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Merge pull request #1306 from Hestia-Homes/fix/full-sap-16x-cert-mapping
Route full-SAP certs lodged under SAP-Schema-16.x to the full-SAP mapper
This commit is contained in:
Daniel Roth
GitHub
commit
a6752c2654
3 changed files with 593 additions and 2 deletions
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@ -1,4 +1,5 @@
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import copy
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import logging
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import re
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from dataclasses import replace
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from datetime import date
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@ -965,13 +966,32 @@ class EpcPropertyDataMapper:
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@staticmethod
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def _from_sap_schema_16_x(data: Dict[str, Any]) -> EpcPropertyData:
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"""Shared body for the SAP-Schema-16.x dedicated mappers: normalise the
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reduced-field doc onto the RdSAP-17.1 shape and reuse that mapper."""
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reduced-field doc onto the RdSAP-17.1 shape and reuse that mapper.
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Only the reduced-RdSAP shape reaches here. A full-SAP cert mis-lodged
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under a SAP-Schema-16.x label (the `LIG-*` as-designed new-builds) is a
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*broken schema type* — `from_api_response` detects the full-SAP shape and
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routes it to the full-SAP mapper before this label dispatch (see
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`_is_full_sap_assessment`)."""
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from datatypes.epc.schema.rdsap_schema_17_1 import RdSapSchema17_1
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return EpcPropertyDataMapper.from_rdsap_schema_17_1(
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from_dict(RdSapSchema17_1, _normalize_sap_schema_16_x(data))
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)
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@staticmethod
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def _from_full_sap(data: Dict[str, Any]) -> EpcPropertyData:
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"""Map a cert whose *structure* is full-SAP (measured `sap_opening_types`)
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via the full-SAP 17.1 mapper, regardless of its `schema_type` label — the
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door/window/fabric come from the real measured openings, no reduced-field
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defaulting. The only `SapSchema17_1` field the broken-label (16.x) full-SAP
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shape omits is `tenure` (register metadata, no SAP effect), defaulted."""
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normalised = copy.deepcopy(data)
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normalised.setdefault("tenure", "unknown")
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return EpcPropertyDataMapper.from_sap_schema_17_1(
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from_dict(SapSchema17_1, normalised)
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)
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@staticmethod
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def from_rdsap_schema_17_1(schema: RdSapSchema17_1) -> EpcPropertyData:
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es = schema.sap_energy_source
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@ -2635,7 +2655,20 @@ class EpcPropertyDataMapper:
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data = _normalize_shower_outlets(data)
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data = _default_missing_post_town(data)
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schema = data.get("schema_type", "")
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if schema == "RdSAP-Schema-21.0.1":
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# Shape over label. The `schema_type` is a LABEL that can disagree with the
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# cert's STRUCTURE. A cert that is structurally full-SAP (measured
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# `sap_opening_types`) is mapped by the full-SAP mapper whatever its label
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# claims. When the label is NOT a recognised full-SAP schema it is a
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# *broken schema type* — e.g. the LIG as-designed certs mis-lodged under
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# SAP-Schema-16.x — recorded so the unreliable labels stay visible and
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# coverage grows as new shapes surface. Correctly-labelled full-SAP certs
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# fall through to their own dedicated branch below, keeping the
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# one-mapper-per-schema convention.
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if _is_full_sap_assessment(data) and not _is_full_sap_label(schema):
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_record_broken_schema_type(schema, data)
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mapped = EpcPropertyDataMapper._from_full_sap(data)
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elif schema == "RdSAP-Schema-21.0.1":
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from datatypes.epc.schema.rdsap_schema_21_0_1 import RdSapSchema21_0_1
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mapped = EpcPropertyDataMapper.from_rdsap_schema_21_0_1(
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@ -3317,6 +3350,60 @@ def _derive_built_form_16x(dwelling_type: Any) -> int:
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return 4 # flats / unstated form → modal built_form (SAP- and gate-neutral)
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logger = logging.getLogger(__name__)
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# The recognised full-SAP schema_type labels: a full-SAP *shape* under one of
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# these is correctly labelled, not a broken schema type. Anything else carrying
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# the full-SAP shape is a mislabel (e.g. the LIG as-designed certs lodged as
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# SAP-Schema-16.x).
