From 2f50bf99807bcac5f3b703f136b27c819d3ab47c Mon Sep 17 00:00:00 2001
From: Juergen Hasch <python@elbonia.de>
Date: Wed, 24 Dec 2014 13:15:54 +0100
Subject: [PATCH] Skip exceptions

---
 IPython/html/static/notebook/js/codecell.js | 11 +++++--
 IPython/html/tests/notebook/execute_code.js | 35 +++++++++++++++++++++
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/IPython/html/static/notebook/js/codecell.js b/IPython/html/static/notebook/js/codecell.js
index 1404956f2..527b9ca2a 100644
--- a/IPython/html/static/notebook/js/codecell.js
+++ b/IPython/html/static/notebook/js/codecell.js
@@ -403,14 +403,18 @@ define([
      * Execute current code cell to the kernel
      * @method execute
      */
-    CodeCell.prototype.execute = function () {
+    CodeCell.prototype.execute = function (skip_exceptions) {
         if (!this.kernel || !this.kernel.is_connected()) {
             console.log("Can't execute, kernel is not connected.");
             return;
         }
 
         this.active_output_area.clear_output(false, true);
-        
+
+        if (skip_exceptions === undefined) {
+            skip_exceptions = false;
+        }
+
         // Clear widget area
         for (var i = 0; i < this.widget_views.length; i++) {
             var view = this.widget_views[i];
@@ -434,7 +438,8 @@ define([
         var callbacks = this.get_callbacks();
         
         var old_msg_id = this.last_msg_id;
-        this.last_msg_id = this.kernel.execute(this.get_text(), callbacks, {silent: false, store_history: true});
+        this.last_msg_id = this.kernel.execute(this.get_text(), callbacks, {silent: false, store_history: true,
+            skip_exceptions : skip_exceptions});
         if (old_msg_id) {
             delete CodeCell.msg_cells[old_msg_id];
         }
diff --git a/IPython/html/tests/notebook/execute_code.js b/IPython/html/tests/notebook/execute_code.js
index 8374fc188..ca80b9ff5 100644
--- a/IPython/html/tests/notebook/execute_code.js
+++ b/IPython/html/tests/notebook/execute_code.js
@@ -75,4 +75,39 @@ casper.notebook_test(function () {
         var result = this.get_output_cell(0);
         this.test.assertEquals(result.text, '13\n', 'cell execute (using "play" toolbar button)')
     });
+
+    // run code with skip_exception
+    this.thenEvaluate(function () {
+        var cell0 = IPython.notebook.get_cell(0);
+        cell0.set_text('raise IOError');
+        IPython.notebook.insert_cell_below('code',0);
+        var cell1 = IPython.notebook.get_cell(1);
+        cell1.set_text('a=14; print(a)');
+        cell0.execute(skip_exception=true);
+        cell1.execute();
+    });
+
+    this.wait_for_output(1);
+
+    this.then(function () {
+        var result = this.get_output_cell(1);
+        this.test.assertEquals(result.text, '14\n', 'cell execute, skip exceptions');
+    });
+
+    this.thenEvaluate(function () {
+        var cell0 = IPython.notebook.get_cell(0);
+        cell0.set_text('raise IOError');
+        IPython.notebook.insert_cell_below('code',0);
+        var cell1 = IPython.notebook.get_cell(1);
+        cell1.set_text('a=14; print(a)');
+        cell0.execute();
+        cell1.execute();
+    });
+
+    this.wait_for_output(1);
+
+    this.then(function () {
+        var result = this.get_output_cell(1);
+        this.test.assertNotEquals(result.text, '14\n', 'cell execute, skip exceptions');
+    });
 });