server.py 文件源码

def clear():
    """Clears flask session and SQL tables once user is done ."""

    session.clear()
    db.session.query(Track).delete()
    db.session.query(Playlist).delete()
    db.session.query(UserAlbum).delete()
    db.session.query(Album).delete()
    db.session.query(Artist).delete()
    db.session.query(User).delete()
    db.session.commit()
    print "------User's session & data cleared from DB------"
    return redirect('/')