url = flatURL(spec.url)
html = parse(spec.htmlfilter(spec.fetcher.fetch(url)))
num_chunks = ilen(chunkDOMs(html))
for i, r in enumerate(chunkDOMs(html)):
percent = 100.0 * i / num_chunks
url = flatURL(spec.url)
html = parse(spec.htmlfilter(spec.fetcher.fetch(url)))
num_chunks = ilen(chunkDOMs(html))
for i, r in enumerate(chunkDOMs(html)):
percent = 100.0 * i / num_chunks