From f4525880ed5f965ac4c241638933842a27a2acf7 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 11:47:27 +0200
Subject: [PATCH 01/14] [enh] dictionary engine added

---
 searx/engines/dictionary.py | 70 +++++++++++++++++++++++++++++++++++++
 searx/settings.yml          |  4 +++
 2 files changed, 74 insertions(+)
 create mode 100644 searx/engines/dictionary.py

diff --git a/searx/engines/dictionary.py b/searx/engines/dictionary.py
new file mode 100644
index 00000000..1849322f
--- /dev/null
+++ b/searx/engines/dictionary.py
@@ -0,0 +1,70 @@
+import re
+from lxml import html
+from searx.engines.xpath import extract_text
+from searx.languages import language_codes
+
+categories = []
+url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
+weight = 100
+
+parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.+)', re.I)
+results_xpath = './/table[@id="r"]/tr'
+
+
+def request(query, params):
+    m = parser_re.match(unicode(query, 'utf8'))
+    if not m:
+        return params
+
+    from_lang, to_lang, query = m.groups()
+
+    if len(from_lang) == 2:
+        lan = filter(lambda x: x[0][:2] == from_lang, language_codes)
+        if lan:
+            from_lang = lan[0][1].lower()
+        else:
+            return params
+
+    if len(to_lang) == 2:
+        lan = filter(lambda x: x[0][:2] == to_lang, language_codes)
+        if lan:
+            to_lang = lan[0][1].lower()
+        else:
+            return params
+
+    params['url'] = url.format(from_lang=from_lang, to_lang=to_lang,query=query)
+    params['from_lang'] = from_lang
+    params['to_lang'] = to_lang
+    params['query'] = query
+
+    return params
+
+def response(resp):
+    results = []
+    answers = []
+
+    dom = html.fromstring(resp.text)
+
+    for result in dom.xpath(results_xpath)[1:]:
+        try:
+            from_result, to_results_raw = result.xpath('./td')
+        except:
+            continue
+
+        to_results = []
+        for to_result in to_results_raw.xpath('./p/a'):
+            t = to_result.text_content()
+            if t.strip():
+                to_results.append(to_result.text_content())
+
+        results.append({
+            'answer': u'{0} - {1}'.format(
+                from_result.text_content(),
+                '; '.join(to_results)
+            ),
+            'url': url
+        })
+
+    return results
+
+
diff --git a/searx/settings.yml b/searx/settings.yml
index 2c034a86..b998e0c0 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -495,6 +495,10 @@ engines:
     timeout: 6.0
     categories : science
 
+  - name : dictionary
+    engine : dictionary
+    shortcut : dc
+
 #The blekko technology and team have joined IBM Watson! -> https://blekko.com/
 #  - name : blekko images
 #    engine : blekko_images

From 3f4cc2146c81e12a890b8ea4c4ac5ad600f34618 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 12:34:20 +0200
Subject: [PATCH 02/14] [enh] return results instead of answers

---
 searx/engines/dictionary.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/searx/engines/dictionary.py b/searx/engines/dictionary.py
index 1849322f..e3abaa1a 100644
--- a/searx/engines/dictionary.py
+++ b/searx/engines/dictionary.py
@@ -3,7 +3,7 @@ from lxml import html
 from searx.engines.xpath import extract_text
 from searx.languages import language_codes
 
-categories = []
+categories = ['general']
 url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
 weight = 100
 
@@ -41,7 +41,6 @@ def request(query, params):
 
 def response(resp):
     results = []
-    answers = []
 
     dom = html.fromstring(resp.text)
 
@@ -58,11 +57,9 @@ def response(resp):
                 to_results.append(to_result.text_content())
 
         results.append({
-            'answer': u'{0} - {1}'.format(
-                from_result.text_content(),
-                '; '.join(to_results)
-            ),
-            'url': url
+            'url': resp.url,
+            'title': from_result.text_content(),
+            'content': '; '.join(to_results)
         })
 
     return results

From b808a2e26670e06d6f912f7d169a9c59ee7ac8ee Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 12:37:26 +0200
Subject: [PATCH 03/14] [fix] don't merge with suggestions

