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"""Application configuration using Pydantic settings."""
from typing import Literal
from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
"""Application settings loaded from environment variables.
Supports loading from .env file with UTF-8 encoding.
All settings can be overridden via environment variables.
"""
model: str = Field(
default="DragonLLM/Qwen-Open-Finance-R-8B",
description="Hugging Face model identifier"
)
service_api_key: str | None = Field(
default=None,
description="Optional API key for authentication (SERVICE_API_KEY env var)"
)
log_level: Literal["debug", "info", "warning", "error"] = Field(
default="info",
description="Logging level"
)
force_model_reload: bool = Field(
default=False,
description="Force model reload from Hugging Face, bypassing cache (FORCE_MODEL_RELOAD env var)"
)
model_config = SettingsConfigDict(
env_file=".env",
env_file_encoding="utf-8",
extra="ignore",
)
settings = Settings()
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