在[WinError 2]中安装python-crf套装失败，系统找不到指定的文件。

Question

我试着安装

$ pip install python-crfsuite

Collecting python-crfsuite
Using cached python-crfsuite-0.8.4.tar.gz
Installing collected packages: python-crfsuite
Running setup.py install for python-crfsuite
Complete output from command c:\users\vlats\appdata\local\programs    \python    \python35-32\python.exe -c "import setuptools, tokenize;file='C:\Users\Vlats\AppData\Local\Temp\pip-build-k0g40k7c\python-crfsuite\setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record     C:\Users\Vlats\AppData\Local\Temp\pip-6zahugn5-record\install-    record.txt --single-version-externally-managed --compile:
running install
running build
running build_py
creating build
creating build\lib.win32-3.5
creating build\lib.win32-3.5\pycrfsuite
copying pycrfsuite_dumpparser.py -> build\lib.win32-3.5\pycrfsuite
copying pycrfsuite_logparser.py -> build\lib.win32-3.5\pycrfsuite
copying pycrfsuite__init__.py -> build\lib.win32-3.5\pycrfsuite
running build_ext
building 'pycrfsuite._pycrfsuite' extension
error: [WinError 2] The system cannot find the file specified

命令"c:\users\vlats\appdata\local\programs\python\python35-32\python.exe -c“导入setuptools，tokenize;file='C:\Users\Vlats\AppData\Local\Temp\pip-build-k0g40k7c\python-crfsuite\setup.py'；(编译(getattr(标志化，‘打开’，打开)(文件).read().replace(‘\r’，'\n')，文件，'exec'))“安装-记录的.replace-单版本-外部管理-编译” C:\Users\Vlats\AppData\Local\Temp\pip-build-k0g40k7c\python-crfsuite中错误代码1失败

对于导致错误的原因有什么想法吗? WinError 2系统找不到指定的文件，以及编译步骤出现错误1的后续失败？

我有什么办法来解决这个问题？还是使用pip install不是安装python-crf套装的正确方式？

Answer 1

可能太迟了，但对于任何发现这一页的人来说，这是解决办法.

你需要这个：https://www.microsoft.com/en-us/download/details.aspx?id=44266

我得到了和你一样的错误输出，但是我的一个同事得到了下面的输出。我们就是这样找到解决办法的。

python -m pip install python-crfsuite
Collecting python-crfsuite
Using cached python-crfsuite-0.8.4.tar.gz
Installing collected packages: python-crfsuite
Running setup.py install for python-crfsuite ... error
Complete output from command c:\python27\python.exe -u -c "import setuptools, tokenize;file='c:\users\mweinb~1\appdata\local\temp\pip-build-hivnxb\python-crfsuite\setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record c:\users\mweinb~1\appdata\local\temp\pip-izyeu8-record\install-record.txt --single-version-externally-managed --compile:
running install
running build
running build_py
creating build
creating build\lib.win32-2.7
creating build\lib.win32-2.7\pycrfsuite
copying pycrfsuite_dumpparser.py -> build\lib.win32-2.7\pycrfsuite
copying pycrfsuite_logparser.py -> build\lib.win32-2.7\pycrfsuite
copying pycrfsuite__init__.py -> build\lib.win32-2.7\pycrfsuite
running build_ext
building 'pycrfsuite._pycrfsuite' extension
error: Microsoft Visual C++ 9.0 is required (Unable to find vcvarsall.bat). Get it from http://aka.ms/vcpython27

Command "c:\python27\python.exe -u -c "import setuptools, tokenize;file='c:\users\mweinb~1\appdata\local\temp\pip-build-hivnxb\python-crfsuite\setup.py';exec(compile(getattr(tokenize, 'open', open)(file).read().replace('\r\n', '\n'), file, 'exec'))" install --record c:\users\mweinb~1\appdata\local\temp\pip-izyeu8-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in c:\users\mweinb~1\appdata\local\temp\pip-build-hivnxb\python-crfsuite\