download_image.py

# coding: utf-8
import console
console.set_font('Menlo',18)

import appex
from bs4 import BeautifulSoup
import sys
import urllib2
import os.path

# download, save images
def download(url):
	img = urllib2.urlopen(url)
	localfile = open(os.path.basename(url), 'wb')
	localfile.write(img.read())
	img.close()
	localfile.close()

def main():
	if not appex.is_running_extension():
		print 'This script is intended to be run from the sharing extension.'
		return
	par_url = appex.get_url()
	print par_url
	if not par_url:
		print 'No input URL found.'
		return

	# url access
	res = urllib2.urlopen(par_url)
	# beautifulsoup, perse
	soup = BeautifulSoup(res.read())

	# img, search
	for link in soup.find_all('img'):
		# get image's URL
		img_url = link.get('src')
        	if img_url.startswith('//'):
            		img_url = 'http:' + img_url
		print img_url
		# 
		download(img_url)
	
if __name__ == '__main__':
	main()