0.配置依賴環境,如果不進行這步可能會出現一些問題
中間可能有多餘空格,去除下再運行,一般都能安裝成功,如果不能可以先更新下sudo apt-get update
sudo apt-get install zlib1g-dev libbz2-dev libssl-dev libncurses5-dev libsqlite3-dev
libreadline-dev tk-dev libgdbm-dev libdb-dev libpcap-dev xz-utils libexpat1-dev
liblzma-dev libffi-dev libc6-dev
1.直接去官網下載你想的版本
2.解壓下載的包,在這之前你可以先mv你的包到指定位置解壓
jianjiacheng@J-computer:~$ tar zxvf Python-3.7.1
3.進入解壓目錄
jianjiacheng@J-computer:~$ cd Python-3.7.1/
4.建立安裝的目錄
sudo mkdir -p /usr/local/python3
5.編譯安裝
執行這步是後面最好加上 --enable-optimizations 會自動安裝pip3及優化配置
# ./configure --prefix=/usr/local/python3 --enable-optimizations
# make
# sudo make install
6.刪除軟鏈接
先執行查看版本,如果有則證明軟鏈接已存在,需要先刪去以前的再重新建立
//這裏表明我已有python3的軟鏈接而沒有pip3的軟鏈接所以需要刪除python3的軟鏈接重新建立
jianjiacheng@J-computer:~/Python-3.7.1$ python3 -V
Python 3.5.2
jianjiacheng@J-computer:~$ pip3 -V
bash: /usr/lib/command-not-found: /usr/bin/python3: bad interpreter: No such file or directory
rm -rf /usr/bin/python3
rm -rf /usr/bin/pip3
7.建立新的指向python3.7的軟鏈接
#添加python3的軟鏈接
ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3
#添加 pip3 的軟鏈接
ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3
8.檢測版本
jianjiacheng@J-computer:~$ python3 -V
Python 3.7.1
jianjiacheng@J-computer:~$ pip3 -V
pip 10.0.1 from /usr/local/python3/lib/python3.7/site-packages/pip (python 3.7)