from __future__ import annotations import bitstring from bitstring.bitstream import BitStream from bitstring.utils import tokenparser from bitstring.exceptions import CreationError from typing import Union, List from bitstring.bitstore import BitStore from bitstring.bitstore_helpers import bitstore_from_token def pack(fmt: Union[str, List[str]], *values, **kwargs) -> BitStream: """Pack the values according to the format string and return a new BitStream. fmt -- A single string or a list of strings with comma separated tokens describing how to create the BitStream. values -- Zero or more values to pack according to the format. kwargs -- A dictionary or keyword-value pairs - the keywords used in the format string will be replaced with their given value. Token examples: 'int:12' : 12 bits as a signed integer 'uint:8' : 8 bits as an unsigned integer 'float:64' : 8 bytes as a big-endian float 'intbe:16' : 2 bytes as a big-endian signed integer 'uintbe:16' : 2 bytes as a big-endian unsigned integer 'intle:32' : 4 bytes as a little-endian signed integer 'uintle:32' : 4 bytes as a little-endian unsigned integer 'floatle:64': 8 bytes as a little-endian float 'intne:24' : 3 bytes as a native-endian signed integer 'uintne:24' : 3 bytes as a native-endian unsigned integer 'floatne:32': 4 bytes as a native-endian float 'hex:80' : 80 bits as a hex string 'oct:9' : 9 bits as an octal string 'bin:1' : single bit binary string 'ue' / 'uie': next bits as unsigned exp-Golomb code 'se' / 'sie': next bits as signed exp-Golomb code 'bits:5' : 5 bits as a bitstring object 'bytes:10' : 10 bytes as a bytes object 'bool' : 1 bit as a bool 'pad:3' : 3 zero bits as padding >>> s = pack('uint:12, bits', 100, '0xffe') >>> t = pack(['bits', 'bin:3'], s, '111') >>> u = pack('uint:8=a, uint:8=b, uint:55=a', a=6, b=44) """ pass