first commit
This commit is contained in:
Iyas Altawil
266
searx/engines/yahoo.py
Normal file
266
searx/engines/yahoo.py
Normal file
@@ -0,0 +1,266 @@
|
||||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
"""Yahoo Search (Web)
|
||||
|
||||
Languages are supported by mapping the language to a domain. If domain is not
|
||||
found in :py:obj:`lang2domain` URL ``<lang>.search.yahoo.com`` is used.
|
||||
|
||||
"""
|
||||
|
||||
from typing import TYPE_CHECKING
|
||||
from urllib.parse import (
|
||||
unquote,
|
||||
urlencode,
|
||||
)
|
||||
from lxml import html
|
||||
|
||||
from searx.utils import (
|
||||
eval_xpath_getindex,
|
||||
eval_xpath_list,
|
||||
extract_text,
|
||||
html_to_text,
|
||||
)
|
||||
from searx.enginelib.traits import EngineTraits
|
||||
|
||||
traits: EngineTraits
|
||||
|
||||
if TYPE_CHECKING:
|
||||
import logging
|
||||
|
||||
logger: logging.Logger
|
||||
|
||||
# about
|
||||
about = {
|
||||
"website": 'https://search.yahoo.com/',
|
||||
"wikidata_id": None,
|
||||
"official_api_documentation": 'https://developer.yahoo.com/api/',
|
||||
"use_official_api": False,
|
||||
"require_api_key": False,
|
||||
"results": 'HTML',
|
||||
}
|
||||
|
||||
# engine dependent config
|
||||
categories = ['general', 'web']
|
||||
paging = True
|
||||
time_range_support = True
|
||||
# send_accept_language_header = True
|
||||
|
||||
time_range_dict = {'day': 'd', 'week': 'w', 'month': 'm'}
|
||||
safesearch_dict = {0: 'p', 1: 'i', 2: 'r'}
|
||||
|
||||
region2domain = {
|
||||
"CO": "co.search.yahoo.com", # Colombia
|
||||
"TH": "th.search.yahoo.com", # Thailand
|
||||
"VE": "ve.search.yahoo.com", # Venezuela
|
||||
"CL": "cl.search.yahoo.com", # Chile
|
||||
"HK": "hk.search.yahoo.com", # Hong Kong
|
||||
"PE": "pe.search.yahoo.com", # Peru
|
||||
"CA": "ca.search.yahoo.com", # Canada
|
||||
"DE": "de.search.yahoo.com", # Germany
|
||||
"FR": "fr.search.yahoo.com", # France
|
||||
"TW": "tw.search.yahoo.com", # Taiwan
|
||||
"GB": "uk.search.yahoo.com", # United Kingdom
|
||||
"UK": "uk.search.yahoo.com",
|
||||
"BR": "br.search.yahoo.com", # Brazil
|
||||
"IN": "in.search.yahoo.com", # India
|
||||
"ES": "espanol.search.yahoo.com", # Espanol
|
||||
"PH": "ph.search.yahoo.com", # Philippines
|
||||
"AR": "ar.search.yahoo.com", # Argentina
|
||||
"MX": "mx.search.yahoo.com", # Mexico
|
||||
"SG": "sg.search.yahoo.com", # Singapore
|
||||
}
|
||||
"""Map regions to domain"""
|
||||
|
||||
lang2domain = {
|
||||
'zh_chs': 'hk.search.yahoo.com',
|
||||
'zh_cht': 'tw.search.yahoo.com',
|
||||
'any': 'search.yahoo.com',
|
||||
'en': 'search.yahoo.com',
|
||||
'bg': 'search.yahoo.com',
|
||||
'cs': 'search.yahoo.com',
|
||||
'da': 'search.yahoo.com',
|
||||
'el': 'search.yahoo.com',
|
||||
'et': 'search.yahoo.com',
|
||||
'he': 'search.yahoo.com',
|
||||
'hr': 'search.yahoo.com',
