84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
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"""
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=============================================================================
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CONFIGURATION MODULE
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=============================================================================
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This module handles all configuration using Pydantic Settings.
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Benefits of using Pydantic Settings:
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- Type validation for environment variables
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- Auto-loading from .env files
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- IDE autocomplete and type hints
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- Clear documentation of all required config
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Usage:
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from config import settings
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print(settings.OPENAI_API_KEY)
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"""
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from pydantic_settings import BaseSettings
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from functools import lru_cache
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class Settings(BaseSettings):
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"""
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Application settings loaded from environment variables.
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All settings can be overridden via:
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1. Environment variables
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2. .env file in the backend directory
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"""
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# -------------------------------------------------------------------------
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# Server Configuration
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# -------------------------------------------------------------------------
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PORT: int = 8000
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ENVIRONMENT: str = "development" # "development", "staging", "production"
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# -------------------------------------------------------------------------
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# Supabase Configuration
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# -------------------------------------------------------------------------
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SUPABASE_URL: str = ""
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SUPABASE_SERVICE_KEY: str = "" # Service key for admin access
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# -------------------------------------------------------------------------
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# AI Configuration
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# -------------------------------------------------------------------------
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OPENAI_API_KEY: str = ""
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ANTHROPIC_API_KEY: str = ""
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AI_PROVIDER: str = "openai" # "openai" or "anthropic"
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AI_MODEL: str = "gpt-3.5-turbo"
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# -------------------------------------------------------------------------
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# CORS Configuration
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# -------------------------------------------------------------------------
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CORS_ORIGINS: str = "http://localhost:3000" # Comma-separated list
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@property
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def cors_origins_list(self) -> list[str]:
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"""Parse CORS_ORIGINS string into a list."""
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return [origin.strip() for origin in self.CORS_ORIGINS.split(",")]
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class Config:
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# Load from .env file
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env_file = ".env"
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env_file_encoding = "utf-8"
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# Make field names case-insensitive
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case_sensitive = False
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# Use lru_cache to create a singleton settings instance
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@lru_cache
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def get_settings() -> Settings:
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"""
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Get cached settings instance.
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Using lru_cache ensures we only read the .env file once,
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improving performance.
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"""
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return Settings()
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# Export settings instance for easy import
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settings = get_settings()
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