49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
"""Environment manifest for project verification.
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Ported from superagent-ai/grok-cli ``src/verify/environment.ts``. The manifest
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at ``<project>/.hermes/environment.json`` is the user-editable source of truth:
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when present and valid it wins over fresh static detection.
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"""
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from __future__ import annotations
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import json
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from datetime import datetime, timezone, UTC
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from pathlib import Path
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from agent.verify.recipes import Recipe, detect_recipe
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MANIFEST_VERSION = 1
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_MANIFEST_RELPATH = Path(".hermes") / "environment.json"
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def manifest_path(root: Path) -> Path:
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"""Path of the verify manifest for the project at ``root``."""
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return Path(root) / _MANIFEST_RELPATH
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def load_manifest(root: Path) -> Recipe | None:
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"""Load the saved recipe; any read/parse/shape problem returns ``None`` so a
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corrupt manifest degrades to fresh detection. Accepts the wrapped
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``{version, recipe}`` shape and a bare recipe."""
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try:
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manifest = json.loads(manifest_path(root).read_text(encoding="utf-8-sig"))
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except (OSError, ValueError): # ValueError includes JSONDecodeError
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return None
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return Recipe.from_dict(manifest.get("recipe", manifest)) if isinstance(manifest, dict) else None
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def save_manifest(root: Path, recipe: Recipe) -> Path:
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"""Persist ``recipe`` in the versioned wrapper shape; returns the manifest path."""
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path = manifest_path(root)
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path.parent.mkdir(parents=True, exist_ok=True)
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payload = {"version": MANIFEST_VERSION, "recipe": recipe.to_dict(), "updatedAt": datetime.now(UTC).isoformat()}
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path.write_text(json.dumps(payload, indent=2) + "\n", encoding="utf-8")
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return path
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def load_or_detect(root: Path) -> tuple[Recipe | None, str]:
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"""Return ``(recipe, source)``; a saved manifest ('manifest') wins over 'detected'."""
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saved = load_manifest(root)
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return (saved, "manifest") if saved is not None else (detect_recipe(root), "detected")
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