尝试安装numpy时出现以下错误：
C:\Users\lenovo>pip install numpy
Collecting numpy
Using cached numpy-1.19.2.zip (7.3 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\lenovo\appdata\local\programs\python\python39\python.exe' 'c:\users\lenovo\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\lenovo\AppData\Local\Temp\tmpmtdh020c'
cwd: C:\Users\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
blis_info:
libraries blis not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
openblas_info:
libraries openblas not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\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\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
atlas_3_10_blas_info:
libraries satlas not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
atlas_blas_threads_info:
Setting PTATLAS=ATLAS
libraries ptf77blas,ptcblas,atlas not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
atlas_blas_info:
libraries f77blas,cblas,atlas not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
accelerate_info:
NOT AVAILABLE
C:\Users\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
C:\Users\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
openblas_lapack_info:
libraries openblas not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
openblas_clapack_info:
libraries openblas,lapack not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
flame_info:
libraries flame not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
atlas_3_10_threads_info:
Setting PTATLAS=ATLAS
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries tatlas,tatlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries lapack_atlas not found in C:\
libraries tatlas,tatlas not found in C:\
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
libraries tatlas,tatlas not found in c:\users\lenovo\appdata\local\programs\python\python39\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\lenovo\appdata\local\programs\python\python39\lib
libraries satlas,satlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries lapack_atlas not found in C:\
libraries satlas,satlas not found in C:\
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
libraries satlas,satlas not found in c:\users\lenovo\appdata\local\programs\python\python39\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\lenovo\appdata\local\programs\python\python39\lib
libraries ptf77blas,ptcblas,atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries lapack_atlas not found in C:\
libraries ptf77blas,ptcblas,atlas not found in C:\
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
libraries ptf77blas,ptcblas,atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
<class 'numpy.distutils.system_info.atlas_threads_info'>
NOT AVAILABLE
atlas_info:
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries f77blas,cblas,atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\lib
libraries lapack_atlas not found in C:\
libraries f77blas,cblas,atlas not found in C:\
libraries lapack_atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
libraries f77blas,cblas,atlas not found in c:\users\lenovo\appdata\local\programs\python\python39\libs
<class 'numpy.distutils.system_info.atlas_info'>
NOT AVAILABLE
lapack_info:
libraries lapack not found in ['c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\lib', 'C:\\', 'c:\\users\\lenovo\\appdata\\local\\programs\\python\\python39\\libs']
NOT AVAILABLE
C:\Users\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\lenovo\AppData\Local\Temp\pip-install-c07n3_wi\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\lenovo\appdata\local\programs\python\python39\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\lenovo\appdata\local\programs\python\python39\python.exe' 'c:\users\lenovo\appdata\local\programs\python\python39\lib\site-packages\pip\_vendor\pep517\_in_process.py' prepare_metadata_for_build_wheel 'C:\Users\lenovo\AppData\Local\Temp\tmpmtdh020c' Check the logs for full command output.
那么，为什么会这样呢？
Python 3.9 于 3 天前发布（今天 - 2020 年 10 月 8 日）。它还没有用于 numpy 的轮子。
看这里
但是在 3.9 发布后不久，许多包还没有适用于 Python 3.9 的轮子。例如，截至 10 月 6 日，NumPy（Pandas 依赖项）的 PyPI 文件列表和 Pandas 的文件列表都没有显示 Python 3.9 轮子。当然，您可以从源代码编译这些包，假设它们在 Python 3.9 中开箱即用——但这需要更多的努力（设置编译器）和时间。
你现在真的需要 3.9 有什么特别的原因吗？
如果没有，我现在会坚持使用 3.8 甚至 3.7。以后升级应该超级容易。
| 归档时间： |
|
| 查看次数： |
17070 次 |
| 最近记录： |