mirror of
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334 lines
10 KiB
Python
334 lines
10 KiB
Python
"""
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This script prepares the data for the financial model
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"""
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from dotenv import load_dotenv
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load_dotenv(".env.local")
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import pandas as pd
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import numpy as np
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from backend.app.utils import sap_to_epc
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from sqlalchemy.orm import sessionmaker
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from backend.app.db.connection import db_engine, db_read_session
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from backend.app.db.models.recommendations import (
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Recommendation,
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PlanModel,
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PlanRecommendations,
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RecommendationMaterials,
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)
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from backend.app.db.models.portfolio import (
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PropertyModel,
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PropertyDetailsEpcModel,
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PropertyDetailsSpatial,
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)
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from backend.app.db.functions.materials_functions import get_materials
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from collections import defaultdict
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from sqlalchemy import func
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PORTFOLIO_ID = 632
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SCENARIOS = [1144]
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scenario_names = {
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1144: "EPC C",
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}
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project_name = "Calico Refresh"
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def get_data(portfolio_id, scenario_ids):
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session = sessionmaker(bind=db_engine)()
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session.begin()
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# --------------------
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# Properties
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# --------------------
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properties_query = (
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session.query(PropertyModel, PropertyDetailsEpcModel)
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.join(
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PropertyDetailsEpcModel,
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PropertyModel.id == PropertyDetailsEpcModel.property_id,
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)
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.filter(PropertyModel.portfolio_id == portfolio_id)
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.all()
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)
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properties_data = [
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{
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**{
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col.name: getattr(p.PropertyModel, col.name)
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for col in PropertyModel.__table__.columns
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},
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**{
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col.name: getattr(p.PropertyDetailsEpcModel, col.name)
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for col in PropertyDetailsEpcModel.__table__.columns
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},
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}
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for p in properties_query
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]
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# --------------------
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# Plans
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# --------------------
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latest_plans_subq = (
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session.query(
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PlanModel.scenario_id,
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PlanModel.property_id,
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func.max(PlanModel.created_at).label("latest_created_at"),
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)
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.filter(PlanModel.scenario_id.in_(scenario_ids))
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.group_by(PlanModel.scenario_id, PlanModel.property_id)
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.subquery()
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)
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# plans_query = session.query(Plan).filter(
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# Plan.scenario_id.in_(scenario_ids)
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# ).all()
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plans_query = (
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session.query(PlanModel)
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.join(
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latest_plans_subq,
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(PlanModel.scenario_id == latest_plans_subq.c.scenario_id)
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& (PlanModel.property_id == latest_plans_subq.c.property_id)
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& (PlanModel.created_at == latest_plans_subq.c.latest_created_at),
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)
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.all()
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)
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# plans_query = (
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# session.query(Plan)
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# .join(
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# latest_plans_subq,
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# (Plan.scenario_id == latest_plans_subq.c.scenario_id) &
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# (Plan.created_at == latest_plans_subq.c.latest_created_at)
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# )
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# .all()
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# )
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plans_data = [
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{col.name: getattr(plan, col.name) for col in PlanModel.__table__.columns}
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for plan in plans_query
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]
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plan_ids = [p["id"] for p in plans_data]
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# --------------------
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# Recommendations (NO materials yet)
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# --------------------
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recommendations_query = (
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session.query(
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Recommendation, PlanModel.scenario_id, PlanRecommendations.plan_id
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)
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.join(
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PlanRecommendations,
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Recommendation.id == PlanRecommendations.recommendation_id,
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)
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.join(PlanModel, PlanModel.id == PlanRecommendations.plan_id)
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.filter(
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PlanRecommendations.plan_id.in_(plan_ids),
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Recommendation.default.is_(True),
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Recommendation.already_installed.is_(False),
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)
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.all()
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)
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recommendations_data = [
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{
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**{
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col.name: getattr(r.Recommendation, col.name)
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for col in Recommendation.__table__.columns
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},
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"scenario_id": r.scenario_id,
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"materials": [], # placeholder
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}
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for r in recommendations_query
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]
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recommendation_ids = [r["id"] for r in recommendations_data]
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# --------------------
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# Recommendation materials (SEPARATE QUERY)
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# --------------------
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materials_query = (
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session.query(RecommendationMaterials)
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.filter(RecommendationMaterials.recommendation_id.in_(recommendation_ids))
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.all()
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)
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# Group materials by recommendation_id
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materials_by_recommendation = defaultdict(list)
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for m in materials_query:
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materials_by_recommendation[m.recommendation_id].append(
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{
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"material_id": m.material_id,
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"depth": m.depth,
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"quantity": m.quantity,
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"quantity_unit": m.quantity_unit,
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"estimated_cost": m.estimated_cost,
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}
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)
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# Attach materials safely (no filtering side effects)
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for r in recommendations_data:
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r["materials"] = materials_by_recommendation.get(r["id"], [])
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session.close()
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return properties_data, plans_data, recommendations_data
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properties_data, plans_data, recommendations_data = get_data(
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portfolio_id=PORTFOLIO_ID, scenario_ids=SCENARIOS
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)
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properties_df = pd.DataFrame(properties_data)
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plans_df = pd.DataFrame(plans_data)
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recommendations_df = pd.DataFrame(recommendations_data)
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with db_read_session() as session:
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materials = get_materials(session)
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materials = pd.DataFrame(materials)
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material_lookup = materials.set_index("id")[["type", "includes_battery"]].to_dict(
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"index"
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)
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def has_solar_with_battery(materials_list):
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for m in materials_list or []:
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mat = material_lookup.get(m["material_id"])
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if not mat:
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continue
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if mat["type"] == "solar_pv" and mat["includes_battery"]:
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return True
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return False
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recommendations_df["has_solar_with_battery"] = recommendations_df["materials"].apply(
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has_solar_with_battery
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)
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recommendations_df["measure_type"] = np.where(
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recommendations_df["has_solar_with_battery"] == True,
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recommendations_df["measure_type"] + "_with_battery",
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recommendations_df["measure_type"],
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)
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# Adjust material type to indicate if there is a battery included
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from utils.s3 import read_csv_from_s3, read_excel_from_s3
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# asset_list = read_excel_from_s3(
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# bucket_name="retrofit-plan-inputs-dev", file_key="2/404/20251211T163200754Z/asset_list.xlsx",
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# header_row=0, sheet_name="Standardised Asset List"
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# )
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for scenario_id in SCENARIOS:
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# Get recs for this scenario
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recommended_measures_df = recommendations_df[
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recommendations_df["scenario_id"] == scenario_id
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][["property_id", "measure_type", "estimated_cost", "default"]]
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recommended_measures_df = recommended_measures_df[
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recommended_measures_df["default"]
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]
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recommended_measures_df = recommended_measures_df.drop(columns=["default"])
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post_install_sap = recommendations_df[
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recommendations_df["scenario_id"] == scenario_id
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][["property_id", "default", "sap_points"]]
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post_install_sap = post_install_sap[post_install_sap["default"]]
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# Sum up the sap points by property id
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post_install_sap = (
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post_install_sap.groupby(["property_id"])[["sap_points"]].sum().reset_index()
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)
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# Find dupes by property id and measure type
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dupes = recommended_measures_df.duplicated(
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subset=["property_id", "measure_type"], keep=False
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)
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dupe_df = recommended_measures_df[dupes]
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if dupe_df.shape:
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# Drop dupes - happened due to a funny bug
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recommended_measures_df = recommended_measures_df.drop_duplicates(
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subset=["property_id", "measure_type"], keep="first"
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)
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recommendations_measures_pivot = recommended_measures_df.pivot(
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index="property_id", columns="measure_type", values="estimated_cost"
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)
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recommendations_measures_pivot = recommendations_measures_pivot.reset_index()
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# Total cost is the row sum, excluding the property_id column
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recommendations_measures_pivot["total_retrofit_cost"] = (
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recommendations_measures_pivot.drop(columns=["property_id"]).sum(axis=1)
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)
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df = (
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properties_df[
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[
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"landlord_property_id",
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"property_id",
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"uprn",
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"address",
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"postcode",
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"property_type",
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"walls",
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"roof",
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"heating",
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"windows",
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"current_epc_rating",
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"current_sap_points",
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"original_sap_points",
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"total_floor_area",
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"number_of_rooms",
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"lodgement_date",
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"is_expired",
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"id",
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]
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]
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.merge(recommendations_measures_pivot, how="left", on="property_id")
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.merge(post_install_sap, how="left", on="property_id")
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)
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# df = df.drop(columns=["property_id"])
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df["sap_points"] = df["sap_points"].fillna(0)
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df["predicted_post_works_sap"] = df["current_sap_points"] + df["sap_points"]
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df["predicted_post_works_sap"] = df["predicted_post_works_sap"]
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df["predicted_post_works_epc"] = df["predicted_post_works_sap"].apply(
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lambda x: sap_to_epc(x)
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)
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df["uprn"] = df["uprn"].astype(str)
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# Expected columns list
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expected_columns = [
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"suspended_floor_insulation",
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"solid_floor_insulation",
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"external_wall_insulation",
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"internal_wall_insulation",
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"cavity_wall_insulation",
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"loft_insulation",
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"flat_roof_insulation",
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"room_roof_insulation",
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"secondary_glazing",
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"double_glazing",
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"solar_pv",
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"high_heat_retention_storage_heaters",
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"air_source_heat_pump",
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"boiler_upgrade",
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"roomstat_programmer_trvs",
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"time_temperature_zone_control",
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]
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# Add missing columns with default values
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for col in expected_columns:
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if col not in df.columns:
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df[col] = ""
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# Create excel to store to
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filename = f"{scenario_names[scenario_id]} - {project_name}.xlsx"
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with pd.ExcelWriter(filename) as writer:
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df.to_excel(writer, sheet_name="properties", index=False)
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