CentOS / Ubuntu 安装 python-chardet

wget -O chardet-3.0.4.tar.gz https://github.com/chardet/chardet/archive/3.0.4.tar.gz
tar -zxf chardet-3.0.4.tar.gz
cd chardet-3.0.4 
python setup.py install 

如果出现 -bash: pip: command not found 错误, 先安装 pip