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_FULL_SAP_SCHEMA_LABELS: frozenset[str] = frozenset(
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{
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"SAP-Schema-17.0",
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"SAP-Schema-17.1",
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"SAP-Schema-18.0.0",
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"SAP-Schema-19.1.0",
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}
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)
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def _is_full_sap_assessment(data: Dict[str, Any]) -> bool:
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"""Whether a cert is a full-SAP assessment (vs reduced RdSAP), keyed on the
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gov-API's own `assessment_type` declaration — the authoritative SAP-vs-RdSAP
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classification, not a structural proxy. A full-SAP assessment lodges fabric
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as measured openings + measured U-values; a reduced RdSAP one carries the
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top-level count fields.
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`assessment_type` separates the entire cert corpus cleanly — every full-SAP
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schema (SAP-Schema-17.x/18.x and the broken `LIG` 16.x) is `"SAP"`, every
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reduced cert (RdSAP-Schema-* and the reduced SAP-Schema-16.x) is `"RdSAP"` —
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and it is independent of the `schema_type` LABEL, which can be broken. The
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structural signals (`data_type`, `sap_opening_types`) agree with it on the
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corpus but are derived shape artifacts; `assessment_type` is the meaning."""
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return data.get("assessment_type") == "SAP"
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def _is_full_sap_label(schema: str) -> bool:
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"""Whether `schema` is a recognised full-SAP `schema_type` — so a full-SAP
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*shape* under it is correctly labelled, not a broken schema type."""
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return schema in _FULL_SAP_SCHEMA_LABELS
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def _record_broken_schema_type(schema: str, data: Dict[str, Any]) -> None:
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"""Surface a *broken schema type*: a cert whose `schema_type` label disagrees
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with its structure — the label is not a full-SAP schema, yet the cert is
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structurally full-SAP. Logged rather than silently rerouted so the unreliable
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labels and their frequency stay visible (mirrors the skipped-cohort-cert
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capture), and coverage can grow as new mislabelled shapes surface. e.g. the
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LIG as-designed certs lodged under SAP-Schema-16.x."""
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logger.warning(
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"broken schema_type %r: structurally full-SAP "
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"(assessment_type=%r) — routing to the full-SAP mapper (uprn=%s)",
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schema,
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data.get("assessment_type"),
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data.get("uprn"),
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)
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def _normalize_sap_schema_16_x(data: Dict[str, Any]) -> Dict[str, Any]:
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"""Rewrite a `SAP-Schema-16.2`/`16.3` API doc onto the `RdSAP-Schema-17.1`
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shape so it can reuse the tested `from_rdsap_schema_17_1` mapper.
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@ -11,6 +11,7 @@ exercise the shape variation the design decisions hinge on
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"""
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import json
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import logging
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import os
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from typing import Any, Dict
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@ -682,3 +683,71 @@ class TestFromSapSchema16_2:
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EpcPropertyDataMapper.from_api_response(data)
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assert "window" not in data # the rename landed only on the copy
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assert set(data.keys()) == before_keys
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class TestFullSapSchema16xRouting:
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"""The `SAP-Schema-16.x` name covers two structurally different certs: the
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reduced RdSAP shape (top-level `door_count`/`glazed_area`) AND full SAP (the
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as-designed `LIG-*` new-builds — `assessment_type=SAP`, measured
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`sap_opening_types` + structured `sap_building_parts`, doors lodged as
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openings not a top-level count). Dispatch must route each to its own mapper;
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sending a full-SAP cert through the reduced normaliser failed loud with
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`RdSapSchema17_1: missing required field 'door_count'`."""
