인프런 커뮤니티 질문&답변

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초보자도 간단히 단숨에 배우는 파이썬 프로그래밍

pip 외부 라이브러리 설치와 관련된 질문입니다.

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안녕하세요. 수업 너무 알차게 잘 듣고 있습니다. 

그러나 수업을 듣는 도중 문제가 생겨 질문을 드립니다.

pip 외부 라이브러리 설치 중에 일어난 에러입니다.

pip install numpy pandas matplotlib을 입력하였는데 

 Using cached numpy-1.19.2.zip (7.3 MB)

  Installing build dependencies ... done

  Getting requirements to build wheel ... done

    Preparing wheel metadata ... - 에서 넘어가지 않고

에러가 뜹니다

다음은 에러 전문입니다. 어떻게 해결해야 할까요?

 ERROR: Command errored out with exit status 1:

     command: 'c:\users\user\desktop\python\python.exe' 'c:\users\user\desktop\python\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\user\AppData\Local\Temp\tmpf7frhdsl'

         cwd: C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy

    Complete output (200 lines):

    Running from numpy source directory.

    setup.py:470: UserWarning: Unrecognized setuptools command, proceeding with generating Cython sources and expanding templates

      run_build = parse_setuppy_commands()

    Processing numpy/random\_bounded_integers.pxd.in

    Processing numpy/random\bit_generator.pyx

    Processing numpy/random\mtrand.pyx

    Processing numpy/random\_bounded_integers.pyx.in

    Processing numpy/random\_common.pyx

    Processing numpy/random\_generator.pyx

    Processing numpy/random\_mt19937.pyx

    Processing numpy/random\_pcg64.pyx

    Processing numpy/random\_philox.pyx

    Processing numpy/random\_sfc64.pyx

    Cythonizing sources

    blas_opt_info:

    blas_mkl_info:

    No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils

    customize MSVCCompiler

      libraries mkl_rt not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    blis_info:

      libraries blis not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    openblas_info:

      libraries openblas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

    get_default_fcompiler: matching types: '['gnu', 'intelv', 'absoft', 'compaqv', 'intelev', 'gnu95', 'g95', 'intelvem', 'intelem', 'flang']'

    customize GnuFCompiler

    Could not locate executable g77

    Could not locate executable f77

    customize IntelVisualFCompiler

    Could not locate executable ifort

    Could not locate executable ifl

    customize AbsoftFCompiler

    Could not locate executable f90

    customize CompaqVisualFCompiler

    Could not locate executable DF

    customize IntelItaniumVisualFCompiler

    Could not locate executable efl

    customize Gnu95FCompiler

    Could not locate executable gfortran

    Could not locate executable f95

    customize G95FCompiler

    Could not locate executable g95

    customize IntelEM64VisualFCompiler

    customize IntelEM64TFCompiler

    Could not locate executable efort

    Could not locate executable efc

    customize PGroupFlangCompiler

    Could not locate executable flang

    don't know how to compile Fortran code on platform 'nt'

      NOT AVAILABLE

    atlas_3_10_blas_threads_info:

    Setting PTATLAS=ATLAS

      libraries tatlas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    atlas_3_10_blas_info:

      libraries satlas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    atlas_blas_threads_info:

    Setting PTATLAS=ATLAS

      libraries ptf77blas,ptcblas,atlas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    atlas_blas_info:

      libraries f77blas,cblas,atlas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    accelerate_info:

      NOT AVAILABLE

    C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy\numpy\distutils\system_info.py:1914: UserWarning:

        Optimized (vendor) Blas libraries are not found.

        Falls back to netlib Blas library which has worse performance.

        A better performance should be easily gained by switching

        Blas library.

      if self._calc_info(blas):

    blas_info:

      libraries blas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy\numpy\distutils\system_info.py:1914: UserWarning:

        Blas (http://www.netlib.org/blas/) libraries not found.

        Directories to search for the libraries can be specified in the

        numpy/distutils/site.cfg file (section [blas]) or by setting

        the BLAS environment variable.

      if self._calc_info(blas):

    blas_src_info:

      NOT AVAILABLE

    C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy\numpy\distutils\system_info.py:1914: UserWarning:

        Blas (http://www.netlib.org/blas/) sources not found.

