from datetime import datetime from dataclasses import dataclass from etl.epc.ValidationConfiguration import ( EPCRecordValidationConfiguration, EPCDifferenceRecordValidationConfiguration, EPCDifferenceRecordFixedDataValidationConfiguration, ) from etl.epc.DataProcessor import EPCDataProcessor from recommendations.rdsap_tables import england_wales_age_band_lookup, FLOOR_LEVEL_MAP from etl.epc.settings import DATA_ANOMALY_MATCHES import re import os import numpy as np import pandas as pd from typing import Any, Union, List from etl.epc.settings import ( RDSAP_RESPONSE, HEAT_DEMAND_RESPONSE, CARBON_RESPONSE, COMPONENT_FEATURES, EFFICIENCY_FEATURES, ROOM_FEATURES, POST_SAP10_FEATURE, ) from recommendations.recommendation_utils import estimate_number_of_floors from utils.s3 import read_dataframe_from_s3_parquet from etl.epc.settings import EARLIEST_EPC_DATE # TODO: Change these in the settings file RDSAP_RESPONSE = RDSAP_RESPONSE.lower() HEAT_DEMAND_RESPONSE = HEAT_DEMAND_RESPONSE.lower() CARBON_RESPONSE = CARBON_RESPONSE.lower() COMPONENT_FEATURES = [x.lower() for x in COMPONENT_FEATURES] EFFICIENCY_FEATURES = [x.lower() for x in EFFICIENCY_FEATURES] ENVIRONMENT = os.environ.get("ENVIRONMENT", "dev") DATA_BUCKET = os.environ.get( "DATA_BUCKET", "retrofit-data-dev" if ENVIRONMENT == "dev" else None ) pd.set_option("future.no_silent_downcasting", True) @dataclass class EPCRecord: """ Base class for a EPC record """ uprn: int = None walls_description: str = None floor_description: str = None lighting_description: str = None roof_description: str = None mainheat_description: str = None hotwater_description: str = None main_fuel: str = None mechanical_ventilation: str = None secondheat_description: str = None windows_description: str = None glazed_type: str = None multi_glaze_proportion: float = None low_energy_lighting: float = None number_open_fireplaces: float = None mainheatcont_description: str = None solar_water_heating_flag: str = None photo_supply: float = None transaction_type: str = None energy_tariff: str = None extension_count: float = None total_floor_area: float = None floor_height: float = None hot_water_energy_eff: str = None floor_energy_eff: str = None windows_energy_eff: str = None walls_energy_eff: str = None sheating_energy_eff: str = None roof_energy_eff: str = None mainheat_energy_eff: str = None mainheatc_energy_eff: str = None lighting_energy_eff: str = None lighting_cost_current: float = None heating_cost_current: float = None hot_water_cost_current: float = None potential_energy_efficiency: float = None environment_impact_potential: float = None energy_consumption_potential: float = None co2_emissions_potential: float = None lodgement_date: str = None current_energy_efficiency: int = None energy_consumption_current: int = None co2_emissions_current: float = None number_habitable_rooms: float = None number_heated_rooms: float = None is_post_sap10: bool = None # u_values_walls = None # u_values_roof = None # u_values_floor = None run_mode: str = "training" # TODO: Make this a class so thet api_records is structured epc_records: dict = None full_sap_epc: dict = None old_data: list[dict] = None original_epc: dict = None prepared_epc: dict = None prepared_epc_delta_metadata: pd.DataFrame = None cleaning_data: pd.DataFrame = None # Not used in training mod but used in newdata mode age_band: str = None construction_age_band: str = None year_built: int = None number_of_floors: int = None number_of_open_fireplaces: int = None heat_loss_corridor_bool: bool = None solar_water_heating_flag_bool: bool = None def __post_init__(self): # We can have validation and cleaning steps for each of the fields # self.WALLS_DESCRIPTION = 'check' # Could also have cleaning of records if needed if self.run_mode == "training": self.validation_configuration = EPCRecordValidationConfiguration # self._field_validation() return # We are running in newdata mode if self.epc_records is None: raise ValueError("Must provide epc records if running in newdata mode") self.prepared_epc = self.epc_records["original_epc"] self.original_epc = self.epc_records["original_epc"].copy() self.full_sap_epc = self.epc_records["full_sap_epc"] self.old_data = self.epc_records["old_data"] if self.cleaning_data is None: raise ValueError("Must provide cleaning data if running in newdata mode") self._clean_records_using_epc_records() self._clean_with_data_processor() self._expand_prepared_epc_to_attributes() self._identify_delta_between_prepared_and_original_records() # Process