def __init__(self, fin=0, rsv1=0, rsv2=0, rsv3=0,
                 opcode=OPCODE_TEXT, mask=1, data=""):
        self.fin = fin
        self.rsv1 = rsv1
        self.rsv2 = rsv2
        self.rsv3 = rsv3
        self.opcode = opcode
        self.mask = mask
        self.data = data
        self.get_mask_key = os.urandom
Constructor for ABNF.
dataset/ETHPy150Open tomwilkie/awesomation/third_party/py/websocket-client/websocket.py/ABNF.__init__