Pip install results in this error " cl.exe' failed with exit code 2 "

小能豆

Pip install results in this error " cl.exe' failed with exit code 2 "

java

I’ve read all of the other questions on this error and frustratingly enough, none give a solution that works.

If I run pip install sentencepiece in the cmd line, it gives me the following output.

 src/sentencepiece/sentencepiece_wrap.cxx(2809): fatal error C1083: Cannot open include file: 'sentencepiece_processor.h': No such file or directory
      error: command 'C:\\Program Files (x86)\\Microsoft Visual Studio\\2017\\BuildTools\\VC\\Tools\\MSVC\\14.16.27023\\bin\\HostX86\\x64\\cl.exe' failed with exit code 2
      [end of output]

I’m running python 3.10.1 and pip 22.0.3 .

*I have the following Microsoft Visual C programs on my windows machine,which I’ve just done a fresh install of as it was complaining of not having a particular C program. MS VC++

I’ve even added the .exe file to my PATH variables but still I get the same error.

Am I missing a particular Microsoft program on my pc?

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2023-11-23

共1个答案

小能豆

The error you are encountering indicates that the compilation of the sentencepiece Python package is failing because it cannot find the necessary header file (sentencepiece_processor.h). This file is part of the sentencepiece library, and it seems that the library’s installation process is unable to locate it.

Here are a few steps you can try to resolve the issue:

**Install Visual C Build Tools:** Make sure you have the necessary build tools installed on your system. You can install the Visual C Build Tools separately, which includes the required headers and libraries for compiling C++ code. You can download it from the official Microsoft website: Visual C++ Build Tools.
Check PATH Environment Variable: Ensure that the directory containing the cl.exe (C++ compiler) is added to your system’s PATH environment variable. Based on your provided information, it looks like you’ve already added it. Double-check to make sure the path is correct.
Check Python Version Compatibility: Ensure that the version of sentencepiece you are trying to install is compatible with Python 3.10. Some packages may not yet have official releases compatible with the latest Python versions. You can check the package’s documentation or GitHub repository for compatibility information.
Install Pre-built Wheel: Instead of building from source, you can try installing a pre-built wheel of sentencepiece. Pre-built wheels can be installed faster and do not require compilation. You can find pre-built wheels on the Python Package Index (PyPI). Use the following command:

pip install sentencepiece --no-cache-dir

The --no-cache-dir option prevents pip from using cached files, ensuring that it attempts to download a fresh wheel.

Install from Source: If the pre-built wheel doesn’t work, you can try installing sentencepiece from the source. Download the source code from the official GitHub repository: sentencepiece GitHub Repository. Extract the source, navigate to the directory in the command prompt, and then run:

python setup.py install

This will attempt to build and install the package from the source code.

If the issue persists after trying these steps, you might want to check the GitHub repository or other relevant forums for sentencepiece for any reported issues or compatibility updates. Additionally, check the Python version requirements specified by the sentencepiece package.

2023-11-23