我对python非常陌生，答案可能就在我面前，但我似乎找不到它。Pip不会让我安装任何软件包。我使用的是pip版本20.2.4和python版本3.9.0。我在10号窗户上。
C:UsersScott Evans>pip install pandas
Collecting pandas
Downloading pandas-1.1.3.tar.gz (5.2 MB)
|████████████████████████████████| 5.2 MB 6.8 MB/s
Installing build dependencies ... error
ERROR: Command errored out with exit status 1:
command: 'c:usersscott evansappdatalocalprogramspythonpython39python.exe' 'c:usersscott evansappdatalocalprogramspythonpython39libsite-packagespip' install --ignore-installed --no-user --prefix 'C:UsersScott EvansAppDataLocalTemppip-build-env-pgp9djhnoverlay' --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple -- setuptools wheel 'Cython>=0.29.21,<3' 'numpy==1.15.4; python_version=='"'"'3.6'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.15.4; python_version=='"'"'3.7'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system!='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.6'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.16.0; python_version=='"'"'3.7'"'"' and platform_system=='"'"'AIX'"'"'' 'numpy==1.17.3; python_version>='"'"'3.8'"'"' and platform_system=='"'"'AIX'"'"''
cwd: None
Complete output (590 lines):
Ignoring numpy: markers 'python_version == "3.6" and platform_system != "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.7" and platform_system != "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.6" and platform_system == "AIX"' don't match your environment
Ignoring numpy: markers 'python_version == "3.7" and platform_system == "AIX"' don't match your environment
Ignoring numpy: markers 'python_version >= "3.8" and platform_system == "AIX"' don't match your environment
Collecting setuptools
Using cached setuptools-50.3.2-py3-none-any.whl (785 kB)
Collecting wheel
Using cached wheel-0.35.1-py2.py3-none-any.whl (33 kB)
Collecting Cython<3,>=0.29.21
Using cached Cython-0.29.21-py2.py3-none-any.whl (974 kB)
Collecting numpy==1.17.3
Downloading numpy-1.17.3.zip (6.4 MB)
Building wheels for collected packages: numpy
Building wheel for numpy (setup.py): started
Building wheel for numpy (setup.py): finished with status 'error'
ERROR: Command errored out with exit status 1:
command: 'c:usersscott evansappdatalocalprogramspythonpython39python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"'; __file__='"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d 'C:UsersScott EvansAppDataLocalTemppip-wheel-_cxurpcg'
cwd: C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpy
Complete output (268 lines):
Running from numpy source directory.
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\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
blis_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries blis not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
openblas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries openblas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\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
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries tatlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_3_10_blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries satlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_blas_threads_info:
Setting PTATLAS=ATLAS
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries ptf77blas,ptcblas,atlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries f77blas,cblas,atlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
accelerate_info:
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries blas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
blas_src_info:
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
NOT AVAILABLE
'svnversion' is not recognized as an internal or external command,
operable program or batch file.
non-existing path in 'numpy\distutils': 'site.cfg'
lapack_opt_info:
lapack_mkl_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries mkl_rt not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
openblas_lapack_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries openblas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:1712: 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.
if getattr(self, '_calc_info_{}'.format(lapack))():
NOT AVAILABLE
c:usersscott evansappdatalocalprogramspythonpython39libdistutilsdist.py:274: UserWarning: Unknown distribution option: 'define_macros'
warnings.warn(msg)
running bdist_wheel
running build
running config_cc
unifing config_cc, config, build_clib, build_ext, build commands --compiler options
running config_fc
unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options
running build_src
build_src
building py_modules sources
creating build
creating buildsrc.win-amd64-3.9
creating buildsrc.win-amd64-3.9numpy
creating buildsrc.win-amd64-3.9numpydistutils
building library "npymath" sources
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
error: Microsoft Visual C++ 14.0 is required. Get it with "Build Tools for Visual Studio": https://visualstudio.microsoft.com/downloads/
----------------------------------------
ERROR: Failed building wheel for numpy
Running setup.py clean for numpy
ERROR: Command errored out with exit status 1:
command: 'c:usersscott evansappdatalocalprogramspythonpython39python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"'; __file__='"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' clean --all
cwd: C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpy
Complete output (10 lines):
Running from numpy source directory.