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def test_full_sap_16_x_cert_maps_via_full_sap_path(self) -> None:
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# Arrange — a real full-SAP cert lodged under SAP-Schema-16.0 (cert
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# 0293-3880-6151-9872-8795, lodged 83) that previously raised the
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# missing-door_count ValueError in the reduced normaliser.
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data = load("sap_16_0_full.json")
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# Act
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epc = EpcPropertyDataMapper.from_api_response(data)
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# Assert — mapped from the real measured openings, not reduced-field
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# defaults: the single lodged door opening (0.9 x 2.1 m) → door_count 1.
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assert isinstance(epc, EpcPropertyData)
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assert epc.door_count == 1
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assert epc.dwelling_type == "Detached house"
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def test_reduced_16_x_cert_unaffected_by_full_sap_routing(self) -> None:
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# Arrange — a reduced 16.2 cert (assessment_type RdSAP) must stay on the
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# RdSAP path, keeping its top-level property_type.
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data = load("sap_16_2.json")
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# Act
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epc = EpcPropertyDataMapper.from_api_response(data)
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# Assert
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assert epc.property_type is not None
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def test_broken_schema_type_is_recorded(
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self, caplog: pytest.LogCaptureFixture
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) -> None:
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# Arrange — a full-SAP cert mislabelled as SAP-Schema-16.0: the label
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# disagrees with the assessment_type, so the mismatch must be surfaced
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# (not silently rerouted).
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data = load("sap_16_0_full.json")
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# Act
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with caplog.at_level(logging.WARNING, logger="datatypes.epc.domain.mapper"):
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EpcPropertyDataMapper.from_api_response(data)
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# Assert
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assert any(
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"broken schema_type" in r.message and "SAP-Schema-16.0" in r.message
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for r in caplog.records
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)
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def test_correctly_labelled_full_sap_is_not_recorded_as_broken(
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self, caplog: pytest.LogCaptureFixture
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) -> None:
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# Arrange — a correctly-labelled full-SAP cert: assessment_type SAP AND a
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# recognised full-SAP label, so no mismatch to record.
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data = load("sap_17_1.json")
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# Act
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with caplog.at_level(logging.WARNING, logger="datatypes.epc.domain.mapper"):
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EpcPropertyDataMapper.from_api_response(data)
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# Assert
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assert not any("broken schema_type" in r.message for r in caplog.records)
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435
datatypes/epc/schema/tests/fixtures/sap_16_0_full.json
vendored
Normal file
435
datatypes/epc/schema/tests/fixtures/sap_16_0_full.json
vendored
Normal file
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@ -0,0 +1,435 @@
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{
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"uprn": 10008075674,
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"roofs": [
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{
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"description": "Average thermal transmittance 0.11 W/m\u00b2K",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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}
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],
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"walls": [
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{
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"description": "Average thermal transmittance 0.21 W/m\u00b2K",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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}
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],
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"floors": [
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{
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"description": "Average thermal transmittance 0.12 W/m\u00b2K",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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}
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],
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"status": "entered",
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"windows": {
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"description": "High performance glazing",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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},