---
 searx/engines/dictionary.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/searx/engines/dictionary.py b/searx/engines/dictionary.py
index e3abaa1a..080f7b4a 100644
--- a/searx/engines/dictionary.py
+++ b/searx/engines/dictionary.py
@@ -1,4 +1,5 @@
 import re
+from urlparse import urljoin
 from lxml import html
 from searx.engines.xpath import extract_text
 from searx.languages import language_codes
@@ -44,7 +45,7 @@ def response(resp):
 
     dom = html.fromstring(resp.text)
 
-    for result in dom.xpath(results_xpath)[1:]:
+    for k, result in enumerate(dom.xpath(results_xpath)[1:]):
         try:
             from_result, to_results_raw = result.xpath('./td')
         except:
@@ -57,7 +58,7 @@ def response(resp):
                 to_results.append(to_result.text_content())
 
         results.append({
-            'url': resp.url,
+            'url': urljoin(resp.url, '?%d' % k),
             'title': from_result.text_content(),
             'content': '; '.join(to_results)
         })

From 84ff6e289ea608207755b01bc648575a87ea55ba Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 12:46:18 +0200
Subject: [PATCH 04/14] [enh] filter non-existing language code/name containing
 requests

---
 searx/engines/dictionary.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/searx/engines/dictionary.py b/searx/engines/dictionary.py
index 080f7b4a..b255463a 100644
--- a/searx/engines/dictionary.py
+++ b/searx/engines/dictionary.py
@@ -25,6 +25,9 @@ def request(query, params):
             from_lang = lan[0][1].lower()
         else:
             return params
+    elif from_lang.lower() not in [x[1].lower() for x in language_codes]:
+        return params
+
 
     if len(to_lang) == 2:
         lan = filter(lambda x: x[0][:2] == to_lang, language_codes)
@@ -32,6 +35,8 @@ def request(query, params):
             to_lang = lan[0][1].lower()
         else:
             return params
+    elif to_lang.lower() not in [x[1].lower() for x in language_codes]:
+        return params
 
     params['url'] = url.format(from_lang=from_lang, to_lang=to_lang,query=query)
     params['from_lang'] = from_lang

From 5416f0f248e1c8072c69b4a272af07bd4c0d8e5e Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 12:50:56 +0200
Subject: [PATCH 05/14] [enh] dictionary engine renamed to dictzone

---
 searx/engines/{dictionary.py => dictzone.py} | 0
 searx/settings.yml                           | 4 ++--
 2 files changed, 2 insertions(+), 2 deletions(-)
 rename searx/engines/{dictionary.py => dictzone.py} (100%)

diff --git a/searx/engines/dictionary.py b/searx/engines/dictzone.py
similarity index 100%
rename from searx/engines/dictionary.py
rename to searx/engines/dictzone.py
diff --git a/searx/settings.yml b/searx/settings.yml
index 8c552eb0..ce768ce8 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -495,8 +495,8 @@ engines:
     timeout: 6.0
     categories : science
 
-  - name : dictionary
-    engine : dictionary
+  - name : dictzone
+    engine : dictzone
     shortcut : dc
 
 #The blekko technology and team have joined IBM Watson! -> https://blekko.com/

From bc806bfab1cc75279dc912bf443dc39178a872dd Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 14:12:46 +0200
Subject: [PATCH 06/14] [fix] no lambda anymore, cgi.escape

---
 searx/engines/dictzone.py | 45 ++++++++++++++++++++-------------------
 1 file changed, 23 insertions(+), 22 deletions(-)

diff --git a/searx/engines/dictzone.py b/searx/engines/dictzone.py
index b255463a..f68f4488 100644
--- a/searx/engines/dictzone.py
+++ b/searx/engines/dictzone.py
@@ -1,6 +1,7 @@
 import re
 from urlparse import urljoin
 from lxml import html
+from cgi import escape
 from searx.engines.xpath import extract_text
 from searx.languages import language_codes
 
@@ -12,6 +13,19 @@ parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.+)', re.I)
 results_xpath = './/table[@id="r"]/tr'
 
 
+def is_valid_lang(lang):
+    is_abbr = (len(lang) == 2)
+    if is_abbr:
+        for l in language_codes:
+            if l[0][:2] == lang.lower():
+                return (True, l[1].lower())
+        return False
+    else:
+        for l in language_codes:
+            if l[1].lower() == lang.lower():
+                return (True, l[1].lower())
+        return False
+
 def request(query, params):
     m = parser_re.match(unicode(query, 'utf8'))
     if not m:
@@ -19,28 +33,15 @@ def request(query, params):
 
     from_lang, to_lang, query = m.groups()
 
