fix(lab): support legacy Python 3.9 adapters

experiments/perception/worker/observatory_portable/Install-LabV1ComponentAdapterImages.ps1

@@ -11,7 +11,7 @@ $ProgressPreference = "SilentlyContinue"
 
 $RuntimeRoot = [IO.Path]::GetFullPath("D:\NDC_MISSIONCORE\runtime").TrimEnd("\")
 $BuildRoot = Join-Path $RuntimeRoot "staging\observatory-lab-v1-build-$SourceRevision"
-$SharedAdapterSha256 = "fb208c6cd337153827147006cd26bf4c1c00963f91eb801280485dbc7213d08b"
+$SharedAdapterSha256 = "91c1878a58acf3ac35ce894f4de9b63cba3b7f29a65548e28df176063a2953c9"
 $BuildMethod = "docker-commit-exact-layer-v1"
 $MaximumLayerBytes = [int64](16MB)
 
@@ -34,7 +34,7 @@ $Components = [ordered]@{
     "ddrnet" = [pscustomobject]@{
         base_image_sha256 = "591cb382c099eeb05e7ec16e2371e0b2da54d2bb5c49ec0f4ac88dbf72b0f0cd"
         adapter_name = "run_portable_lab_v1_ddrnet_component.py"
-        adapter_sha256 = "d2af887b065b0f63890768d59247114e49b70ad490c027f20eefd98682636c3c"
+        adapter_sha256 = "a398a43fe4069bf1b1fc2ec61b44df53dad6072cccb6d10a2627e76a96a94056"
         python_check = "conda run --no-capture-output --name goose python -B -m py_compile"
         entrypoint = '["conda","run","--no-capture-output","--name","goose","python"]'
         command = '["/opt/nodedc/adapter/run_portable_lab_v1_ddrnet_component.py"]'

experiments/perception/worker/observatory_portable/portable_lab_v1_component_adapter.py

@@ -70,17 +70,17 @@ _SAFE_COMPONENT = re.compile(r"^[A-Za-z0-9][A-Za-z0-9._-]{0,127}$")
 _OBSERVATORY_JOB_ID = re.compile(r"^observatory-run-[a-f0-9]{32}$")
 _CAMERA_JOB_ID = re.compile(r"^recorded-camera-[a-f0-9]{24}$")
 
-type Component = Literal["eomt", "ddrnet"]
-type AssetKind = Literal["file", "tree"]
-type AssetVerification = Literal["sha256", "identity-sha256"]
-type CommandRunner = Callable[[Sequence[str], Mapping[str, str] | None], None]
+Component = Literal["eomt", "ddrnet"]
+AssetKind = Literal["file", "tree"]
+AssetVerification = Literal["sha256", "identity-sha256"]
+CommandRunner = Callable[[Sequence[str], Mapping[str, str] | None], None]
 
 
 class ComponentAdapterError(RuntimeError):
     """A sealed request, mounted input, or component output changed."""
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class AssetExpectation:
     asset_id: str
     path: str
@@ -102,7 +102,7 @@ class AssetExpectation:
             raise ValueError("asset expectation byte length is invalid")
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class AssetBinding:
     asset_id: str
     path: str
@@ -112,7 +112,7 @@ class AssetBinding:
     byte_length: int | None
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class SourceBinding:
     observatory_job_id: str
     source_session_id: str
@@ -126,7 +126,7 @@ class SourceBinding:
     timeline_end_seconds: float
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class ComponentRequest:
     component: Component
     component_image_sha256: str
@@ -139,7 +139,7 @@ class ComponentRequest:
     assets: Mapping[str, AssetBinding]
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class RuntimeLayout:
     """Runtime-only test seam; production entrypoints use ``fixed()`` only."""
 

experiments/perception/worker/observatory_portable/run_portable_lab_v1_ddrnet_component.py

@@ -65,7 +65,7 @@ EOMT_MODEL_ARCHITECTURE: Final = "EomtForUniversalSegmentation"
 SOURCE_FRAME_MANIFEST_SCHEMA: Final = "missioncore.recorded-perception-source-frames/v1"
 
 
-@dataclass(frozen=True, slots=True)
+@dataclass(frozen=True)
 class SourceFrameRow:
     sequence: int
     path: str

tests/test_lab_v1_component_adapter_image_installer.py

@@ -41,9 +41,9 @@ def test_component_image_installer_binds_bases_and_adapter_sources() -> None:
     for digest in (
         "58df7489c3f2276f9591d500a012dee03e23d35543ce3c390b4c001e6bf90794",
         "591cb382c099eeb05e7ec16e2371e0b2da54d2bb5c49ec0f4ac88dbf72b0f0cd",
-        "fb208c6cd337153827147006cd26bf4c1c00963f91eb801280485dbc7213d08b",
+        "91c1878a58acf3ac35ce894f4de9b63cba3b7f29a65548e28df176063a2953c9",
         "b48ef255403abcfd177a6550688410a52b0fbd29d2a54c8417cb5a0daa330ad5",
-        "d2af887b065b0f63890768d59247114e49b70ad490c027f20eefd98682636c3c",
+        "a398a43fe4069bf1b1fc2ec61b44df53dad6072cccb6d10a2627e76a96a94056",
     ):
         assert digest in script
     assert 'entrypoint = \'["python3"]\'' in script

tests/test_observatory_portable_lab_v1_component_adapters.py

@@ -26,6 +26,19 @@ import run_portable_lab_v1_ddrnet_component as ddrnet  # noqa: E402
 import run_portable_lab_v1_eomt_component as eomt  # noqa: E402
 
 
+def test_component_entrypoints_keep_the_legacy_python39_syntax_floor() -> None:
+    paths = (
+        ADAPTER_ROOT / "portable_lab_v1_component_adapter.py",
+        ADAPTER_ROOT / "run_portable_lab_v1_eomt_component.py",
+        ADAPTER_ROOT / "run_portable_lab_v1_ddrnet_component.py",
+    )
+    for path in paths:
+        source = path.read_text(encoding="utf-8")
+        assert "\ntype " not in source
+    assert "slots=True" not in paths[0].read_text(encoding="utf-8")
+    assert "slots=True" not in paths[2].read_text(encoding="utf-8")
+
+
 def _write_canonical(path: Path, value: object) -> None:
     path.parent.mkdir(parents=True, exist_ok=True)
     path.write_bytes(contract.canonical_json(value))