第一天

  1. window python 环境安装

python环境变量:path D:\local\python3

pip环境变量 path D:\local\python3\Scripts

window可以默认按照自动设置。其他手工设置

  • 用于检测当前Windows环境中是否已经安装pip。

    python -m pip –version

pip 21.1.3 from D:\local\python3\lib\site-packages\pip (python 3.9)

pip –version pip 21.1.3 from d:\local\python3\lib\site-packages\pip (python 3.9)

where python D:\local\python3\python.exe

d:\local\python3\python.exe -m pip install –upgrade pip

  • pip show 包名来查看包的相关信息

    pip show selenium Name: selenium Version: 3.141.0 License: Apache 2.0 Location: d:\local\python3\lib\site-packages 【第三方包的按照路径】

  1. centos7升级python3

wget https://www.python.org/ftp/python/3.9.7/Python-3.9.7.tgz tar xzvf Python-3.9.7.tgz mkdir /usr/local/python3/ ./configure –prefix=/usr/local/python3 make install mv /usr/bin/python /usr/bin/python.bak mv /usr/bin/pip /usr/bin/pip.bak ln -s /usr/local/python3/bin/python3.8 /usr/bin/python ln -s /usr/local/python3/bin/pip3 /usr/bin/pip python -V vim /usr/bin/yum 把最顶部的#!/usr/bin/python改为:#!/usr/bin/python2.7

centos 下 yum安装python3 yum install -y python36 python3 -V pip3 install selenium python3 ./toutiao1.0.py

项目

参考第三方项目