1 files changed, 15 insertions, 15 deletions
diff --git a/searx/search/__init__.py b/searx/search/__init__.py
index 99459c7a3..0d45f0b7c 100644
--- a/searx/search/__init__.py
+++ b/searx/search/__init__.py
@@ -52,39 +52,36 @@ def initialize(settings_engines=None):
 
 class EngineRef:
 
-    __slots__ = 'name', 'category', 'from_bang'
+    __slots__ = 'name', 'category'
 
-    def __init__(self, name: str, category: str, from_bang: bool=False):
+    def __init__(self, name: str, category: str):
         self.name = name
         self.category = category
-        self.from_bang = from_bang
 
     def __repr__(self):
-        return "EngineRef({!r}, {!r}, {!r})".format(self.name, self.category, self.from_bang)
+        return "EngineRef({!r}, {!r})".format(self.name, self.category)
 
     def __eq__(self, other):
-        return self.name == other.name and self.category == other.category and self.from_bang == other.from_bang
+        return self.name == other.name and self.category == other.category
 
 
 class SearchQuery:
     """container for all the search parameters (query, language, etc...)"""
 
-    __slots__ = 'query', 'engineref_list', 'categories', 'lang', 'safesearch', 'pageno', 'time_range',\
+    __slots__ = 'query', 'engineref_list', 'lang', 'safesearch', 'pageno', 'time_range',\
                 'timeout_limit', 'external_bang'
 
     def __init__(self,
                  query: str,
                  engineref_list: typing.List[EngineRef],
-                 categories: typing.List[str],
-                 lang: str,
-                 safesearch: int,
-                 pageno: int,
-                 time_range: typing.Optional[str],
+                 lang: str='all',
+                 safesearch: int=0,
+                 pageno: int=1,
+                 time_range: typing.Optional[str]=None,
                  timeout_limit: typing.Optional[float]=None,
                  external_bang: typing.Optional[str]=None):
         self.query = query
         self.engineref_list = engineref_list
-        self.categories = categories
         self.lang = lang
         self.safesearch = safesearch
         self.pageno = pageno
@@ -92,15 +89,18 @@ class SearchQuery:
         self.timeout_limit = timeout_limit
         self.external_bang = external_bang
 
+    @property
+    def categories(self):
+        return list(set(map(lambda engineref: engineref.category, self.engineref_list)))
+
     def __repr__(self):
-        return "SearchQuery({!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r})".\
-               format(self.query, self.engineref_list, self.categories, self.lang, self.safesearch,
+        return "SearchQuery({!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r}, {!r})".\
+               format(self.query, self.engineref_list, self.lang, self.safesearch,
                       self.pageno, self.time_range, self.timeout_limit, self.external_bang)
 
     def __eq__(self, other):
         return self.query == other.query\
             and self.engineref_list == other.engineref_list\
-            and self.categories == self.categories\
             and self.lang == other.lang\
             and self.safesearch == other.safesearch\
             and self.pageno == other.pageno\