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refactor engine's search language handling

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Add match_language function in utils to match any user given
language code with a list of engine's supported languages.

Also add language_aliases dict on each engine to translate
standard language codes into the custom codes used by the engine.
This commit is contained in:
Marc Abonce Seguin 2018-02-28 22:30:48 -06:00
parent d1eae9359f
commit 772c048d01
42 changed files with 275 additions and 171 deletions
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7
searx/engines/duckduckgo_definitions.py
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@ -2,9 +2,9 @@ import json
from lxml import html
from re import compile
from searx.engines.xpath import extract_text
from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url
from searx.engines.duckduckgo import _fetch_supported_languages, supported_languages_url, language_aliases
from searx.url_utils import urlencode
from searx.utils import html_to_text
from searx.utils import html_to_text, match_language
url = 'https://api.duckduckgo.com/'\
+ '?{query}&format=json&pretty=0&no_redirect=1&d=1'
@ -24,7 +24,8 @@ def result_to_text(url, text, htmlResult):
def request(query, params):
params['url'] = url.format(query=urlencode({'q': query}))
params['headers']['Accept-Language'] = params['language'].split('-')[0]
language = match_language(params['language'], supported_languages, language_aliases)
params['headers']['Accept-Language'] = language.split('-')[0]
return params