1. Python 2.7 (http://www.python.org/getit/)
2. sqlite3 (http://www.sqlite.org/download.html)

To Download Videos

1. Edit the url's in the script suitably.
2. Then run videos.py to create the database.
3. Run videos.py again to start download.

The script will download videos and srt's which are present in the database and update the database after a successful download, so you may resume downloading anytime.