__init__.py 文件源码

def __init__(self, _class, *, port, secret=None):
        if secret is None:
            secret = 'secret'

        self._class = _class
        self._port = int(port)
        self._secret = binascii.hexlify(
            hashlib.pbkdf2_hmac('sha256', secret.encode('utf-8'), str(port).encode('utf-8'), 100000)
        )
        self._instance = None
        self._new_instance = False