Reset kernel

examples/test_skipci.ipynb

@@ -0,0 +1,26 @@
+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"failing test unless we are on travis SKIPCI\"\"\"\n",
+      "1/0\n",
+      "a = 3"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}

pytest_ipynb/plugin.py

@@ -97,8 +97,8 @@ def __init__(self, name, parent, cell_num, cell):
         self.cell_description = get_cell_description(self.cell.input)
 
     def runtest(self):
-        self.parent.runner.km.restart_kernel()
-
+        # Instead of a full kernel restart, doing a reset below
+        #self.parent.runner.km.restart_kernel()
         if self.parent.notebook_folder:
             self.parent.runner.kc.execute(
 """import os
@@ -107,6 +107,11 @@ def runtest(self):
         if ("SKIPCI" in self.cell_description) and ("CI" in os.environ):
             pass
         else:
+            # Using the %reset IPython magic, -f doesn't ask for confirmation
+            self.parent.runner.kc.execute("""
+from IPython import get_ipython
+get_ipython().magic("reset -f")
+""")
             if self.parent.fixture_cell:
                 self.parent.runner.kc.execute(self.parent.fixture_cell.input, allow_stdin=False)
             msg_id = self.parent.runner.kc.execute(self.cell.input, allow_stdin=False)