150 lines
5.7 KiB
Python
150 lines
5.7 KiB
Python
"""EnergiaBridge: Canonical bridge between GridVerse primitives and a vendor-agnostic
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interoperability layer (CatOpt-style).
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This is a minimal, production-ready skeleton intended to anchor the interoperability
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story described in the GridVerse MVP plan. It provides small, well-defined mapping
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points between GridVerse core contracts (Objects, Morphisms, PlanDelta, etc.) and a
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canonical representation used by potential adapters and external runtimes.
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Note: This module is intentionally lightweight. Real deployments should augment the
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mapping logic with proper schema validation, versioning, cryptographic attestation,
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and TLS transport glue.
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"""
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from __future__ import annotations
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from dataclasses import dataclass, field
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from typing import Any, Dict
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# Lightweight import to avoid circular imports at module import time.
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try:
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from gridverse.registry import GraphContractRegistry
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except Exception: # pragma: no cover
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GraphContractRegistry = object # type: ignore
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@dataclass
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class CanonicalBundle:
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"""Canonical representation that adapters can consume/emit.
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- objects: canonical LocalProblem-like entities per-site
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- morphisms: canonical SharedVariables/DualVariables as channels
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- duals: coupling/duality signals between local problems and global constraints
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- plan_delta: incremental optimization actions to apply
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- governance: lightweight per-message metadata for audit/logs
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"""
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objects: Dict[str, Any] = field(default_factory=dict)
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morphisms: Dict[str, Any] = field(default_factory=dict)
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duals: Dict[str, Any] = field(default_factory=dict)
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plan_delta: Dict[str, Any] = field(default_factory=dict)
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governance: Dict[str, Any] = field(default_factory=dict)
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def __repr__(self) -> str:
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return (
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f"CanonicalBundle(objects={len(self.objects)}, morphisms={len(self.morphisms)}, "
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f"duals={len(self.duals)}, plan_delta={len(self.plan_delta)}, governance={len(self.governance)})"
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)
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def to_canonical(local_problem: Dict[str, Any], shared_vars: Dict[str, Any],
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plan_delta: Dict[str, Any], version: str | None = None) -> CanonicalBundle:
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"""Convert GridVerse primitives to a CanonicalBundle.
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This is a thin wrapper that can be extended with proper validation and versioning.
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"""
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bundle = CanonicalBundle()
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bundle.objects = {
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k: v for k, v in (local_problem or {}).items()
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}
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bundle.morphisms = {
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k: v for k, v in (shared_vars or {}).items()
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}
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bundle.duals = {} # Reserved for dual variables mapping; filled by adapters as needed
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bundle.plan_delta = plan_delta or {}
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bundle.governance = {
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"version": version or "0.1.0",
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"timestamp": __import__('time').time(),
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"note": "generated via to_canonical"
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}
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return bundle
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def from_canonical(bundle: CanonicalBundle) -> Dict[str, Any]:
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"""Inverse mapping: CanonicalBundle -> local primitives (placeholders).
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This is a minimal placeholder returning the contained dictionaries.
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Real usage should reconstruct proper GridVerse contracts with validation.
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"""
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local_problem = dict(bundle.objects)
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shared_vars = dict(bundle.morphisms)
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plan_delta = dict(bundle.plan_delta)
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governance = dict(bundle.governance)
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return {
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"local_problem": local_problem,
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"shared_vars": shared_vars,
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"plan_delta": plan_delta,
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"governance": governance,
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}
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__all__ = ["CanonicalBundle", "to_canonical", "from_canonical"]
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def bootstrap_contracts(registry: "GraphContractRegistry") -> None:
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"""Register a minimal set of contract schemas into the provided registry.
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This function is intended as an MVP bootstrap helper so adapters can rely on
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a versioned, conformance-checked contract namespace without requiring a
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full deployment environment. It registers a LocalProblem, SharedVariables,
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and PlanDelta contract skeletons that adapters can reference during
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development and testing.
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Note: The input registry might be a thin in-process registry or a remote
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service; this function only uses a simple interface: register_contract. If
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GraphContractRegistry is not available at import time, this function is a no-op.
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"""
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# Be resilient to environments where a concrete registry class isn't wired up
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# yet. If the registry exposes a simple 'register_contract' method, use it.
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if not hasattr(registry, "register_contract"):
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return
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# Example schema shapes. They are intentionally small and self-describing.
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local_problem_schema = {
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"name": "LocalProblem",
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"version": "0.1.0",
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"schema": {
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"type": "object",
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"properties": {
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"site_id": {"type": "string"},
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"description": {"type": "string"},
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"variables": {"type": "object"},
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},
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"required": ["site_id", "description"],
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},
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}
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shared_variables_schema = {
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"name": "SharedVariables",
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"version": "0.1.0",
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"schema": {
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"type": "object",
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"properties": {
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"signals": {"type": "object"},
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},
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},
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}
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plan_delta_schema = {
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"name": "PlanDelta",
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"version": "0.1.0",
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"schema": {
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"type": "object",
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"properties": {
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"delta_id": {"type": "string"},
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"changes": {"type": "object"},
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},
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},
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}
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registry.register_contract("LocalProblem", local_problem_schema["version"], local_problem_schema["schema"])
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registry.register_contract("SharedVariables", shared_variables_schema["version"], shared_variables_schema["schema"])
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registry.register_contract("PlanDelta", plan_delta_schema["version"], plan_delta_schema["schema"])
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