73 lines
2 KiB
Python
73 lines
2 KiB
Python
"""Application configuration helpers."""
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from __future__ import annotations
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import os
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from pathlib import Path
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from typing import Dict
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from dotenv import load_dotenv
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DEFAULT_IMMICH_URL = "https://photos.4angle.com/"
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class ConfigError(RuntimeError):
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"""Raised when critical configuration is missing."""
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LEGACY_KEY_MAP = {
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"immich": "IMMICH_API_KEY",
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"openai": "OPENAI_API_KEY",
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}
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def _load_legacy_api_keys(path: Path) -> Dict[str, str]:
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"""Parse the legacy ``api_keys`` file if it exists."""
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if not path.exists():
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return {}
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values: Dict[str, str] = {}
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for line in path.read_text().splitlines():
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line = line.strip()
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if not line or line.startswith("#"):
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continue
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if "=" not in line:
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continue
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key, value = [piece.strip() for piece in line.split("=", 1)]
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mapped_key = LEGACY_KEY_MAP.get(key.lower())
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if mapped_key and value:
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values[mapped_key] = value
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return values
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def load_settings() -> Dict[str, str]:
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"""Load configuration from environment variables and ``api_keys``."""
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load_dotenv()
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settings: Dict[str, str] = {
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"IMMICH_API_URL": os.getenv("IMMICH_API_URL", DEFAULT_IMMICH_URL).rstrip("/"),
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"IMMICH_API_KEY": os.getenv("IMMICH_API_KEY", ""),
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"OPENAI_API_KEY": os.getenv("OPENAI_API_KEY", ""),
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"RECENT_DAYS": int(os.getenv("RECENT_DAYS", "3")),
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"OPENAI_MODEL": os.getenv("OPENAI_MODEL", "gpt-4o-mini"),
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"ALT_TEXT_DB": os.getenv("ALT_TEXT_DB", ""),
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"SECRET_KEY": os.getenv("SECRET_KEY", ""),
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}
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legacy_values = _load_legacy_api_keys(Path("api_keys"))
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for key, value in legacy_values.items():
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if not settings.get(key):
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settings[key] = value
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missing = [
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key for key in ("IMMICH_API_KEY", "OPENAI_API_KEY") if not settings.get(key)
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]
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if missing:
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raise ConfigError(
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"Missing required configuration values: " + ", ".join(missing)
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)
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return settings
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