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@e9t e9t/ Secret

forked from cornchz/
Created Mar 21, 2014
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#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-
See also:
- Scrapy: framework
- lxml (faster parsing)
- BeautifulSoup: broken HTML
- html5lib
- xpath (alt. to CSS selectors)
- permanent storage such as Redis
- task queue like Celery
from __future__ import unicode_literals
from urlparse import urljoin
import gevent
from gevent import monkey; monkey.patch_all()
from pyquery import PyQuery
import requests
def fetch_page(url):
r = requests.get(url)
return r.text
def list_from_html(html, selector):
d = PyQuery(html)
items = d(selector)
return items
def extract_article(item, baseurl=''):
title = item.find('h3').find('a')
url = urljoin(baseurl, PyQuery(title).attr['href'])
subpage_html = fetch_page(url)
video = PyQuery(subpage_html)('.video').find('iframe')
video_url = urljoin(baseurl, PyQuery(video).attr['src'])
return {
'title': title.text,
'summary': item.find('p').text,
'url': url,
'video': video_url,
def print_article(article):
print '''Title: {title}
Summary: {summary}
URL: {url}
Video: {video}
def crawl_page(url):
html = fetch_page(url)
items = list_from_html(html, 'li[class*="NE=a:onl"]')
jobs = [gevent.spawn(extract_article, item, baseurl=url) for item in items]
articles = [job.value for job in jobs]
return articles
if __name__ == '__main__':
url = ''
articles = crawl_page(url)
map(print_article, articles)
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