|
||||
'ja': 'search.yahoo.com',
|
||||
'ko': 'search.yahoo.com',
|
||||
'sk': 'search.yahoo.com',
|
||||
'sl': 'search.yahoo.com',
|
||||
}
|
||||
"""Map language to domain"""
|
||||
|
||||
yahoo_languages = {
|
||||
"all": "any",
|
||||
"ar": "ar", # Arabic
|
||||
"bg": "bg", # Bulgarian
|
||||
"cs": "cs", # Czech
|
||||
"da": "da", # Danish
|
||||
"de": "de", # German
|
||||
"el": "el", # Greek
|
||||
"en": "en", # English
|
||||
"es": "es", # Spanish
|
||||
"et": "et", # Estonian
|
||||
"fi": "fi", # Finnish
|
||||
"fr": "fr", # French
|
||||
"he": "he", # Hebrew
|
||||
"hr": "hr", # Croatian
|
||||
"hu": "hu", # Hungarian
|
||||
"it": "it", # Italian
|
||||
"ja": "ja", # Japanese
|
||||
"ko": "ko", # Korean
|
||||
"lt": "lt", # Lithuanian
|
||||
"lv": "lv", # Latvian
|
||||
"nl": "nl", # Dutch
|
||||
"no": "no", # Norwegian
|
||||
"pl": "pl", # Polish
|
||||
"pt": "pt", # Portuguese
|
||||
"ro": "ro", # Romanian
|
||||
"ru": "ru", # Russian
|
||||
"sk": "sk", # Slovak
|
||||
"sl": "sl", # Slovenian
|
||||
"sv": "sv", # Swedish
|
||||
"th": "th", # Thai
|
||||
"tr": "tr", # Turkish
|
||||
"zh": "zh_chs", # Chinese (Simplified)
|
||||
"zh_Hans": "zh_chs",
|
||||
'zh-CN': "zh_chs",
|
||||
"zh_Hant": "zh_cht", # Chinese (Traditional)
|
||||
"zh-HK": "zh_cht",
|
||||
'zh-TW': "zh_cht",
|
||||
}
|
||||
|
||||
|
||||
def build_sb_cookie(cookie_params):
|
||||
"""Build sB cookie parameter from provided parameters.
|
||||
|
||||
:param cookie_params: Dictionary of cookie parameters
|
||||
:type cookie_params: dict
|
||||
:returns: Formatted cookie string
|
||||
:rtype: str
|
||||
|
||||
Example:
|
||||
>>> cookie_params = {'v': '1', 'vm': 'p', 'fl': '1', 'vl': 'lang_fr'}
|
||||
>>> build_sb_cookie(cookie_params)
|
||||
'v=1&vm=p&fl=1&vl=lang_fr'
|
||||
"""
|
||||
|
||||
cookie_parts = []
|
||||
for key, value in cookie_params.items():
|
||||
cookie_parts.append(f"{key}={value}")
|
||||
|
||||
return "&".join(cookie_parts)
|
||||
|
||||
|
||||
def request(query, params):
|
||||
"""Build Yahoo search request."""
|
||||
|
||||
lang, region = (params["language"].split("-") + [None])[:2]
|
||||
lang = yahoo_languages.get(lang, "any")
|
||||
|
||||
# Build URL parameters
|
||||
# - p (str): Search query string
|
||||
# - btf (str): Time filter, maps to values like 'd' (day), 'w' (week), 'm' (month)
|
||||
# - iscqry (str): Empty string, necessary for results to appear properly on first page
|
||||
# - b (int): Search offset for pagination
|
||||
# - pz (str): Amount of results expected for the page
|
||||
url_params = {'p': query}
|
||||
|
||||
btf = time_range_dict.get(params['time_range'])
|
||||
if btf:
|
||||
url_params['btf'] = btf
|
||||
|
||||
if params['pageno'] == 1:
|
||||
url_params['iscqry'] = ''
|
||||
elif params['pageno'] >= 2:
|
||||
url_params['b'] = params['pageno'] * 7 + 1 # 8, 15, 21, etc.
