在centos7.6系統(tǒng)下執(zhí)行pip 安裝軟件時(shí)會(huì)出現(xiàn)如圖提示，python 2.7將在2020年1月1日停止維護(hù)，如何升級(jí)python版本呢？本教程升級(jí)為python 3.7
1.輸入yum install libffi-devel zlib zlib-devel gcc openssl openssl-devel wget -y，按回車(chē)鍵安裝編譯環(huán)境包
2.輸入wget https://www.python.org/ftp/python/3.7.6/Python-3.7.6.
tar.xz，按回車(chē)鍵下載Python3.7源碼包
3.輸入tar -xvf Python-3.7.6.tar.xz按回車(chē)鍵解壓
4.輸入cd Python-3.7.6按回車(chē)鍵進(jìn)入該目錄
5.輸入./configure --prefix=/usr/local/python3.7按回車(chē)鍵配置安裝目錄
6.輸入make && make install按回車(chē)鍵開(kāi)始安裝
7.輸入cp /usr/bin/python /usr/bin/python_old按回車(chē)鍵
8.輸入rm -rf /usr/bin/python按回車(chē)鍵
9.輸入ln -s /usr/local/python3.7/bin/python3.7 /usr/bin/python按回車(chē)鍵
10.輸入python --version按回車(chē)鍵查看版本
11.輸入sed -i 's/python/python_old/g' /usr/bin/yum按回車(chē)鍵
12.輸入sed -i 's/python/python_old/g' /usr/libexec/urlgrabber-ext-down按回車(chē)鍵
13.輸入echo 'export PATH=$PATH:/usr/local/python3.7/bin/' >>/etc/profile按回車(chē)鍵
14.輸入source /etc/profile按回車(chē)鍵
15.此時(shí)執(zhí)行pip3可以正常安裝軟件了
