50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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"""Stabile Parameterpfade (PLAN.md §10.2).
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Pfade werden niemals aus sichtbaren Namen gebildet; alle Teile sind UUIDs
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oder feste Schlüsselwörter.
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"""
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from __future__ import annotations
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import uuid
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_ALLOWED_ROOTS = {"composition", "output", "cluster", "master"}
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def _is_uuid(value: str) -> bool:
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try:
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uuid.UUID(value)
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return True
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except (ValueError, AttributeError):
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return False
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def validate_parameter_path(path: str) -> bool:
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"""True, wenn der Pfad dem Muster §10.2 entspricht."""
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if not path or path.startswith("/") or "\\" in path or ".." in path:
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return False
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parts = path.split("/")
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root = parts[0]
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if root not in _ALLOWED_ROOTS:
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return False
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if root == "master":
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return len(parts) == 2 and parts[1] != ""
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if root in {"composition", "output"}:
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if len(parts) < 3:
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return False
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if not _is_uuid(parts[1]):
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return False
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return all(p != "" for p in parts[2:])
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# cluster: cluster/group/{uuid}/... oder cluster/node/{uuid}/...
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if len(parts) >= 3 and parts[1] in {"group", "node"} and _is_uuid(parts[2]):
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return all(p != "" for p in parts[3:])
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return False
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def layer_opacity_path(composition_id: str, layer_id: str) -> str:
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return f"composition/{composition_id}/layer/{layer_id}/opacity"
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def master_intensity_path() -> str:
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return "master/intensity"
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