| """Hash the exact installed runtime used by maze execution workers.""" |
|
|
| from __future__ import annotations |
|
|
| import hashlib |
| import importlib.metadata |
| import json |
| from pathlib import Path |
| import platform |
| from typing import Any |
|
|
|
|
| def _sha256(path: Path) -> str: |
| digest = hashlib.sha256() |
| with path.open("rb") as handle: |
| for chunk in iter(lambda: handle.read(1024 * 1024), b""): |
| digest.update(chunk) |
| return digest.hexdigest() |
|
|
|
|
| def _canonical_sha256(value: Any) -> str: |
| encoded = json.dumps( |
| value, |
| allow_nan=False, |
| ensure_ascii=True, |
| separators=(",", ":"), |
| sort_keys=True, |
| ).encode("ascii") |
| return hashlib.sha256(encoded).hexdigest() |
|
|
|
|
| def _file_receipt(path: Path, package_root: Path) -> dict[str, str]: |
| return { |
| "path": path.relative_to(package_root.parent).as_posix(), |
| "sha256": _sha256(path), |
| } |
|
|
|
|
| def maze_runtime_identity() -> dict[str, Any]: |
| """Return source-bound PointMaze and AntMaze environment identities.""" |
|
|
| import gymnasium |
| import gymnasium_robotics |
|
|
| robotics_root = Path(gymnasium_robotics.__file__).resolve().parent |
| site_packages = robotics_root.parent |
| gymnasium_root = Path(gymnasium.__file__).resolve().parent |
| common = { |
| "python": platform.python_version(), |
| "packages": { |
| package: importlib.metadata.version(package) |
| for package in ("gymnasium", "gymnasium-robotics", "mujoco", "numpy") |
| }, |
| "maze_v4": _file_receipt( |
| robotics_root / "envs/maze/maze_v4.py", site_packages |
| ), |
| } |
| point_payload = { |
| "schema_version": "point-maze-runtime-v1", |
| "common": common, |
| "point_maze": _file_receipt( |
| robotics_root / "envs/maze/point_maze.py", site_packages |
| ), |
| "point_xml": _file_receipt( |
| robotics_root / "envs/assets/point/point.xml", site_packages |
| ), |
| } |
| ant_payload = { |
| "schema_version": "ant-maze-runtime-v1", |
| "common": common, |
| "ant_maze": _file_receipt( |
| robotics_root / "envs/maze/ant_maze_v5.py", site_packages |
| ), |
| "ant_v5": _file_receipt( |
| gymnasium_root / "envs/mujoco/ant_v5.py", site_packages |
| ), |
| "ant_xml": _file_receipt( |
| gymnasium_root / "envs/mujoco/assets/ant.xml", site_packages |
| ), |
| } |
| return { |
| "schema_version": "maze-runtime-identity-v1", |
| "point": point_payload, |
| "ant": ant_payload, |
| "point_environment_sha256": _canonical_sha256(point_payload), |
| "ant_environment_sha256": _canonical_sha256(ant_payload), |
| } |
|
|
