.. _ref-exceptions: .. module:: trytond.exceptions ========== Exceptions ========== .. exception:: TrytonException The base class for all Tryton exceptions. .. exception:: UserError(message[, description[, domain]]) The base class for exceptions used to display an error message to users. The domain may be a 2-tuple containing a :ref:`domain ` and a dictionary of field definitions used to format the domain and append to the description. .. exception:: UserWarning(name, message[, description]) The base class for exceptions used to display a warning message to users. .. exception:: LoginExceptions(name, message[, type]) The exception used to request ``name`` parameter for the login process. .. exception:: ConcurrencyException(message) The exception raised on concurrent modification. .. exception:: RateLimitException The exception raised when user has sent too many login requests. .. exception:: MissingDependenciesException(missings) The exception raised when modules are missing. .. module:: trytond.model.exceptions .. exception:: AccessError The exception raised when trying to access a record without the rights. .. exception:: AccessButtonError The exception raised when trying to execute a button without the rights. .. exception:: ImportDataError The exception raises when importing data fails. .. exception:: ValidationError The base class for all record validation error. .. exception:: DomainValidationError The exception raised when the domain of a field is not valid. .. exception:: RequiredValidationError The exception raised when a required field is empty. .. exception:: SizeValidationError The exception raised when the size of a field is too big. .. exception:: DigitsValidationError The exception raised when the value of a field does not respect its digits. .. exception:: SelectionValidationError The exception raised when the value is not in the selection. .. exception:: TimeFormatValidationError The exception raised when the time format of a field is not respected. .. exception:: ForeignKeyError The exception raised when a foreign key is not respected. .. exception:: SQLConstraintError The exception raised when a :attr:`~trytond.model.ModelSQL._sql_constraints` is not respected. .. exception:: RecursionError The exception raised by :class:`~trytond.model.TreeMixin.check_recursion`.