Defaulting to user installation because normal site-packages is not writeable
Collecting PyQt5-sip
Using cached PyQt5_sip-12.13.0.tar.gz (123 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: PyQt5-sip
Building wheel for PyQt5-sip (pyproject.toml) ... error
error: subprocess-exited-with-error
× Building wheel for PyQt5-sip (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [5 lines of output]
running bdist_wheel
running build
running build_ext
building 'PyQt5.sip' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for PyQt5-sip
Failed to build PyQt5-sip
ERROR: Could not build wheels for PyQt5-sip, which is required to install pyproject.toml-based projects
标签：sip,14.0,C++,PyQt5,build,error,Microsoft From： https://www.cnblogs.com/flyingsir/p/18066119