[enh] group engines in preference tabs

searx/templates/oscar/preferences.html

@@ -348,7 +348,11 @@
                                     <th scope="col" class="text-right">{{ _("Allow") }}</th>
                                     {% endif %}
                                 </tr>
-                        {% for search_engine in engines_by_category[categ] %}
+                        {% for group, engines in engines_by_category[categ] | group_engines_in_tab %}
+                        {% if loop.length > 1 %}
+                        <tr><th colspan="9">{{_(group)}}</th></tr>
+                        {% endif %}
+                        {% for search_engine in engines %}
                             {% if not search_engine.private %}
                                 <tr>
                                     {% if not rtl %}
@@ -382,6 +386,7 @@
                                     {% endif %}
                                 </tr>
                             {% endif %}
+                        {% endfor %}
                         {% endfor %}
                           </table>
                           </div>

searx/templates/simple/preferences.html

@@ -289,7 +289,11 @@
         <th>{{ _("Max time") }}</th>
         <th>{{ _("Reliability") }}</th>
       </tr>
-      {% for search_engine in engines_by_category[categ] %}
+      {% for group, engines in engines_by_category[categ] | group_engines_in_tab %}
+      {% if loop.length > 1 %}
+      <tr><th colspan="9">{{_(group)}}</th></tr>
+      {% endif %}
+      {% for search_engine in engines %}
       {% if not search_engine.private %}
       {% set engine_id = 'engine_' + search_engine.name|replace(' ', '_') + '__' + categ|replace(' ', '_') %}
       <tr>
@@ -305,6 +309,7 @@
       </tr>
       {% endif %}
       {% endfor %}
+      {% endfor %}
     </table>
     </div>
     {{ tab_footer() }}

searx/webapp.py

@@ -59,9 +59,11 @@ from searx.settings_defaults import OUTPUT_FORMATS
 from searx.settings_loader import get_default_settings_path
 from searx.exceptions import SearxParameterException
 from searx.engines import (
+    DEFAULT_GROUP_NAME,
     categories,
     engines,
     engine_shortcuts,
+    group_engines_in_tab,
 )
 from searx.webutils import (
     UnicodeWriter,
@@ -152,6 +154,7 @@ app = Flask(__name__, static_folder=settings['ui']['static_path'], template_fold
 app.jinja_env.trim_blocks = True
 app.jinja_env.lstrip_blocks = True
 app.jinja_env.add_extension('jinja2.ext.loopcontrols')  # pylint: disable=no-member
+app.jinja_env.filters['group_engines_in_tab'] = group_engines_in_tab  # pylint: disable=no-member
 app.secret_key = settings['server']['secret_key']
 
 babel = Babel(app)
@@ -169,6 +172,16 @@ _category_names = (
     gettext('map'),
     gettext('onions'),
     gettext('science'),
+    # non-tab categories
+    gettext('apps'),
+    gettext('dictionaries'),
+    gettext('lyrics'),
+    gettext('packages'),
+    gettext('q&a'),
+    gettext('repos'),
+    gettext('software wikis'),
+    gettext('web'),
+    gettext(DEFAULT_GROUP_NAME),
 )
 
 _simple_style = (gettext('auto'), gettext('light'), gettext('dark'))