HelloWorld for Krad in Python!

hw.py

#!/usr/bin/env python
# Hello Krad World Video in Python
from time import sleep
from kradradio_client import Kradradio

# Station name
station_name = "hellokrad"
station = Kradradio(station_name)
 
# Video resolution and frame rate
width = 640
height = 360
fps = 30
 
# Video filename
recording = "/home/admin/hello_krad_world.webm"
 
# Station startup
station.cmd("launch")

# Setting resolution
station.cmd("res "+str(width)+" "+str(height))
 
# Setting framerate
station.cmd("fps "+str(fps))

# Add Text
station.cmd("addtext 'Hello Krad World' 120 150 0 4 40 0 0 244 2 2 Helvetica")

# Start Recording
station.cmd("record video "+recording)

# Show Text
station.cmd("settext 0 120 150 0 4 40 1 0")

# Wait
sleep(3)
 
# Fade Text
station.cmd("settext 0 120 150 0 4 40 0 0")

# Wait
sleep(3)
 
# Shutdown
station.cmd("kill")

krad_radio_client.py

from time import sleep
import shlex
import subprocess
KRAD = "krad_radio"

class Kradradio:
  def __init__(self, sysname):
    self.sysname = sysname

  def cmd(self, cmd):
    fullcmd = KRAD+" "+self.sysname+" "+cmd
  	print(fullcmd)
  	subprocess.call(shlex.split(fullcmd))
  	sleep(0.5)