applesauce.py

from lxml.cssselect import CSSSelector
import lxml.html
import requests
import re

id_finder = re.compile('\/id([0-9]+)')

def extract_id(linkstr):
    mid = id_finder.search(linkstr)
    if mid:
        return mid.group(1)
    else:
        return "not found"


def main(params):
	r = requests.get('http://www.apple.com/itunes/charts/free-apps/')
	tree = lxml.html.fromstring(r.text)
	sel = CSSSelector('div.section-content ul li h3 a')
	results = sel(tree)
	return {'result' : [{"id": extract_id(x.get('href')), "title": x.text}
         	for x in
         	results]}