'''
This file defines symbols used to make communication between
hooks/plugins/extensions and core of climl.
'''

class HookError(Exception):
    '''
        Base class for hooks exception, they should not use this directly
    '''

    pass

class HookAbortError(HookError):
    '''
        This exception is used to indicate to core of climl it should not mark
        email \Seen for now.
    '''

    pass