1.更新树莓派系统

1 sudo  apt-get  update
2 sudo apt-get upgrade -y

2.安装python依赖环境

sudo apt-get install build-essential libsqlite3-dev sqlite3 bzip2 libbz2-dev

3.下载python3.7版本源码并解压

1 wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz
2 tar zxvf Python-3.7.1.tgz

4.安装编译

1 cd Python-3.7.1

2

sudo ./configure && sudo make && sudo make install

5.建立软连接
安装python3.7以后我们可以查看python的版本

1 python --version
2 python3 --version

将python3.7.1软链接到python上,方便使用

查看python和python3.7命令在哪

1 which python
2 which python3

建立软链接

1 sudo mv /usr/bin/python /usr/bin/python2.7.13
2 sudo ln -s /usr/local/bin/python3 /usr/bin/python

6.测试是否成功

1 ls -al /usr/local/bin/python*
1 python --version

表示安装编译成功!

假如 Python安装报错：”ModuleNotFoundError:No module named _ctypes“ 的解决方案

sudo apt-get install libffi-dev

https://blog.csdn.net/qq_42353939/article/details/94609591