class ConsoleError(Exception): """An error in console operation.""" class StyleError(Exception): """An error in styles.""" class StyleSyntaxError(ConsoleError): """Style was badly formatted.""" class MissingStyle(StyleError): """No such style.""" class StyleStackError(ConsoleError): """Style stack is invalid.""" class NotRenderableError(ConsoleError): """Object is not renderable.""" class MarkupError(ConsoleError): """Markup was badly formatted.""" class LiveError(ConsoleError): """Error related to Live display.""" class NoAltScreen(ConsoleError): """Alt screen mode was required."""