mirror of https://github.com/searxng/searxng.git
[fix] rewrite Yahoo-News engine
Many things have been changed since last review of this engine. This patch fix xpath selectors, implements suggestion and is a complete review / rewrite of the engine. Signed-off-by: Markus Heiser <markus@darmarit.de>
This commit is contained in:
Markus Heiser
parent
0d8b369b5b
commit
d2faea423a
1
Makefile
1
Makefile
|
|
@ -196,6 +196,7 @@ PYLINT_FILES=\
|
||||||
searx/engines/google_images.py \
|
searx/engines/google_images.py \
|
||||||
searx/engines/mediathekviewweb.py \
|
searx/engines/mediathekviewweb.py \
|
||||||
searx/engines/google_scholar.py \
|
searx/engines/google_scholar.py \
|
||||||
|
searx/engines/yahoo_news.py \
|
||||||
searx_extra/update/update_external_bangs.py
|
searx_extra/update/update_external_bangs.py
|
||||||
|
|
||||||
test.pylint: pyenvinstall
|
test.pylint: pyenvinstall
|
||||||
|
|
|
||||||
|
|
@ -1,16 +1,35 @@
|
||||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||||
"""
|
"""Yahoo (News)
|
||||||
Yahoo (News)
|
|
||||||
|
Yahoo News is "English only" and do not offer localized nor language queries.
|
||||||
|
|
||||||
"""
|
"""
|
||||||
|
|
||||||
|
# pylint: disable=invalid-name, missing-function-docstring
|
||||||
|
|
||||||
import re
|
import re
|
||||||
from datetime import datetime, timedelta
|
|
||||||
from urllib.parse import urlencode
|
from urllib.parse import urlencode
|
||||||
from lxml import html
|
from datetime import datetime, timedelta
|
||||||
from searx.engines.yahoo import parse_url, language_aliases
|
|
||||||
from searx.engines.yahoo import _fetch_supported_languages, supported_languages_url # NOQA # pylint: disable=unused-import
|
|
||||||
from dateutil import parser
|
from dateutil import parser
|
||||||
from searx.utils import extract_text, extract_url, match_language
|
from lxml import html
|
||||||
|
|
||||||
|
from searx import logger
|
||||||
|
from searx.utils import (
|
||||||
|
eval_xpath_list,
|
||||||
|
eval_xpath_getindex,
|
||||||
|
extract_text,
|
||||||
|
)
|
||||||
|
|
||||||
|
from searx.engines.yahoo import parse_url
|
||||||
|
|
||||||
|
# pylint: disable=unused-import
|
||||||
|
from searx.engines.yahoo import (
|
||||||
|
_fetch_supported_languages,
|
||||||
|
supported_languages_url,
|
||||||
|
)
|
||||||
|
# pylint: enable=unused-import
|
||||||
|
|
||||||
|
logger = logger.getChild('yahoo_news engine')
|
||||||
|
|
||||||
# about
|
# about
|
||||||
about = {
|
about = {
|
||||||
|
|
@ -22,90 +41,78 @@ about = {
|
||||||
"results": 'HTML',
|
"results": 'HTML',
|
||||||
}
|
}
|
||||||
|
|
||||||
# engine dependent config
|
language_support = False
|
||||||
categories = ['news']
|
time_range_support = False
|
||||||
|
safesearch = False
|
||||||
paging = True
|
paging = True
|
||||||
|
categories = ['news']
|
||||||
|
|
||||||
# search-url
|
# search-url
|
||||||
search_url = 'https://news.search.yahoo.com/search?{query}&b={offset}&{lang}=uh3_news_web_gs_1&pz=10&xargs=0&vl=lang_{lang}' # noqa
|
search_url = (
|
||||||
|
'https://news.search.yahoo.com/search'
|
||||||
|
'?{query}&b={offset}'
|
||||||
|
)
|
||||||
|
|
||||||
# specific xpath variables
|
AGO_RE = re.compile(r'([0-9]+)\s*(year|month|week|day|minute|hour)')
|
||||||
results_xpath = '//ol[contains(@class,"searchCenterMiddle")]//li'
|
AGO_TIMEDELTA = {
|
||||||
url_xpath = './/h3/a/@href'
|
'minute': timedelta(minutes=1),
|
||||||
title_xpath = './/h3/a'
|
'hour': timedelta(hours=1),
|
||||||
content_xpath = './/div[@class="compText"]'
|
'day': timedelta(days=1),
|
||||||
publishedDate_xpath = './/span[contains(@class,"tri")]'
|
'week': timedelta(days=7),
|
||||||
suggestion_xpath = '//div[contains(@class,"VerALSOTRY")]//a'
|
'month': timedelta(days=30),
|
||||||
|
'year': timedelta(days=365),
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
# do search-request
|
|
||||||
def request(query, params):
|
def request(query, params):
|
||||||
offset = (params['pageno'] - 1) * 10 + 1
|
offset = (params['pageno'] - 1) * 10 + 1
|
||||||
|
|
||||||
if params['language'] == 'all':
|
params['url'] = search_url.format(
|
||||||
language = 'en'
|
offset = offset,
|
||||||
else:
|
query = urlencode({'p': query})
|
||||||
language = match_language(params['language'], supported_languages, language_aliases).split('-')[0]
|
)
|
||||||
|
logger.debug("query_url --> %s", params['url'])
|
||||||
params['url'] = search_url.format(offset=offset,
|
|
||||||
query=urlencode({'p': query}),
|
|
||||||
lang=language)
