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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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6
searx/engines/google_news.py
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@ -13,6 +13,7 @@
from lxml import html
from searx.engines.google import _fetch_supported_languages, supported_languages_url
from searx.url_utils import urlencode
from searx.utils import match_language
# search-url
categories = ['news']
@ -50,8 +51,9 @@ def request(query, params):
params['url'] = search_url.format(query=urlencode({'q': query}),
search_options=urlencode(search_options))
language_array = params['language'].lower().split('-')
params['url'] += '&lr=lang_' + language_array[0]
language = match_language(params['language'], supported_languages).split('-')[0]
if language:
params['url'] += '&lr=lang_' + language
return params