        Directories to search for the sources can be specified in the

        numpy/distutils/site.cfg file (section [blas_src]) or by setting

        the BLAS_SRC environment variable.

      if self._calc_info(blas):

      NOT AVAILABLE

    non-existing path in 'numpy\\distutils': 'site.cfg'

    lapack_opt_info:

    lapack_mkl_info:

      libraries mkl_rt not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    openblas_lapack_info:

      libraries openblas not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    openblas_clapack_info:

      libraries openblas,lapack not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    flame_info:

      libraries flame not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    atlas_3_10_threads_info:

    Setting PTATLAS=ATLAS

      libraries lapack_atlas not found in c:\users\user\desktop\python\lib

      libraries tatlas,tatlas not found in c:\users\user\desktop\python\lib

      libraries lapack_atlas not found in C:\

      libraries tatlas,tatlas not found in C:\

      libraries lapack_atlas not found in c:\users\user\desktop\python\libs

      libraries tatlas,tatlas not found in c:\users\user\desktop\python\libs

    <class 'numpy.distutils.system_info.atlas_3_10_threads_info'>

      NOT AVAILABLE

    atlas_3_10_info:

      libraries lapack_atlas not found in c:\users\user\desktop\python\lib

      libraries satlas,satlas not found in c:\users\user\desktop\python\lib

      libraries lapack_atlas not found in C:\

      libraries satlas,satlas not found in C:\

      libraries lapack_atlas not found in c:\users\user\desktop\python\libs

      libraries satlas,satlas not found in c:\users\user\desktop\python\libs

    <class 'numpy.distutils.system_info.atlas_3_10_info'>

      NOT AVAILABLE

    atlas_threads_info:

    Setting PTATLAS=ATLAS

      libraries lapack_atlas not found in c:\users\user\desktop\python\lib

      libraries ptf77blas,ptcblas,atlas not found in c:\users\user\desktop\python\lib

      libraries lapack_atlas not found in C:\

      libraries ptf77blas,ptcblas,atlas not found in C:\

      libraries lapack_atlas not found in c:\users\user\desktop\python\libs

      libraries ptf77blas,ptcblas,atlas not found in c:\users\user\desktop\python\libs

    <class 'numpy.distutils.system_info.atlas_threads_info'>

      NOT AVAILABLE

    atlas_info:

      libraries lapack_atlas not found in c:\users\user\desktop\python\lib

      libraries f77blas,cblas,atlas not found in c:\users\user\desktop\python\lib

      libraries lapack_atlas not found in C:\

      libraries f77blas,cblas,atlas not found in C:\

      libraries lapack_atlas not found in c:\users\user\desktop\python\libs

      libraries f77blas,cblas,atlas not found in c:\users\user\desktop\python\libs

    <class 'numpy.distutils.system_info.atlas_info'>

      NOT AVAILABLE

    lapack_info:

      libraries lapack not found in ['c:\\users\\user\\desktop\\python\\lib', 'C:\\', 'c:\\users\\user\\desktop\\python\\libs']

      NOT AVAILABLE

    C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy\numpy\distutils\system_info.py:1748: UserWarning:

        Lapack (http://www.netlib.org/lapack/) libraries not found.

        Directories to search for the libraries can be specified in the

        numpy/distutils/site.cfg file (section [lapack]) or by setting

        the LAPACK environment variable.

      return getattr(self, '_calc_info_{}'.format(name))()

    lapack_src_info:

      NOT AVAILABLE

    C:\Users\user\AppData\Local\Temp\pip-install-9wizp8d8\numpy\numpy\distutils\system_info.py:1748: UserWarning:

        Lapack (http://www.netlib.org/lapack/) sources not found.

        Directories to search for the sources can be specified in the

        numpy/distutils/site.cfg file (section [lapack_src]) or by setting

        the LAPACK_SRC environment variable.

      return getattr(self, '_calc_info_{}'.format(name))()

      NOT AVAILABLE

    numpy_linalg_lapack_lite:

      FOUND:

        language = c

        define_macros = [('HAVE_BLAS_ILP64', None), ('BLAS_SYMBOL_SUFFIX', '64_')]

    c:\users\user\desktop\python\lib\distutils\dist.py:274: UserWarning: Unknown distribution option: 'define_macros'

      warnings.warn(msg)

    running dist_info

    running build_src

    build_src

    building py_modules sources

    creating build

    creating build\src.win-amd64-3.9

    creating build\src.win-amd64-3.9\numpy

    creating build\src.win-amd64-3.9\numpy\distutils

    building library "npymath" sources

    error: Microsoft Visual C++ 14.0 is required. Get it with "Build Tools for Visual Studio": https://visualstudio.microsoft.com/downloads/

    ----------------------------------------

ERROR: Command errored out with exit status 1: 'c:\users\user\desktop\python\python.exe' 'c:\users\user\desktop\python\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\user\AppData\Local\Temp\tmpf7frhdsl' Check the logs for full command output.

답변 1

0

답변이 늦었습니다.

에러 로그를 보니, Microsoft Visual C++ 14.0 이 필요한가 보네요.

error: Microsoft Visual C++ 14.0 is required. Get it with "Build Tools for Visual Studio": https://visualstudio.microsoft.com/downloads/

로그에서 제안하듯이, Visual Studio 를 설치해보시면 어떨까요? (https://visualstudio.microsoft.com/downloads/)

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