to create uvalues for the single epc record # self.df = self.epc_record_as_dataframe('prepared_epc') # self._feature_generation() # self._drop_features() return # self._expand_description_to_features() # self._expand_description_to_uvalues() # # self._generate_uvalues() # self._validate_expanded_description() # self._validate_u_values() def _drop_features(self): """ Drop features that are not needed for modelling """ self.df = self.df.drop( columns=["lodgement_date_starting", "lodgement_date_ending"] ) def _feature_generation(self): """ Generate features for modelling """ self.df["days_to_lodgement_date"] = self._calculate_days_to( self.prepared_epc["lodgement_date"] ) @staticmethod def _calculate_days_to(lodgement_date): if isinstance(lodgement_date, str): return ( pd.to_datetime(lodgement_date) - pd.to_datetime(EARLIEST_EPC_DATE) ).days return ( pd.to_datetime(lodgement_date) - pd.to_datetime(EARLIEST_EPC_DATE) ).dt.days def _clean_with_data_processor(self): """ This method will clean the records using the data processor """ epc_data_processor = EPCDataProcessor( data=self.epc_record_as_dataframe("prepared_epc").copy(), run_mode="newdata", cleaning_averages=self.cleaning_data, ) epc_data_processor.prepare_data() self.prepared_epc = epc_data_processor.data.to_dict(orient="records")[0] def _expand_prepared_epc_to_attributes(self): """ This method will expand the prepared epc to attributes """ # for key, value in self.prepared_epc.items(): # setattr(self, key, value) self.uprn: int = int(self.prepared_epc["uprn"]) self.walls_description: str = self.prepared_epc["walls_description"] self.floor_description: str = self.prepared_epc["floor_description"] self.lighting_description: str = self.prepared_epc["lighting_description"] self.roof_description: str = self.prepared_epc["roof_description"] self.mainheat_description: str = self.prepared_epc["mainheat_description"] self.hotwater_description: str = self.prepared_epc["hotwater_description"] self.main_fuel: str = self.prepared_epc["main_fuel"] self.mechanical_ventilation: str = self.prepared_epc["mechanical_ventilation"] self.secondheat_description: str = self.prepared_epc["secondheat_description"] self.windows_description: str = self.prepared_epc["windows_description"] self.glazed_type: str = self.prepared_epc["glazed_type"] self.multi_glaze_proportion: float = float( self.prepared_epc["multi_glaze_proportion"] ) self.low_energy_lighting: float = float( self.prepared_epc["low_energy_lighting"] ) self.number_open_fireplaces: float = float( self.prepared_epc["number_open_fireplaces"] ) self.mainheatcont_description: str = self.prepared_epc[ "mainheatcont_description" ] self.solar_water_heating_flag: str = self.prepared_epc[ "solar_water_heating_flag" ] self.photo_supply: float = float(self.prepared_epc["photo_supply"]) self.transaction_type: str = self.prepared_epc["transaction_type"] self.energy_tariff: str = self.prepared_epc["energy_tariff"] self.extension_count: float = float(self.prepared_epc["extension_count"]) self.total_floor_area: float = float(self.prepared_epc["total_floor_area"]) self.floor_height: float = float(self.prepared_epc["floor_height"]) self.hot_water_energy_eff: str = self.prepared_epc["hot_water_energy_eff"] self.floor_energy_eff: str = self.prepared_epc["floor_energy_eff"] self.windows_energy_eff: str = self.prepared_epc["windows_energy_eff"] self.walls_energy_eff: str = self.prepared_epc["walls_energy_eff"] self.sheating_energy_eff: str = self.prepared_epc["sheating_energy_eff"] self.roof_energy_eff: str = self.prepared_epc["roof_energy_eff"] self.mainheat_energy_eff: str = self.prepared_epc["mainheat_energy_eff"] self.mainheatc_energy_eff: str = self.prepared_epc["mainheatc_energy_eff"] self.lighting_energy_eff: str = self.prepared_epc["lighting_energy_eff"] self.lighting_cost_current: float = self.prepared_epc["lighting_cost_current"] self.heating_cost_current: float = self.prepared_epc["heating_cost_current"] self.hot_water_cost_current: float = self.prepared_epc["hot_water_cost_current"] self.potential_energy_efficiency: float = float( self.prepared_epc["potential_energy_efficiency"] ) self.environment_impact_potential: float = float( self.prepared_epc["environment_impact_potential"] ) self.energy_consumption_potential: float = float( self.prepared_epc["energy_consumption_potential"] ) self.co2_emissions_potential: float = float( self.prepared_epc["co2_emissions_potential"] ) self.lodgement_date: str = self.prepared_epc["lodgement_date"] self.current_energy_efficiency: int = int( self.prepared_epc["current_energy_efficiency"] ) self.energy_consumption_current: int = int( self.prepared_epc["energy_consumption_current"] ) self.co2_emissions_current: float = float( self.prepared_epc["co2_emissions_current"] ) self.number_habitable_rooms: float = float( self.prepared_epc["number_habitable_rooms"] ) self.number_heated_rooms: float = float( self.prepared_epc["number_heated_rooms"] ) self.is_post_sap10: bool = bool(self.prepared_epc["is_post_sap10"]) def _identify_delta_between_prepared_and_original_records(self): """ This method will identify the delta between the prepared and original records """ prepared_epc_df = self.epc_record_as_dataframe("prepared_epc") original_epc_df = self.epc_record_as_dataframe("original_epc") df = pd.concat( [prepared_epc_df, original_epc_df], keys=["prepared_epc", "original_epc"], axis=0, ) same_index = df.apply(pd.Series.duplicated).any() self.prepared_epc_delta_metadata = df[same_index[~same_index].index] def _expand_description_to_features(self): pass def _expand_description_to_uvalues(self): # TODO: can be loop over all the descriptions, or done in one pass # def _process_and_prune(self, cleaned_lookup: dict): # """ # This method will merge on the cleaned lookup table and ensure that the building fabric in the # starting and ending EPC is consistent, so ensure that we are performing our modelling on the cleanest # possible dataset. # """ # for component in ["walls", "floor", "roof", "hotwater", "mainheat", "mainheatcont", "windows", "main-fuel"]: # if component == "main-fuel": # component = component.replace("-", "_") # cleaned_key = "main-fuel" if component == "main-fuel" else f"{component}-description" # left_on_starting = ( # f"{component}_starting" if component == "main-fuel" else f"{component}_description_starting" # ) # left_on_ending = ( # f"{component}_ending" if component == "main-fuel" else f"{component}_description_ending" # ) # self.df2 = self.df.merge( # pd.DataFrame(cleaned_lookup[cleaned_key]), # how="left", # left_on=left_on_starting, # right_on="original_description", # ).merge( # pd.DataFrame(cleaned_lookup[cleaned_key]), # how="left", # left_on=left_on_ending, # right_on="original_description", # suffixes=("", "_ending") # ) def _clean_records_using_epc_records(self): """ This method will clean the records """ # TODO: Move all the cleaning steps in the Property class into there self._clean_built_form() self._clean_energy() self._clean_ventilation() self._clean_solar_pv() self._clean_solar_hot_water() self._clean_wind_turbine() self._clean_count_variables() self._clean_heat_loss_corridor() self._clean_mains_gas() self._clean_age_band() self._clean_year_built() self._clean_floor_area() self._clean_property_dimensions() self._clean_number_lighting_outlets() self._clean_floor_level() self._clean_floor_height() self._clean_constituency() self._clean_new_build_descriptions() # self._clean_potential_energy_efficiency() # self._clean_environment_impact_potential() # self._clean_energy_consumption_potential() # self._clean_co2_emissions_potential() # self._clean_current_energy_efficiency() # self._clean_energy_consumption_current() # self._clean_co2_emissions_current() def epc_record_as_dataframe( self, epc_type: str = "prepared_epc", use_upper_columns: bool = True, replace_empty_string: bool = False, ): """ This method will return the dataframe representation of the epc record """ df = pd.DataFrame.from_dict(self.get(epc_type), orient="index").T if use_upper_columns: df.columns = [x.upper().replace("-", "_") for x in df.columns] if replace_empty_string: df = df.replace("", np.nan).infer_objects(copy=False) return df def _clean_floor_height(self): """Remaps anomalies in floor height to the average floor height for the property type""" floor_height_data = self.cleaning_data[ (self.cleaning_data["property_type"] == self.prepared_epc["property-type"]) & (self.cleaning_data["built_form"] == self.prepared_epc["built-form"]) ] average = floor_height_data["floor_height"].mean() sd = floor_height_data["floor_height"].std() # If we're in the top 0.5 percentile of floor heights, we'll set it to the average if self.prepared_epc["floor-height"] > average + 10 * sd: self.prepared_epc["floor-height"] = average if self.prepared_epc["floor-height"] <= 1.665: self.prepared_epc["floor-height"] = average