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# DEPENDENCIES
from pathlib import Path
from pydantic import Field
from typing import Optional
from pydantic_settings import BaseSettings
class Settings(BaseSettings):
"""
Application-wide settings: primary configuration source
"""
# Application Info
APP_NAME : str = "AI Contract Risk Analyzer"
APP_VERSION : str = "1.0.0"
API_PREFIX : str = "/api/v1/"
# Server Configuration
HOST : str = "0.0.0.0"
PORT : int = 8000
RELOAD : bool = True
WORKERS : int = 1
# CORS Settings
CORS_ORIGINS : list = ["http://localhost:3000", "http://localhost:8000", "http://127.0.0.1:8000"]
CORS_ALLOW_CREDENTIALS : bool = True
CORS_ALLOW_METHODS : list = ["*"]
CORS_ALLOW_HEADERS : list = ["*"]
# File Upload Settings
MAX_UPLOAD_SIZE : int = 10 * 1024 * 1024 # 10 MB
ALLOWED_EXTENSIONS : list = [".pdf", ".docx", ".txt"]
UPLOAD_DIR : Path = Path("uploads")
# Model Management Settings
MODEL_CACHE_SIZE : int = 3 # Number of models to keep in memory
MODEL_DOWNLOAD_TIMEOUT : int = 1800 # 30 minutes
USE_GPU : bool = True # Automatically detect and use GPU if available
# External API Settings
OLLAMA_BASE_URL : str = "http://localhost:11434"
OLLAMA_MODEL : str = "llama3:8b"
OLLAMA_TIMEOUT : int = 300
OLLAMA_TEMPERATURE : float = 0.1
# External API Keys
OPENAI_API_KEY : Optional[str] = None
ANTHROPIC_API_KEY : Optional[str] = None
# Analysis Limits
MIN_CONTRACT_LENGTH : int = 300 # Minimum characters for valid contract
MAX_CONTRACT_LENGTH : int = 500000 # Maximum characters (500KB text)
MAX_CLAUSES_TO_ANALYZE : int = 15
# Logging Settings
LOG_LEVEL : str = "INFO"
LOG_FORMAT : str = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
LOG_FILE : Optional[Path] = Path("logs/app.log")
# Cache Settings
ENABLE_CACHE : bool = True
CACHE_TTL : int = 3600 # 1 hour
CACHE_DIR : Path = Path("cache")
# Rate Limiting Settings
RATE_LIMIT_ENABLED : bool = True
RATE_LIMIT_REQUESTS : int = 10
RATE_LIMIT_PERIOD : int = 60 # seconds
# PDF Report Settings
PDF_FONT_SIZE : int = 10
PDF_MARGIN : float = 0.5 # inches
PDF_PAGE_SIZE : str = "letter"
class Config:
env_file = ".env"
env_file_encoding = "utf-8"
case_sensitive = True
def __init__(self, **kwargs):
super().__init__(**kwargs)
# Ensure directories exist
self.UPLOAD_DIR.mkdir(parents = True, exist_ok = True)
self.CACHE_DIR.mkdir(parents = True, exist_ok = True)
if self.LOG_FILE:
self.LOG_FILE.parent.mkdir(parents = True, exist_ok = True)
# Global settings instance
settings = Settings() |