`setup.py clean` is not supported, use one of the following instead:
- `git clean -xdf` (cleans all files)
- `git clean -Xdf` (cleans all versioned files, doesn't touch
files that aren't checked into the git repo)
Add `--force` to your command to use it anyway if you must (unsupported).
----------------------------------------
ERROR: Failed cleaning build dir for numpy
Failed to build numpy
Installing collected packages: setuptools, wheel, Cython, numpy
Running setup.py install for numpy: started
Running setup.py install for numpy: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: 'c:usersscott evansappdatalocalprogramspythonpython39python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"'; __file__='"'"'C:\Users\Scott Evans\AppData\Local\Temp\pip-install-41rf5zel\numpy\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:UsersScott EvansAppDataLocalTemppip-record-xyc0gk8linstall-record.txt' --single-version-externally-managed --prefix 'C:UsersScott EvansAppDataLocalTemppip-build-env-pgp9djhnoverlay' --compile --install-headers 'C:UsersScott EvansAppDataLocalTemppip-build-env-pgp9djhnoverlayIncludenumpy'
cwd: C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpy
Complete output (273 lines):
Running from numpy source directory.
Note: if you need reliable uninstall behavior, then install
with pip instead of using `setup.py install`:
- `pip install .` (from a git repo or downloaded source
release)
- `pip install numpy` (last NumPy release on PyPi)
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\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
blis_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries blis not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
openblas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils`enter code here`
customize MSVCCompiler
libraries openblas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\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
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries tatlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_3_10_blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries satlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_blas_threads_info:
Setting PTATLAS=ATLAS
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries ptf77blas,ptcblas,atlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries f77blas,cblas,atlas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
accelerate_info:
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
blas_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries blas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
blas_src_info:
NOT AVAILABLE
C:UsersScott EvansAppDataLocalTemppip-install-41rf5zelnumpynumpydistutilssystem_info.py:690: 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.
self.calc_info()
NOT AVAILABLE
'svnversion' is not recognized as an internal or external command,
operable program or batch file.
non-existing path in 'numpy\distutils': 'site.cfg'
lapack_opt_info:
lapack_mkl_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries mkl_rt not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
openblas_lapack_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries openblas not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
openblas_clapack_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries openblas,lapack not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
flame_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries flame not found in ['c:\users\scott evans\appdata\local\programs\python\python39\lib', 'C:\', 'c:\users\scott evans\appdata\local\programs\python\python39\libs']
NOT AVAILABLE
atlas_3_10_threads_info:
Setting PTATLAS=ATLAS
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries tatlas,tatlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries tatlas,tatlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries tatlas,tatlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
<class 'numpy.distutils.system_info.atlas_3_10_threads_info'>
NOT AVAILABLE
atlas_3_10_info:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries satlas,satlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries satlas,satlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries satlas,satlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
<class 'numpy.distutils.system_info.atlas_3_10_info'>
NOT AVAILABLE
atlas_threads_info:
Setting PTATLAS=ATLAS
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries ptf77blas,ptcblas,atlas not found in c:usersscott evansappdatalocalprogramspythonpython39lib
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries ptf77blas,ptcblas,atlas not found in C:
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries lapack_atlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
No module named 'numpy.distutils._msvccompiler' in numpy.distutils; trying from distutils
customize MSVCCompiler
libraries ptf77blas,ptcblas,atlas not found in c:usersscott evansappdatalocalprogramspythonpython39libs
<class 'numpy.distutils.system_info.atlas_threads_info'>
NOT AVAILABLE
您的轮子似乎有问题，这是因为Python 3.9还没有推出所有的官方轮子，下面的命令安装非官方轮子。
键入以下命令
pip install pipwin
然后
pipwin install pandas