centos7.6安装python3.8

切换到root用户：

yum update -y

 yum install gcc openssl-devel bzip2-devel libffi-devel -y

 

下载python3.8:

wget https://www.python.org/ftp/python/3.8.12/Python-3.8.12.tgz

 

解压：

tar -xzf Python-3.8.12.tgz

cd Python-3.8.12/
./configure --enable-optimizations

 

make altinstall

 

执行代码报以下错误：

ModuleNotFoundError: No module named '_sqlite3'

#安装sqlite3依赖

yum install sqlite-devel

 ./configure --enable-loadable-sqlite-extensions

./configure --enable-optimizations

make altinstall

依次执行以上命令：

重新尝试，成功运行。

 

安装模块：

pip3.8 install psutil==5.9.1

pip3.8 install PyMySQL==1.0.2

pip3.8 install scikit-learn==1.1.1

pip3.8 install SQLAlchemy==1.4.39

pip3.8 install taospy==2.4.0

报错：

pip3.8 install pytz-2022.2.1-py2.py3-none-any.whl:

pip3.8 install taospy==2.4.0:

  pip3.8 install Orange3-3.32.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

报错：

 pip3.8 install pyzmq-23.2.1-cp38-cp38-manylinux_2_1                                                           2_x86_64.manylinux2010_x86_64.whl

pip3.8 install Orange3-3.32.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

pip3.8 install AnyQt-0.2.0-py3-none-any.whl

pip3.8 install Orange3-3.32.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

pip3.8 install QtPy-2.2.0-py3-none-any.whl

pip3.8 install Orange3-3.32.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

pip3.8 install psycopg2-binary

pip3.8 install pymssql