|
|
||||||
|
|
||||||
# TODO required?
|
|
||||||
params['cookies']['sB'] = '"v=1&vm=p&fl=1&vl=lang_{lang}&sh=1&pn=10&rw=new'\
|
|
||||||
.format(lang=language)
|
|
||||||
return params
|
return params
|
||||||
|
|
||||||
|
|
||||||
def sanitize_url(url):
|
|
||||||
if ".yahoo.com/" in url:
|
|
||||||
return re.sub("\\;\\_ylt\\=.+$", "", url)
|
|
||||||
else:
|
|
||||||
return url
|
|
||||||
|
|
||||||
|
|
||||||
# get response from search-request
|
|
||||||
def response(resp):
|
def response(resp):
|
||||||
results = []
|
results = []
|
||||||
|
|
||||||
dom = html.fromstring(resp.text)
|
dom = html.fromstring(resp.text)
|
||||||
|
|
||||||
|
|
||||||
# parse results
|
# parse results
|
||||||
for result in dom.xpath(results_xpath):
|
for result in eval_xpath_list(dom, '//ol[contains(@class,"searchCenterMiddle")]//li'):
|
||||||
urls = result.xpath(url_xpath)
|
|
||||||
if len(urls) != 1:
|
url = eval_xpath_getindex(result, './/h4/a/@href', 0, None)
|
||||||
|
if url is None:
|
||||||
continue
|
continue
|
||||||
url = sanitize_url(parse_url(extract_url(urls, search_url)))
|
url = parse_url(url)
|
||||||
title = extract_text(result.xpath(title_xpath)[0])
|
title = extract_text(result.xpath('.//h4/a'))
|
||||||
content = extract_text(result.xpath(content_xpath)[0])
|
content = extract_text(result.xpath('.//p'))
|
||||||
|
img_src = eval_xpath_getindex(result, './/img/@data-src', 0, None)
|
||||||
|
|
||||||
# parse publishedDate
|
item = {
|
||||||
publishedDate = extract_text(result.xpath(publishedDate_xpath)[0])
|
'url': url,
|
||||||
|
'title': title,
|
||||||
|
'content': content,
|
||||||
|
'img_src' : img_src
|
||||||
|
}
|
||||||
|
|
||||||
# still useful ?
|
pub_date = extract_text(result.xpath('.//span[contains(@class,"s-time")]'))
|
||||||
if re.match("^[0-9]+ minute(s|) ago$", publishedDate):
|
ago = AGO_RE.search(pub_date)
|
||||||
publishedDate = datetime.now() - timedelta(minutes=int(re.match(r'\d+', publishedDate).group()))
|
if ago:
|
||||||
elif re.match("^[0-9]+ days? ago$", publishedDate):
|
number = int(ago.group(1))
|
||||||
publishedDate = datetime.now() - timedelta(days=int(re.match(r'\d+', publishedDate).group()))
|
delta = AGO_TIMEDELTA[ago.group(2)]
|
||||||
elif re.match("^[0-9]+ hour(s|), [0-9]+ minute(s|) ago$", publishedDate):
|
pub_date = datetime.now() - delta * number
|
||||||
timeNumbers = re.findall(r'\d+', publishedDate)
|
|
||||||
publishedDate = datetime.now()\
|
|
||||||
- timedelta(hours=int(timeNumbers[0]))\
|
|
||||||
- timedelta(minutes=int(timeNumbers[1]))
|
|
||||||
else:
|
else:
|
||||||
try:
|
try:
|
||||||
publishedDate = parser.parse(publishedDate)
|
pub_date = parser.parse(pub_date)
|
||||||
except:
|
except parser.ParserError:
|
||||||
publishedDate = datetime.now()
|
pub_date = None
|
||||||
|
|
||||||
if publishedDate.year == 1900:
|
if pub_date is not None:
|
||||||
publishedDate = publishedDate.replace(year=datetime.now().year)
|
item['publishedDate'] = pub_date
|
||||||
|
results.append(item)
|
||||||
|
|
||||||
# append result
|
for suggestion in eval_xpath_list(dom, '//div[contains(@class,"AlsoTry")]//td'):
|
||||||
results.append({'url': url,
|
results.append({'suggestion': extract_text(suggestion)})
|
||||||
'title': title,
|
|
||||||
'content': content,
|
|
||||||
'publishedDate': publishedDate})
|
|
||||||
|
|
||||||
# return results
|
|
||||||
return results
|
return results
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue