環境
Python3.7
windows10
Python3.7
windows10
face_recognitionのインストールすると
あらまぁ!「Building wheel for dlib (setup.py) … error」を文頭に連続のエラーが!!
調べるのに1日半もかかったので、備忘録です。
何故インストールできないのか?【結論】
「dlib」はC++のlibraryだから、Python単体のインストールのみではインストールできないらしい
出力されたエラーからは dlibのwheelが構築されずにエラーになっていると記載されている。
↓以下は出力されたエラーの翻訳↓
dlibのビルドホイール(setup.py)...エラー
Building wheel for dlib (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: 'C:\Users\user\Anaconda3\envs\face_test\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\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\user\AppData\Local\Temp\pip-wheel-i8npmpmg'
cwd: C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\
Complete output (55 lines):
running bdist_wheel
running build
running build_py
package init file 'dlib\__init__.py' not found (or not a regular file)
running build_ext
Building extension for Python 3.7.7 (default, May 9 2020, 11:45:54) [MSC v.1916 64 bit (AMD64)]
Invoking CMake setup: 'cmake C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\build\lib.win-amd64-3.7 -DPYTHON_EXECUTABLE=C:\Users\user\Anaconda3\envs\face_test\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\build\lib.win-amd64-3.7 -A x64'
-- Building for: NMake Makefiles
CMake Error at CMakeLists.txt:3 (project):
Generator
NMake Makefiles
does not support platform specification, but platform
x64
was specified.
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
-- Configuring incomplete, errors occurred!
See also "C:/Users/user/AppData/Local/Temp/pip-install-f3b16jyg/dlib/build/temp.win-amd64-3.7/Release/CMakeFiles/CMakeOutput.log".
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 261, in
'Topic :: Software Development',
File "C:\Users\user\Anaconda3\envs\face_test\lib\site-packages\setuptools\__init__.py", line 144, in setup
return distutils.core.setup(**attrs)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 966, in run_commands
self.run_command(cmd)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\Anaconda3\envs\face_test\lib\site-packages\wheel\bdist_wheel.py", line 223, in run
self.run_command('build')
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 135, in run
self.build_extension(ext)
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 172, in build_extension
subprocess.check_call(cmake_setup, cwd=build_folder)
File "C:\Users\user\Anaconda3\envs\face_test\lib\subprocess.py", line 363, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\build\\lib.win-amd64-3.7', '-DPYTHON_EXECUTABLE=C:\\Users\\user\\Anaconda3\\envs\\face_test\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\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: face-recognition-models, Pillow, dlib, Click, face-recognition
Running setup.py install for dlib ... error
ERROR: Command errored out with exit status 1:
command: 'C:\Users\user\Anaconda3\envs\face_test\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\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\user\AppData\Local\Temp\pip-record-rrnx1meu\install-record.txt' --single-version-externally-managed --compile --install-headers 'C:\Users\user\Anaconda3\envs\face_test\Include\dlib'
cwd: C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\
Complete output (57 lines):
running install
running build
running build_py
package init file 'dlib\__init__.py' not found (or not a regular file)
running build_ext
Building extension for Python 3.7.4 (default, August 6 2020, 11:45:54) [MSC v.1916 64 bit (AMD64)]
Invoking CMake setup: 'cmake C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\tools\python -DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\build\lib.win-amd64-3.7 -DPYTHON_EXECUTABLE=C:\Users\user\Anaconda3\envs\face_test\python.exe -DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\build\lib.win-amd64-3.7 -A x64'
-- Building for: NMake Makefiles
CMake Error at CMakeLists.txt:3 (project):
Generator
NMake Makefiles
does not support platform specification, but platform
x64
was specified.
CMake Error: CMAKE_C_COMPILER not set, after EnableLanguage
CMake Error: CMAKE_CXX_COMPILER not set, after EnableLanguage
-- Configuring incomplete, errors occurred!
See also "C:/Users/user/AppData/Local/Temp/pip-install-f3b16jyg/dlib/build/temp.win-amd64-3.7/Release/CMakeFiles/CMakeOutput.log".
Traceback (most recent call last):
File "", line 1, in
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 261, in
'Topic :: Software Development',
File "C:\Users\user\Anaconda3\envs\face_test\lib\site-packages\setuptools\__init__.py", line 144, in setup
return distutils.core.setup(**attrs)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\core.py", line 148, in setup
dist.run_commands()
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 966, in run_commands
self.run_command(cmd)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\Anaconda3\envs\face_test\lib\site-packages\setuptools\command\install.py", line 61, in run
return orig.install.run(self)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\command\install.py", line 545, in run
self.run_command('build')
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\command\build.py", line 135, in run
self.run_command(cmd_name)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\cmd.py", line 313, in run_command
self.distribution.run_command(command)
File "C:\Users\user\Anaconda3\envs\face_test\lib\distutils\dist.py", line 985, in run_command
cmd_obj.run()
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 135, in run
self.build_extension(ext)
File "C:\Users\user\AppData\Local\Temp\pip-install-f3b16jyg\dlib\setup.py", line 172, in build_extension
subprocess.check_call(cmake_setup, cwd=build_folder)
File "C:\Users\user\Anaconda3\envs\face_test\lib\subprocess.py", line 363, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', 'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\tools\\python', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\build\\lib.win-amd64-3.7', '-DPYTHON_EXECUTABLE=C:\\Users\\user\\Anaconda3\\envs\\face_test\\python.exe', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\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\user\Anaconda3\envs\face_test\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\dlib\\setup.py'"'"'; __file__='"'"'C:\\Users\\user\\AppData\\Local\\Temp\\pip-install-f3b16jyg\\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\user\AppData\Local\Temp\pip-record-rrnx1meu\install-record.txt' --single-version-externally-managed --compile --install-headers 'C:\Users\user\Anaconda3\envs\face_test\Include\dlib' Check the logs for full command output.
解決方法
Visual Studio Community Editionが未インストールの場合
Visual Studio Community Editionをインストール後、
初期表示される開発環境から【C++によるデスクトップ開発】をインストールします。
前提条件として以下の条件が整えば簡単にインストールできるようです。
・Python 3.5
・Visual Studio Community Edition
参考サイト Windows での Python 2.7, 3.4, 3.5 の拡張モジュールビルド環境
※ちなみに以下の組み合わせでもOKでした。
Python3.7&Visual Studio Community Edition2017
Python3.8&Visual Studio Community Edition2019
Visual Studio Community Editionをインストール済の場合
スタート>>Visual Studio Installerから

変更をクリックします
C++によるデスクトップ開発を選択しインストールするとC++のツールが一緒にインストールされます
face_recognitionインストールする
PyCharmのterminalから pip install face_recognition で、無事インストール完了。
(base) C:\Users\user\PycharmProjects\ discrimination>pip install face_recognition
Collecting face_recognition
Downloading https://files.pythonhosted.org/packages/1e/95/f6c9330f54ab07bfa032bf3715c12455a381083125d8880c43cbe76bb3d0/face_recognition-1.3.0-py2.py3-none-any.whl
Collecting dlib>=19.7 (from face_recognition)
Downloading https://files.pythonhosted.org/packages/f1/40/e407366816646bb452578997e6ca2140f004eec8f611e8512ee429ded2be/dlib-19.20.0.tar.gz (3.2MB)
|████████████████████████████████| 3.2MB 3.2MB/s
Requirement already satisfied: Click>=6.0 in c:\users\user\anaconda3\lib\site-packages (from face_recognition) (7.0)
Requirement already satisfied: Pillow in c:\users\user\anaconda3\lib\site-packages (from face_recognition) (6.2.0)
Collecting face-recognition-models>=0.3.0 (from face_recognition)
Downloading https://files.pythonhosted.org/packages/cf/3b/4fd8c534f6c0d1b80ce0973d01331525538045084c73c153ee6df20224cf/face_recognition_models-0.3.0.tar.gz (100.1MB)
|████████████████████████████████| 100.2MB 6.4MB/s
Requirement already satisfied: numpy in c:\users\user\anaconda3\lib\site-packages (from face_recognition) (1.16.5)
Building wheels for collected packages: dlib, face-recognition-models
Building wheel for dlib (setup.py) ... done
Created wheel for dlib: filename=dlib-19.20.0-cp37-cp37m-win_amd64.whl size=3172188 sha256=f5330583fdab3673cd60987f2a0c1330ca5ec68078457931169d758040a9e847
Stored in directory: C:\Users\user\AppData\Local\pip\Cache\wheels\cf\ef\5c\264d6a760f15e39ca65b749b095c7cfdbafbc5adf915178c1b
Building wheel for face-recognition-models (setup.py) ... done
Created wheel for face-recognition-models: filename=face_recognition_models-0.3.0-py2.py3-none-any.whl size=100566178 sha256=fdc9e289afa547b8f07ee207d9ee57cdecf4508e7573d163b4b31c2ab09c1
1bc
Stored in directory: C:\Users\user\AppData\Local\pip\Cache\wheels\d2\99\18\59c6c8f01e39810415c0e63f5bede7d83dfb0ffc039865465f
Successfully built dlib face-recognition-models
Installing collected packages: dlib, face-recognition-models, face-recognition
Successfully installed dlib-19.20.0 face-recognition-1.3.0 face-recognition-models-0.3.0
(base) C:\Users\user\PycharmProjects\ discrimination>



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