-    if len(from_lang) == 2:
-        lan = filter(lambda x: x[0][:2] == from_lang, language_codes)
-        if lan:
-            from_lang = lan[0][1].lower()
-        else:
-            return params
-    elif from_lang.lower() not in [x[1].lower() for x in language_codes]:
+    from_lang = is_valid_lang(from_lang)
+    to_lang = is_valid_lang(to_lang)
+
+    if not from_lang or not to_lang:
         return params
 
-
-    if len(to_lang) == 2:
-        lan = filter(lambda x: x[0][:2] == to_lang, language_codes)
-        if lan:
-            to_lang = lan[0][1].lower()
-        else:
-            return params
-    elif to_lang.lower() not in [x[1].lower() for x in language_codes]:
-        return params
-
-    params['url'] = url.format(from_lang=from_lang, to_lang=to_lang,query=query)
-    params['from_lang'] = from_lang
-    params['to_lang'] = to_lang
+    params['url'] = url.format(from_lang=from_lang[1], to_lang=to_lang[1],query=query)
+    params['from_lang'] = from_lang[1]
+    params['to_lang'] = to_lang[1]
     params['query'] = query
 
     return params
@@ -64,8 +65,8 @@ def response(resp):
 
         results.append({
             'url': urljoin(resp.url, '?%d' % k),
-            'title': from_result.text_content(),
-            'content': '; '.join(to_results)
+            'title': escape(from_result.text_content()),
+            'content': escape('; '.join(to_results))
         })
 
     return results

From 7bf1013c1591c1af177063477fb4ac9ed178ff2a Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 14:24:08 +0200
Subject: [PATCH 07/14] [enh] removed missing params; [fix] pep8

---
 searx/engines/dictzone.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/searx/engines/dictzone.py b/searx/engines/dictzone.py
index f68f4488..21221834 100644
--- a/searx/engines/dictzone.py
+++ b/searx/engines/dictzone.py
@@ -26,6 +26,7 @@ def is_valid_lang(lang):
                 return (True, l[1].lower())
         return False
 
+
 def request(query, params):
     m = parser_re.match(unicode(query, 'utf8'))
     if not m:
@@ -39,13 +40,13 @@ def request(query, params):
     if not from_lang or not to_lang:
         return params
 
-    params['url'] = url.format(from_lang=from_lang[1], to_lang=to_lang[1],query=query)
-    params['from_lang'] = from_lang[1]
-    params['to_lang'] = to_lang[1]
-    params['query'] = query
+    params['url'] = url.format(from_lang=from_lang[1],
+                               to_lang=to_lang[1],
+                               query=query)
 
     return params
 
+
 def response(resp):
     results = []
 
@@ -70,5 +71,3 @@ def response(resp):
         })
 
     return results
-
-

From 22bd39fd42e469339ff1ccac9f8c16cc00f52211 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 15:07:47 +0200
Subject: [PATCH 08/14] [fix] only 1-word search triggers the engine

---
 searx/engines/dictzone.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/searx/engines/dictzone.py b/searx/engines/dictzone.py
index 21221834..b58d7ec6 100644
--- a/searx/engines/dictzone.py
+++ b/searx/engines/dictzone.py
@@ -9,7 +9,7 @@ categories = ['general']
 url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
 weight = 100
 
-parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.+)', re.I)
+parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) ([^ ]+)$', re.I)
 results_xpath = './/table[@id="r"]/tr'
 
 

From ab471fd13b3891a5a924e8c2cd18a1079e7ac8e0 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 15:40:07 +0200
Subject: [PATCH 09/14] [enh] mymemory translated engine added for multi-word
 translations

