Tool-Plaid

"""Configuration management for tool-plaid""" import os from functools import lru_cache from pathlib import Path from typing import Optional @lru_cache def get_env(key: str, default: Optional[str] = None) -> str: """Get environment variable with optional default.""" # First check .env.agent file in project root env_file = Path(__file__).parent.parent / ".env.agent" if env_file.exists(): with open(env_file) as f: for line in f: line = line.strip() if line and not line.startswith("#") and "=" in line: key_name, value = line.split("=", 1) os.environ[key_name.strip()] = value.strip() # Fall back to os.getenv() value = os.getenv(key, default) if value is None: raise ValueError(f"Environment variable {key} is required but not set") return value def get_env_int(key: str, default: int = 0) -> int: """Get environment variable as integer.""" value = os.getenv(key) if value is None: return default try: return int(value) except ValueError: raise ValueError(f"Environment variable {key} must be an integer, got: {value}") class Config: """Application configuration from environment variables.""" PLAID_ENV: str = "sandbox" PLAID_CLIENT_ID: str = "" PLAID_SECRET: str = "" ENCRYPTION_KEY: str = "" STORAGE_MODE: str = "file" DATABASE_URL: Optional[str] = None MCP_TRANSPORT: str = "stdio" MCP_PORT: int = 8000 BALANCE_CACHE_TTL: int = 300 # 5 minutes in seconds @classmethod def load(cls) -> "Config": """Load configuration from environment variables.""" config = cls() config.PLAID_ENV = get_env("PLAID_ENV", "sandbox") config.PLAID_CLIENT_ID = get_env("PLAID_CLIENT_ID") config.PLAID_SECRET = get_env("PLAID_SECRET") config.ENCRYPTION_KEY = get_env("ENCRYPTION_KEY") config.STORAGE_MODE = get_env("STORAGE_MODE", "file") if config.STORAGE_MODE == "postgres": config.DATABASE_URL = get_env("DATABASE_URL") config.MCP_TRANSPORT = get_env("MCP_TRANSPORT", "stdio") config.MCP_PORT = get_env_int("MCP_PORT", 8000) config.BALANCE_CACHE_TTL = get_env_int("BALANCE_CACHE_TTL", 300) return config @property def is_sandbox(self) -> bool: """Check if running in Sandbox environment.""" return self.PLAID_ENV.lower() == "sandbox" @property def data_dir(self) -> Path: """Get data directory for file storage.""" from pathlib import Path return Path.cwd() / "data" def validate(self) -> None: """Validate configuration.""" if len(self.ENCRYPTION_KEY) < 32: raise ValueError("ENCRYPTION_KEY must be at least 32 bytes") if self.STORAGE_MODE not in ("file", "postgres"): raise ValueError("STORAGE_MODE must be 'file' or 'postgres'") if self.MCP_TRANSPORT not in ("stdio", "streamable-http"): raise ValueError("MCP_TRANSPORT must be 'stdio' or 'streamable-http'")