ERROR: Could not build wheels for cmake which use PEP 517 and cannot be installed directly

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After I updated my Mac to Big Sur, I made a mistake that deleted my old python version. I tried to install python3.7 by homebrew, but meet many problems with pip.

For example, I use pip to install pandas, but it takes a really long time to "Building wheel for pandas (PEP 517)". And when I use pip to install opencv-python, I get error like: "ERROR: Could not build wheels for cmake which use PEP 517 and cannot be installed directly".

In the past, I never care PEP 517 and cmake, but now they trouble me so much.

https://i.stack.imgur.com/IrhuS.png

cmake python
1 Answers

I'm not an expert in cmake, but I found that it was sufficient to:

pip install cmake

or perhaps

python3 -m pip install -U cmake

(I didn't try the latter, since the first was sufficient to get opencv-python to install...) HTH.

user_5586390
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