Source code for handwriting_features.features.exceptions.validation

class FeatureNameMissingError(Exception):
    """Raised when a feature name is missing"""
    pass





class FeatureNameInvalidTypeError(Exception):
    """Raised when a feature name is of invalid type"""
    pass





class FeatureNameUnsupportedError(Exception):
    """Raised when a feature name us not supported"""
    pass





class FeatureArgumentMissingError(Exception):
    """Raised when a mandatory feature argument is missing"""
    pass





class FeatureArgumentInvalidTypeError(Exception):
    """Raised when a mandatory feature argument is of invalid type"""
    pass





class FeatureArgumentUnsupportedValueError(Exception):
    """Raised when a mandatory feature argument has unsupported value"""
    pass





class StatisticsForSingleValuedFeatureError(Exception):
    """Raised when statistics are to be computed for a single-valued feature"""
    pass