问题描述
我尝试将cvxopt安装到anaconda，并且在控制台上收到了此消息：
Using cached cvxopt-1.2.5.tar.gz (6.7 MB)
Building wheels for collected packages: cvxopt
Building wheel for cvxopt (setup.py) ... error
ERROR: Command errored out with exit status 1:
command: 'C:\Users\Administrator\anaconda3\python.exe' -u -c 'import sys,setuptools,tokenize; sys.argv[0] = '"'"'C:\\Users\\Administrator\\AppData\\Local\\Temp\\pip-install-ksmz07rg\\cvxopt\\setup.py'"'"'; __file__='"'"'C:\\Users\\Administrator\\AppData\\Local\\Temp\\pip-install-ksmz07rg\\cvxopt\\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\Administrator\AppData\Local\Temp\pip-wheel-vx2j52u4'
cwd: C:\Users\Administrator\AppData\Local\Temp\pip-install-ksmz07rg\cvxopt\
Complete output (228 lines):
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win-amd64-3.8
creating build\lib.win-amd64-3.8\cvxopt
copying src\python\coneprog.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\cvxprog.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\info.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\misc.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\modeling.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\msk.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\printing.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\solvers.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\_version.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\__init__.py -> build\lib.win-amd64-3.8\cvxopt
UPDATING build\lib.win-amd64-3.8\cvxopt/_version.py
set build\lib.win-amd64-3.8\cvxopt/_version.py to '1.2.5'
running build_ext
building 'base' extension
creating build\temp.win-amd64-3.8
creating build\temp.win-amd64-3.8\Release
creating build\temp.win-amd64-3.8\Release\src
creating build\temp.win-amd64-3.8\Release\src\C
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\Administrator\anaconda3\include -IC:\Users\Administrator\anaconda3\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc/C/base.c /Fobuild\temp.win-amd64-3.8\Release\src/C/base.obj
base.c
src/C/base.c(150): warning C4244: '=': conversion from 'Py_ssize_t' to 'double',possible loss of data
............(similar error messages)
src/C/base.c(1872): warning C4244: 'initializing': conversion from 'Py_ssize_t' to 'int',possible loss of data
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\Administrator\anaconda3\include -IC:\Users\Administrator\anaconda3\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc/C/dense.c /Fobuild\temp.win-amd64-3.8\Release\src/C/dense.obj
dense.c
src/C/dense.c(271): warning C4244: '=': conversion from 'Py_ssize_t' to 'double',possible loss of data
.........(similar error messages)
src/C/dense.c(1006): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int',possible loss of data
src/C/dense.c(1023): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int',possible loss of data
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\Administrator\anaconda3\include -IC:\Users\Administrator\anaconda3\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc/C/sparse.c /Fobuild\temp.win-amd64-3.8\Release\src/C/sparse.obj
sparse.c
src/C/sparse.c(243): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int',possible loss of data
................(similar error messages)
src/C/sparse.c(4436): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int',possible loss of data
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMbed,ID=2 /MANIFESTUAC:NO /LIBPATH:/usr/lib /LIBPATH:C:\Users\Administrator\anaconda3\libs /LIBPATH:C:\Users\Administrator\anaconda3\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\um\x64" m.lib lapack.lib blas.lib /EXPORT:PyInit_base build\temp.win-amd64-3.8\Release\src/C/base.obj build\temp.win-amd64-3.8\Release\src/C/dense.obj build\temp.win-amd64-3.8\Release\src/C/sparse.obj /OUT:build\lib.win-amd64-3.8\cvxopt\base.cp38-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.8\Release\src/C\base.cp38-win_amd64.lib
LINK : Fatal error LNK1181: cannot open input file 'm.lib'
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC\\Tools\\MSVC\\14.16.27023\\bin\\HostX86\\x64\\link.exe' Failed with exit status 1181
----------------------------------------
ERROR: Failed building wheel for cvxopt
Running setup.py clean for cvxopt
Failed to build cvxopt
DEPRECATION: Could not build wheels for cvxopt which do not use PEP 517. pip will fall back to legacy 'setup.py install' for these. pip 21.0 will remove support for this functionality. A possible replacement is to fix the wheel build issue reported above. You can find discussion regarding this at https://github.com/pypa/pip/issues/8368.