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"lighting": {
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"description": "Low energy lighting in all fixed outlets",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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},
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"postcode": "PE2 9HD",
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"data_type": 2,
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"hot_water": {
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"description": "From main system, plus solar",
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"energy_efficiency_rating": 5,
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"environmental_efficiency_rating": 5
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},
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"post_town": "PETERBOROUGH",
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"built_form": 1,
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"created_at": "2012-05-30 13:30:25.000000",
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"living_area": 18.011,
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"orientation": 7,
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"region_code": 2,
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"report_type": 3,
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"sap_heating": {
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"thermal_store": 1,
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"has_solar_panel": "true",
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"water_fuel_type": 1,
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"solar_store_volume": 100,
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"water_heating_code": 901,
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"hot_water_store_size": 210,
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"main_heating_details": [
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{
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"burner_control": 3,
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"main_fuel_type": 1,
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"efficiency_type": 3,
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"heat_emitter_type": 1,
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"main_heating_code": 102,
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"is_flue_fan_present": "false",
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"main_heating_number": 1,
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"is_condensing_boiler": "true",
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"main_heating_control": 2110,
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"is_interlocked_system": "true",
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"main_heating_category": 2,
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"main_heating_fraction": 1,
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"gas_or_oil_boiler_type": 1,
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"main_heating_flue_type": 2,
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"main_heating_efficiency": 89,
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"main_heating_data_source": 2,
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"has_delayed_start_thermostat": "false",
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"load_or_weather_compensation": 0,
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"is_central_heating_pump_in_heated_space": "true"
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}
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],
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"has_hot_water_cylinder": "true",
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"has_solar_powered_pump": "false",
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"has_cylinder_thermostat": "true",
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"solar_panel_aperture_area": 4.51,
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"has_fixed_air_conditioning": "false",
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"secondary_heating_category": 1,
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"solar_panel_collector_type": 2,
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"is_cylinder_in_heated_space": "true",
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"solar_panel_collector_pitch": 2,
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"is_hot_water_separately_timed": "true",
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"is_primary_pipework_insulated": "true",
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"hot_water_store_insulation_type": 1,
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"hot_water_store_heat_loss_source": 3,
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"is_solar_store_combined_cylinder": "true",
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"solar_panel_collector_data_source": 2,
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"solar_panel_collector_orientation": 5,
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"solar_panel_collector_overshading": 1,
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"hot_water_store_insulation_thickness": 85,
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"solar_panel_collector_heat_loss_rate": 3.681,
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"solar_panel_collector_zero_loss_efficiency": 77
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},
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"sap_version": 9.9,
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"schema_type": "SAP-Schema-16.0",
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"uprn_source": "Energy Assessor",
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"country_code": "EAW",
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"main_heating": [
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{
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"description": "Boiler and radiators, mains gas",
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"energy_efficiency_rating": 4,
