[mod] new plugin: Autodetect search language

3 files changed, 20 insertions, 0 deletions

diff --git a/searx/data/lid.176.ftz b/searx/data/lid.176.ftz
new file mode 100755
index 000000000..1fb85b357
--- /dev/null
+++ b/searx/data/lid.176.ftz
diff --git a/searx/plugins/autodetect_search_language.py b/searx/plugins/autodetect_search_language.py
new file mode 100644
index 000000000..3bcb80098
--- /dev/null
+++ b/searx/plugins/autodetect_search_language.py
@@ -0,0 +1,19 @@
+import fasttext
+import os
+from flask_babel import gettext
+
+name = gettext('Autodetect search language')
+description = gettext('Automatically detect the query search language and switch to it.')
+preference_section = 'general'
+default_on = False
+
+
+fasttext.FastText.eprint = lambda x: None
+model = fasttext.load_model(os.path.dirname(os.path.realpath(__file__)) + '/../data/lid.176.ftz')
+
+
+def pre_search(request, search):
+    lang = model.predict(search.search_query.query, k=1)
+    if lang[1][0] >= 0.3:
+        search.search_query.lang = lang[0][0].split('__label__')[1]
+    return True
diff --git a/searx/settings.yml b/searx/settings.yml
index 21793124d..9dc2199e5 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -196,6 +196,7 @@ outgoing:
 #   - 'Open Access DOI rewrite'
 #   - 'Vim-like hotkeys'
 #   - 'Tor check plugin'
+#   - 'Autodetect search language'
 
 # Configuration of the "Hostname replace" plugin:
 #