dlib不安装（cmake）

Question

嗨，我正在尝试通过CMake安装DLIB，但我一直遇到错误：Legacy-install-failure 这是完整的读数 （我已经用用户替换了我的实际用户名）。 /strong>

>C:\Users\USER->pip install dlib
Collecting dlib
  Using cached dlib-19.23.1.tar.gz (7.4 MB)
  Preparing metadata (setup.py) ... done
Using legacy 'setup.py install' for dlib, since package 'wheel' is not installed.
Installing collected packages: dlib
  Running setup.py install for dlib ... error
  error: subprocess-exited-with-error
  × Running setup.py install for dlib did not run successfully.
  │ exit code: 1
  ╰─> [73 lines of output]
      running install
      C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\command\install.py:34: SetuptoolsDeprecationWarning: setup.py install is deprecated. Use build and pip and other standards-based tools.
        warnings.warn(
      running build
      running build_py
      package init file 'tools\python\dlib\__init__.py' not found (or not a regular file)
      running build_ext
      C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\setup.py:129: DeprecationWarning: distutils Version classes are deprecated. Use packaging.version instead.
        if LooseVersion(cmake_version) < '3.1.0':
      Building extension for Python 3.10.4 (tags/v3.10.4:9d38120, Mar 23 2022, 23:13:41) [MSC v.1929 64 bit (AMD64)]
      Invoking CMake setup: 'cmake C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\build\lib.win-amd64-3.10 -DPYTHON_EXECUTABLE=C:\Users\USER-\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\build\lib.win-amd64-3.10 -A x64'
      -- Building for: NMake Makefiles
      CMake Error at CMakeLists.txt:5 (message):
        !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
        You must use Visual Studio to build a python extension on windows.  If you
        are getting this error it means you have not installed Visual C++.  Note
        that there are many flavors of Visual Studio, like Visual Studio for C#
        development.  You need to install Visual Studio for C++.
        !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
      -- Configuring incomplete, errors occurred!
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>
        File "C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\setup.py", line 222, in <module>
          setup(
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\__init__.py", line 79, in setup
          return distutils.core.setup(**attrs)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\core.py", line 148, in setup
          return run_commands(dist)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\core.py", line 163, in run_commands
          dist.run_commands()
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\dist.py", line 967, in run_commands
          self.run_command(cmd)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\dist.py", line 1196, in run_command
          super().run_command(command)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\dist.py", line 986, in run_command
          cmd_obj.run()
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\command\install.py", line 68, in run
          return orig.install.run(self)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\command\install.py", line 670, in run
          self.run_command('build')
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\cmd.py", line 313, in run_command
          self.distribution.run_command(command)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\dist.py", line 1196, in run_command
          super().run_command(command)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\dist.py", line 986, in run_command
          cmd_obj.run()
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\command\build.py", line 135, in run
          self.run_command(cmd_name)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\cmd.py", line 313, in run_command
          self.distribution.run_command(command)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\dist.py", line 1196, in run_command
          super().run_command(command)
        File "C:\Users\USER-\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\setuptools\_distutils\dist.py", line 986, in run_command
          cmd_obj.run()
        File "C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\setup.py", line 134, in run
          self.build_extension(ext)
        File "C:\Users\USER-\AppData\Local\Temp\pip-install-q7gocxf3\dlib_ba1eccb06b884bc4a89365e82ab2b34f\setup.py", line 171, in build_extension
          subprocess.check_call(cmake_setup, cwd=build_folder)
        File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.1264.0_x64__qbz5n2kfra8p0\lib\subprocess.py", line 369, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\USER-\\AppData\\Local\\Temp\\pip-install-q7gocxf3\\dlib_ba1eccb06b884bc4a89365e82ab2b34f\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\USER-\\AppData\\Local\\Temp\\pip-install-q7gocxf3\\dlib_ba1eccb06b884bc4a89365e82ab2b34f\\build\\lib.win-amd64-3.10', '-DPYTHON_EXECUTABLE=C:\\Users\\USER-\\AppData\\Local\\Microsoft\\WindowsApps\\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\USER-\\AppData\\Local\\Temp\\pip-install-q7gocxf3\\dlib_ba1eccb06b884bc4a89365e82ab2b34f\\build\\lib.win-amd64-3.10', '-A', 'x64']' returned non-zero exit status 1.
      [end of output]
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure
× Encountered error while trying to install package.
╰─> dlib
note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.

Answer 1

在PC上下载CMAKE可执行文件，安装并安装Visual Studio Build Tools为C ++安装CMAKE构建工具。使用Visual Studio构建工具安装CMAKE后，您需要从此github repo下载dlib wheel文件： https://github.com/tobyyosoba77777/computer-vision-vision-epencv-python-/tree/main/main/main/libraries

下载：下载：
dlib-12.22.99-cp39-cp39-win_amd64.whl

和下载：
dlib-129.22.99.win-amd64-py3.9.exe

在PC上安装.exe文件，重新启动（不需要）并打开下载的.WHL文件的当前目录，并将其保存在您的PC中python/ anaconda端子/ cmd：

例如：

c：\ users \ user-＆gt; cd桌面
“如果将文件下载到桌面”
此命令将使您转移到.WHL文件的当前目录

然后输入：
“ pip install dlib-122.99-cp39-cp39-win_amd64.whl”

应该有效

Answer 2

dlib 文档说：

我们还应该特别注意与使用Visual Studio使用预编译的C ++库有关的问题。 TLDR是，除非您真的知道自己在做什么，否则不应将预编译的库（即.lib文件）使用。这不是DLIB的限制。它与Dlib无关。这就是Visual Studio的工作方式。请不要问我。如果您想了解这一点，则应阅读Visual Studio文档，尤其是如此出色的概述。

有了那个蜜蜂，他们很可能不会与安装程序一起运送预先编译的库，并且为了在Windows上使用它，您必须自己编译它，并且要编译它，您需要Visual Studio（Mingw或Clang或Clang不会工作）。

如果您不介意在系统中安装另一个Python实例，则可以使用Conda进行预编译DLIB。