From 7e201cbf65bdfe961fd5c9b97d92e822824a1dcb Mon Sep 17 00:00:00 2001
From: Dalf <alex@al-f.net>
Date: Thu, 18 Jul 2019 21:32:17 +0200
Subject: [PATCH 1/2] [mod] use cache in _match_language function to speed up
 searx start time significantly

---
 searx/utils.py | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/searx/utils.py b/searx/utils.py
index 6619dd0ae..b7e914557 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -47,6 +47,8 @@ blocked_tags = ('script',
 useragents = json.loads(open(os.path.dirname(os.path.realpath(__file__))
                              + "/data/useragents.json", 'r', encoding='utf-8').read())
 
+lang_to_lc_cache = dict()
+
 
 def searx_useragent():
     return 'searx/{searx_version} {suffix}'.format(
@@ -183,7 +185,7 @@ def get_resources_directory(searx_directory, subdirectory, resources_directory):
     if not resources_directory:
         resources_directory = os.path.join(searx_directory, subdirectory)
     if not os.path.isdir(resources_directory):
-        raise Exception(directory + " is not a directory")
+        raise Exception(resources_directory + " is not a directory")
     return resources_directory
 
 
@@ -314,6 +316,17 @@ def is_valid_lang(lang):
         return False
 
 
+def _get_lang_to_lc_dict(lang_list):
+    key = str(lang_list)
+    value = lang_to_lc_cache.get(key, None)
+    if value is None:
+        value = dict()
+        for lc in lang_list:
+            value.setdefault(lc.split('-')[0], lc)
+        lang_to_lc_cache[key] = value
+    return value
+
+
 # auxiliary function to match lang_code in lang_list
 def _match_language(lang_code, lang_list=[], custom_aliases={}):
     # replace language code with a custom alias if necessary
@@ -334,11 +347,7 @@ def _match_language(lang_code, lang_list=[], custom_aliases={}):
             return new_code
 
     # try to get the any supported country for this language
-    for lc in lang_list:
-        if lang_code == lc.split('-')[0]:
-            return lc
-
-    return None
+    return _get_lang_to_lc_dict(lang_list).get(lang_code, None)
 
 
 # get the language code from lang_list that best matches locale_code

From da0ce5880fc636acb3356bfa93801a90ec06fa35 Mon Sep 17 00:00:00 2001
From: Dalf <alex@al-f.net>
Date: Thu, 18 Jul 2019 21:34:07 +0200
Subject: [PATCH 2/2] [fix] fix soundcloud engine, speed up searx start time

---
 searx/engines/soundcloud.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/searx/engines/soundcloud.py b/searx/engines/soundcloud.py
index d59755e04..3ba9a7f39 100644
--- a/searx/engines/soundcloud.py
+++ b/searx/engines/soundcloud.py
@@ -28,8 +28,10 @@ categories = ['music']
 paging = True
 
 # search-url
-url = 'https://api.soundcloud.com/'
+# missing attribute: user_id, app_version, app_locale
+url = 'https://api-v2.soundcloud.com/'
 search_url = url + 'search?{query}'\
+                         '&variant_ids='\
                          '&facet=model'\
                          '&limit=20'\
                          '&offset={offset}'\
@@ -57,7 +59,7 @@ def get_client_id():
             # gets app_js and searches for the clientid
             response = http_get(app_js_url)
             if response.ok:
-                cids = cid_re.search(response.text)
+                cids = cid_re.search(response.content.decode("utf-8"))
                 if cids is not None and len(cids.groups()):
                     return cids.groups()[0]
     logger.warning("Unable to fetch guest client_id from SoundCloud, check parser!")