dlib 没有安装 pycharm，如何解决？没有其他帖子有帮助。我需要使用 python 3.9

Question

我无法在我的计算机上安装 dlib。它给了我这个错误，但没有其他帖子对我有帮助。我一直在寻找几个小时，但无济于事。我不熟悉 pip 命令，所以这个错误并没有告诉我任何有意义的信息。有经验的人可以告诉我为什么这不起作用吗？我已经尝试重新安装 Microsoft Visual Studio C++ 2015，但没有成功。安装 CMake 也不起作用。有人可以帮我解决这个问题吗？

错误：

pip install dlib
Collecting dlib
  Using cached dlib-19.22.1.tar.gz (7.4 MB)
Building wheels for collected packages: dlib
  Building wheel for dlib (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: 'C:\Users\danie\Desktop\pythonProject\venv\Scripts\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\danie\\AppData
\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"'; __file__='"'"'C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\d
lib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setupto
ols import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\
danie\AppData\Local\Temp\pip-wheel-aho58vt2'
       cwd: C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\
  Complete output (58 lines):
  running bdist_wheel
  running build
  running build_py
  package init file 'tools\python\dlib\__init__.py' not found (or not a regular file)
  running build_ext
  Building extension for Python 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)]
  Invoking CMake setup: 'cmake C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTOR
Y=C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\build\lib.win-amd64-3.9 -DPYTHON_EXECUTABLE=C:\Users\danie\Desktop\python
Project\venv\Scripts\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\bu
ild\lib.win-amd64-3.9 -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 1, in <module>
    File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 222, in <module>
      setup(
    File "C:\Users\danie\Desktop\pythonProject\venv\lib\site-packages\setuptools\__init__.py", line 153, in setup
      return distutils.core.setup(**attrs)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\core.py", line 148, in setup
      dist.run_commands()
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\danie\Desktop\pythonProject\venv\lib\site-packages\wheel\bdist_wheel.py", line 299, in run
      self.run_command('build')
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\command\build.py", line 135, in run
      self.run_command(cmd_name)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
      cmd_obj.run()
    File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 134, in run
      self.build_extension(ext)
    File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 171, in build_extension
      subprocess.check_call(cmake_setup, cwd=build_folder)
    File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 373, in check_call
      raise CalledProcessError(retcode, cmd)
  subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\tools\\python'
, '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\build\\lib.win-amd64-3.9', '-DP
YTHON_EXECUTABLE=C:\\Users\\danie\\Desktop\\pythonProject\\venv\\Scripts\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\danie\\AppData\\Local\\Temp\
\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\build\\lib.win-amd64-3.9', '-A', 'x64']' returned non-zero exit status 1.
  ----------------------------------------
  ERROR: Failed building wheel for dlib
  Running setup.py clean for dlib
Failed to build dlib
Installing collected packages: dlib
    Running setup.py install for dlib ... error
    ERROR: Command errored out with exit status 1:
     command: 'C:\Users\danie\Desktop\pythonProject\venv\Scripts\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\danie\\AppDa
ta\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"'; __file__='"'"'C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\
\dlib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setup
tools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:\Us
ers\danie\AppData\Local\Temp\pip-record-3n7tervb\install-record.txt' --single-version-externally-managed --compile --install-headers 'C:\Users\danie\Desktop\pythonProje
ct\venv\include\site\python3.9\dlib'
         cwd: C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\
    Complete output (60 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
    Building extension for Python 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)]
    Invoking CMake setup: 'cmake C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECT
ORY=C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\build\lib.win-amd64-3.9 -DPYTHON_EXECUTABLE=C:\Users\danie\Desktop\pyth
onProject\venv\Scripts\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\
build\lib.win-amd64-3.9 -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 1, in <module>
      File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 222, in <module>
        setup(
      File "C:\Users\danie\Desktop\pythonProject\venv\lib\site-packages\setuptools\__init__.py", line 153, in setup
        return distutils.core.setup(**attrs)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\core.py", line 148, in setup
        dist.run_commands()
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "C:\Users\danie\Desktop\pythonProject\venv\lib\site-packages\setuptools\command\install.py", line 61, in run
        return orig.install.run(self)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\command\install.py", line 546, in run
        self.run_command('build')
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\command\build.py", line 135, in run
        self.run_command(cmd_name)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\distutils\dist.py", line 985, in run_command
        cmd_obj.run()
      File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 134, in run
        self.build_extension(ext)
      File "C:\Users\danie\AppData\Local\Temp\pip-install-qaxhyxsu\dlib_74869802ec0f4350b1acbcfa765926a5\setup.py", line 171, in build_extension
        subprocess.check_call(cmake_setup, cwd=build_folder)
      File "C:\Users\danie\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 373, in check_call
        raise CalledProcessError(retcode, cmd)
    subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\tools\\pytho
n', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\build\\lib.win-amd64-3.9', '-
DPYTHON_EXECUTABLE=C:\\Users\\danie\\Desktop\\pythonProject\\venv\\Scripts\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\danie\\AppData\\Local\\Tem
p\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\build\\lib.win-amd64-3.9', '-A', 'x64']' returned non-zero exit status 1.
    ----------------------------------------
ERROR: Command errored out with exit status 1: 'C:\Users\danie\Desktop\pythonProject\venv\Scripts\python.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[
0] = '"'"'C:\\Users\\danie\\AppData\\Local\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"'; __file__='"'"'C:\\Users\\danie\\AppData\\L
ocal\\Temp\\pip-install-qaxhyxsu\\dlib_74869802ec0f4350b1acbcfa765926a5\\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__)
 else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exe
c'"'"'))' install --record 'C:\Users\danie\AppData\Local\Temp\pip-record-3n7tervb\install-record.txt' --single-version-externally-managed --compile --install-headers 'C
:\Users\danie\Desktop\pythonProject\venv\include\site\python3.9\dlib' Check the logs for full command output.
WARNING: You are using pip version 21.1.2; however, version 21.3.1 is available.
You should consider upgrading via the 'C:\Users\danie\Desktop\pythonProject\venv\Scripts\python.exe -m pip install --upgrade pip' command.

Answer 1

在我安装了所有 Visual Studio 构建的东西后它工作了（全部 80 gb） 仅适用于将来来此的任何人