class FactoryException(Exception): """Base Factory error class""" class ConfigurationException(FactoryException): """Configuration Error class - used for misconfiguration""" class ParameterException(FactoryException): """Parameter exception - used when wrong parameters are used""" class MissingBuildKwargException(FactoryException): """Missing Build Kwarg exception - used when a required build kwarg is not provided""" class MissingDependencyException(FactoryException, ImportError): """Missing dependency exception - used when a dependency is not installed"""