# Source code for canlib.exceptions

    from . import deprecation

    class CanlibException(Exception):
        """Base class for all exceptions in canlib"""

        pass

    class DllException(CanlibException):
        """Base class for exceptions from dll calls in canlib

        All instances of this class must have a `status` attribute defined (this is
        enforced in the constructor). Its value is the status code that caused the
        exception.

        """

        @staticmethod
        def _get_error_text(status):
            return "Unknown error text (%d)" % status

        def __init__(self):
            assert hasattr(self, 'status'), "DllExceptions must have a status attribute"
            super(DllException, self).__init__(self._get_error_text(self.status))

        canERR = deprecation.attr_replaced("canERR", "status")