---
 searx/engines/translated.py | 63 +++++++++++++++++++++++++++++++++++++
 searx/settings.yml          |  8 +++++
 2 files changed, 71 insertions(+)
 create mode 100644 searx/engines/translated.py

diff --git a/searx/engines/translated.py b/searx/engines/translated.py
new file mode 100644
index 00000000..9f194b76
--- /dev/null
+++ b/searx/engines/translated.py
@@ -0,0 +1,63 @@
+import re
+from urlparse import urljoin
+from lxml import html
+from cgi import escape
+from searx.engines.xpath import extract_text
+from searx.languages import language_codes
+
+categories = ['general']
+url = 'http://api.mymemory.translated.net/get?q={query}&langpair={from_lang}|{to_lang}'
+web_url = 'http://mymemory.translated.net/en/{from_lang}/{to_lang}/{query}'
+weight = 100
+
+parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
+
+def is_valid_lang(lang):
+    is_abbr = (len(lang) == 2)
+    if is_abbr:
+        for l in language_codes:
+            if l[0][:2] == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False
+    else:
+        for l in language_codes:
+            if l[1].lower() == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False
+
+
+def request(query, params):
+    m = parser_re.match(unicode(query, 'utf8'))
+    if not m:
+        return params
+
+    from_lang, to_lang, query = m.groups()
+
+    from_lang = is_valid_lang(from_lang)
+    to_lang = is_valid_lang(to_lang)
+
+    if not from_lang or not to_lang:
+        return params
+
+    params['url'] = url.format(from_lang=from_lang[1],
+                               to_lang=to_lang[1],
+                               query=query)
+    params['query'] = query
+    params['from_lang'] = from_lang
+    params['to_lang'] = to_lang
+
+    return params
+
+
+def response(resp):
+    results = []
+    results.append({
+        'url': escape(web_url.format(from_lang=resp.search_params['from_lang'][2],
+                              to_lang=resp.search_params['to_lang'][2],
+                              query=resp.search_params['query'])),
+        'title': escape('[{0}-{1}] {2}'.format(resp.search_params['from_lang'][1],
+                                                          resp.search_params['to_lang'][1],
+                                                          resp.search_params['query'])),
+        'content': escape(resp.json()['responseData']['translatedText'])
+    })
+    return results
diff --git a/searx/settings.yml b/searx/settings.yml
index ce768ce8..ba5824bb 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -499,6 +499,14 @@ engines:
     engine : dictzone
     shortcut : dc
 
+  - name : mymemory translated
+    engine : translated
+    shortcut : tl
+    timeout : 5.0
+    # You can use without an API key, but you are limited to 1000 words/day
+    # See : http://mymemory.translated.net/doc/usagelimits.php
+    # api_key : ''
+
 #The blekko technology and team have joined IBM Watson! -> https://blekko.com/
 #  - name : blekko images
 #    engine : blekko_images

From c051e6a2c3e97419983d552594a6a8340339c1d5 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 15:44:05 +0200
Subject: [PATCH 10/14] [fix] pep8

---
 searx/engines/translated.py | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/searx/engines/translated.py b/searx/engines/translated.py
index 9f194b76..2f535140 100644
--- a/searx/engines/translated.py
+++ b/searx/engines/translated.py
@@ -6,12 +6,14 @@ from searx.engines.xpath import extract_text
 from searx.languages import language_codes
 
 categories = ['general']
-url = 'http://api.mymemory.translated.net/get?q={query}&langpair={from_lang}|{to_lang}'
+url = 'http://api.mymemory.translated.net/get?q={query}' \
+      '&langpair={from_lang}|{to_lang}'
 web_url = 'http://mymemory.translated.net/en/{from_lang}/{to_lang}/{query}'
 weight = 100
 
 parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
 
+
 def is_valid_lang(lang):
     is_abbr = (len(lang) == 2)
     if is_abbr:
@@ -52,12 +54,14 @@ def request(query, params):
 def response(resp):
     results = []
     results.append({
-        'url': escape(web_url.format(from_lang=resp.search_params['from_lang'][2],
-                              to_lang=resp.search_params['to_lang'][2],
-                              query=resp.search_params['query'])),
-        'title': escape('[{0}-{1}] {2}'.format(resp.search_params['from_lang'][1],
-                                                          resp.search_params['to_lang'][1],
-                                                          resp.search_params['query'])),
+        'url': escape(web_url.format(
+            from_lang=resp.search_params['from_lang'][2],
+            to_lang=resp.search_params['to_lang'][2],
+            query=resp.search_params['query'])),
+        'title': escape('[{0}-{1}] {2}'.format(
+            resp.search_params['from_lang'][1],
+            resp.search_params['to_lang'][1],
+            resp.search_params['query'])),
         'content': escape(resp.json()['responseData']['translatedText'])
     })
     return results

