安装 face_recognition 时出现“错误：必须安装 CMake 才能构建 dlib”

Question

我在 Ubuntu 20.04 上使用 Python 3.8.10 在 virtualenv 中安装 face_recognition 时遇到此错误。

ERROR: Failed building wheel for face-recognition-models
  Running setup.py clean for face-recognition-models
Failed to build dlib face-recognition-models
Installing collected packages: Click, numpy, dlib, face-recognition-models, face-recognition
    Running setup.py install for dlib ... error
    ERROR: Command errored out with exit status 1:
     command: '/home/badrelden/Desktop/test python sound/venv/bin/python3' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tai2snq9/dlib/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tai2snq9/dlib/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-bhy0sde6/install-record.txt --single-version-externally-managed --compile --install-headers '/home/badrelden/Desktop/test python sound/venv/include/site/python3.8/dlib'
         cwd: /tmp/pip-install-tai2snq9/dlib/
    Complete output (8 lines):
    running install
    running build
    running build_py
    package init file 'tools/python/dlib/__init__.py' not found (or not a regular file)
    running build_ext
    
    ERROR: CMake must be installed to build dlib
    
    ----------------------------------------
ERROR: Command errored out with exit status 1: '/home/badrelden/Desktop/test python sound/venv/bin/python3' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tai2snq9/dlib/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tai2snq9/dlib/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-bhy0sde6/install-record.txt --single-version-externally-managed --compile --install-headers '/home/badrelden/Desktop/test python sound/venv/include/site/python3.8/dlib' Check the logs for full command output.

Answer 1

ERROR: CMake must be installed to build dlib

这是错误消息的关键部分。 需要安装cmake，在基于Debian的系统上运行sudo apt install cmake即可完成，包括Ubuntu。cmake安装完成后，可以重新运行pip install命令。