A pickleable wrapper for sharing numpy ndarray between processes
import numpy as np
import shared_ndarray as sn
import multiprocessing as mp
data = np.ones((1920, 1080, 3), dtype=np.uint8)
q = mp.Queue()
# put
arr = sn.from_numpy(data)
q.put(arr)
# get
arr: sn.SharedNDArray = q.get()
arr_copy = arr.clone_numpy()
arr.unlink()build in docker
docker run --rm -it -v $(PWD):/home/python-shared-ndarray python:3.12 bash
pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
pip install -r requirements.txt
make build cross compile
not planned to do this
https://stackoverflow.com/questions/48518055/cross-compile-extension-on-linux-for-windows