def __init__(self, username=None, name=None, version=None,
                 repository=None, meta=False):
        self.username = username
        self.name = name
        self.version = version if version else 'latest'
        self.repository = repository
        self.meta = meta
        self.description = None
        self.tags = []
        self.enabled = False
        self.napp_dependencies = []