From 8c72a22757290754fc15fecb82dd157f6ea56a7f Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 16:12:34 +0200
Subject: [PATCH 11/14] [enh] api_key usage, disable the engine by default

---
 searx/engines/translated.py | 10 ++++++++--
 searx/settings.yml          |  3 ++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/searx/engines/translated.py b/searx/engines/translated.py
index 2f535140..3be9d4ad 100644
--- a/searx/engines/translated.py
+++ b/searx/engines/translated.py
@@ -7,11 +7,12 @@ from searx.languages import language_codes
 
 categories = ['general']
 url = 'http://api.mymemory.translated.net/get?q={query}' \
-      '&langpair={from_lang}|{to_lang}'
+      '&langpair={from_lang}|{to_lang}{key}'
 web_url = 'http://mymemory.translated.net/en/{from_lang}/{to_lang}/{query}'
 weight = 100
 
 parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
+api_key = ''
 
 
 def is_valid_lang(lang):
@@ -41,9 +42,14 @@ def request(query, params):
     if not from_lang or not to_lang:
         return params
 
+    if api_key:
+        key_form = '&key=' + api_key
+    else:
+        key_form = ''
     params['url'] = url.format(from_lang=from_lang[1],
                                to_lang=to_lang[1],
-                               query=query)
+                               query=query,
+                               key=key_form)
     params['query'] = query
     params['from_lang'] = from_lang
     params['to_lang'] = to_lang
diff --git a/searx/settings.yml b/searx/settings.yml
index ba5824bb..63a4b0ac 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -7,7 +7,7 @@ search:
     autocomplete : "" # Existing autocomplete backends: "dbpedia", "duckduckgo", "google", "startpage", "wikipedia" - leave blank to turn it off by default
 
 server:
-    port : 8888
+    port : 8889
     bind_address : "127.0.0.1" # address to listen on
     secret_key : "ultrasecretkey" # change this!
     base_url : False # Set custom base_url. Possible values: False or "https://your.custom.host/location/"
@@ -503,6 +503,7 @@ engines:
     engine : translated
     shortcut : tl
     timeout : 5.0
+    disabled : True
     # You can use without an API key, but you are limited to 1000 words/day
     # See : http://mymemory.translated.net/doc/usagelimits.php
     # api_key : ''

From 5ed9846bbf9ac990b35b4860d5e63bd689f41de1 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 16:35:12 +0200
Subject: [PATCH 12/14] [fix] revert the port change

---
 searx/settings.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/searx/settings.yml b/searx/settings.yml
index 63a4b0ac..4969c4ac 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -7,7 +7,7 @@ search:
     autocomplete : "" # Existing autocomplete backends: "dbpedia", "duckduckgo", "google", "startpage", "wikipedia" - leave blank to turn it off by default
 
 server:
-    port : 8889
+    port : 8888
     bind_address : "127.0.0.1" # address to listen on
     secret_key : "ultrasecretkey" # change this!
     base_url : False # Set custom base_url. Possible values: False or "https://your.custom.host/location/"

From b7d578ae8041658fe6f088eb337f42238c25e2f5 Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 16:36:04 +0200
Subject: [PATCH 13/14] [enh] engine header comments

---
 searx/engines/dictzone.py   | 11 +++++++++++
 searx/engines/translated.py | 10 ++++++++++
 2 files changed, 21 insertions(+)

diff --git a/searx/engines/dictzone.py b/searx/engines/dictzone.py
index b58d7ec6..2c2ec3ab 100644
--- a/searx/engines/dictzone.py
+++ b/searx/engines/dictzone.py
@@ -1,3 +1,14 @@
+"""
+ Dictzone
+
+ @website     https://dictzone.com/
+ @provide-api no
+ @using-api   no
+ @results     HTML (using search portal)
+ @stable      no (HTML can change)
+ @parse       url, title, content
+"""
+
 import re
 from urlparse import urljoin
 from lxml import html
diff --git a/searx/engines/translated.py b/searx/engines/translated.py
index 3be9d4ad..1b75e4f4 100644
--- a/searx/engines/translated.py
+++ b/searx/engines/translated.py
@@ -1,3 +1,13 @@
+"""
+ MyMemory Translated
+
+ @website     https://mymemory.translated.net/
+ @provide-api yes (https://mymemory.translated.net/doc/spec.php)
+ @using-api   yes
+ @results     JSON
+ @stable      yes
+ @parse       url, title, content
+"""
 import re
 from urlparse import urljoin
 from lxml import html

