mac电脑上自带python2.7,但是没有requests库
终端:
pip install requests
pip: command not found
解决:
sudo easy_install pip
..省略..
Extracting pip-18.1-py2.7.egg to /Library/Python/2.7/site-packages
Adding pip 18.1 to easy-install.pth file
Installing pip script to /usr/local/bin
Installing pip2.7 script to /usr/local/bin
Installing pip2 script to /usr/local/bin
成功安装pip后:还是找不到pip命令
这时候可能是没有配置$PATH变量
解决一:此时echo $PATH 查看pip的安装目录是否在PATH中,如果没有,在~/.bash_profile中添加export PATH=$PATH:/usr/local/bin(假设pip的安装目录为/usr/local/bin)然后source ~/.bash_profile使之生效
解决二:直接使用全路径命令,/usr/local/bin/pip(假如pip安装目录是/usr/local/bin/)
解决三:使用简化命令:alias,在编辑~/.bash_profile文件,
alias pip=/usr/local/bin/pip