_ros_param_dicts_have_no_local_values(self, monkeypatch, builder):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
monkeypatch.delenv("ROBOT_SN", raising=False)
|
||||
monkeypatch.delenv("ROBOT_ARM", raising=False)
|
||||
params = getattr(export_site_env, builder)(dict(FAKE_SITE))
|
||||
leaked = {
|
||||
key: value
|
||||
for key, value in params.items()
|
||||
if any(token in str(value) for token in LOCAL_VALUES)
|
||||
}
|
||||
assert not leaked, (
|
||||
f"{builder}() 返回的 ROS 参数里带上了本机站点值:\n"
|
||||
+ "\n".join(f" {k} = {v!r}" for k, v in sorted(leaked.items()))
|
||||
)
|
||||
|
||||
def test_active_arm_switches_camera_with_the_arm(self, monkeypatch):
|
||||
"""换臂必须换相机序列号(这是 89/91 不能混用的核心)。"""
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
monkeypatch.setenv("ROBOT_SN", "Rizon4-777001")
|
||||
left = export_site_env.flatten(dict(FAKE_SITE))
|
||||
monkeypatch.setenv("ROBOT_SN", "Rizon4-777002")
|
||||
right = export_site_env.flatten(dict(FAKE_SITE))
|
||||
|
||||
assert left["SITE_CAM_SERIAL"] == "99900001"
|
||||
assert right["SITE_CAM_SERIAL"] == "99900002"
|
||||
assert left["SITE_CAM_NAME"] != right["SITE_CAM_NAME"]
|
||||
|
||||
|
||||
class TestArmAliasResolution:
|
||||
"""--arm 的别名解析必须**来自 robots[]**,不能来自写死的 SN 表。"""
|
||||
|
||||
def test_resolves_by_side_word(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
assert export_site_env.normalize_robot_sn(dict(FAKE_SITE), "left") == "Rizon4-777001"
|
||||
assert export_site_env.normalize_robot_sn(dict(FAKE_SITE), "right") == "Rizon4-777002"
|
||||
|
||||
def test_resolves_by_chinese_label(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
assert export_site_env.normalize_robot_sn(dict(FAKE_SITE), "左臂01") == "Rizon4-777001"
|
||||
assert export_site_env.normalize_robot_sn(dict(FAKE_SITE), "右臂02") == "Rizon4-777002"
|
||||
|
||||
def test_resolves_by_full_sn(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
assert export_site_env.normalize_robot_sn(dict(FAKE_SITE), "Rizon4-777002") == "Rizon4-777002"
|
||||
|
||||
def test_site_alias_scheme_still_works(self, monkeypatch):
|
||||
"""真实站点仍然要支持 --arm 89|91(由 SN 末两位派生,不是查表)。"""
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
site = {
|
||||
"robot": {
|
||||
"robots": [
|
||||
{"sn": "Rizon4-063989", "arm": "left"},
|
||||
{"sn": "Rizon4-063991", "arm": "right"},
|
||||
]
|
||||
}
|
||||
}
|
||||
assert export_site_env.normalize_robot_sn(site, "89") == "Rizon4-063989"
|
||||
assert export_site_env.normalize_robot_sn(site, "91") == "Rizon4-063991"
|
||||
|
||||
|
||||
class TestUnknownArmFailsLoudly:
|
||||
"""给了一个匹配不上的臂别名,必须在启动时就报错,不能静默用错臂。"""
|
||||
|
||||
def test_unknown_numeric_alias_is_rejected(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
with pytest.raises((ValueError, SystemExit)) as exc:
|
||||
export_site_env.resolve_robot(dict(FAKE_SITE), sn="89")
|
||||
assert "89" in str(exc.value)
|
||||
|
||||
def test_unknown_side_word_is_rejected(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
with pytest.raises((ValueError, SystemExit)):
|
||||
export_site_env.resolve_robot(dict(FAKE_SITE), sn="middle")
|
||||
|
||||
def test_error_message_lists_available_arms(self, monkeypatch):
|
||||
"""报错必须告诉人有哪些臂可选 —— 否则使用者只能去读源码。"""
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
with pytest.raises((ValueError, SystemExit)) as exc:
|
||||
export_site_env.resolve_robot(dict(FAKE_SITE), sn="89")
|
||||
message = str(exc.value)
|
||||
assert "Rizon4-777001" in message
|
||||
assert "Rizon4-777002" in message
|
||||
|
||||
|
||||
class TestDerivedPathsFollowTheActiveArm:
|
||||
"""派生路径(手眼文件等)要跟着当前臂走,不能钉死某一台。"""
|
||||
|
||||
def test_handeye_filenames_derived_from_sn(self, monkeypatch):
|
||||
monkeypatch.setenv("SITE_CONFIG", "/nonexistent/site.yaml")
|
||||
monkeypatch.setenv("ROBOT_SN", "Rizon4-777001")
|
||||
left = export_site_env.flatten(dict(FAKE_SITE))
|
||||
monkeypatch.setenv("ROBOT_SN", "Rizon4-777002")
|
||||
right = export_site_env.flatten(dict(FAKE_SITE))
|
||||
|
||||
assert left["SITE_HANDEYE_FILE"] != right["SITE_HANDEYE_FILE"], (
|
||||
"两台臂的手眼文件路径不能是同一个"
|
||||
)
|
||||
assert left["SITE_HANDEYE_WAYPOINTS"] != right["SITE_HANDEYE_WAYPOINTS"]
|
||||
assert left["SITE_HANDEYE_WORKDIR"] != right["SITE_HANDEYE_WORKDIR"]
|
||||
Reference in New Issue
Block a user