fix(lab): avoid runtime typing on Python 3.9

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"
-$SharedAdapterSha256 = "91c1878a58acf3ac35ce894f4de9b63cba3b7f29a65548e28df176063a2953c9"
+$SharedAdapterSha256 = "b7dcb3532a65ddc2d6988391056dd2f58f5f631a4db978ebfb5e170bde9c3916"
 $BuildMethod = "docker-commit-exact-layer-v1"
 $MaximumLayerBytes = [int64](16MB)
 

experiments/perception/worker/observatory_portable/portable_lab_v1_component_adapter.py

@@ -23,7 +23,7 @@ import zlib
 from collections.abc import Callable, Mapping, Sequence
 from dataclasses import dataclass
 from pathlib import Path, PurePosixPath
-from typing import Final, Literal, cast
+from typing import Final, Literal, Optional, cast
 
 REQUEST_SCHEMA: Final = "missioncore.observatory-portable-lab-v1-component-request/v1"
 SOURCE_SCHEMA: Final = "missioncore.observatory-portable-lab-v1-source/v1"
@@ -73,7 +73,7 @@ _CAMERA_JOB_ID = re.compile(r"^recorded-camera-[a-f0-9]{24}$")
 Component = Literal["eomt", "ddrnet"]
 AssetKind = Literal["file", "tree"]
 AssetVerification = Literal["sha256", "identity-sha256"]
-CommandRunner = Callable[[Sequence[str], Mapping[str, str] | None], None]
+CommandRunner = Callable[[Sequence[str], Optional[Mapping[str, str]]], None]  # noqa: UP045
 
 
 class ComponentAdapterError(RuntimeError):
@@ -792,7 +792,7 @@ def _paths(value: object, component: Component) -> dict[str, str | None]:
     _exact_keys(document, set(expected), "component paths")
     if document != expected:
         raise ComponentAdapterError("component path contract changed")
-    return cast(dict[str, str | None], document)
+    return cast(dict[str, Optional[str]], document)  # noqa: UP045
 
 
 def _asset_bindings(

tests/test_lab_v1_component_adapter_image_installer.py

@@ -41,7 +41,7 @@ def test_component_image_installer_binds_bases_and_adapter_sources() -> None:
     for digest in (
         "58df7489c3f2276f9591d500a012dee03e23d35543ce3c390b4c001e6bf90794",
         "591cb382c099eeb05e7ec16e2371e0b2da54d2bb5c49ec0f4ac88dbf72b0f0cd",
-        "91c1878a58acf3ac35ce894f4de9b63cba3b7f29a65548e28df176063a2953c9",
+        "b7dcb3532a65ddc2d6988391056dd2f58f5f631a4db978ebfb5e170bde9c3916",
         "b48ef255403abcfd177a6550688410a52b0fbd29d2a54c8417cb5a0daa330ad5",
         "a398a43fe4069bf1b1fc2ec61b44df53dad6072cccb6d10a2627e76a96a94056",
     ):

tests/test_observatory_portable_lab_v1_component_adapters.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import ast
 import hashlib
 import json
 import shutil
@@ -35,6 +36,20 @@ def test_component_entrypoints_keep_the_legacy_python39_syntax_floor() -> None:
     for path in paths:
         source = path.read_text(encoding="utf-8")
         assert "\ntype " not in source
+        module = ast.parse(source, filename=str(path), feature_version=(3, 9))
+        for statement in module.body:
+            if isinstance(statement, ast.Assign):
+                assert not any(
+                    isinstance(node, ast.BinOp) and isinstance(node.op, ast.BitOr)
+                    for node in ast.walk(statement.value)
+                ), f"runtime-evaluated PEP 604 alias in {path.name}"
+        for call in (node for node in ast.walk(module) if isinstance(node, ast.Call)):
+            if isinstance(call.func, ast.Name) and call.func.id == "cast":
+                assert call.args
+                assert not any(
+                    isinstance(node, ast.BinOp) and isinstance(node.op, ast.BitOr)
+                    for node in ast.walk(call.args[0])
+                ), f"runtime-evaluated PEP 604 cast in {path.name}"
     assert "slots=True" not in paths[0].read_text(encoding="utf-8")
     assert "slots=True" not in paths[2].read_text(encoding="utf-8")