236 lines
7.6 KiB
Python
236 lines
7.6 KiB
Python
"""
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Config loader (local-only).
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This project is fully localized: all sensitive configuration should come from
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`backend_api_python/.env` (or OS environment variables).
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We keep the return shape compatible with the old PHP `loadConfig`:
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flat keys like `openrouter.api_key` become nested dicts like:
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{
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"openrouter": {"api_key": "..."}
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}
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"""
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from typing import Dict, Any, Optional, List, Tuple
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import os
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from app.utils.logger import get_logger
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logger = get_logger(__name__)
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# Configure cache
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_config_cache: Optional[Dict[str, Any]] = None
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def load_addon_config() -> Dict[str, Any]:
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"""
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Build config from environment variables (.env / OS env).
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NOTE: We intentionally do NOT load secrets from the database.
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Returns:
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Nested config dict (PHP-compatible shape)
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"""
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global _config_cache
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# If the cache exists, return directly
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if _config_cache is not None:
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return _config_cache
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config: Dict[str, Any] = {}
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def set_nested(cfg: Dict[str, Any], dotted_key: str, value: Any) -> None:
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keys = dotted_key.split('.')
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ref = cfg
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for i, k in enumerate(keys):
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if i == len(keys) - 1:
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ref[k] = value
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else:
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if k not in ref or not isinstance(ref[k], dict):
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ref[k] = {}
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ref = ref[k]
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def env_get(name: str) -> Optional[str]:
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val = os.getenv(name)
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if val is None:
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return None
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val = str(val).strip()
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return val if val != '' else None
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# Map env vars to PHP-style dotted keys.
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mappings: List[Tuple[str, str, str]] = [
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# internal
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('INTERNAL_API_KEY', 'internal_api.key', 'string'),
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# OpenRouter / LLM
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('OPENROUTER_API_KEY', 'openrouter.api_key', 'string'),
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('OPENROUTER_API_URL', 'openrouter.api_url', 'string'),
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('OPENROUTER_MODEL', 'openrouter.model', 'string'),
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('OPENROUTER_TEMPERATURE', 'openrouter.temperature', 'float'),
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('OPENROUTER_MAX_TOKENS', 'openrouter.max_tokens', 'int'),
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('OPENROUTER_TIMEOUT', 'openrouter.timeout', 'int'),
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('OPENROUTER_CONNECT_TIMEOUT', 'openrouter.connect_timeout', 'int'),
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# OpenAI Direct
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('OPENAI_API_KEY', 'openai.api_key', 'string'),
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('OPENAI_BASE_URL', 'openai.base_url', 'string'),
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('OPENAI_MODEL', 'openai.model', 'string'),
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# Google Gemini
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('GOOGLE_API_KEY', 'google.api_key', 'string'),
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('GOOGLE_MODEL', 'google.model', 'string'),
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# DeepSeek
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('DEEPSEEK_API_KEY', 'deepseek.api_key', 'string'),
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('DEEPSEEK_BASE_URL', 'deepseek.base_url', 'string'),
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('DEEPSEEK_MODEL', 'deepseek.model', 'string'),
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# xAI Grok
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('GROK_API_KEY', 'grok.api_key', 'string'),
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('GROK_BASE_URL', 'grok.base_url', 'string'),
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('GROK_MODEL', 'grok.model', 'string'),
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# LLM Provider Selection
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('LLM_PROVIDER', 'llm.provider', 'string'),
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# App
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('RATE_LIMIT', 'app.rate_limit', 'int'),
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('ENABLE_CACHE', 'app.enable_cache', 'bool'),
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('ENABLE_REQUEST_LOG', 'app.enable_request_log', 'bool'),
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# Data source common
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('DATA_SOURCE_TIMEOUT', 'data_source.timeout', 'int'),
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('DATA_SOURCE_RETRY', 'data_source.retry_count', 'int'),
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('DATA_SOURCE_RETRY_BACKOFF', 'data_source.retry_backoff', 'float'),
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# Finnhub
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('FINNHUB_API_KEY', 'finnhub.api_key', 'string'),
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('FINNHUB_TIMEOUT', 'finnhub.timeout', 'int'),
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('FINNHUB_RATE_LIMIT', 'finnhub.rate_limit', 'int'),
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# CCXT
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('CCXT_DEFAULT_EXCHANGE', 'ccxt.default_exchange', 'string'),
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('CCXT_TIMEOUT', 'ccxt.timeout', 'int'),
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# Other sources
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('YFINANCE_TIMEOUT', 'yfinance.timeout', 'int'),
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('AKSHARE_TIMEOUT', 'akshare.timeout', 'int'),
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('TIINGO_API_KEY', 'tiingo.api_key', 'string'),
