#!/usr/bin/env python

import os

#
# Prints the call to
# stdout, and then sends it
# to the OS.
#
def system_call(s):
	print s
	os.system(s)


#
# Clear out the directories. "small"
# contains thumbnails, and "medium"
# contains web-sized photographs.
#
for d in ("small", "medium"):

	system_call("rm -rf " + d)
	system_call("mkdir " + d)



files = os.listdir("photographs")

for file in files:

	if file != ".directory":

		system_call("convert -resize 640x480 photographs/" + file + " medium/" + file)
		system_call("convert -resize 160x120 medium/" + file + " small/" + file)