download_parse_images.py

import os
import sys
import getopt
import urllib
import json
from pprint import pprint

if __name__=='__main__':

	try: opts, args = getopt.getopt(sys.argv[1:], 's:d:', [])
	except getopt.GetoptError, e: usage()

	# setting defaults
	source = ""
	dest = ""

	# print arguments
	print "opts\t" + str(opts)
	print "args\t" + str(args)

	# set params to settings
	for optKey, optValue in opts:
		if optKey == '-s': source = optValue
		if optKey == '-d': dest = optValue

	# print settings
	print "source\t" + source
	print "dest\t" + dest

	# load file json
	with open(source) as source_file:    
		data = json.load(source_file)
	
	results = data['results']

	c = 1
	total = len(results)
	for obj in results:

		# progress
		print str(c) + " / " + str(total)
		c += 1

		# has image
		objKeys = obj.keys()
		imageKey = 'image' if ('image' in objKeys) else ('image_main' if ('image_main' in objKeys) else None)
		if imageKey:

			name = obj[imageKey]['name']
			url = obj[imageKey]['url']

			# already downloaded
			downloadPath = dest + "/" + name
			if not os.path.exists(downloadPath):
				print downloadPath
				urllib.urlretrieve(url, downloadPath)
			else:
				print "ALREADY DOWNLOADED"

		# no image
		else:

			print "NO IMAGE"

Correct