|
||||
url_params['pz'] = 7
|
||||
url_params['bct'] = 0
|
||||
url_params['xargs'] = 0
|
||||
|
||||
# Build sB cookie (for filters)
|
||||
# - vm (str): SafeSearch filter, maps to values like 'p' (None), 'i' (Moderate), 'r' (Strict)
|
||||
# - fl (bool): Indicates if a search language is used or not
|
||||
# - vl (str): The search language to use (e.g. lang_fr)
|
||||
sbcookie_params = {
|
||||
'v': 1,
|
||||
'vm': safesearch_dict[params['safesearch']],
|
||||
'fl': 1,
|
||||
'vl': f'lang_{lang}',
|
||||
'pn': 10,
|
||||
'rw': 'new',
|
||||
'userset': 1,
|
||||
}
|
||||
params['cookies']['sB'] = build_sb_cookie(sbcookie_params)
|
||||
|
||||
# Search region/language
|
||||
domain = region2domain.get(region)
|
||||
if not domain:
|
||||
domain = lang2domain.get(lang, f'{lang}.search.yahoo.com')
|
||||
logger.debug(f'domain selected: {domain}')
|
||||
logger.debug(f'cookies: {params["cookies"]}')
|
||||
|
||||
params['url'] = f'https://{domain}/search?{urlencode(url_params)}'
|
||||
params['domain'] = domain
|
||||
|
||||
|
||||
def parse_url(url_string):
|
||||
"""remove yahoo-specific tracking-url"""
|
||||
|
||||
endings = ['/RS', '/RK']
|
||||
endpositions = []
|
||||
start = url_string.find('http', url_string.find('/RU=') + 1)
|
||||
|
||||
for ending in endings:
|
||||
endpos = url_string.rfind(ending)
|
||||
if endpos > -1:
|
||||
endpositions.append(endpos)
|
||||
|
||||
if start == 0 or len(endpositions) == 0:
|
||||
return url_string
|
||||
|
||||
end = min(endpositions)
|
||||
return unquote(url_string[start:end])
|
||||
|
||||
|
||||
def response(resp):
|
||||
"""parse response"""
|
||||
|
||||
results = []
|
||||
dom = html.fromstring(resp.text)
|
||||
|
||||
url_xpath = './/div[contains(@class,"compTitle")]/h3/a/@href'
|
||||
title_xpath = './/h3//a/@aria-label'
|
||||
|
||||
domain = resp.search_params['domain']
|
||||
if domain == "search.yahoo.com":
|
||||
url_xpath = './/div[contains(@class,"compTitle")]/a/@href'
|
||||
title_xpath = './/div[contains(@class,"compTitle")]/a/h3/span'
|
||||
|
||||
# parse results
|
||||
for result in eval_xpath_list(dom, '//div[contains(@class,"algo-sr")]'):
|
||||
url = eval_xpath_getindex(result, url_xpath, 0, default=None)
|
||||
if url is None:
|
||||
continue
|
||||
url = parse_url(url)
|
||||
|
||||
title = eval_xpath_getindex(result, title_xpath, 0, default='')
|
||||
title: str = extract_text(title)
|
||||
content = eval_xpath_getindex(result, './/div[contains(@class, "compText")]', 0, default='')
|
||||
content: str = extract_text(content, allow_none=True)
|
||||
|
||||
# append result
|
||||
results.append(
|
||||
{
|
||||
'url': url,
|
||||
# title sometimes contains HTML tags / see
|
||||
# https://github.com/searxng/searxng/issues/3790
|
||||
'title': " ".join(html_to_text(title).strip().split()),
|
||||
'content': " ".join(html_to_text(content).strip().split()),
|
||||
}
|
||||
)
|
||||
|
||||
for suggestion in eval_xpath_list(dom, '//div[contains(@class, "AlsoTry")]//table//a'):
|
||||
# append suggestion
|
||||
results.append({'suggestion': extract_text(suggestion)})
|
||||
|
||||
return results
|
||||
Reference in New Issue
Block a user