ctypes_struct.py

import ctypes

class MyStruct(ctypes.LittleEndianStructure):
    _fields_ = (
        ('x', ctypes.c_float),
        ('y', ctypes.c_float),
        ('velocity', ctypes.c_int32),
        ('weight', ctypes.c_uint32)
    )

    def __str__(self):
        return f'MyStruct(x={self.x}, y={self.y}, v={self.velocity}, w={self.weight})'

data = MyStruct(x=1.2345, y=5e1337, velocity=-30, weight=70)

serialized = bytes(data)
print(serialized)

deserialized = MyStruct.from_buffer_copy(serialized)
print(data, deserialized)
print(data == deserialized)
print(data is deserialized)