Ubuntu Screencasting Script: FFmpeg & VLC & send-notify

#!/usr/bin/python
#/home/clockworkpc/bin/screencast.py

# Released under a GPLv3 Licence by Clockwork PC 2013
# www.clockworkpc.com.au

# You are entitled to the following four freedoms:
# Freedom 0: To run this program for any purpose
# Freedom 1: To study how this program works and change it to make it do what you wish
# Freedom 2: To redistribute copies so you can help your neighbour
# Freedom 3: To distribute copies of your modified version to others

import os, datetime, pynotify

py_notify_title = "Screencast"
py_notify_message = "Video has been merged"

def sendmessage(py_notify_title, py_notify_message):
    pynotify.init("Test")
    notice = pynotify.Notification(py_notify_title, py_notify_message)
    notice.show()
    return

now = datetime.datetime.now()
nowstring = str(now.strftime("%Y-%m-%d_%A_%H:%M:%S"))

binFolder = os.getenv("HOME") + "/Videos/Desktop_Recording/" + nowstring + "/"
videoStream = binFolder + "desktop_recording_on_" + nowstring + ".mkv"
audioStream = binFolder + "microphone_input_on_" + nowstring + ".mp3"
mergedVideo = binFolder + "screencast_on_" + nowstring + ".mkv"

# Create datestamped folder
os.system("mkdir " + binFolder)

#Record video stream with FFmpeg
os.system("gnome-terminal -x ffmpeg -f x11grab -r 30 -s 1366x768 -i :0.0 -c:v libx264 -threads 0 " + videoStream)

#Record audio stream with FFmpeg
os.system("gnome-terminal -x ffmpeg -f alsa -ac 2 -i pulse " + audioStream)

#Capture webcam with VLC
os.system("gnome-terminal -x cvlc --intf rc v4l2:// :v4l2-dev=/dev/video0 :v4l2-width=320 :v4l2-height=240")

#Rename VLC screencast window, move it to top-right corner, and make it sticky
os.system("sleep 1 && xdotool  search --name " + '"' + "VLC Media Player" + '"' + " windowmove 1046 0 set_window --name " + '"' + "TCG Screencast" + '"' + " windowraise")
#Not sure how to make it visible in all workspaces though, for some reason the command "wmctrl -r <WIN> -b add,sticky" doesn't work with os.system

convertPrompt = input("""Do you want to merge the streams?
1. Yes
2. No

Please enter your choice: """)

if convertPrompt == 1:
    os.system("gnome-terminal -x ffmpeg -i " + videoStream + " -i " + audioStream + " -b 2000k " + mergedVideo)
    sendmessage(py_notify_title, py_notify_message)
else:
    exitQuestion = input("Are you done? (Press 1) ")
    if exitQuestion == 1:
        exit()
    else:
        exit()

exitQuestionFinal = input("Are you done? (Press 1) ")
if exitQuestionFinal == 1:
    os.system("nautilus " + binFolder)
    exit()
else:
    exit()