def _clean_new_build_descriptions(self): for col in ["roof-description", "walls-description", "floor-description"]: self.prepared_epc[col] = self.prepared_epc[col].replace("W/m²K", "W/m-¦K") def _clean_constituency(self): """ We handle the single case of finding a missing constituency by using the local authority """ if pd.isnull(self.prepared_epc["constituency"]) or ( self.prepared_epc["constituency"] == "" ): if self.prepared_epc["local-authority"] != "E06000044": raise NotImplementedError( "This function is only implemented for Portsmouth, in the single edgecase seen" ) self.prepared_epc["constituency"] = "E14000883" def _clean_floor_level(self): """ This method will clean the floor level, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") self.prepared_epc["floor-level"] = ( FLOOR_LEVEL_MAP[self.prepared_epc["floor-level"]] if self.prepared_epc["floor-level"] not in DATA_ANOMALY_MATCHES else None ) def _clean_number_lighting_outlets(self): """ This method will clean the number of lighting outlets, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") if self.prepared_epc["fixed-lighting-outlets-count"] in DATA_ANOMALY_MATCHES: # We check old EPCs and the full SAP EPC lighting_data = [] if len(self.old_data): lighting_data.extend( [ int(old_record["fixed-lighting-outlets-count"]) for old_record in self.old_data if old_record["fixed-lighting-outlets-count"] != "" ] ) if len(self.full_sap_epc): if self.full_sap_epc["fixed-lighting-outlets-count"] != "": lighting_data.append( int(self.full_sap_epc["fixed-lighting-outlets-count"]) ) if lighting_data: self.prepared_epc["fixed-lighting-outlets-count"] = round( np.median(lighting_data) ) else: # Use averages from the cleaning dataset, based on the property type, built form, construction age # band and local authority cleaning_data = self.cleaning_data.copy() # When running in new-data more, the columns will have been coerced to lower case so we push them # back to upper case if self.run_mode == "newdata": cleaning_data.columns = [x.upper() for x in cleaning_data.columns] cleaned_property_data = EPCDataProcessor.apply_averages_cleaning( data_to_clean=self.epc_record_as_dataframe( "prepared_epc", replace_empty_string=True ), cleaning_data=cleaning_data, cols_to_merge_on=[ "PROPERTY_TYPE", "BUILT_FORM", "CONSTRUCTION_AGE_BAND", "LOCAL_AUTHORITY", ], ) self.prepared_epc["fixed-lighting-outlets-count"] = round( cleaned_property_data["FIXED_LIGHTING_OUTLETS_COUNT"].values[0] ) else: self.prepared_epc["fixed-lighting-outlets-count"] = float( self.prepared_epc["fixed-lighting-outlets-count"] ) def _filter_property_dimensions(self, property_dimensions): """ Will filter the property dimensions dataframe to only include the relevant rows for the property :param property_dimensions: :return: filtered property dimensions dataframe """ result = property_dimensions[ (property_dimensions["PROPERTY_TYPE"] == self.prepared_epc["property-type"]) ] if self.construction_age_band not in DATA_ANOMALY_MATCHES: result = result[ (result["CONSTRUCTION_AGE_BAND"] == self.construction_age_band) ] if ( self.prepared_epc["built-form"] not in DATA_ANOMALY_MATCHES and self.prepared_epc["built-form"] in result["BUILT_FORM"] ): result = result[(result["BUILT_FORM"] == self.prepared_epc["built-form"])] return result[ [ "NUMBER_HABITABLE_ROOMS", "NUMBER_HEATED_ROOMS", "TOTAL_FLOOR_AREA", "FLOOR_HEIGHT", ] ].mean() def _clean_property_dimensions(self): """ Cleans up the number of floors, number of habitable rooms, and the floor height """ if not self.prepared_epc: raise ValueError("EPC Record doesn not contain epc data") if ( (self.prepared_epc["number-habitable-rooms"] in DATA_ANOMALY_MATCHES) or (self.prepared_epc["floor-height"] in DATA_ANOMALY_MATCHES) or (self.prepared_epc["number-heated-rooms"] in DATA_ANOMALY_MATCHES) ): # TODO - this probably shouldn't live here - but we only need to use this for specific properties # when we meet this condition property_dimensions = read_dataframe_from_s3_parquet( bucket_name=DATA_BUCKET, file_key=f"property_dimensions/{self.prepared_epc['local-authority']}.parquet", ) self.property_dimensions = self._filter_property_dimensions( property_dimensions ) if self.prepared_epc["number-habitable-rooms"] in DATA_ANOMALY_MATCHES: self.prepared_epc["number-habitable-rooms"] = float( self.property_dimensions["NUMBER_HABITABLE_ROOMS"].round() ) else: self.prepared_epc["number-habitable-rooms"] = float( self.prepared_epc["number-habitable-rooms"] ) if