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Commit cfd21bc4 authored by Alexandre Flament's avatar Alexandre Flament
Browse files

[fix] fix duckduckgo engine 

- remove paging support: a "vqd" parameter is required between each request. This parameter is uniq for each request
- update the URL (no redirect), use the POST method
- language support: works if there is no more than request per minute, otherwise it is ignored !
parent a05c660e

searx/engines/duckduckgo.py

+13 −30
Original line number Diff line number Diff line
@@ -21,7 +21,7 @@ from searx.utils import extract_text, match_language, eval_xpath 


# engine dependent config

categories = ['general']

paging = True

paging = False

language_support = True

supported_languages_url = 'https://duckduckgo.com/util/u172.js'

time_range_support = True
@@ -37,9 +37,7 @@ language_aliases = { 
}



# search-url

url = 'https://duckduckgo.com/html?{query}&s={offset}&dc={dc_param}'

time_range_url = '&df={range}'



url = 'https://html.duckduckgo.com/html'

time_range_dict = {'day': 'd',

                   'week': 'w',

                   'month': 'm'}
@@ -65,36 +63,21 @@ def get_region_code(lang, lang_list=[]): 




def request(query, params):

    if params['time_range'] not in (None, 'None', '') and params['time_range'] not in time_range_dict:

    if params['time_range'] is not None and params['time_range'] not in time_range_dict:

        return params



    offset = (params['pageno'] - 1) * 30



    region_code = get_region_code(params['language'], supported_languages)

    params['url'] = 'https://duckduckgo.com/html/'

    if params['pageno'] > 1:

    params['url'] = url

    params['method'] = 'POST'

    params['data']['b'] = ''

    params['data']['q'] = query

        params['data']['s'] = offset

        params['data']['dc'] = 30

        params['data']['nextParams'] = ''

        params['data']['v'] = 'l'

        params['data']['o'] = 'json'

        params['data']['api'] = '/d.js'

        if params['time_range'] in time_range_dict:

            params['data']['df'] = time_range_dict[params['time_range']]

    params['data']['df'] = ''



    region_code = get_region_code(params['language'], supported_languages)

    if region_code:

        params['data']['kl'] = region_code

    else:

        if region_code:

            params['url'] = url.format(

                query=urlencode({'q': query, 'kl': region_code}), offset=offset, dc_param=offset)

        else:

            params['url'] = url.format(

                query=urlencode({'q': query}), offset=offset, dc_param=offset)



        params['cookies']['kl'] = region_code

    if params['time_range'] in time_range_dict:

            params['url'] += time_range_url.format(range=time_range_dict[params['time_range']])

        params['data']['df'] = time_range_dict[params['time_range']]



    return params