Добавлены Workers в систему

scimesh/worker/models.py

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+"""Value objects shared by the worker daemon components."""
+
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any
+
+
+@dataclass(frozen=True)
+class InputArtifact:
+    uri: str
+    sha256: str
+
+
+@dataclass(frozen=True)
+class ClaimedTask:
+    task_id: str
+    attempt: int
+    lease_expires_at: str
+    workload: str
+    input: InputArtifact
+    parameters: dict[str, Any]
+
+    @classmethod
+    def from_json(cls, data: dict[str, Any]) -> "ClaimedTask":
+        try:
+            input_data = data["input"]
+            return cls(
+                task_id=str(data["task_id"]),
+                attempt=int(data["attempt"]),
+                lease_expires_at=str(data["lease_expires_at"]),
+                workload=str(data["workload"]),
+                input=InputArtifact(uri=str(input_data["uri"]), sha256=str(input_data["sha256"])),
+                parameters=dict(data.get("parameters", {})),
+            )
+        except (KeyError, TypeError, ValueError) as error:
+            raise ValueError("invalid claimed-task response") from error
+
+
+@dataclass(frozen=True)
+class ProducedArtifact:
+    path: Path
+    content_type: str
+
+
+@dataclass(frozen=True)
+class RunResult:
+    artifacts: tuple[ProducedArtifact, ...]
+    metrics: dict[str, int | float]