"""
Exceptions that can occur when testing an input image.
"""

class Error(Exception):
    """Base class for exceptions.

    Arguments:
        message: String of the reason the exception was raised
    """
    def __init__(self, message=''):
        super(Error, self).__init__(message)
        self.message = message

    def __str__(self):
        return self.message

class ConfigError(Error):
    """Base class for exceptions caused by incorrect input configurations."""
    pass

class InvalidInputError(ConfigError):
    """Raised when an input configuration is invalid."""
    pass

class RequiredConfigError(ConfigError):
    """Raised when an input configuration is needed but missing."""
    pass

class TypeConfigError(ConfigError):
    """Raised when an input configuration is the incorrect type."""
    pass

class UnsupportedConfigError(ConfigError):
    """Raised when an input configuration is not supported."""
    pass

class LibError(Error):
    """Raised when the shared C library encounters an error."""
    pass