python 模块收集
ftplib
pexpect
telnetlib
https://github.com/camelot-dev/camelot 处理提取pdf 解决安装问题https://camelot-py.readthedocs.io/en/master/user/install-deps.html
ffmpy安装：pip install ffmpy -i https://pypi.douban.com/simple
安装execjs模块,调用js代码中的函数：pip install pyexecjs
