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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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25
tests/unit/test_utils.py
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@ -65,6 +65,31 @@ class TestUtils(SearxTestCase):
for test_url, expected in data:
self.assertEqual(utils.prettify_url(test_url, max_length=32), expected)
def test_match_language(self):
self.assertEqual(utils.match_language('es', ['es']), 'es')
self.assertEqual(utils.match_language('es', [], fallback='fallback'), 'fallback')
self.assertEqual(utils.match_language('ja', ['jp'], {'ja': 'jp'}), 'jp')
aliases = {'en-GB': 'en-UK', 'he': 'iw'}
# guess country
self.assertEqual(utils.match_language('de-DE', ['de']), 'de')
self.assertEqual(utils.match_language('de', ['de-DE']), 'de-DE')
self.assertEqual(utils.match_language('es-CO', ['es-AR', 'es-ES', 'es-MX']), 'es-ES')
self.assertEqual(utils.match_language('es-CO', ['es-MX']), 'es-MX')
self.assertEqual(utils.match_language('en-UK', ['en-AU', 'en-GB', 'en-US']), 'en-GB')
self.assertEqual(utils.match_language('en-GB', ['en-AU', 'en-UK', 'en-US'], aliases), 'en-UK')
# language aliases
self.assertEqual(utils.match_language('iw', ['he']), 'he')
self.assertEqual(utils.match_language('he', ['iw'], aliases), 'iw')
self.assertEqual(utils.match_language('iw-IL', ['he']), 'he')
self.assertEqual(utils.match_language('he-IL', ['iw'], aliases), 'iw')
self.assertEqual(utils.match_language('iw', ['he-IL']), 'he-IL')
self.assertEqual(utils.match_language('he', ['iw-IL'], aliases), 'iw-IL')
self.assertEqual(utils.match_language('iw-IL', ['he-IL']), 'he-IL')
self.assertEqual(utils.match_language('he-IL', ['iw-IL'], aliases), 'iw-IL')
class TestHTMLTextExtractor(SearxTestCase):