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searx/searx/engines/yahoo_news.py
2014-09-01 16:17:29 +02:00

93 lines
2.9 KiB
Python

## Yahoo (News)
#
# @website https://news.yahoo.com
# @provide-api yes (https://developer.yahoo.com/boss/search/), $0.80/1000 queries
#
# @using-api no (because pricing)
# @results HTML (using search portal)
# @stable no (HTML can change)
# @parse url, title, content, publishedDate
from urllib import urlencode
from lxml import html
from searx.engines.xpath import extract_text, extract_url
from searx.engines.yahoo import parse_url
from datetime import datetime, timedelta
import re
from dateutil import parser
# engine dependent config
categories = ['news']
paging = True
language_support = True
# search-url
search_url = 'https://news.search.yahoo.com/search?{query}&b={offset}&fl=1&vl=lang_{lang}'
# specific xpath variables
results_xpath = '//div[@class="res"]'
url_xpath = './/h3/a/@href'
title_xpath = './/h3/a'
content_xpath = './/div[@class="abstr"]'
publishedDate_xpath = './/span[@class="timestamp"]'
suggestion_xpath = '//div[@id="satat"]//a'
# do search-request
def request(query, params):
offset = (params['pageno'] - 1) * 10 + 1
if params['language'] == 'all':
language = 'en'
else:
language = params['language'].split('_')[0]
params['url'] = search_url.format(offset=offset,
query=urlencode({'p': query}),
lang=language)
# TODO required?
params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\
.format(lang=language)
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
# parse results
for result in dom.xpath(results_xpath):
url = parse_url(extract_url(result.xpath(url_xpath), search_url))
title = extract_text(result.xpath(title_xpath)[0])
content = extract_text(result.xpath(content_xpath)[0])
# parse publishedDate
publishedDate = extract_text(result.xpath(publishedDate_xpath)[0])
if re.match("^[0-9]+ minute(s|) ago$", publishedDate):
publishedDate = datetime.now() - timedelta(minutes=int(re.match(r'\d+', publishedDate).group())) # noqa
else:
if re.match("^[0-9]+ hour(s|), [0-9]+ minute(s|) ago$",
publishedDate):
timeNumbers = re.findall(r'\d+', publishedDate)
publishedDate = datetime.now()\
- timedelta(hours=int(timeNumbers[0]))\
- timedelta(minutes=int(timeNumbers[1]))
else:
publishedDate = parser.parse(publishedDate)
if publishedDate.year == 1900:
publishedDate = publishedDate.replace(year=datetime.now().year)
# append result
results.append({'url': url,
'title': title,
'content': content,
'publishedDate': publishedDate})
# return results
return results