我已经安装了Python 3.7.8。在我的机器上。当我尝试安装python face_recognition库时，出现一些错误，提示需要安装cmake和visual c ++。然后我安装了cmake和visual c ++ 2015-2019。但是，当我尝试安装时，仍然出现以下错误。 请帮我解决这个问题。
C:\Users\prasa>pip3 install face_recognition
Collecting face_recognition
Using cached face_recognition-1.3.0-py2.py3-none-any.whl (15 kB)
Requirement already satisfied: face-recognition-models>=0.3.0 in c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages (from face_recognition) (0.3.0)
Requirement already satisfied numpy in c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages (from face_recognition) (1.18.5)
Requirement already satisfied: Pillow in c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages (from face_recognition) (7.2.0)
Requirement already satisfied: Click>=6.0 in c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages (from face_recognition) (7.1.2)
Collecting dlib>=19.7
Using cached dlib-19.21.0.tar.gz (3.2 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\prasa\appdata\local\programs\python\python37\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:\Users\prasa\AppData\Local\Temp\pip-wheel-y5alb_6d'
cwd: C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\
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 3.7.8 (tags/v3.7.8:4b47a5b6ba, Jun 28 2020, 08:53:46) [MSC v.1916 64 bit (AMD64)]
Invoking CMake setup: 'cmake C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\build\lib.win-amd64-3.7 -DPYTHON_EXECUTABLE=c:\users\prasa\appdata\local\programs\python\python37\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\build\lib.win-amd64-3.7 -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\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 262, in <module>
'Topic :: Software Development',
File "c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages\setuptools\__init__.py", line 144, in setup
return distutils.core.setup(**attrs)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 966, in run_commands
self.run_command(cmd)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages\wheel\bdist_wheel.py", line 290, in run
self.run_command('build')
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 135, in run
self.build_extension(ext)
File "C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 172, in build_extension
subprocess.check_call(cmake_setup, cwd=build_folder)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\subprocess.py", line 363, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\build\\lib.win-amd64-3.7', '-DPYTHON_EXECUTABLE=c:\\users\\prasa\\appdata\\local\\programs\\python\\python37\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\build\\lib.win-amd64-3.7', '-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, face-recognition
Running setup.py install for dlib ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\prasa\appdata\local\programs\python\python37\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\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 'C:\Users\prasa\AppData\Local\Temp\pip-record-h34wkq_s\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\prasa\appdata\local\programs\python\python37\Include\dlib'
cwd: C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\
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 3.7.8 (tags/v3.7.8:4b47a5b6ba, Jun 28 2020, 08:53:46) [MSC v.1916 64 bit (AMD64)]
Invoking CMake setup: 'cmake C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\build\lib.win-amd64-3.7 -DPYTHON_EXECUTABLE=c:\users\prasa\appdata\local\programs\python\python37\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\build\lib.win-amd64-3.7 -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\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 262, in <module>
'Topic :: Software Development',
File "c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages\setuptools\__init__.py", line 144, in setup
return distutils.core.setup(**attrs)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 966, in run_commands
self.run_command(cmd)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\site-packages\setuptools\command\install.py", line 61, in run
return orig.install.run(self)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\command\install.py", line 545, in run
self.run_command('build')
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 135, in run
self.build_extension(ext)
File "C:\Users\prasa\AppData\Local\Temp\pip-install-08cdgdia\dlib\setup.py", line 172, in build_extension
subprocess.check_call(cmake_setup, cwd=build_folder)
File "c:\users\prasa\appdata\local\programs\python\python37\lib\subprocess.py", line 363, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\build\\lib.win-amd64-3.7', '-DPYTHON_EXECUTABLE=c:\\users\\prasa\\appdata\\local\\programs\\python\\python37\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\build\\lib.win-amd64-3.7', '-A', 'x64']' returned non-zero exit status 1.
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\prasa\appdata\local\programs\python\python37\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\prasa\\AppData\\Local\\Temp\\pip-install-08cdgdia\\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 'C:\Users\prasa\AppData\Local\Temp\pip-record-h34wkq_s\install-record.txt' --single-version-externally-managed --compile --install-headers 'c:\users\prasa\appdata\local\programs\python\python37\Include\dlib' Check the logs for full command output.