some python tool for download from bilibili.com or magnet link
(1) login bilibili.com，选择某一video (2) 在浏览器按f12、ctrl+shift+I或“检查”，再按F5刷新 (3)选择network，找到h5_player_op?文件的Request Headers中的Cookie，复制下来
(1) #python bilibili_download.py -c ”上面找到的cookie“ -a avid (2) copy urls of avid_url.txt to thunder(迅雷） or other bittorrent downlad tools.