#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Contains custom Exceptions used in ffstatus.
"""


class SanityCheckError(Exception):
    """Thrown by the .sanitycheck() functions."""

    def __init__(self, source, message, exception=None):
        msg = '{{{0}}} {1}'.format(source, message)
        if exception is not None:
            msg += ': ' + str(exception)
        Exception.__init__(self, msg)


class VpnKeyFormatError(Exception):
    """Thrown by BaseStorage on invalid VPN keys."""

    def __init__(self, key):
        Exception.__init__(self)
        self.key = key

    def __str__(self):
        return 'The VPN key has an invalid format: ' + repr(self.key)