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"""
Component library module for HVAC Load Calculator.
This module implements the preset component database and component selection interface.
"""
from typing import Dict, List, Any, Optional, Tuple
import pandas as pd
import numpy as np
import os
import json
import uuid
from dataclasses import asdict
# Import data models
from data.building_components import (
BuildingComponent, Wall, Roof, Floor, Window, Door, Skylight,
MaterialLayer, Orientation, ComponentType, BuildingComponentFactory
)
from data.reference_data import reference_data
# Define paths
DATA_DIR = os.path.dirname(os.path.abspath(__file__))
class ComponentLibrary:
"""Class for managing building component library."""
def __init__(self):
"""Initialize component library."""
self.components = {}
self.load_preset_components()
def load_preset_components(self):
"""Load preset components from reference data."""
# Load preset walls
for wall_id, wall_data in reference_data.wall_types.items():
# Create material layers
material_layers = []
for layer_data in wall_data.get("layers", []):
material_id = layer_data.get("material")
thickness = layer_data.get("thickness")
material = reference_data.get_material(material_id)
if material:
layer = MaterialLayer(
name=material["name"],
thickness=thickness,
conductivity=material["conductivity"],
density=material.get("density"),
specific_heat=material.get("specific_heat")
)
material_layers.append(layer)
# Create wall component
component_id = f"preset_wall_{wall_id}"
wall = Wall(
id=component_id,
name=wall_data["name"],
component_type=ComponentType.WALL,
u_value=wall_data["u_value"],
area=1.0, # Area will be set when component is used
orientation=Orientation.NOT_APPLICABLE, # Orientation will be set when component is used
wall_type=wall_data["name"],
wall_group=wall_data["wall_group"],
material_layers=material_layers
)
self.components[component_id] = wall
# Load preset roofs
for roof_id, roof_data in reference_data.roof_types.items():
# Create material layers
material_layers = []
for layer_data in roof_data.get("layers", []):
material_id = layer_data.get("material")
thickness = layer_data.get("thickness")
material = reference_data.get_material(material_id)
if material:
layer = MaterialLayer(
name=material["name"],
thickness=thickness,
conductivity=material["conductivity"],
density=material.get("density"),
specific_heat=material.get("specific_heat")
)
material_layers.append(layer)
# Create roof component
component_id = f"preset_roof_{roof_id}"
roof = Roof(
id=component_id,
name=roof_data["name"],
component_type=ComponentType.ROOF,
u_value=roof_data["u_value"],
area=1.0, # Area will be set when component is used
orientation=Orientation.HORIZONTAL,
roof_type=roof_data["name"],
roof_group=roof_data["roof_group"],
material_layers=material_layers
)
self.components[component_id] = roof
# Load preset floors
for floor_id, floor_data in reference_data.floor_types.items():
# Create material layers
material_layers = []
for layer_data in floor_data.get("layers", []):
material_id = layer_data.get("material")
thickness = layer_data.get("thickness")
material = reference_data.get_material(material_id)
if material:
layer = MaterialLayer(
name=material["name"],
thickness=thickness,
conductivity=material["conductivity"],
density=material.get("density"),
specific_heat=material.get("specific_heat")
)
material_layers.append(layer)
# Create floor component
component_id = f"preset_floor_{floor_id}"
floor = Floor(
id=component_id,
name=floor_data["name"],
component_type=ComponentType.FLOOR,
u_value=floor_data["u_value"],
area=1.0, # Area will be set when component is used
orientation=Orientation.HORIZONTAL,
floor_type=floor_data["name"],
is_ground_contact=floor_data["is_ground_contact"],
material_layers=material_layers
)
self.components[component_id] = floor
# Load preset windows
for window_id, window_data in reference_data.window_types.items():
# Create window component
component_id = f"preset_window_{window_id}"
window = Window(
id=component_id,
name=window_data["name"],
component_type=ComponentType.WINDOW,
u_value=window_data["u_value"],
area=1.0, # Area will be set when component is used
orientation=Orientation.NOT_APPLICABLE, # Orientation will be set when component is used
shgc=window_data["shgc"],
vt=window_data["vt"],
window_type=window_data["name"],
glazing_layers=window_data["glazing_layers"],
gas_fill=window_data["gas_fill"],
low_e_coating=window_data["low_e_coating"]
)
self.components[component_id] = window
# Load preset doors
for door_id, door_data in reference_data.door_types.items():
# Create door component
component_id = f"preset_door_{door_id}"
door = Door(
id=component_id,
name=door_data["name"],
component_type=ComponentType.DOOR,
u_value=door_data["u_value"],
area=1.0, # Area will be set when component is used
orientation=Orientation.NOT_APPLICABLE, # Orientation will be set when component is used
door_type=door_data["door_type"],
glazing_percentage=door_data["glazing_percentage"],
shgc=door_data.get("shgc", 0.0),
vt=door_data.get("vt", 0.0)
)
self.components[component_id] = door
def get_component(self, component_id: str) -> Optional[BuildingComponent]:
"""
Get a component by ID.