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"environmental_efficiency_rating": 4
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}
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],
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"air_tightness": {
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"description": "Air permeability 4.9 m\u00b3/h.m\u00b2 (as tested)",
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"energy_efficiency_rating": 4,
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"environmental_efficiency_rating": 4
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},
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"dwelling_type": "Detached house",
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"language_code": 1,
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"property_type": 0,
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"address_line_1": "43, New Road",
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"address_line_2": "Woodston",
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"schema_version": "LIG-15.0",
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"assessment_date": "2012-05-30",
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"assessment_type": "SAP",
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"completion_date": "2012-05-30",
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"inspection_date": "2012-05-30",
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"sap_ventilation": {
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"psv_count": 0,
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"pressure_test": 1,
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"air_permeability": 4.88,
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"open_flues_count": 0,
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"ventilation_type": 1,
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"extract_fans_count": 3,
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"open_fireplaces_count": 0,
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"sheltered_sides_count": 2,
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"flueless_gas_fires_count": 0
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},
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"design_water_use": 1,
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"total_floor_area": 76,
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"transaction_type": 6,
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"conservatory_type": 1,
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"registration_date": "2012-05-30",
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"restricted_access": 0,
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"sap_energy_source": {
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"electricity_tariff": 1,
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"wind_turbines_count": 0,
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"wind_turbine_terrain_type": 2,
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"fixed_lighting_outlets_count": 0,
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"low_energy_fixed_lighting_outlets_count": 0,
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"low_energy_fixed_lighting_outlets_percentage": 100
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},
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"sap_opening_types": [
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{
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"name": "Door (1)",
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"type": 1,
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"u_value": 1.8,
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"data_source": 2,
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"description": "Data from Manufacturer",
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"glazing_type": 1
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},
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{
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"name": "Windows (1)",
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"type": 4,
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"u_value": 1.5,
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"data_source": 2,
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"description": "Data from Manufacturer",
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"frame_factor": 0.7,
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"glazing_type": 7,
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"solar_transmittance": 0.63
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}
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],
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"secondary_heating": {
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"description": "None",
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"energy_efficiency_rating": 0,
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"environmental_efficiency_rating": 0
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},
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"lzc_energy_sources": [
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10
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],
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"sap_building_parts": [
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{
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"sap_roofs": [
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{
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"name": "main roof",
|
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"u_value": 0.11,
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"roof_type": 2,
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"kappa_value": 9,
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"total_roof_area": 38.65
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},
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{
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"name": "flat roof",
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"u_value": 0.19,
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"roof_type": 2,
