116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
"""Configuration models for the application."""
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import json
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Dict, List, Optional
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# -----------------------------------------------------------------------------
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# Configuration Dataclasses
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# -----------------------------------------------------------------------------
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@dataclass
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class AudioConfig:
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"""Settings for audio input and output."""
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input_device: Optional[str] = None
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input_block_size: int = 1024
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output_device: Optional[str] = None
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@dataclass
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class WakeWordConfig:
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"""Settings for wake word detection."""
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directories: List[str] = field(default_factory=list)
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model: str = "okay_nabu"
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stop_model: str = "stop"
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refractory_seconds: float = 2.0
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download_dir: str = "local" # <-- ADDED
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@dataclass
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class ESPHomeConfig:
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"""Settings for the ESPHome API server."""
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host: str = "0.0.0.0"
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port: int = 6053
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@dataclass
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class LedConfig:
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"""Settings for the LED strip."""
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led_type: str = "dotstar"
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interface: str = "spi"
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clock_pin: int = 13
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data_pin: int = 12
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num_leds: int = 3 # Note: This will be overridden by 'preferences.json' if it exists
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@dataclass
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class MqttConfig:
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"""Settings for the MQTT client."""
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enabled: bool = False
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host: Optional[str] = None
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port: int = 1883
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username: Optional[str] = None
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password: Optional[str] = None
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@dataclass
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class AppConfig:
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"""General application settings."""
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name: str
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wakeup_sound: str = "sounds/wake_word_triggered.flac"
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timer_finished_sound: str = "sounds/timer_finished.flac"
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preferences_file: str = "preferences.json"
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debug: bool = False
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@dataclass
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class Config:
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"""Main configuration object."""
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app: AppConfig
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audio: AudioConfig = field(default_factory=AudioConfig)
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wake_word: WakeWordConfig = field(default_factory=WakeWordConfig)
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esphome: ESPHomeConfig = field(default_factory=ESPHomeConfig)
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led: LedConfig = field(default_factory=LedConfig)
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mqtt: MqttConfig = field(default_factory=MqttConfig)
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# -----------------------------------------------------------------------------
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# Helper Function
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# -----------------------------------------------------------------------------
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def load_config_from_json(config_path: Path) -> Config:
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"""Loads configuration from a JSON file and populates dataclasses."""
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# --- Step 1: Load raw JSON data ---
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try:
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with open(config_path, "r", encoding="utf-8") as f:
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raw_data = json.load(f)
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except FileNotFoundError:
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_LOGGER.critical(f"Configuration file not found at: {config_path}")
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raise
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except json.JSONDecodeError as e:
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_LOGGER.critical(f"Error parsing configuration file: {e}")
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raise
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# --- Step 2: Create config objects from raw data ---
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if "app" not in raw_data:
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raise ValueError("Configuration file must contain an 'app' section with a 'name'.")
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app_config = AppConfig(**raw_data.get("app", {}))
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audio_config = AudioConfig(**raw_data.get("audio", {}))
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wake_word_config = WakeWordConfig(**raw_data.get("wake_word", {}))
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esphome_config = ESPHomeConfig(**raw_data.get("esphome", {}))
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led_config = LedConfig(**raw_data.get("led", {}))
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mqtt_config = MqttConfig(**raw_data.get("mqtt", {}))
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# --- Step 3: Set MQTT 'enabled' flag ---
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if mqtt_config.host:
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mqtt_config.enabled = True
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# --- Step 4: Return the main Config object ---
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return Config(
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app=app_config,
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audio=audio_config,
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wake_word=wake_word_config,
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esphome=esphome_config,
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led=led_config,
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mqtt=mqtt_config,
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)
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import logging
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_LOGGER = logging.getLogger(__name__)
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