Args:
component_id: Component identifier
Returns:
BuildingComponent object or None if not found
"""
return self.components.get(component_id)
def get_components_by_type(self, component_type: ComponentType) -> List[BuildingComponent]:
"""
Get all components of a specific type.
Args:
component_type: Component type
Returns:
List of BuildingComponent objects
"""
return [comp for comp in self.components.values() if comp.component_type == component_type]
def get_preset_components_by_type(self, component_type: ComponentType) -> List[BuildingComponent]:
"""
Get all preset components of a specific type.
Args:
component_type: Component type
Returns:
List of BuildingComponent objects
"""
return [comp for comp in self.components.values()
if comp.component_type == component_type and comp.id.startswith("preset_")]
def get_custom_components_by_type(self, component_type: ComponentType) -> List[BuildingComponent]:
"""
Get all custom components of a specific type.
Args:
component_type: Component type
Returns:
List of BuildingComponent objects
"""
return [comp for comp in self.components.values()
if comp.component_type == component_type and comp.id.startswith("custom_")]
def add_component(self, component: BuildingComponent) -> str:
"""
Add a component to the library.
Args:
component: BuildingComponent object
Returns:
Component ID
"""
if component.id in self.components:
# Generate a new ID if the component ID already exists
component.id = f"custom_{component.component_type.value.lower()}_{str(uuid.uuid4())[:8]}"
self.components[component.id] = component
return component.id
def update_component(self, component_id: str, component: BuildingComponent) -> bool:
"""
Update a component in the library.
Args:
component_id: ID of the component to update
component: Updated BuildingComponent object
Returns:
True if the component was updated, False otherwise
"""
if component_id not in self.components:
return False
# Preserve the original ID
component.id = component_id
self.components[component_id] = component
return True
def remove_component(self, component_id: str) -> bool:
"""
Remove a component from the library.
Args:
component_id: ID of the component to remove
Returns:
True if the component was removed, False otherwise
"""
if component_id not in self.components:
return False
# Don't allow removing preset components
if component_id.startswith("preset_"):
return False
del self.components[component_id]
return True
def clone_component(self, component_id: str, new_name: str = None) -> Optional[str]:
"""
Clone a component in the library.
Args:
component_id: ID of the component to clone
new_name: Name for the cloned component (optional)
Returns:
ID of the cloned component or None if the original component was not found
"""
if component_id not in self.components:
return None
# Get the original component
original = self.components[component_id]
# Create a copy of the component
component_dict = asdict(original)
# Generate a new ID
component_dict["id"] = f"custom_{original.component_type.value.lower()}_{str(uuid.uuid4())[:8]}"
# Set new name if provided
if new_name:
component_dict["name"] = new_name
else:
component_dict["name"] = f"Copy of {original.name}"
# Create a new component
new_component = BuildingComponentFactory.create_component(component_dict)
# Add the new component to the library
self.components[new_component.id] = new_component
return new_component.id
def export_to_json(self, file_path: str) -> None:
"""
Export all components to a JSON file.
Args:
file_path: Path to the output JSON file
"""
data = {comp_id: comp.to_dict() for comp_id, comp in self.components.items()}
with open(file_path, 'w') as f:
json.dump(data, f, indent=4)
def import_from_json(self, file_path: str) -> int:
"""
Import components from a JSON file.
Args:
file_path: Path to the input JSON file
Returns:
Number of components imported
"""
with open(file_path, 'r') as f:
data = json.load(f)
count = 0
for comp_id, comp_data in data.items():
try:
component = BuildingComponentFactory.create_component(comp_data)
self.components[comp_id] = component
count += 1
except Exception as e:
print(f"Error importing component {comp_id}: {e}")
return count
# Create a singleton instance
component_library = ComponentLibrary()
# Export component library to JSON if needed
if __name__ == "__main__":
component_library.export_to_json(os.path.join(DATA_DIR, "component_library.json"))
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