uuidv7/src/uuidv7.py at main · nalgeon/uuidv7

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import os

import time

def uuidv7():

# random bytes

value = bytearray(os.urandom(16))

# current timestamp in ms

timestamp = int(time.time() * 1000)

# timestamp

value[0] = (timestamp >> 40) & 0xFF

value[1] = (timestamp >> 32) & 0xFF

value[2] = (timestamp >> 24) & 0xFF

value[3] = (timestamp >> 16) & 0xFF

value[4] = (timestamp >> 8) & 0xFF

value[5] = timestamp & 0xFF

# version and variant

value[6] = (value[6] & 0x0F) | 0x70

value[8] = (value[8] & 0x3F) | 0x80

return value

if __name__ == "__main__":

uuid_val = uuidv7()

print("".join(f"{byte:02x}" for byte in uuid_val))

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