--- a/src/cagou/core/cagou_main.py	Sun Aug 28 15:37:22 2016 +0200
+++ b/src/cagou/core/cagou_main.py	Sun Aug 28 16:11:07 2016 +0200
@@ -306,13 +306,29 @@
 
         @param except_cls(None, class): if not None,
             widgets from this class will be excluded
-        @return (list[dict]): available widgets plugin infos
+        @return (iter[dict]): available widgets plugin infos
         """
         for plugin_data in self._plg_wids:
             if plugin_data['main'] == except_cls:
                 continue
             yield plugin_data
 
+    def getPluginInfo(self, **kwargs):
+        """get first plugin info corresponding to filters
+
+        @param **kwargs: filter(s) to use, each key present here must also
+            exist and be of the same value in requested plugin info
+        @return (dict, None): found plugin info or None
+        """
+        for plugin_info in self._plg_wids:
+            for k, w in kwargs.iteritems():
+                try:
+                    if plugin_info[k] != w:
+                        continue
+                except KeyError:
+                    continue
+                return plugin_info
+
     ## widgets handling
 
     def getParentHandler(self, widget):