mirror of
				https://github.com/searxng/searxng.git
				synced 2025-11-03 11:07:07 -05:00 
			
		
		
		
	This patch was generated by black [1]::
    make format.python
[1] https://github.com/psf/black
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
		
	
			
		
			
				
	
	
		
			134 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# SPDX-License-Identifier: AGPL-3.0-or-later
 | 
						|
"""
 | 
						|
 Wolfram|Alpha (Science)
 | 
						|
"""
 | 
						|
 | 
						|
from json import loads
 | 
						|
from time import time
 | 
						|
from urllib.parse import urlencode
 | 
						|
 | 
						|
from searx.network import get as http_get
 | 
						|
 | 
						|
# about
 | 
						|
about = {
 | 
						|
    "website": 'https://www.wolframalpha.com/',
 | 
						|
    "wikidata_id": 'Q207006',
 | 
						|
    "official_api_documentation": 'https://products.wolframalpha.com/api/',
 | 
						|
    "use_official_api": False,
 | 
						|
    "require_api_key": False,
 | 
						|
    "results": 'JSON',
 | 
						|
}
 | 
						|
 | 
						|
# search-url
 | 
						|
url = 'https://www.wolframalpha.com/'
 | 
						|
 | 
						|
search_url = (
 | 
						|
    url + 'input/json.jsp'
 | 
						|
    '?async=false'
 | 
						|
    '&banners=raw'
 | 
						|
    '&debuggingdata=false'
 | 
						|
    '&format=image,plaintext,imagemap,minput,moutput'
 | 
						|
    '&formattimeout=2'
 | 
						|
    '&{query}'
 | 
						|
    '&output=JSON'
 | 
						|
    '&parsetimeout=2'
 | 
						|
    '&proxycode={token}'
 | 
						|
    '&scantimeout=0.5'
 | 
						|
    '&sponsorcategories=true'
 | 
						|
    '&statemethod=deploybutton'
 | 
						|
)
 | 
						|
 | 
						|
referer_url = url + 'input/?{query}'
 | 
						|
 | 
						|
token = {'value': '', 'last_updated': None}
 | 
						|
 | 
						|
# pods to display as image in infobox
 | 
						|
# this pods do return a plaintext, but they look better and are more useful as images
 | 
						|
image_pods = {'VisualRepresentation', 'Illustration', 'Symbol'}
 | 
						|
 | 
						|
 | 
						|
# seems, wolframalpha resets its token in every hour
 | 
						|
def obtain_token():
 | 
						|
    update_time = time() - (time() % 3600)
 | 
						|
    try:
 | 
						|
        token_response = http_get('https://www.wolframalpha.com/input/api/v1/code?ts=9999999999999999999', timeout=2.0)
 | 
						|
        token['value'] = loads(token_response.text)['code']
 | 
						|
        token['last_updated'] = update_time
 | 
						|
    except:
 | 
						|
        pass
 | 
						|
    return token
 | 
						|
 | 
						|
 | 
						|
def init(engine_settings=None):
 | 
						|
    obtain_token()
 | 
						|
 | 
						|
 | 
						|
# do search-request
 | 
						|
def request(query, params):
 | 
						|
    # obtain token if last update was more than an hour
 | 
						|
    if time() - (token['last_updated'] or 0) > 3600:
 | 
						|
        obtain_token()
 | 
						|
    params['url'] = search_url.format(query=urlencode({'input': query}), token=token['value'])
 | 
						|
    params['headers']['Referer'] = referer_url.format(query=urlencode({'i': query}))
 | 
						|
 | 
						|
    return params
 | 
						|
 | 
						|
 | 
						|
# get response from search-request
 | 
						|
def response(resp):
 | 
						|
    results = []
 | 
						|
 | 
						|
    resp_json = loads(resp.text)
 | 
						|
 | 
						|
    if not resp_json['queryresult']['success']:
 | 
						|
        return []
 | 
						|
 | 
						|
    # TODO handle resp_json['queryresult']['assumptions']
 | 
						|
    result_chunks = []
 | 
						|
    infobox_title = ""
 | 
						|
    result_content = ""
 | 
						|
    for pod in resp_json['queryresult']['pods']:
 | 
						|
        pod_id = pod.get('id', '')
 | 
						|
        pod_title = pod.get('title', '')
 | 
						|
        pod_is_result = pod.get('primary', None)
 | 
						|
 | 
						|
        if 'subpods' not in pod:
 | 
						|
            continue
 | 
						|
 | 
						|
        if pod_id == 'Input' or not infobox_title:
 | 
						|
            infobox_title = pod['subpods'][0]['plaintext']
 | 
						|
 | 
						|
        for subpod in pod['subpods']:
 | 
						|
            if subpod['plaintext'] != '' and pod_id not in image_pods:
 | 
						|
                # append unless it's not an actual answer
 | 
						|
                if subpod['plaintext'] != '(requires interactivity)':
 | 
						|
                    result_chunks.append({'label': pod_title, 'value': subpod['plaintext']})
 | 
						|
 | 
						|
                if pod_is_result or not result_content:
 | 
						|
                    if pod_id != "Input":
 | 
						|
                        result_content = pod_title + ': ' + subpod['plaintext']
 | 
						|
 | 
						|
            elif 'img' in subpod:
 | 
						|
                result_chunks.append({'label': pod_title, 'image': subpod['img']})
 | 
						|
 | 
						|
    if not result_chunks:
 | 
						|
        return []
 | 
						|
 | 
						|
    results.append(
 | 
						|
        {
 | 
						|
            'infobox': infobox_title,
 | 
						|
            'attributes': result_chunks,
 | 
						|
            'urls': [{'title': 'Wolfram|Alpha', 'url': resp.request.headers['Referer']}],
 | 
						|
        }
 | 
						|
    )
 | 
						|
 | 
						|
    results.append(
 | 
						|
        {
 | 
						|
            'url': resp.request.headers['Referer'],
 | 
						|
            'title': 'Wolfram|Alpha (' + infobox_title + ')',
 | 
						|
            'content': result_content,
 | 
						|
        }
 | 
						|
    )
 | 
						|
 | 
						|
    return results
 |