[mod] speed optimization

compile XPath only once
avoid redundant call to urlparse
get_locale(webapp.py): avoid useless call to request.accept_languages.best_match

1 files changed, 5 insertions, 5 deletions

diff --git a/searx/engines/duckduckgo.py b/searx/engines/duckduckgo.py
index e77ef0126..0d2c0af2d 100644
--- a/searx/engines/duckduckgo.py
+++ b/searx/engines/duckduckgo.py
@@ -18,7 +18,7 @@ from json import loads
 from searx.engines.xpath import extract_text
 from searx.poolrequests import get
 from searx.url_utils import urlencode
-from searx.utils import match_language
+from searx.utils import match_language, eval_xpath
 
 # engine dependent config
 categories = ['general']
@@ -106,19 +106,19 @@ def response(resp):
     doc = fromstring(resp.text)
 
     # parse results
-    for i, r in enumerate(doc.xpath(result_xpath)):
+    for i, r in enumerate(eval_xpath(doc, result_xpath)):
         if i >= 30:
             break
         try:
-            res_url = r.xpath(url_xpath)[-1]
+            res_url = eval_xpath(r, url_xpath)[-1]
         except:
             continue
 
         if not res_url:
             continue
 
-        title = extract_text(r.xpath(title_xpath))
-        content = extract_text(r.xpath(content_xpath))
+        title = extract_text(eval_xpath(r, title_xpath))
+        content = extract_text(eval_xpath(r, content_xpath))
 
         # append result
         results.append({'title': title,