[mod] searx.search.SearchQuery: remove categories parameter

The categories parameter is useless in the constructor:
it is always the categories from the EngineRef.

The categories becomes a property.

2 files changed, 18 insertions, 23 deletions

diff --git a/searx/search/__init__.py b/searx/search/__init__.py
index 99459c7a3..e9e4f5640 100644
--- a/searx/search/__init__.py
+++ b/searx/search/__init__.py
@@ -69,22 +69,20 @@ class EngineRef:
 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 +90,18 @@ 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\
diff --git a/searx/webadapter.py b/searx/webadapter.py
index 7c71b7262..7bec42651 100644
--- a/searx/webadapter.py
+++ b/searx/webadapter.py
@@ -117,8 +117,7 @@ def parse_specific(raw_text_query: RawTextQuery) -> Tuple[List[EngineRef], List[
             additional_categories.add('none')
         else:
             additional_categories.add(engineref.category)
-    query_categories = list(additional_categories)
-    return query_engineref_list, query_categories
+    return query_engineref_list
 
 
 def parse_category_form(query_categories: List[str], name: str, value: str) -> None:
@@ -171,8 +170,7 @@ def get_engineref_from_category_list(category_list: List[str], disabled_engines:
     return result
 
 
-def parse_generic(preferences: Preferences, form: Dict[str, str], disabled_engines: List[str])\
-        -> Tuple[List[EngineRef], List[str]]:
+def parse_generic(preferences: Preferences, form: Dict[str, str], disabled_engines: List[str]) -> List[EngineRef]:
     query_engineref_list = []
     query_categories = []
 
@@ -195,8 +193,6 @@ def parse_generic(preferences: Preferences, form: Dict[str, str], disabled_engin
         if query_categories:
             # add engines from referenced by the "categories" parameter and the "category_*"" parameters
             query_engineref_list.extend(get_engineref_from_category_list(query_categories, disabled_engines))
-        # get categories from the query_engineref_list
-        query_categories = list(set(engine.category for engine in query_engineref_list))
     else:
         # no "engines" parameters in the form
         if not query_categories:
@@ -208,7 +204,7 @@ def parse_generic(preferences: Preferences, form: Dict[str, str], disabled_engin
         # declared under the specific categories
         query_engineref_list.extend(get_engineref_from_category_list(query_categories, disabled_engines))
 
-    return query_engineref_list, query_categories
+    return query_engineref_list
 
 
 def get_search_query_from_webapp(preferences: Preferences, form: Dict[str, str])\
@@ -236,20 +232,18 @@ def get_search_query_from_webapp(preferences: Preferences, form: Dict[str, str])
     if not is_locked('categories') and raw_text_query.enginerefs and raw_text_query.specific:
         # if engines are calculated from query,
         # set categories by using that informations
-        query_engineref_list, query_categories = parse_specific(raw_text_query)
+        query_engineref_list = parse_specific(raw_text_query)
     else:
         # otherwise, using defined categories to
         # calculate which engines should be used
-        query_engineref_list, query_categories = parse_generic(preferences, form, disabled_engines)
+        query_engineref_list = parse_generic(preferences, form, disabled_engines)
 
     query_engineref_list = deduplicate_engineref_list(query_engineref_list)
     query_engineref_list, query_engineref_list_unknown, query_engineref_list_notoken =\
         validate_engineref_list(query_engineref_list, preferences)
 
-    return (SearchQuery(query, query_engineref_list, query_categories,
-                        query_lang, query_safesearch, query_pageno,
-                        query_time_range, query_timeout,
-                        external_bang=external_bang),
+    return (SearchQuery(query, query_engineref_list, query_lang, query_safesearch, query_pageno,
+                        query_time_range, query_timeout, external_bang=external_bang),
             raw_text_query,
             query_engineref_list_unknown,
             query_engineref_list_notoken)