From 231158eaffe94dc4cb46601ec229318c2266758a Mon Sep 17 00:00:00 2001
From: Jan Szejko <janek37@gmail.com>
Date: Thu, 22 Jun 2017 16:57:27 +0200
Subject: [PATCH] sanitize whitespace and cut private use chars in search query

---
 src/search/views.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/search/views.py b/src/search/views.py
index 67c3fd48f..20b5e8823 100644
--- a/src/search/views.py
+++ b/src/search/views.py
@@ -132,6 +132,10 @@ def hint(request):
 @cache.never_cache
 def main(request):
     query = request.GET.get('q', '')
+    query = ' '.join(query.split())
+    # filter out private use characters
+    import unicodedata
+    query = ''.join(ch for ch in query if unicodedata.category(ch) == 'Co')
 
     if len(query) < 2:
         return render_to_response(
-- 
2.20.1