'''
Simply display the contents of the webcam with optional mirroring using OpenCV 
via the new Pythonic cv2 interface.  Press <esc> to quit.
'''

import cv2

def show_webcam(mirror=False):
  cam = cv2.VideoCapture(0)
	while True:
		ret_val, img = cam.read()
		if mirror: 
			img = cv2.flip(img, 1)
		cv2.imshow('my webcam', img)
		if cv2.waitKey(1) == 27: 
			break  # esc to quit
	cv2.destroyAllWindows()

def main():
	show_webcam(mirror=True)

if __name__ == '__main__':
	main()