[enh] api_key usage, disable the engine by default

searx/engines/translated.py

 
 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):
     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

searx/settings.yml

     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/"
     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 : ''