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c5182627ba
Slice 3b+3d (ADR-0019/0020). Property gains a planning_restrictions attribute (default unrestricted); the ModellingOrchestrator threads it from the Property through _plan_for -> _scored_candidate_groups -> _candidate_recommendations into recommend_solid_wall, replacing the unrestricted default. run_modelling exposes a planning_restrictions param so the offline harness can inspect restricted properties. Integration test: a listed solid-brick dwelling that gets IWI when unrestricted now yields no wall insulation. 145 tests pass. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
80 lines
3.1 KiB
Python
80 lines
3.1 KiB
Python
from __future__ import annotations
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from dataclasses import dataclass
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from typing import Literal, Optional
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from datatypes.epc.domain.epc_property_data import EpcPropertyData
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from domain.geospatial.planning_restrictions import PlanningRestrictions
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from domain.property.site_notes import SiteNotes
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SourcePath = Literal["site_notes", "epc_with_overlay"]
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@dataclass(frozen=True)
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class PropertyIdentity:
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"""Identifies a single Property within a portfolio.
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Keyed by `(portfolio_id, uprn)` or `(portfolio_id, landlord_property_id)` —
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a UPRN is permanent but each portfolio gets its own Property against it
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(CONTEXT.md: UPRN).
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"""
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portfolio_id: int
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postcode: str
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address: str
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uprn: Optional[int] = None
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landlord_property_id: Optional[str] = None
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@dataclass
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class Property:
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"""The Ara modelling aggregate root for a single dwelling (ADR-0002).
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Holds identity plus the source data the pipeline reasons about. Enrichments
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(geospatial, solar) and modelling outputs (baseline performance, plans) are
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added by later slices — this is the minimal-and-growing shape for First Run.
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"""
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identity: PropertyIdentity
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epc: Optional[EpcPropertyData] = None
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site_notes: Optional[SiteNotes] = None
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# The current open-market value (a Property Valuation) — externally sourced
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# and mostly absent; feeds the Plan's Valuation Uplift £ forms (ADR-0018).
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current_market_value: Optional[float] = None
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# Planning protections resolved from the geospatial layer (ADR-0020); gate
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# wall insulation (ADR-0019). Defaults to unrestricted when unknown.
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planning_restrictions: PlanningRestrictions = PlanningRestrictions()
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@property
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def source_path(self) -> SourcePath:
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"""Which of the two disjoint source paths models this Property (ADR-0001).
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Site Notes alone, or the public EPC (with Landlord Overrides, once that
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slice lands). When both exist the newer wins (Recency Tie-Break); on an
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equal date the survey wins, as it reflects on-site observation.
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"""
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if self.site_notes is not None and self.epc is not None:
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epc_date = self.epc.registration_date or self.epc.inspection_date
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if self.site_notes.surveyed_at >= epc_date:
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return "site_notes"
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return "epc_with_overlay"
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if self.site_notes is not None:
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return "site_notes"
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if self.epc is not None:
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return "epc_with_overlay"
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raise ValueError(
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"Property has neither Site Notes nor an EPC; no source path to model from"
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)
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@property
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def effective_epc(self) -> EpcPropertyData:
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"""The EpcPropertyData the modelling pipeline scores against.
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Path 1: the Site Notes' surveyed data. Path 2: the public EPC (Landlord
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Overrides overlay is a later slice — returned as-is for now).
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"""
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if self.source_path == "site_notes":
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assert self.site_notes is not None
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return self.site_notes.to_epc_property_data()
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assert self.epc is not None
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return self.epc
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