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	The language_support variable is set to True by default, and set to False in only 5 engines. Except the documentation and the /config URL, this variable is not used. This commit remove the variable definition in the engines, and set value according to supported_languages length: False when the length is 0, True otherwise. Close #2485
		
			
				
	
	
		
			78 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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 Duden
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"""
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import re
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from urllib.parse import quote, urljoin
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from lxml import html
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from searx.utils import extract_text, eval_xpath, eval_xpath_list, eval_xpath_getindex
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# about
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about = {
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    "website": 'https://www.duden.de',
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    "wikidata_id": 'Q73624591',
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    "official_api_documentation": None,
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    "use_official_api": False,
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    "require_api_key": False,
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    "results": 'HTML',
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}
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categories = ['general']
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paging = True
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# search-url
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base_url = 'https://www.duden.de/'
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search_url = base_url + 'suchen/dudenonline/{query}?search_api_fulltext=&page={offset}'
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def request(query, params):
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    '''pre-request callback
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    params<dict>:
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      method  : POST/GET
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      headers : {}
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      data    : {} # if method == POST
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      url     : ''
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      category: 'search category'
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      pageno  : 1 # number of the requested page
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    '''
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    offset = (params['pageno'] - 1)
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    if offset == 0:
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        search_url_fmt = base_url + 'suchen/dudenonline/{query}'
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        params['url'] = search_url_fmt.format(query=quote(query))
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    else:
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        params['url'] = search_url.format(offset=offset, query=quote(query))
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    # after the last page of results, spelling corrections are returned after a HTTP redirect
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    # whatever the page number is
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    params['soft_max_redirects'] = 1
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    return params
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def response(resp):
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    '''post-response callback
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    resp: requests response object
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    '''
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    results = []
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    dom = html.fromstring(resp.text)
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    number_of_results_element =\
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        eval_xpath_getindex(dom, '//a[@class="active" and contains(@href,"/suchen/dudenonline")]/span/text()',
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                            0, default=None)
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    if number_of_results_element is not None:
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        number_of_results_string = re.sub('[^0-9]', '', number_of_results_element)
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        results.append({'number_of_results': int(number_of_results_string)})
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    for result in eval_xpath_list(dom, '//section[not(contains(@class, "essay"))]'):
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        url = eval_xpath_getindex(result, './/h2/a', 0).get('href')
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        url = urljoin(base_url, url)
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        title = eval_xpath(result, 'string(.//h2/a)').strip()
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        content = extract_text(eval_xpath(result, './/p'))
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        # append result
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        results.append({'url': url,
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                        'title': title,
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                        'content': content})
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    return results
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