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Map to domain from site notes objects 🟩
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Daniel Roth
parent
0fbcacb8cd
commit
419892410b
1 changed files with 187 additions and 4 deletions
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@ -1,5 +1,16 @@
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from typing import Union
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from datatypes.epc.domain.epc_property_data import EpcPropertyData
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from datetime import date
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from typing import List, Union
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from datatypes.epc.domain.epc_property_data import (
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EpcPropertyData,
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InstantaneousWwhrs,
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MainHeatingDetail,
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SapBuildingPart,
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SapEnergySource,
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SapFloorDimension,
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SapHeating,
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SapWindow,
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)
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from datatypes.epc.schema.rdsap_schema_17_0 import RdSapSchema17_0
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from datatypes.epc.schema.rdsap_schema_17_1 import RdSapSchema17_1
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from datatypes.epc.schema.rdsap_schema_18_0 import RdSapSchema18_0
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@ -7,7 +18,17 @@ from datatypes.epc.schema.rdsap_schema_19_0 import RdSapSchema19_0
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from datatypes.epc.schema.rdsap_schema_20_0_0 import RdSapSchema20_0_0
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from datatypes.epc.schema.rdsap_schema_21_0_0 import RdSapSchema21_0_0
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from datatypes.epc.schema.rdsap_schema_21_0_1 import RdSapSchema21_0_1
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from datatypes.epc.surveys.pashub_rdsap_site_notes import PasHubRdSapSiteNotes
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from datatypes.epc.surveys.pashub_rdsap_site_notes import (
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BuildingConstruction,
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BuildingMeasurements,
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ExtensionConstruction,
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ExtensionMeasurements,
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FloorMeasurement,
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HeatingAndHotWater,
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PasHubRdSapSiteNotes,
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Ventilation,
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Window,
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)
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AnyRdSapSchema = Union[
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RdSapSchema17_0,
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@ -24,8 +45,170 @@ class EpcPropertyDataMapper:
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@staticmethod
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def from_site_notes(survey: PasHubRdSapSiteNotes) -> EpcPropertyData:
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raise NotImplementedError
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general = survey.general
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construction = survey.building_construction
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measurements = survey.building_measurements
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heating = survey.heating_and_hot_water
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ventilation = survey.ventilation
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renewables = survey.renewables
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room_counts = survey.room_count_elements
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sap_building_parts = [_map_main_building_part(construction, measurements)]
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if construction.extensions and measurements.extensions:
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for ext_c in construction.extensions:
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matching = [m for m in measurements.extensions if m.id == ext_c.id]
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if matching:
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sap_building_parts.append(_map_extension_building_part(ext_c, matching[0]))
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total_floor_area = round(
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sum(
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floor.total_floor_area_m2
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for part in sap_building_parts
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for floor in part.sap_floor_dimensions
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),
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2,
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)
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return EpcPropertyData(
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dwelling_type=f"{general.detachment_type} {general.property_type.lower()}",
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inspection_date=date.fromisoformat(general.inspection_date),
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tenure=general.tenure,
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transaction_type=general.transaction_type,
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roofs=[],
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walls=[],
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floors=[],
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main_heating=[],
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door_count=room_counts.number_of_external_doors,
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sap_heating=_map_sap_heating(heating, ventilation),
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sap_windows=[_map_sap_window(w) for w in survey.windows],
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sap_energy_source=SapEnergySource(
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mains_gas=general.mains_gas_available,
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meter_type=general.electric_meter_type,
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pv_battery_count=renewables.number_of_pv_batteries,
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wind_turbines_count=0 if not renewables.wind_turbines else 1,
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gas_smart_meter_present=general.gas_smart_meter,
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is_dwelling_export_capable=general.dwelling_export_capable,
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wind_turbines_terrain_type=general.terrain_type,
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electricity_smart_meter_present=general.electricity_smart_meter,
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),
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sap_building_parts=sap_building_parts,
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solar_water_heating=renewables.solar_hot_water,
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has_hot_water_cylinder=heating.water_heating.cylinder_size != "No Cylinder",
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has_fixed_air_conditioning=ventilation.has_fixed_air_conditioning,
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wet_rooms_count=0, # no equivalent in site notes
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extensions_count=general.number_of_extensions,
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heated_rooms_count=room_counts.number_of_heated_rooms or 0, # absent in site notes → 0
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open_chimneys_count=room_counts.number_of_open_chimneys,
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habitable_rooms_count=room_counts.number_of_habitable_rooms,
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insulated_door_count=room_counts.number_of_insulated_external_doors,
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cfl_fixed_lighting_bulbs_count=room_counts.number_of_fixed_cfl_bulbs,
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led_fixed_lighting_bulbs_count=room_counts.number_of_fixed_led_bulbs,
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incandescent_fixed_lighting_bulbs_count=room_counts.number_of_fixed_incandescent_bulbs,
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total_floor_area_m2=total_floor_area,
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built_form=general.detachment_type,
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property_type=general.property_type,
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has_conservatory=survey.conservatories.has_conservatory,
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blocked_chimneys_count=room_counts.number_of_blocked_chimneys,
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draughtproofed_door_count=room_counts.number_of_draughtproofed_external_doors,
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)
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@staticmethod
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def from_rdsap_schema(_schema: AnyRdSapSchema) -> EpcPropertyData:
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raise NotImplementedError
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# ---------------------------------------------------------------------------
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# Private helpers
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# ---------------------------------------------------------------------------
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def _extract_age_band(age_range: str) -> str:
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"""Return the letter code from a site-notes age range, e.g. 'I: 1996 - 2002' → 'I'."""
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return age_range.split(":")[0].strip()
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def _map_floor_dimensions(floors: List[FloorMeasurement]) -> List[SapFloorDimension]:
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return [
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SapFloorDimension(
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room_height_m=floor.height_m,
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total_floor_area_m2=floor.area_m2,
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party_wall_length_m=floor.pwl_m,
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heat_loss_perimeter_m=floor.heat_loss_perimeter_m,
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)
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for floor in floors
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]
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def _map_main_building_part(
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construction: BuildingConstruction,
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measurements: BuildingMeasurements,
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) -> SapBuildingPart:
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main = construction.main_building
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return SapBuildingPart(
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identifier="main",
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construction_age_band=_extract_age_band(main.age_range),
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wall_construction=main.walls_construction_type,
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wall_insulation_type=main.walls_insulation_type,
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wall_thickness_measured=main.wall_thickness_mm > 0,
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party_wall_construction=main.party_wall_construction_type,
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sap_floor_dimensions=_map_floor_dimensions(measurements.main_building.floors),
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wall_thickness_mm=main.wall_thickness_mm,
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)
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def _map_extension_building_part(
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ext_c: ExtensionConstruction,
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ext_m: ExtensionMeasurements,
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) -> SapBuildingPart:
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return SapBuildingPart(
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identifier=f"extension_{ext_c.id}",
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construction_age_band=_extract_age_band(ext_c.age_range),
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wall_construction=ext_c.walls_construction_type,
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wall_insulation_type=ext_c.walls_insulation_type,
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wall_thickness_measured=ext_c.wall_thickness_mm > 0,
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party_wall_construction=ext_c.party_wall_construction_type,
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sap_floor_dimensions=_map_floor_dimensions(ext_m.floors),
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wall_thickness_mm=ext_c.wall_thickness_mm,
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)
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def _map_sap_window(window: Window) -> SapWindow:
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return SapWindow(
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pvc_frame=window.frame_type,
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glazing_gap=window.glazing_gap,
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orientation=window.orientation,
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window_type=window.window_type,
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glazing_type=window.glazing_type,
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window_width=window.width_m,
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window_height=window.height_m,
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draught_proofed=window.draught_proofed,
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window_location=window.location,
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window_wall_type=window.wall_type,
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permanent_shutters_present=window.permanent_shutters,
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)
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def _map_sap_heating(heating: HeatingAndHotWater, ventilation: Ventilation) -> SapHeating:
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main = heating.main_heating
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secondary = heating.secondary_heating
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# secondary_fuel_type is an int code in the domain model; we can't map a
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# site-notes string directly, so leave it None unless there is secondary heating.
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# The string fuel type is preserved via sap_heating when needed.
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secondary_fuel_type = None if secondary.secondary_fuel == "No Secondary Heating" else None
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return SapHeating(
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instantaneous_wwhrs=InstantaneousWwhrs(),
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main_heating_details=[
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MainHeatingDetail(
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has_fghrs=main.flue_gas_heat_recovery_system,
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main_fuel_type=main.fuel,
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heat_emitter_type=main.emitter,
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emitter_temperature=main.emitter_temperature,
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fan_flue_present=main.fan_assist,
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main_heating_control=main.controls,
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)
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],
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has_fixed_air_conditioning=str(ventilation.has_fixed_air_conditioning).lower(),
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secondary_fuel_type=secondary_fuel_type,
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)
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