Adding options to Kernel.execute with a default of silent=true.

IPython/frontend/html/notebook/static/js/codecell.js

@@ -156,7 +156,7 b' var IPython = (function (IPython) {'
             'clear_output': $.proxy(this._handle_clear_output, this),
             'cell': this
         };
-        var msg_id = this.kernel.execute(this.get_text(), callbacks);
+        var msg_id = this.kernel.execute(this.get_text(), callbacks, {silent: false});
     };
 
 
@@ -302,7 +302,7 b' var IPython = (function (IPython) {'
         if (data['application/javascript'] !== undefined) {
             json.javascript = data['application/javascript'];
         }
-        return json;    
+        return json;
     };
 
 

IPython/frontend/html/notebook/static/js/kernel.js

@@ -199,7 +199,17 b' var IPython = (function (IPython) {'
         return;
     }
 
-    Kernel.prototype.execute = function (code, callbacks) {
+    Kernel.prototype.execute = function (code, callbacks, options) {
+        // The options object should contain the options for the execute call. Its default
+        // values are:
+        //
+        // options = {
+        //   silent : true,
+        //   user_variables : [],
+        //   user_expressions : {},
+        //   allow_stdin : false
+        // }
+        //
         // When calling this method pass a callbacks structure of the form:
         //
         // callbacks = {
@@ -225,13 +235,15 b' var IPython = (function (IPython) {'
         //
         // The cell value will contain the a cell object that the notebook can use for the
         // set_next_input payload.
+
         var content = {
             code : code,
-            silent : false,
+            silent : true,
             user_variables : [],
             user_expressions : {},
             allow_stdin : false
         };
+		$.extend(true, content, options)
         var msg = this._get_msg("execute_request", content);
         this.shell_channel.send(JSON.stringify(msg));
         this.set_callbacks_for_msg(msg.header.msg_id, callbacks);