class PackageNotFoundException(BaseException):
    """ Thrown when a package is not found """
    pass

class SeriesNotFoundException(BaseException):
    """ Thrown when a distroseries is not found """
    pass

class PocketDoesNotExistError(Exception):
    '''Raised when a invalid pocket is used.'''
    pass

class ArchiveNotFoundException(BaseException):
    """ Thrown when an archive for a distibution is not found """
    pass

class AlreadyLoggedInError(Exception):
    '''Raised when a second login is attempted.'''
    pass