diff --git a/src/cosmosmesh_privacy_preserving_federated/__init__.py b/src/cosmosmesh_privacy_preserving_federated/__init__.py index 9ee7da5..cba890a 100644 --- a/src/cosmosmesh_privacy_preserving_federated/__init__.py +++ b/src/cosmosmesh_privacy_preserving_federated/__init__.py @@ -9,5 +9,16 @@ API semantics. """ from .admm_lite import ADMMLiteSolver +from .catopt_bridge import CatOptBridge +from .contract_registry import ContractRegistry +from .dsl_sketch import LocalProblemDSL, SharedVariablesDSL, DualVariablesDSL, PlanDeltaDSL -__all__ = ["ADMMLiteSolver"] +__all__ = [ + "ADMMLiteSolver", + "CatOptBridge", + "ContractRegistry", + "LocalProblemDSL", + "SharedVariablesDSL", + "DualVariablesDSL", + "PlanDeltaDSL", +] diff --git a/src/cosmosmesh_privacy_preserving_federated/catopt_bridge.py b/src/cosmosmesh_privacy_preserving_federated/catopt_bridge.py index bff2c47..d4ba3c7 100644 --- a/src/cosmosmesh_privacy_preserving_federated/catopt_bridge.py +++ b/src/cosmosmesh_privacy_preserving_federated/catopt_bridge.py @@ -1,56 +1,75 @@ -"""CatOpt bridge for CosmosMesh MVP (minimal skeleton). +"""CatOpt bridge (MVP): CosmosMesh primitives <-> CatOpt-like representation. -This module provides a lightweight translator that maps CosmosMesh MVP -primitives to a canonical CatOpt-style representation and back. -The implementation is intentionally small and pluggable to support early -experimentation and cross-domain interoperability without pulling in a full -CatOpt dependency. +This module provides a tiny, domain-agnostic translator that maps CosmosMesh MVP +primitives (LocalProblem, SharedVariables, DualVariables, PlanDelta) to a +canonical CatOpt-like representation consisting of Objects, Morphisms, and +Functors. It is intentionally lightweight to bootstrap cross-domain MVP testing +without introducing heavy dependencies. """ from __future__ import annotations -from typing import Dict, Tuple, Optional +from typing import Any, Dict -from .contracts import LocalProblem, SharedVariables, DualVariables +from .dsl_sketch import LocalProblemDSL, SharedVariablesDSL, PlanDeltaDSL -def to_catopt(local: LocalProblem, shared: SharedVariables, dual: DualVariables) -> Dict[str, object]: - """Convert CosmosMesh MVP primitives into a minimal CatOpt-like payload. +class CatOptBridge: + """Lightweight translator between CosmosMesh primitives and CatOpt-like signals. - Returns a dict with canonical sections: Objects, Morphisms, Functors. - This is a tiny, illustrative mapping suitable for MVP experiments. + The bridge does not implement real secure transport or cryptography; it merely + provides a stable, versioned mapping surface that downstream adapters can rely on + for MVP interoperability. """ - return { - "Objects": { - "LocalProblem": { - "agent_id": local.agent_id, - "variables": local.variables, - "objective": local.objective, - "constraints": local.constraints, - "version": local.version, - } - }, - "Morphisms": { - "SharedVariables": shared.variables, - "DualVariables": dual.values, - "version": shared.version, - }, - "Functors": { - "Exposes": ["readState", "exposeLocalProblemData", "applyCommand"], - }, - } + def __init__(self) -> None: + # Simple in-memory registry of versions for contracts lived in this bridge + self._registry: Dict[str, str] = { + "LocalProblem": "0.1", + "SharedVariables": "0.1", + "DualVariables": "0.1", + "PlanDelta": "0.1", + } -def from_catopt(payload: Dict[str, object]) -> Tuple[LocalProblem, SharedVariables, DualVariables]: - """Reconstruct primitives from a CatOpt-like payload (best-effort).""" - obj = payload.get("Objects", {}).get("LocalProblem", {}) - lp = LocalProblem( - agent_id=str(obj.get("agent_id", "")), - variables=dict(obj.get("variables", {})), - objective=dict(obj.get("objective", {})), - constraints=dict(obj.get("constraints", {})), - version=obj.get("version"), - ) + def contract_version(self, contract_name: str) -> str: + return self._registry.get(contract_name, "0.0") - sv = SharedVariables(variables=dict(payload.get("Morphisms", {}).get("SharedVariables", {}))) - dv = DualVariables(values=dict(payload.get("Morphisms", {}).get("DualVariables", {}))) - return lp, sv, dv + # --- Translation helpers (minimal stubs) --- + def to_catopt_object(self, lp: LocalProblemDSL) -> Dict[str, Any]: + """Translate a LocalProblem DSL instance to a CatOpt Object. + + The output is a simple dictionary suitable for JSON-like transport. + """ + return { + "type": "LocalProblemObject", + "version": self.contract_version("LocalProblem"), + "payload": { + "agent_id": lp.agent_id, + "variables": lp.variables, + "objective": lp.objective, + "constraints": lp.constraints, + }, + } + + def from_catopt_object(self, payload: Dict[str, Any]) -> LocalProblemDSL: + """Reverse-translate a CatOpt Object payload back into a LocalProblemDSL. + + This is intentionally permissive for MVP testing; adapters can extend as needed. + """ + p = payload.get("payload", {}) + return LocalProblemDSL( + agent_id=str(p.get("agent_id", "unknown")), + objective=p.get("objective", ""), + variables=p.get("variables", []), + constraints=p.get("constraints", []), + ) + + def to_plan_delta(self, delta: PlanDeltaDSL) -> Dict[str, Any]: + """Serialize a PlanDelta to a canonical CatOpt-like signal.""" + return { + "type": "PlanDelta", + "version": self.contract_version("PlanDelta"), + "payload": delta.dict(), + } + + def __repr__(self) -> str: + return f"" diff --git a/src/cosmosmesh_privacy_preserving_federated/contract_registry.py b/src/cosmosmesh_privacy_preserving_federated/contract_registry.py new file mode 100644 index 0000000..841aeb7 --- /dev/null +++ b/src/cosmosmesh_privacy_preserving_federated/contract_registry.py @@ -0,0 +1,42 @@ +"""Simple in-memory contract registry for MVP. + +This module exposes a tiny registry mapping contract names to versions and a +minimal schema description. It is designed as a scaffold to be extended by real +contract schemas in later MVP iterations. +""" +from __future__ import annotations + +from typing import Dict, Any + + +class ContractRegistry: + def __init__(self) -> None: + self._contracts: Dict[str, Dict[str, Any]] = { + "LocalProblem": { + "version": "0.1", + "schema": { + "agent_id": "str", + "variables": ["str"], + "objective": "str", + "constraints": ["str"], + }, + }, + "SharedVariables": { + "version": "0.1", + "schema": {"signals": {"type": "float dict"}}, + }, + "DualVariables": { + "version": "0.1", + "schema": {"lambdas": {"type": "float dict"}}, + }, + "PlanDelta": { + "version": "0.1", + "schema": {"delta_id": "str", "changes": "dict", "timestamp": "str"}, + }, + } + + def get_contract(self, name: str) -> Dict[str, Any] | None: + return self._contracts.get(name) + + def list_contracts(self) -> Dict[str, Dict[str, Any]]: + return dict(self._contracts) diff --git a/src/cosmosmesh_privacy_preserving_federated/dsl_sketch.py b/src/cosmosmesh_privacy_preserving_federated/dsl_sketch.py new file mode 100644 index 0000000..a1280f2 --- /dev/null +++ b/src/cosmosmesh_privacy_preserving_federated/dsl_sketch.py @@ -0,0 +1,49 @@ +"""DSL sketch for CosmosMesh MVP primitives. + +The goal here is to provide lightweight dataclass-like shells that describe the +contract between agents in a way that's friendly to MVP wiring and testing. These +types are intentionally simple and purely for internal prototyping. +""" +from __future__ import annotations + +from dataclasses import dataclass, asdict +from typing import Any, Dict, List, Optional + + +@dataclass +class LocalProblemDSL: + agent_id: str + objective: str + variables: List[str] + constraints: List[str] + + def dict(self) -> Dict[str, Any]: + return asdict(self) + + +@dataclass +class SharedVariablesDSL: + signals: Dict[str, float] + version: str = "0.1" + + def dict(self) -> Dict[str, Any]: + return asdict(self) + + +@dataclass +class DualVariablesDSL: + lambdas: Dict[str, float] + version: str = "0.1" + + def dict(self) -> Dict[str, Any]: + return asdict(self) + + +@dataclass +class PlanDeltaDSL: + delta_id: str + changes: Dict[str, Any] + timestamp: Optional[str] = None + + def dict(self) -> Dict[str, Any]: + return asdict(self)