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Contains projects associated to the development of modeling products
9f0d23adc6
Closes the 5 community-heating variants in the heating-systems corpus
(community heating 1/2/3/4/6 on property 001431). Pre-slice the
mapper returned `MainHeatingDetail.main_fuel_type=''` for every
community-heating cert because §14.0 lodges no Fuel Type — only EES
'COM' + a Table 4a heat-network SAP code (301/302/304). The cascade
strict-raised `MissingMainFuelType` per S0380.132. The actual fuel
that bills the cascade lives in the §14.1 Community Heating/Heat
Network block, which the extractor was skipping entirely.
SAP 10.2 Table 12 (PDF p.189) defines the heat-network fuel codes:
Boilers + Mains Gas → 51 (heat from boilers — mains gas)
Boilers + Mineral oil → 53 (heat from boilers — oil)
Boilers + Coal → 54 (heat from boilers — coal)
Boilers + Biomass → 43 (heat from boilers — biomass)
Combined Heat and Power → 48 (heat from CHP; fuel-agnostic)
Heat pump + Electricity → 41 (heat from electric heat pump)
Per spec text the upstream fuel determines the boiler-side code; CHP
is fuel-agnostic at the Table 12 cost / CO2 / PE level.
Three layers wired:
1. Survey schema — new `CommunityHeating` dataclass alongside
`MainHeating2` carrying the §14.1 fields (heating_type,
community_heat_source, community_fuel_type, heating_controls_ees,
heating_controls_sap, chp_fuel_factor). Mutually exclusive with
`main_heating_2` at the §14.1 level. Attached as
`MainHeating.community_heating: Optional[CommunityHeating] = None`.
2. Extractor — new `_extract_community_heating()` method bracketed by
"14.1 Community Heating/Heat Network" / "14.2 Meters". Returns
None on individually-heated dwellings (no Community Heat Source
lodged). Wired into `_extract_main_heating()`.
3. Mapper — new `_resolve_community_heating_fuel_code(heat_source,
fuel)` dispatch helper + `_ELMHURST_COMMUNITY_BOILER_FUEL_TO_TABLE_12`
constant for the boiler upstream-fuel split. Wired in
`_map_elmhurst_sap_heating` after the EES-code-to-fuel dispatch
and before the strict-raise on absent SAP code.
Per the standard slice workflow + [[feedback-aaa-test-convention]]:
- 5 new AAA tests in `test_community_heating_mapper_resolves_table_12_
fuel_code` parametrized over the 5 corpus variants, asserting the
mapper resolves the expected Table 12 code per variant.
- The existing parametrized residual-pin test in
`test_heating_systems_corpus_residual_matches_pin` picks up the
5 community-heating variants with cascade-side residuals pinned as
forcing functions for follow-up slices:
variant dSAP dcost dCO2 dPE
CH1 (Boilers/Gas) +0.59 -£14 -787 -3827
CH2 (CHP/Gas) +4.50 -£104 -1430 +1506
CH3 (HP/Elec) +0.59 -£14 +1614 +11879
CH4 (CHP/Oil) +4.50 -£104 -4397 +495
CH6 (CHP/Coal) -3.52 +£81 -2935 +7865
These reflect open cascade-side work (SAP 10.2 Appendix C CHP/
boiler heat-fraction split missing — cascade treats CHP+Boilers as
100% CHP; community-HP COP cascade missing — cascade doesn't divide
delivered heat by COP for Table 12 code 41; heat-network overall
CO2/PE blended-factor cascade missing — cascade doesn't compute
worksheet rows (386)/(486)). Pinned per [[feedback-zero-error-strict]];
follow-up slices close gaps and re-pin smaller residuals.
- `_BLOCKED_BY_MISSING_MAIN_FUEL_TYPE` tuple now empty; the
blocked-tier test pytest-skipped via `pytest.mark.skipif` with a
reason naming this slice.
Test baseline at HEAD: 921 pass + 1 skipped (was 916 + 0 at
predecessor
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| .idea | ||
| .vscode | ||
| applications | ||
| asset_list | ||
| backend | ||
| backlog | ||
| datatypes | ||
| deployment/terraform | ||
| docs | ||
| domain | ||
| epr_data_exports | ||
| etl | ||
| infrastructure | ||
| model_data/requirements | ||
| orchestration | ||
| recommendations | ||
| repositories | ||
| scripts | ||
| sfr/principal_pitch | ||
| survey_report | ||
| tests | ||
| utilities | ||
| utils | ||
| .coveragerc | ||
| .dockerignore | ||
| .gitignore | ||
| __init__.py | ||
| ara_backend_design.md | ||
| BaseUtility.py | ||
| CLAUDE.md | ||
| conftest.py | ||
| CONTEXT.md | ||
| devcontainer.sh | ||
| Dockerfile.test | ||
| Dockerfile.test.dockerignore | ||
| Makefile | ||
| MEMORY.md | ||
| package-lock.json | ||
| package.json | ||
| pyproject.toml | ||
| pyrightconfig.json | ||
| pytest.ini | ||
| README.md | ||
| run_lambda_local.sh | ||
| serverless.yml | ||
| test.requirements.txt | ||
| tox.ini | ||
| UBIQUITOUS_LANGUAGE.md | ||
Model Repository
This repository contains the code pertaining to the development of the data science and machine learning products being utilised by Hestia.
The different folders in this repository relate to services that can be used independently, or can be imported and used as part of a larger application
Getting Started
Prerequisites
Dev Container Setup
This repo uses a Docker Compose-based dev container. The model-backend service joins a shared-dev Docker network so it can communicate with other local services (e.g. a frontend container) running on your machine.
VS Code users: The initializeCommand in devcontainer.json creates the shared-dev network automatically before the container starts. No manual step required — just open the repo and select Reopen in Container.
Non-VS Code / CI workflows: Run the following once before starting the container:
make dev-setup
This is idempotent and safe to re-run if the network already exists.
Folders
backend/
This folder contains the code for the fastapi backend service, which provides an interface to much of the functionality in this repository, for the frontend
model_data/
This folder contains related to the reading and preparation of assessment model data, including pulling out epc attributes
Testing
All tests can be run, against the configuration in pytest.ini running
pytest
This will run the complete panel of tests and report on coverage in the locations specified by the pytest.ini file.
To run tests in a specific service, e.g. inside of model_data, simply run
pytest --cov-config=model_data/.coveragerc --cov=model_data
This will produce the test results and coverage reports