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('TIINGO_TIMEOUT', 'tiingo.timeout', 'int'),
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# Search (Google CSE / Bing)
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('SEARCH_PROVIDER', 'search.provider', 'string'),
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('SEARCH_MAX_RESULTS', 'search.max_results', 'int'),
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('SEARCH_GOOGLE_API_KEY', 'search.google.api_key', 'string'),
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('SEARCH_GOOGLE_CX', 'search.google.cx', 'string'),
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('SEARCH_BING_API_KEY', 'search.bing.api_key', 'string'),
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# Tavily (AI-optimized search)
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('TAVILY_API_KEYS', 'tavily.api_keys', 'string'),
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# SerpAPI (Google/Bing scraper)
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('SERPAPI_KEYS', 'serpapi.api_keys', 'string'),
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]
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for env_name, dotted_key, value_type in mappings:
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raw = env_get(env_name)
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if raw is None:
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continue
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try:
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value = _convert_config_value(raw, value_type)
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set_nested(config, dotted_key, value)
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except Exception as e:
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logger.warning(f"Config env parse failed: {env_name} -> {dotted_key}: {e}")
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_config_cache = config
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return config
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def _convert_config_value(value: str, value_type: str) -> Any:
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"""
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Convert configuration values according to type (consistent with the convertConfigValue method on the PHP side)
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Args:
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value: configuration value string (may be None)
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value_type: configuration type
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Returns:
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Converted configuration value
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"""
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# Handling None or null values
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if value is None or value == '':
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if value_type == 'int':
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return 0
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elif value_type == 'float':
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return 0.0
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elif value_type == 'bool':
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return False
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elif value_type == 'json':
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return {}
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else:
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return ''
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try:
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if value_type == 'int':
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return int(value)
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elif value_type == 'float':
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return float(value)
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elif value_type == 'bool':
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return bool(value) or value == '1' or value == 'true' or value == 'True'
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elif value_type == 'json':
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import json
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try:
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return json.loads(value) if value else {}
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except (json.JSONDecodeError, TypeError):
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return {}
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else:
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return str(value) if value is not None else ''
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except (ValueError, TypeError) as e:
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logger.warning(f"Config value type conversion failed: value={value}, type={value_type}, error={str(e)}")
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# Returns default value if conversion fails
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if value_type == 'int':
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return 0
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elif value_type == 'float':
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return 0.0
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elif value_type == 'bool':
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return False
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elif value_type == 'json':
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return {}
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else:
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return str(value) if value is not None else ''
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def get_internal_api_key() -> Optional[str]:
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"""
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Get the internal API key (preferably read from environment variables)
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Returns:
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Internal API key, returns None if not configured
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"""
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try:
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env_val = os.getenv('INTERNAL_API_KEY', '').strip()
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if env_val:
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return env_val
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config = load_addon_config()
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api_key = config.get('internal_api', {}).get('key')
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if api_key:
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logger.debug(f"Loaded INTERNAL_API_KEY from env-config shape, length: {len(api_key)}")
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else:
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logger.warning("Missing INTERNAL_API_KEY (env).")
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return api_key
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except Exception as e:
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logger.error(f"Failed to load internal API key: {str(e)}")
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return None
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def clear_config_cache():
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"""
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Clear configuration cache (called after configuration update)
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"""
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global _config_cache
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_config_cache = None
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logger.debug("Addon config cache cleared")
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