Delta MCP Server

"""Configuration management for Delta settings.""" import configparser import logging import os from pathlib import Path from typing import Optional, Dict, Any logger = logging.getLogger(__name__) class DeltaConfigManager: """Manages Delta configuration from Git config files.""" def __init__(self, git_config_path: Optional[str] = None): """Initialize config manager. Args: git_config_path: Path to Git config file (default: ~/.gitconfig or GIT_CONFIG_GLOBAL) """ self.config = configparser.ConfigParser() self.git_config_path = git_config_path or self._find_git_config() self._load_config() def _find_git_config(self) -> Path: """Find Git config file path. Returns: Path to Git config file """ # Check GIT_CONFIG_GLOBAL environment variable first env_config = os.environ.get("GIT_CONFIG_GLOBAL") if env_config: config_path = Path(env_config).expanduser() if config_path.exists(): return config_path # Default to ~/.gitconfig default_path = Path.home() / ".gitconfig" return default_path def _load_config(self) -> None: """Load configuration from Git config file.""" config_path = Path(self.git_config_path).expanduser() if not config_path.exists(): logger.debug(f"Git config file not found: {config_path}") return try: # Git config uses INI-like format but with some quirks # configparser can handle it with some adjustments with open(config_path, 'r', encoding='utf-8') as f: # Read and parse the config self.config.read_file(f) except Exception as e: logger.warning(f"Error loading Git config: {e}") def get_delta_config(self) -> Dict[str, Any]: """Get Delta configuration from [delta] section. Returns: Dictionary of Delta configuration options """ delta_config = {} if 'delta' in self.config: delta_section = self.config['delta'] for key, value in delta_section.items(): # Git config values are often quoted, remove quotes cleaned_value = value.strip('"\'') # Convert boolean strings if cleaned_value.lower() in ('true', 'yes', '1'): delta_config[key] = True elif cleaned_value.lower() in ('false', 'no', '0'): delta_config[key] = False else: delta_config[key] = cleaned_value return delta_config def get_option(self, option: str, default: Any = None) -> Any: """Get a specific Delta configuration option. Args: option: Option name (e.g., "syntax-theme") default: Default value if option not found Returns: Option value or default """ delta_config = self.get_delta_config() return delta_config.get(option, default) def merge_with_overrides(self, overrides: Dict[str, Any]) -> Dict[str, Any]: """Merge file config with parameter overrides. Args: overrides: Dictionary of configuration overrides Returns: Merged configuration dictionary """ base_config = self.get_delta_config() # Overrides take precedence merged = {**base_config, **overrides} return merged # Global config manager instance _config_manager: Optional[DeltaConfigManager] = None def get_config_manager(git_config_path: Optional[str] = None) -> DeltaConfigManager: """Get or create global config manager instance. Args: git_config_path: Optional path to Git config file Returns: DeltaConfigManager instance """ global _config_manager if _config_manager is None or git_config_path: _config_manager = DeltaConfigManager(git_config_path) return _config_manager