opencv-python的构建轮持续运行很长时间

Question

opencv-python 的 Building Wheel 在构建 docker 镜像时会持续运行很长时间。可以做些什么来使其运行得更快？

运行 pip install opencv-python

Collecting opencv-python
  Downloading opencv-python-4.6.0.66.tar.gz (90.3 MB)

...

  Preparing metadata (pyproject.toml): started
  Preparing metadata (pyproject.toml): finished with status 'done'
Building wheels for collected packages: opencv-python, numpy
  Building wheel for opencv-python (pyproject.toml): started
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...   
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...
  Building wheel for opencv-python (pyproject.toml): still running...

Answer 1

我在低级别机器上也遇到了同样的问题。实际上需要很长时间，但后端没有任何问题。运行安装命令，--verbose以便您可以看到后面实际发生的情况。

当我运行代码时：

sudo pip install opencv-python --verbose

我能够跟踪该过程并检查安装百分比。所以 30 分钟后，它仍然完成了 30% - :) 一台非常低的机器，但我们有时需要安装它 - 经过一点耐心，2 小时后它完成了，所以无论谁遇到这个错误，这都可能对他们有帮助。