Python • Re: Issue with 2 python scripts running simultaneously

Code:

from picamera2.encoders import H264Encoder, Qualityfrom picamera2.outputs import CircularOutputfrom picamera2 import Picamera2import time, os, subprocessfrom datetime import datetimeimport RPi.GPIO as GPIOpicam2 = Picamera2()video_config = picam2.create_video_configuration(main={"size":(1280,960)})picam2.configure(video_config)encoder = H264Encoder(bitrate=10000000)output = CircularOutput()picam2.start_recording(encoder, output) #####GPIO.setmode(GPIO.BCM)GPIO_PIR = 4#print("PIR Module Holding Time Test (CTRL-C to exit)")#GPIO.setup(GPIO_PIR,GPIO.IN)Current_State  = 0Previous_State = 0# Start: used for remux and uploadffmpeg = Nonemotions = []uploading = False# Initialize unconverted motionswith os.scandir('/home/pi/Video/') as items:  for item in items:    if item.is_file() and item.name.endswith('.h264'): motions += [item.path]def remux_and_upload():  global ffmpeg, motions, uploading  if (ffmpeg == None) and (len(motions) > 0):    #Start conversion    ffmpeg = subprocess.Popen(['/usr/bin/ffmpeg', '-i', motions[0], '-c copy', motions[0][:-4] + 'mp4'])  elif (ffmpeg != None) and (ffmpeg.poll() != None):    if ffmpeg.returncode == 0:      #Conversion succeeded, delete .h264 and upload .mp4      uploading = True      os.remove(motions[0])      subprocess.Popen(['/path/to/uploadscript.py', motions[0][:-4] + 'mp4'])    else:      #Conversion failed      print('Conversion of "' + motions[0] + '" failed with exit code ' + str(ffmpeg.returncode))    #Set ffmpeg to none to allow next conversion and remove the processed item from the list    ffmpeg = None    del motions[0]# End: used for remux and upload    try:  print("Waiting for PIR to settle ...")  # Loop until PIR output is 0  while GPIO.input(GPIO_PIR)==1:    Current_State  = 0  print("  Ready")  # Loop until users quits with CTRL-C  while True :    # Read PIR state    Current_State = GPIO.input(GPIO_PIR)    if Current_State==1 and Previous_State==0:      # PIR is triggered      if not uploading:        start_time=time.time()        print("  Motion detected!")        fecha = datetime.now().strftime("%a-%d.%m.%Y-%H_%M_%S")        nombre = '/home/pi/Videos/PIR-IR-' + fecha + '.h264'        nombre2 = '/home/pi/Videos/PIR-IR-' + fecha + '.mp4'        output.fileoutput = nombre ####        output.start()      # Record previous state      Previous_State=1    elif Current_State==0 and Previous_State==1:      # PIR has returned to ready state      if not uploading:        stop_time=time.time()        ####picam2.stop_recording()        output.stop()        motions += [output.fileoutput]        elapsed_time=int(stop_time-start_time)        print(" (Elapsed time : " + str(elapsed_time) + " secs)")        print("  Ready ")      Previous_State=0      uploading=False    else:      remux_and_upload()    #Allow CPU to breathe for 1/4 second    time.sleep(.25)except KeyboardInterrupt:  print("  Quit")  # Reset GPIO settings  GPIO.cleanup()