config.py•3.69 kB
"""
Configuration module for Things MCP.
Stores settings and user-specific configuration values.
"""
import os
import json
import logging
from pathlib import Path
logger = logging.getLogger(__name__)
# Default configuration values
DEFAULT_CONFIG = {
"things_auth_token": "", # Empty by default, must be set by user
"retry_attempts": 3,
"retry_delay": 1.0
}
# Path to the configuration file
CONFIG_DIR = Path.home() / ".things-mcp"
CONFIG_FILE = CONFIG_DIR / "config.json"
# Global configuration dictionary
_config = None
def load_config():
"""Load configuration from file, create with defaults if it doesn't exist."""
global _config
# Create config directory if it doesn't exist
if not CONFIG_DIR.exists():
try:
CONFIG_DIR.mkdir(parents=True)
logger.info(f"Created configuration directory: {CONFIG_DIR}")
except Exception as e:
logger.error(f"Failed to create config directory: {e}")
return DEFAULT_CONFIG
# Check if config file exists
if not CONFIG_FILE.exists():
# Create default config file
try:
with open(CONFIG_FILE, 'w') as f:
json.dump(DEFAULT_CONFIG, f, indent=2)
logger.info(f"Created default configuration file: {CONFIG_FILE}")
_config = DEFAULT_CONFIG.copy()
except Exception as e:
logger.error(f"Failed to create config file: {e}")
_config = DEFAULT_CONFIG.copy()
else:
# Load existing config
try:
with open(CONFIG_FILE, 'r') as f:
loaded_config = json.load(f)
# Ensure all required keys are present
_config = DEFAULT_CONFIG.copy()
_config.update(loaded_config)
logger.info(f"Loaded configuration from: {CONFIG_FILE}")
except Exception as e:
logger.error(f"Failed to load config file: {e}")
_config = DEFAULT_CONFIG.copy()
return _config
def save_config():
"""Save current configuration to file."""
if _config is None:
logger.error("Cannot save config: No configuration loaded")
return False
try:
with open(CONFIG_FILE, 'w') as f:
json.dump(_config, f, indent=2)
logger.info(f"Saved configuration to: {CONFIG_FILE}")
return True
except Exception as e:
logger.error(f"Failed to save config: {e}")
return False
def get_config():
"""Get the current configuration, loading it if necessary."""
global _config
if _config is None:
_config = load_config()
return _config
def set_config_value(key, value):
"""Set a configuration value and save to file."""
config = get_config()
config[key] = value
return save_config()
def get_config_value(key, default=None):
"""Get a configuration value, return default if not found."""
config = get_config()
return config.get(key, default)
def get_things_auth_token():
"""Get the Things authentication token.
First checks environment variable THINGS_AUTH_TOKEN,
then falls back to config file.
"""
# Check environment variable first
token = os.environ.get('THINGS_AUTH_TOKEN')
if token:
logger.debug("Using Things auth token from environment variable")
return token
# Fall back to config file
return get_config_value("things_auth_token", "")
def set_things_auth_token(token):
"""Set the Things authentication token."""
return set_config_value("things_auth_token", token)
# Initialize configuration on module import
load_config()