离线Python环境搭建

搭建环境:Linux的centos系统、Python3.7

  • 1.python3.7.4源码包地址:https://www.python.org/downloads/
  • 2.将下载好的包上传到服务器,解压缩
    tar -xvzf Python-3.7.4.tgz -C .
  • 3.pythoh3创建指定目录
    mkdir /usr/local/python3
  • 4.配置编译项
    ./configure --prefix=/usr/local/python3 --enable-shared CFLAGS=-fPIC
  • 5.编译和安装
    make && make install
  • 6.出现Successfully表示python安装成功


    image
  • 7.安装成功后创建python3的软连接
    mv /usr/bin/python /usr/bin/python_bak
    ln -s /usr/local/python3/bin/python3.7 /usr/bin/python
    ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
    8.输入python3进入python环境
    若如下错误: 系统找不到外联库导致
    python3:error while loading shared libraries:libpython3.7m.so.1.0:cannot open shared object file
    执行如下步骤:
    • 1)cd /etc/ld.so.conf.d
    • 2)vi python3.conf
    • 3)写入如下内容并保存 /usr/local/python3/lib
    • 4)执行命令 ldconfig

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