Código fonte do arquivo piCamExplorer.py.

O código fonte aplicação piCamExplorer.py segue abaixo.

# programa piCamExplorer.py
# Copywright by Mauro Assis (assismauro@hotmail.com)
import time
import picamera
import sys
import cv2
import getopt

camera = picamera.PiCamera()

def header():
    print
    print 'piCamExplorer v0.9'
    print

def usage():
    print
    print 'Usage: pyhton piCamExplorer -m(mode m,p or t) -d(secs delay) -n(numbers of pics) -i(secs interval) -h(help)'
    print
    
def main():
    nPic = 10
    interval = 10
    delay = 0
# processa linha de comando
    try:    
        opts, args = getopt.getopt(sys.argv[1:],'m:d:n:i:h')
    except getopt.GetoptError:
        usage()
        sys.exit(2)
    camera.resolution = (1024, 768)
    camera.vflip = True
    mode = ''
    for opt, arg in opts:
        if opt == '-h':
            usage()
        elif opt == '-m':
            mode = arg;
        elif opt == '-n':
            nPic = int(arg)
        elif opt == '-i':
            interval = int(arg)
        elif opt == '-d':
            delay = int(arg)
# funções            
# filme
    if mode == 'm':
        print 'Movie mode'
        camera.start_preview()
        time.sleep(interval)
        camera.stop_preview()
    elif mode == 'p':
# foto 
        print 'Picture mode'
        camera.capture('pict.jpg')
        time.sleep(2);
        img = cv2.imread('pict.jpg')
        cv2.imshow('pict',img)
        cv2.waitKey(0)
        cv2.destroyAllWindows()
# timeslice
  elif mode == 't':
        print 'Time-lapse mode'
        print 'Delay (h): ', float(delay)/3600.0
        print 'Now: ',time.ctime()
        time.sleep(delay)
        print 'Start time: ',time.ctime()
        for i in range(0,nPic):
            fName='pict'+str(i).rjust(5,'0')+'.jpg'
            camera.capture(fName)
            print fName
            time.sleep(interval)
    
header()
try:
    main()
except:
    print 'Error: ',sys.exc_info()[0]
    usage()