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[英]How to install and use both python 3.8 and 3.7 on windows 10
[英]How can I install pyodbc on Windows for use with Python 3.8?
我在 pyodbc 安装时遇到错误,我正在研究这个问题,可能是 c++ 重新分发安装问题,但即使使用 c++ 重新分发安装更新了问题 oc
尝试安装pyodbc时出现错误
C:\Users\MacInBox>pip install pyodbc
Collecting pyodbc
Using cached https://files.pythonhosted.org/packages/75/29/aa190749bac37ede0f11a68a75e7055254699c11572bd94213f1163dfd8f/pyodbc-4.0.27.tar.gz
Installing collected packages: pyodbc
Running setup.py install for pyodbc ... error
ERROR: Command errored out with exit status 1:
command: 'c:\users\macinbox\appdata\local\programs\python\python38-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\MacInBox\\AppData\\Local\\Temp\\pip-install-ysm4ul3_\\pyodbc\\setup.py'"'"'; __file__='"'"'C:\\Users\\MacInBox\\AppData\\Local\\Temp\\pip-install-ysm4ul3_\\pyodbc\\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\MacInBox\AppData\Local\Temp\pip-record-fzctfb9u\install-record.txt' --single-version-externally-managed --compile
cwd: C:\Users\MacInBox\AppData\Local\Temp\pip-install-ysm4ul3_\pyodbc\
Complete output (12 lines):
running install
running build
running build_ext
building 'pyodbc' extension
creating build
creating build\temp.win32-3.8
creating build\temp.win32-3.8\Release
creating build\temp.win32-3.8\Release\src
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\bin\HostX86\x86\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -DPYODBC_VERSION=4.0.27 -Ic:\users\macinbox\appdata\local\programs\python\python38-32\include -Ic:\users\macinbox\appdata\local\programs\python\python38-32\include "-IC:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.23.28105\include" /EHsc /Tpsrc\buffer.cpp /Fobuild\temp.win32-3.8\Release\src\buffer.obj /Wall /wd4514 /wd4820 /wd4668 /wd4711 /wd4100 /wd4127 /wd4191
buffer.cpp
C:\Users\MacInBox\AppData\Local\Temp\pip-install-ysm4ul3_\pyodbc\src\pyodbc.h(19): fatal error C1083: NÆo ‚ poss¡vel abrir arquivo incluir: 'windows.h': No such file or directory
error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Community\\VC\\Tools\\MSVC\\14.23.28105\\bin\\HostX86\\x86\\cl.exe' failed with exit status 2
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\users\macinbox\appdata\local\programs\python\python38-32\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\MacInBox\\AppData\\Local\\Temp\\pip-install-ysm4ul3_\\pyodbc\\setup.py'"'"'; __file__='"'"'C:\\Users\\MacInBox\\AppData\\Local\\Temp\\pip-install-ysm4ul3_\\pyodbc\\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\MacInBox\AppData\Local\Temp\pip-record-fzctfb9u\install-record.txt' --single-version-externally-managed --compile Check the logs for full command output.
目前,PiPI(pyodbc 4.0.27)上的 pyodbc 没有 Python 3.8 的轮文件,因此当您执行pip install pyodbc
Z62AD1C2A46C5298FD3E29 将尝试从构建 pyodbc Z62AD1C2A46C5298FD3E29 您不需要 C++ 可再发行组件,您需要 C++编译器。
pyodbc 的下一个版本几乎肯定会有 Python 3.8 的预编译轮文件。 同时,您可以从以下位置下载所需的轮文件
https://www.lfd.uci.edu/~gohlke/pythonlibs/#pyodbc
然后安装它
pip install C:\path\to\pyodbc-4.0.27-cp38-cp38-win32.whl
2020 年 6 月 30 日更新:当前版本的 pyodbc 现在具有适用于 Python 3.8 的轮子。
非常感谢。 我使用的是 Python 3.10。 这成功了。
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