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"kappa_value": 9,
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"total_roof_area": 1.39
|
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}
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],
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"sap_walls": [
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{
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"name": "brick wall",
|
||||
"u_value": 0.21,
|
||||
"wall_type": 2,
|
||||
"kappa_value": 150,
|
||||
"total_wall_area": 115.98,
|
||||
"is_curtain_walling": "false"
|
||||
},
|
||||
{
|
||||
"name": "downstairs",
|
||||
"u_value": 0,
|
||||
"wall_type": 5,
|
||||
"kappa_value": 9,
|
||||
"total_wall_area": 44.7
|
||||
},
|
||||
{
|
||||
"name": "upper",
|
||||
"u_value": 0,
|
||||
"wall_type": 5,
|
||||
"kappa_value": 9,
|
||||
"total_wall_area": 52.99
|
||||
}
|
||||
],
|
||||
"identifier": "Main Dwelling",
|
||||
"overshading": 2,
|
||||
"sap_openings": [
|
||||
{
|
||||
"name": 1,
|
||||
"type": "Door (1)",
|
||||
"width": 0.9,
|
||||
"height": 2.1,
|
||||
"location": "brick wall",
|
||||
"orientation": 7
|
||||
},
|
||||
{
|
||||
"name": 2,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.665,
|
||||
"height": 1.05,
|
||||
"location": "brick wall",
|
||||
"orientation": 1
|
||||
},
|
||||
{
|
||||
"name": 3,
|
||||
"type": "Windows (1)",
|
||||
"width": 2.09,
|
||||
"height": 1.05,
|
||||
"location": "brick wall",
|
||||
"orientation": 7
|
||||
},
|
||||
{
|
||||
"name": 4,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.665,
|
||||
"height": 1.05,
|
||||
"location": "brick wall",
|
||||
"orientation": 5
|
||||
},
|
||||
{
|
||||
"name": 5,
|
||||
"type": "Windows (1)",
|
||||
"width": 2.5,
|
||||
"height": 2.1,
|
||||
"location": "brick wall",
|
||||
"orientation": 3
|
||||
},
|
||||
{
|
||||
"name": 6,
|
||||
"type": "Windows (1)",
|
||||
"width": 1.05,
|
||||
"height": 1.425,
|
||||
"location": "brick wall",
|
||||
"orientation": 7
|
||||
},
|
||||
{
|
||||
"name": 7,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.6,
|
||||
"height": 1.2,
|
||||
"location": "brick wall",
|
||||
"orientation": 1
|
||||
},
|
||||
{
|
||||
"name": 8,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.8,
|
||||
"height": 1.425,
|
||||
"location": "brick wall",
|
||||
"orientation": 3
|
||||
},
|
||||
{
|
||||
"name": 9,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.8,
|
||||
"height": 1.425,
|
||||
"location": "brick wall",
|
||||
"orientation": 3
|
||||
},
|
||||
{
|
||||
"name": 10,
|
||||
"type": "Windows (1)",
|
||||
"width": 0.6,
|
||||
"height": 1.05,
|
||||
"location": "brick wall",
|
||||
"orientation": 5
|
||||
}
|
||||
],
|
||||
"construction_year": 2012,
|
||||
"sap_thermal_bridges": {
|
||||
"thermal_bridges": [
|
||||
{
|
||||
"length": 9.77,
|
||||
"psi_value": 0.3,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 2
|
||||
},
|
||||
{
|
||||
"length": 7.27,
|
||||
"psi_value": 0.04,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 3
|
||||
},
|
||||
{
|
||||
"length": 23.55,
|
||||
"psi_value": 0.05,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 4
|
||||
},
|
||||
{
|
||||
"length": 27.18,
|
||||
"psi_value": 0.16,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 5
|
||||
},
|
||||
{
|
||||
"length": 27.18,
|
||||
"psi_value": 0.07,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 6
|
||||
},
|
||||
{
|
||||
"length": 8.68,
|
||||
"psi_value": 0.06,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 10
|
||||
},
|
||||
{
|
||||
"length": 17.17,
|
||||
"psi_value": 0.24,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 12
|
||||
},
|
||||
{
|
||||
"length": 21.04,
|
||||
"psi_value": 0.09,
|
||||
"psi_value_source": 4,
|
||||
"thermal_bridge_type": 16
|
||||
}
|
||||
],
|
||||
"thermal_bridge_code": 5
|
||||
},
|
||||
"building_part_number": 1,
|
||||
"sap_floor_dimensions": [
|
||||
{
|
||||
"storey": 0,
|
||||
"u_value": 0.12,
|
||||
"floor_type": 2,
|
||||
"storey_height": 2.55,
|
||||
"heat_loss_area": 38.65,
|
||||
"total_floor_area": 38.65,
|
||||
"kappa_value_from_below": 18
|
||||
},
|
||||
{
|
||||
"storey": 1,
|
||||
"u_value": 0,
|
||||
"floor_type": 3,
|
||||
"kappa_value": 18,
|
||||
"storey_height": 2.71,
|
||||
"heat_loss_area": 1.3900032,
|
||||
"total_floor_area": 37.26,
|
||||
"kappa_value_from_below": 18
|
||||
}
|
||||
]
|
||||
}
|
||||
],
|
||||
"bedf_revision_number": 323,
|
||||
"heating_cost_current": 260,
|
||||
"co2_emissions_current": 1.2,
|
||||
"energy_rating_average": 60,
|
||||
"energy_rating_current": 83,
|
||||
"lighting_cost_current": 43,
|
||||
"main_heating_controls": [
|
||||
{
|
||||
"description": "Time and temperature zone control",
|
||||
"energy_efficiency_rating": 5,
|
||||
"environmental_efficiency_rating": 5
|
||||
}
|
||||
],
|
||||
"has_hot_water_cylinder": "true",
|
||||
"heating_cost_potential": 251,
|
||||
"hot_water_cost_current": 37,
|
||||
"suggested_improvements": [
|
||||
{
|
||||
"sequence": 1,
|
||||
"typical_saving": 219,
|
||||
"indicative_cost": "\u00a311,000 - \u00a320,000",
|
||||
"improvement_type": "U",
|
||||
"improvement_details": {
|
||||
"improvement_number": 34
|
||||
},
|
||||
"improvement_category": 3,
|
||||
"energy_performance_rating": 94,
|
||||
"environmental_impact_rating": 97
|
||||
}
|
||||
],
|
||||
"co2_emissions_potential": 1.2,
|
||||
"energy_rating_potential": 83,
|
||||
"lighting_cost_potential": 43,
|
||||
"hot_water_cost_potential": 47,
|
||||
"is_in_smoke_control_area": "unknown",
|
||||
"renewable_heat_incentive": {
|
||||
"rhi_new_dwelling": {
|
||||
"space_heating": 3010,
|
||||
"water_heating": 2175
|
||||
}
|
||||
},
|
||||
"seller_commission_report": "Y",
|
||||
"energy_consumption_current": 84,
|
||||
"has_fixed_air_conditioning": "false",
|
||||
"calculation_software_version": "Version: 1.4.0.80",
|
||||
"energy_consumption_potential": 84,
|
||||
"environmental_impact_current": 87,
|
||||
"current_energy_efficiency_band": "B",
|
||||
"environmental_impact_potential": 87,
|
||||
"has_heated_separate_conservatory": "false",
|
||||
"potential_energy_efficiency_band": "B",
|
||||
"co2_emissions_current_per_floor_area": 16
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue