openvino build failed from scratch in some platforms/OS - No module named 'skbuild'

[jhou5]

The issue was found when building some CentOS 7x analytics dev images with no previous docker cache.

Build Log：
Step 148/194 : RUN cd openvino/tools && python3 -m pip install -r benchmark/requirements.txt
---> Running in c4881aa00685
WARNING: Running pip install with root privileges is generally not a good idea. Try __main__.py install --user instead.
Collecting py-cpuinfo (from -r benchmark/requirements.txt (line 1))
Downloading https://files.pythonhosted.org/packages/f6/f5/8e6e85ce2e9f6e05040cf0d4e26f43a4718bcc4bce988b433276d4b1a5c1/py-cpuinfo-7.0.0.tar.gz (95kB)
Requirement already satisfied: numpy in /usr/local/lib64/python3.6/site-packages (from -r benchmark/requirements.txt (line 2))
Collecting progress (from -r benchmark/requirements.txt (line 3))
Downloading https://files.pythonhosted.org/packages/38/ef/2e887b3d2b248916fc2121889ce68af8a16aaddbe82f9ae6533c24ff0d2b/progress-1.5.tar.gz
Collecting opencv-python (from -r benchmark/requirements.txt (line 4))

Downloading https://files.pythonhosted.org/packages/a1/d6/8422797e35f8814b1d9842530566a949d9b5850a466321a6c1d5a99055ee/opencv-python-4.3.0.38.tar.gz (88.0MB)
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "/tmp/pip-build-drgaf_sg/opencv-python/setup.py", line 9, in
import skbuild
ModuleNotFoundError: No module named 'skbuild'

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-drgaf_sg/opencv-python/
The command '/bin/sh -c cd openvino/tools && python3 -m pip install -r benchmark/requirements.txt' returned a non-zero code: 1

[koles289]

Hi, I have exactly the same problem after downloading OpenVino toolkit for linux with FPGA support version 2020.4.287.
May I ask, if I download the most recent version, the error will be solved?

[Grandmother]

Hi, this problem is described in issue in official opencv-python repo and in their FAQ.

[jhou5]

add below package would fix this issue: pip3 install scikit-build, you can refer to PR #550 . The fix is already in master and v20.7 branch.