Installing collected packages: cvxopt
Running setup.py install for cvxopt ... error
ERROR: Command errored out with exit status 1:
command: 'C:\Users\Administrator\anaconda3\python.exe' -u -c 'import sys,'"'"'exec'"'"'))' install --record 'C:\Users\Administrator\AppData\Local\Temp\pip-record-wwzyi57p\install-record.txt' --single-version-externally-managed --compile --install-headers 'C:\Users\Administrator\anaconda3\Include\cvxopt'
cwd: C:\Users\Administrator\AppData\Local\Temp\pip-install-ksmz07rg\cvxopt\
Complete output (228 lines):
running install
running build
running build_py
creating build
creating build\lib.win-amd64-3.8
creating build\lib.win-amd64-3.8\cvxopt
copying src\python\coneprog.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\cvxprog.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\info.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\misc.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\modeling.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\msk.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\printing.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\solvers.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\_version.py -> build\lib.win-amd64-3.8\cvxopt
copying src\python\__init__.py -> build\lib.win-amd64-3.8\cvxopt
UPDATING build\lib.win-amd64-3.8\cvxopt/_version.py
set build\lib.win-amd64-3.8\cvxopt/_version.py to '1.2.5'
running build_ext
building 'base' extension
creating build\temp.win-amd64-3.8
creating build\temp.win-amd64-3.8\Release
creating build\temp.win-amd64-3.8\Release\src
creating build\temp.win-amd64-3.8\Release\src\C
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\Administrator\anaconda3\include -IC:\Users\Administrator\anaconda3\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\shared" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\um" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\cppwinrt" /Tcsrc/C/base.c /Fobuild\temp.win-amd64-3.8\Release\src/C/base.obj
base.c
src/C/base.c(150): warning C4244: '=': conversion from 'Py_ssize_t' to 'double',possible loss of datas
..................(similar error messages)
src/C/sparse.c(4436): warning C4244: 'function': conversion from 'Py_ssize_t' to 'int',possible loss of data
C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\bin\HostX86\x64\link.exe /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMbed,ID=2 /MANIFESTUAC:NO /LIBPATH:/usr/lib /LIBPATH:C:\Users\Administrator\anaconda3\libs /LIBPATH:C:\Users\Administrator\anaconda3\PCbuild\amd64 "/LIBPATH:C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Tools\MSVC\14.16.27023\lib\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\ucrt\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.17763.0\um\x64" m.lib lapack.lib blas.lib /EXPORT:PyInit_base build\temp.win-amd64-3.8\Release\src/C/base.obj build\temp.win-amd64-3.8\Release\src/C/dense.obj build\temp.win-amd64-3.8\Release\src/C/sparse.obj /OUT:build\lib.win-amd64-3.8\cvxopt\base.cp38-win_amd64.pyd /IMPLIB:build\temp.win-amd64-3.8\Release\src/C\base.cp38-win_amd64.lib
LINK : Fatal error LNK1181: cannot open input file 'm.lib'
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC\\Tools\\MSVC\\14.16.27023\\bin\\HostX86\\x64\\link.exe' Failed with exit status 1181
----------------------------------------
ERROR: Command errored out with exit status 1: 'C:\Users\Administrator\anaconda3\python.exe' -u -c 'import sys,'"'"'exec'"'"'))' install --record 'C:\Users\Administrator\AppData\Local\Temp\pip-record-wwzyi57p\install-record.txt' --single-version-externally-managed --compile --install-headers 'C:\Users\Administrator\anaconda3\Include\cvxopt' Check the logs for full command output.
似乎安装包中有数据丢失。我使用的是3.6版的python版本，但没有遇到此错误。我尝试了不同的安装代码，但遇到类似的情况。谁能帮我解决这个问题？谢谢。
解决方法
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