From 983415bc38937a637e9b2aae191f2e087765800b Mon Sep 17 00:00:00 2001
From: potato <mail@crazypotato.tk>
Date: Tue, 6 Sep 2016 16:43:48 +0200
Subject: [PATCH 14/14] [enh] is_valid_lang moved to utils

---
 searx/engines/dictzone.py   | 20 +++-----------------
 searx/engines/translated.py | 16 +---------------
 searx/utils.py              | 15 +++++++++++++++
 3 files changed, 19 insertions(+), 32 deletions(-)

diff --git a/searx/engines/dictzone.py b/searx/engines/dictzone.py
index 2c2ec3ab..5de6c5b9 100644
--- a/searx/engines/dictzone.py
+++ b/searx/engines/dictzone.py
@@ -14,7 +14,7 @@ from urlparse import urljoin
 from lxml import html
 from cgi import escape
 from searx.engines.xpath import extract_text
-from searx.languages import language_codes
+from searx.utils import is_valid_lang
 
 categories = ['general']
 url = 'http://dictzone.com/{from_lang}-{to_lang}-dictionary/{query}'
@@ -24,20 +24,6 @@ parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) ([^ ]+)$', re.I)
 results_xpath = './/table[@id="r"]/tr'
 
 
-def is_valid_lang(lang):
-    is_abbr = (len(lang) == 2)
-    if is_abbr:
-        for l in language_codes:
-            if l[0][:2] == lang.lower():
-                return (True, l[1].lower())
-        return False
-    else:
-        for l in language_codes:
-            if l[1].lower() == lang.lower():
-                return (True, l[1].lower())
-        return False
-
-
 def request(query, params):
     m = parser_re.match(unicode(query, 'utf8'))
     if not m:
@@ -51,8 +37,8 @@ def request(query, params):
     if not from_lang or not to_lang:
         return params
 
-    params['url'] = url.format(from_lang=from_lang[1],
-                               to_lang=to_lang[1],
+    params['url'] = url.format(from_lang=from_lang[2],
+                               to_lang=to_lang[2],
                                query=query)
 
     return params
diff --git a/searx/engines/translated.py b/searx/engines/translated.py
index 1b75e4f4..3a077ae8 100644
--- a/searx/engines/translated.py
+++ b/searx/engines/translated.py
@@ -13,7 +13,7 @@ from urlparse import urljoin
 from lxml import html
 from cgi import escape
 from searx.engines.xpath import extract_text
-from searx.languages import language_codes
+from searx.utils import is_valid_lang
 
 categories = ['general']
 url = 'http://api.mymemory.translated.net/get?q={query}' \
@@ -25,20 +25,6 @@ parser_re = re.compile(u'.*?([a-z]+)-([a-z]+) (.{2,})$', re.I)
 api_key = ''
 
 
-def is_valid_lang(lang):
-    is_abbr = (len(lang) == 2)
-    if is_abbr:
-        for l in language_codes:
-            if l[0][:2] == lang.lower():
-                return (True, l[0][:2], l[1].lower())
-        return False
-    else:
-        for l in language_codes:
-            if l[1].lower() == lang.lower():
-                return (True, l[0][:2], l[1].lower())
-        return False
-
-
 def request(query, params):
     m = parser_re.match(unicode(query, 'utf8'))
     if not m:
diff --git a/searx/utils.py b/searx/utils.py
index 744142e3..b3806d3f 100644
--- a/searx/utils.py
+++ b/searx/utils.py
@@ -9,6 +9,7 @@ from HTMLParser import HTMLParser
 from random import choice
 
 from searx.version import VERSION_STRING
+from searx.languages import language_codes
 from searx import settings
 from searx import logger
 
@@ -255,3 +256,17 @@ def get_torrent_size(filesize, filesize_multiplier):
         filesize = None
 
     return filesize
+
+
+def is_valid_lang(lang):
+    is_abbr = (len(lang) == 2)
+    if is_abbr:
+        for l in language_codes:
+            if l[0][:2] == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False
+    else:
+        for l in language_codes:
+            if l[1].lower() == lang.lower():
+                return (True, l[0][:2], l[1].lower())
+        return False