self.prepared_epc["number-heated-rooms"] in DATA_ANOMALY_MATCHES: self.prepared_epc["number-heated-rooms"] = float( self.property_dimensions["NUMBER_HEATED_ROOMS"].round() ) else: self.prepared_epc["number-heated-rooms"] = float( self.prepared_epc["number-heated-rooms"] ) self.number_of_floors = estimate_number_of_floors( self.prepared_epc["property-type"] ) # if self.prepared_epc["property-type"] == "House": # self.number_of_floors = 2 # elif self.prepared_epc["property-type"] in ["Flat", "Bungalow"]: # self.number_of_floors = 1 # elif self.prepared_epc["property-type"] == "Maisonette": # self.number_of_floors = 2 # else: # raise NotImplementedError("Implement me") if ( self.prepared_epc["floor-height"] == "" or self.prepared_epc["floor-height"] in DATA_ANOMALY_MATCHES ): self.prepared_epc["floor-height"] = float( self.property_dimensions["FLOOR_HEIGHT"].round(2) ) else: self.prepared_epc["floor-height"] = float(self.prepared_epc["floor-height"]) def _clean_floor_area(self): """ This method will clean the floor area, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") if self.prepared_epc["total-floor-area"] is None: return self.prepared_epc["total-floor-area"] = float( self.prepared_epc["total-floor-area"] ) # We handle the edge case of floor area being 0. We set it to zero and it is cleaned by # _clean_with_data_processor if self.prepared_epc["total-floor-area"] == 0: print( "Edge case of floor area being zero - will set to none and will be cleaned in " "_clean_with_data_processor" ) self.prepared_epc["total-floor-area"] = None def _clean_mains_gas(self): """ This method will clean the mains gas, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") mains_gas_map = {"Y": True, "N": False, True: True, False: False} self.prepared_epc["mains-gas-flag"] = ( None if ( self.prepared_epc["mains-gas-flag"] == "" or self.prepared_epc["mains-gas-flag"] in DATA_ANOMALY_MATCHES ) else mains_gas_map[self.prepared_epc["mains-gas-flag"]] ) def _clean_heat_loss_corridor(self): """ This method will clean the heat loss corridor, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") valid_values = ["no corridor", "unheated corridor", "heated corridor"] boolean_map = { "no corridor": False, "unheated corridor": True, "heated corridor": False, } self.prepared_epc["heat-loss-corridor"] = ( "no corridor" if self.prepared_epc["heat-loss-corridor"] in DATA_ANOMALY_MATCHES else self.prepared_epc["heat-loss-corridor"] ) if self.prepared_epc["heat-loss-corridor"] not in valid_values: self.prepared_epc["heat-loss-corridor"] = "no corridor" self.prepared_epc["unheated-corridor-length"] = ( float(self.prepared_epc["unheated-corridor-length"]) if self.prepared_epc["unheated-corridor-length"] not in ["", None] else None ) # We create boolean versions of heat-loss-corridor self.heat_loss_corridor_bool = boolean_map[ self.prepared_epc["heat-loss-corridor"] ] def _clean_count_variables(self): """ This method will clean the count variables, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") fields = [ "number-open-fireplaces", "extension-count", "flat-storey-count", "number-habitable-rooms", ] null_attributes = ["flat-storey-count", "number-habitable-rooms"] for attribute in fields: value = self.prepared_epc[attribute] if value in DATA_ANOMALY_MATCHES or pd.isnull(value): if attribute in null_attributes: value = None else: value = 0 else: value = int(float(value)) self.prepared_epc[attribute] = value def _clean_wind_turbine(self): """ This method will clean the wind turbine, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") self.prepared_epc["wind-turbine-count"] = ( int(self.prepared_epc["wind-turbine-count"]) if self.prepared_epc["wind-turbine-count"] not in DATA_ANOMALY_MATCHES else None ) def _clean_solar_hot_water(self): """ This method will clean the solar hot water, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") value_map = {"Y": "Y", "N": "N", "": "N", None: "N"} boolean_map = { "Y": True, "N": False, } self.prepared_epc["solar-water-heating-flag"] = value_map[ self.prepared_epc["solar-water-heating-flag"] ] # Create a boolean version for storage in the database self.solar_water_heating_flag_bool = boolean_map[ self.prepared_epc["solar-water-heating-flag"] ] def _clean_solar_pv(self): """ This method will clean the solar pv, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") self.prepared_epc["photo-supply"] = ( float(self.prepared_epc["photo-supply"]) if (self.prepared_epc["photo-supply"] not in DATA_ANOMALY_MATCHES) else None ) def _clean_energy(self): """ This method will clean the energy, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") self.prepared_epc["energy-consumption-current"] = float( self.prepared_epc["energy-consumption-current"] ) self.prepared_epc["co2-emissions-current"] = float( self.prepared_epc["co2-emissions-current"] ) def _clean_built_form(self): """ This method will clean the build form, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") if self.prepared_epc["built-form"] in DATA_ANOMALY_MATCHES: if self.prepared_epc["property-type"] in ["Flat", "Maisonette"]: self.prepared_epc["built-form"] = "End-Terrace" else: self.prepared_epc["built-form"] = "Semi-Detached" def _clean_age_band(self): """ This method will clean the age band, if empty or invalid """ if not self.prepared_epc: raise ValueError("EPC Recrod doesn not contain epc data") self.prepared_epc["construction-age-band"] = ( EPCDataProcessor.clean_construction_age_band( self.prepared_epc["construction-age-band"] ) ) if self.prepared_epc["construction-age-band"] in DATA_ANOMALY_MATCHES: if self.old_data: # Take the most recent old_age_bands = [ old_record["lodgement-datetime"] for old_record in self.old_data if old_record["construction-age-band"] not in DATA_ANOMALY_MATCHES ] if old_age_bands: max_datetime = max(old_age_bands) most_recent = [ old_record for old_record in self.old_data if old_record["lodgement-datetime"] == max_datetime ] self.prepared_epc["construction-age-band"] = ( EPCDataProcessor.clean_construction_age_band( most_recent[0]["construction-age-band"] ) ) self.construction_age_band = self.prepared_epc["construction-age-band"] self.age_band = england_wales_age_band_lookup.get(self.construction_age_band) if (self.prepared_epc["transaction-type"] == "new dwelling") and ( self.age_band is None ): self.age_band = "L" self.construction_age_band = "England and Wales: 2012 onwards" self.prepared_epc["construction-age-band"] = self.construction_age_band if self.age_band is None: self.age_band = "C" self.construction_age_band = "England and Wales: 1930-1949" self.prepared_epc["construction-age-band"] = self.construction_age_band def _clean_year_built(self): """ This method will clean the year built, if empty or invalid """ if self.full_sap_epc: self.year_built = datetime.strptime( self.full_sap_epc["lodgement-date"], "%Y-%m-%d" ).year return if self.construction_age_band not in DATA_ANOMALY_MATCHES: # Take the lower limit. If we're pessimistic about the age of the property, that at least means we have # more options for recommendations if that age falls before the year that insulation in walls became # common practice band = [ int(x) for x in re.findall( r"\b\d{4}\b", self.prepared_epc["construction-age-band"] ) ] self.year_built = band[0] return # We don't know when the property was built self.year_built = None def _clean_ventilation(self): """ This method will clean the ventilation, if empty or invalid """ self.prepared_epc["mechanical-ventilation"] = ( None if (self.prepared_epc["mechanical-ventilation"] in DATA_ANOMALY_MATCHES) else (self.prepared_epc["mechanical-ventilation"]) ) def _field_validation(self): """ This method will validate each of the fields in the EPC record """ for record_key, validation_config in self.validation_configuration.items(): # Get the variable named record key from self field_value = self.__dict__[record_key] if validation_config["type"] == "string": self._validate_string(record_key, field_value, validation_config) elif validation_config["type"] == "float": self._validate_float(record_key, field_value, validation_config) else: raise ValueError( f"Validation type {validation_config['type']} not supported" ) def _validate_string( self, record_key: str, field_value: Union[str, float], validation_config: dict ): """ Validate a string field """ if not isinstance(field_value, str): raise ValueError( f"Field {record_key} has value {field_value} which is not a string" ) if "function" in validation_config: try: validation_config["function"](field_value) except: raise ValueError( f"Field {record_key} has value {field_value} which does not pass the validation function " f"{validation_config['function']}" ) if validation_config["acceptable_values"] is not None: if field_value not in validation_config["acceptable_values"]: raise ValueError( f"Field {record_key} has value {field_value} which is not in the acceptable