在安裝transformers庫時，sentencepiece無法安裝，如下：

pip3 install --user transformers

解決問題參考：Pip install sentencepiece failure

在安裝sentencepiece，無法進行，如下：

Building wheels for collected packages: sentencepieceBuilding wheel for sentencepiece (setup.py) ...

長時間等待，異常如下：

./build_bundled.sh:行15: cmake: 未找到命令make: *** 沒有指明目標并且找不到 makefile。 停止。make: *** 沒有規則可以創建目標“install”。 停止。Package sentencepiece was not found in the pkg-config search path.Perhaps you should add the directory containing `sentencepiece.pc'to the PKG_CONFIG_PATH environment variableNo package 'sentencepiece' foundFailed to find sentencepiece pkg-config----------------------------------------ERROR: Failed building wheel for sentencepiece

單獨安裝sentencepiece，也會出現異常。

pip3 install --user sentencepiece

下載sentencepiece的對應版本

sentencepiece

例如，CentOS 7對應的版本：

下載之后，安裝

pip3 install --user sentencepiece-0.1.94-cp37-cp37m-manylinux2014_x86_64.whl

提示錯誤：平臺版本不對，如下。

ERROR: sentencepiece-0.1.94-cp37-cp37m-manylinux2014_x86_64.whl is not a supported wheel on this platform. WARNING: You are using pip version 19.2.3, however version 20.2.4 is available. You should consider upgrading via the 'pip install --upgrade pip' command.

修改python庫的命名方式，manylinux2014 ->linux， 即可：

mv sentencepiece-0.1.94-cp37-cp37m-manylinux2014_x86_64.whl sentencepiece-0.1.94-cp37-cp37m-linux_x86_64.whl

再次安裝，即可：

pip3 install --user sentencepiece-0.1.94-cp37-cp37m-linux_x86_64.whl

最后安裝transformers，即可

pip3 install --user transformers

總結

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