Intervals.icu MCP Server

""" Configuration management for Intervals.icu MCP Server. This module handles loading and validation of configuration from environment variables. """ import os from dataclasses import dataclass from intervals_mcp_server.utils.validation import validate_athlete_id # Try to load environment variables from .env file if it exists try: from dotenv import load_dotenv _ = load_dotenv() except ImportError: # python-dotenv not installed, proceed without it pass @dataclass class Config: """Configuration settings for the Intervals.icu MCP Server.""" api_key: str athlete_id: str intervals_api_base_url: str user_agent: str _config_instance: Config | None = None def load_config() -> Config: """ Load configuration from environment variables. Returns: Config: Configuration instance with loaded values. Raises: ValueError: If athlete_id is invalid (when non-empty). """ api_key = os.getenv("API_KEY", "") athlete_id = os.getenv("ATHLETE_ID", "") intervals_api_base_url = os.getenv("INTERVALS_API_BASE_URL", "https://intervals.icu/api/v1") user_agent = "intervalsicu-mcp-server/1.0" # Validate athlete_id if provided (empty string is allowed) if athlete_id: validate_athlete_id(athlete_id) return Config( api_key=api_key, athlete_id=athlete_id, intervals_api_base_url=intervals_api_base_url, user_agent=user_agent, ) def get_config() -> Config: """ Get the configuration instance (singleton pattern). Returns: Config: The configuration instance. """ global _config_instance # pylint: disable=global-statement # noqa: PLW0603 - singleton pattern if _config_instance is None: _config_instance = load_config() return _config_instance