Dynamic Per-User Tool Generation MCP Server

""" Custom Exceptions for Elasticsearch Search Library Provides a clear exception hierarchy for different error scenarios. """ class SearchLibraryError(Exception): """ Base exception for all library errors. All custom exceptions in this library inherit from this base class, allowing callers to catch all library-specific errors with a single except clause. """ pass class ConfigurationError(SearchLibraryError): """ Raised when there's an error in configuration. Examples: - Invalid XML syntax - Missing required configuration fields - Invalid configuration values - Configuration file not found """ pass class EntityNotFoundError(SearchLibraryError): """ Raised when an entity type is not found in configuration. Examples: - Searching for unsupported entity type - Requesting configuration for non-existent entity """ def __init__(self, entity_type: str, available_entities: list[str] = None): """ Initialize EntityNotFoundError. Args: entity_type: The entity type that was not found available_entities: List of available entity types """ self.entity_type = entity_type self.available_entities = available_entities or [] if self.available_entities: message = ( f"Entity type '{entity_type}' not found. " f"Available types: {', '.join(self.available_entities)}" ) else: message = f"Entity type '{entity_type}' not found" super().__init__(message) class SearchExecutionError(SearchLibraryError): """ Raised when search execution fails. Examples: - Elasticsearch connection error - Index not found - Query execution error - Timeout errors """ def __init__(self, message: str, entity_type: str = None, query: str = None): """ Initialize SearchExecutionError. Args: message: Error message entity_type: Entity type being searched (optional) query: Search query (optional) """ self.entity_type = entity_type self.query = query if entity_type and query: full_message = f"Search failed for entity '{entity_type}' with query '{query}': {message}" elif entity_type: full_message = f"Search failed for entity '{entity_type}': {message}" else: full_message = f"Search failed: {message}" super().__init__(full_message) class ValidationError(SearchLibraryError): """ Raised when input validation fails. Examples: - Empty search query - Invalid limit values - Invalid offset values - Invalid field names """ pass