import curses
import array
import ctypes

def test(stdscr):
	if curses.chtype_size == 4:
		line = array.array('L', [0] * curses.COLS)
	elif curses.chtype_size == 8: # 64-bit machines
		line = array.array('L', [0] * curses.COLS * 2)
	else:
		raise ValueError("curses.chtype_size = %d" % curses.chtype_size)
	
	buf = ctypes.create_string_buffer(curses.chtype_size * curses.COLS)
	
	string = "Python&curses"
	char_attribs = [
		curses.A_BOLD,
		curses.A_UNDERLINE,
		curses.A_REVERSE,
		curses.A_DIM,
		curses.A_BLINK,
		curses.A_ALTCHARSET,
	]

	for y in xrange(curses.LINES):
		# pic attribute
		attr = char_attribs[y % len(char_attribs)]

		# setup chtype string
		for x in xrange(curses.COLS):
			if curses.chtype_size == 4:
				line[x] = ord(string[x % len(string)]) | attr
			elif curses.chtype_size == 4:
				line[x*2] = ord(string[x % len(string)]) | attr

		# put on string
		stdscr.addchstr(y, 2*y, line)

		# test ctypes buffer
		#buf = line.tostring()
		#stdscr.addchstr(y, 2*y, buf)

	stdscr.getch()

curses.wrapper(test)