values of " f"{validation_config['acceptable_values']}" ) def _validate_float( self, record_key: str, field_value: Union[str, float], validation_config: dict ): """ Validate a float field """ if not isinstance(field_value, float): raise ValueError( f"Field {record_key} has value {field_value} which is not a float" ) if "function" in validation_config: try: validation_config["function"](field_value) except: raise ValueError( f"Field {record_key} has value {field_value} which does not pass the validation function " f"{validation_config['function']}" ) if validation_config["range"] is not None: if ( field_value < validation_config["range"][0] or field_value > validation_config["range"][1] ): raise ValueError( f"Field {record_key} has value {field_value} which is not in the acceptable range of " f"{validation_config['range']}" ) def create_EPCDifferenceRecord(self, other, fixed_data, auto_sort: bool = True): """ This method will create the difference record between the two records """ if not isinstance(other, EPCRecord): raise ValueError("Can only subtract EPCRecord from EPCRecord") difference_record = EPCDifferenceRecord( record1=self, record2=other, auto_sort=auto_sort ) difference_record.append_fixed_data(fixed_data) return difference_record def __sub__(self, other): """ This method will return the difference between two EPC records """ if not isinstance(other, EPCRecord): raise ValueError("Can only subtract EPCRecord from EPCRecord") print("Deprecated method, use create_EPCDifferenceRecord instead") difference_record = EPCDifferenceRecord( record1=self, record2=other, auto_sort=True ) return difference_record def __gt__(self, other): """ This method will return True if the EPC record is greater than or equal to the other """ if not isinstance(other, EPCRecord): raise ValueError("Can only compare EPCRecord to EPCRecord") return self.__dict__[RDSAP_RESPONSE] > other.__dict__[RDSAP_RESPONSE] def __ge__(self, other): """ This method will return True if the EPC record is greater than or equal to the other """ if not isinstance(other, EPCRecord): raise ValueError("Can only compare EPCRecord to EPCRecord") return self.__dict__[RDSAP_RESPONSE] >= other.__dict__[RDSAP_RESPONSE] def __lt__(self, other): """ This method will return True if the EPC record is greater than or equal to the other """ if not isinstance(other, EPCRecord): raise ValueError("Can only compare EPCRecord to EPCRecord") return self.__dict__[RDSAP_RESPONSE] < other.__dict__[RDSAP_RESPONSE] def __le__(self, other): """ This method will return True if the EPC record is greater than or equal to the other """ if not isinstance(other, EPCRecord): raise ValueError("Can only compare EPCRecord to EPCRecord") return self.__dict__[RDSAP_RESPONSE] <= other.__dict__[RDSAP_RESPONSE] def get( self, key: Union[str, List[str]], return_asdict: bool = False, key_suffix: str | None = None, ) -> Any: """ This method will return the value of the key """ if return_asdict: output_dict = { x: self.__dict__[x] if x in self.__dict__.keys() else None for x in key } if key_suffix is not None: output_dict = {f"{x}{key_suffix}": y for x, y in output_dict.items()} return output_dict if isinstance(key, list): return [ self.__dict__[x] if x in self.__dict__.keys() else None for x in key ] elif isinstance(key, str): return self.__dict__[key] if key in self.__dict__.keys() else None class EPCDifferenceRecord: """ Base class for the difference between two EPC records """ def __init__(self, record1: EPCRecord, record2: EPCRecord, auto_sort: bool = False): """ This method will initialise the EPCDifferenceRecord Defaults usage is with record2 to have the higher RDSAP score """ self.record1 = record1 self.record2 = record2 self.earliest_record = ( record1 if record1.lodgement_date < record2.lodgement_date else record2 ) self.flag_fabric_consistency = False self.difference_record = {} self.difference_validation_configuration = ( EPCDifferenceRecordValidationConfiguration ) self.fixed_data_validation_configuration = ( EPCDifferenceRecordFixedDataValidationConfiguration ) if auto_sort and (self.record2 <= self.record1): self.record1, self.record2 = self.record2, self.record1 self._construct_difference_record() self._validate_difference_record() # self._detect_fabric_consistency() def _construct_difference_record(self): """ This method will construct the difference record between the two records """ rdsap_change = self.record2.get(RDSAP_RESPONSE) - self.record1.get( RDSAP_RESPONSE ) heat_demand_change = self.record2.get(HEAT_DEMAND_RESPONSE) - self.record1.get( HEAT_DEMAND_RESPONSE ) carbon_change = self.record2.get(CARBON_RESPONSE) - self.record1.get( CARBON_RESPONSE ) component_variables = ( COMPONENT_FEATURES + EFFICIENCY_FEATURES + ROOM_FEATURES + POST_SAP10_FEATURE ) ending_record = self.record2.get( component_variables + ["lodgement_date"], return_asdict=True, key_suffix="_ending", ) starting_record = self.record1.get( component_variables + ["lodgement_date"], return_asdict=True, key_suffix="_starting", ) self.difference_record = { "uprn": self.record1.get("uprn"), "rdsap_change": rdsap_change, "heat_demand_change": heat_demand_change, "carbon_change": carbon_change, "sap_starting": self.record1.get(RDSAP_RESPONSE), "sap_ending": self.record2.get(RDSAP_RESPONSE), "heat_demand_starting": self.record1.get(HEAT_DEMAND_RESPONSE), "heat_demand_ending": self.record2.get(HEAT_DEMAND_RESPONSE), "carbon_starting": self.record1.get(CARBON_RESPONSE), "carbon_ending": self.record2.get(CARBON_RESPONSE), "lighting_cost_starting": self.record1.get("lighting_cost_current"), "lighting_cost_ending": self.record2.get("lighting_cost_current"), "heating_cost_starting": self.record1.get("heating_cost_current"), "heating_cost_ending": self.record2.get("heating_cost_current"), "hot_water_cost_starting": self.record1.get("hot_water_cost_current"), "hot_water_cost_ending": self.record2.get("hot_water_cost_current"), "potential_energy_efficiency": self.earliest_record.get( "potential_energy_efficiency" ), "environment_impact_potential": self.earliest_record.get( "environment_impact_potential" ), "energy_consumption_potential": self.earliest_record.get( "energy_consumption_potential" ), "co2_emissions_potential": self.earliest_record.get( "co2_emissions_potential" ), **ending_record, **starting_record, } def _validate_difference_record(self): """ This method will validate the difference record """ # for key, value in self.difference_record.items(): # if key == "LODGEMENT_DATE": # continue # if isinstance(value, str): # continue # if value < 0: # raise ValueError(f"Difference record has negative value for {key}") pass def compare_fields_in_records(self, fields: List[str]): """ This method will compare the records, for specific fields """ all_equal = True for field in fields: if self.record1.get(field) != self.record2.get(field): return False if all_equal: return True def get(self, key: str): """ This method will return the value of the key """ return ( self.difference_record[key] if key in self.difference_record.keys() else None ) def append_fixed_data(self, fixed_data: dict): """ This method will append fixed data to the difference record """ self._validate_fixed_data(fixed_data) self.difference_record.update(fixed_data) def _validate_fixed_data(self, fixed_data: dict): """ This method will validate the fixed data """ # Can have more sophisticated checks here # self.fixed_data_validataion_configuration pass def ensure_adequate_data(self) -> bool: """ This method will ensure that the difference record has adequate data, to keep record, even if rdsap change is zero Can move into the initiation of the difference record """ wall_check = self.record1.walls_description == self.record2.walls_description floor_check = self.record1.floor_description == self.record2.floor_description roof_check = self.record1.roof_description == self.record2.roof_description mainheat_check = ( self.record1.mainheat_description == self.record2.mainheat_description ) windows_check = ( self.record1.windows_description == self.record2.windows_description ) solar_water_heating_flag_check = ( self.record1.solar_water_heating_flag == self.record2.solar_water_heating_flag ) solar_pv_check = self.record1.photo_supply == self.record2.photo_supply heating_control_check = ( self.record1.mainheatcont_description == self.record2.mainheatcont_description ) extension_count_check = ( self.record1.extension_count == self.record2.extension_count ) floor_height_check = ( abs(1 - (self.record1.floor_height / self.record2.floor_height)) < 0.05 ) total_floor_area_check = ( abs(1 - (self.record1.total_floor_area / self.record2.total_floor_area)) < 0.05 ) if all( [ wall_check, floor_check, roof_check, mainheat_check, windows_check, solar_water_heating_flag_check, extension_count_check, floor_height_check, total_floor_area_check, solar_pv_check, heating_control_check, ] ): return True else: return False