The script FBConnect.py uses one of the registered apps on facebook (by means of APP_ID and APP_SECRET ) and tries to connect to the user account via OAuth.


References:
[1] http://blog.carduner.net/2010/05/26/authenticating-with-facebook-on-the-command-line-using-p
ython/

[2] http://stackoverflow.com/questions/8100043/facebook-invalid-redirect-uri-but-the-url-looks-fine-to-me

[2] gave the direction to fix a bug in [1]