BF(BK): cleanup tempdir in EmbeddedSphinxShell atexit

IPython/sphinxext/ipython_directive.py

@@ -126,12 +126,14 b' from __future__ import print_function'
 #-----------------------------------------------------------------------------
 
 # Stdlib
+import atexit
 import os
 import re
 import sys
 import tempfile
 import ast
 import warnings
+import shutil
 
 # To keep compatibility with various python versions
 try:
@@ -295,6 +297,7 b' class EmbeddedSphinxShell(object):'
         # Create and initialize global ipython, but don't start its mainloop.
         # This will persist across different EmbededSphinxShell instances.
         IP = InteractiveShell.instance(config=config, profile_dir=profile)
+        atexit.register(self.cleanup)
 
         # io.stdout redirect must be done after instantiating InteractiveShell
         io.stdout = self.cout
@@ -312,6 +315,7 b' class EmbeddedSphinxShell(object):'
 
         self.input = ''
         self.output = ''
+        self.tmp_profile_dir = tmp_profile_dir
 
         self.is_verbatim = False
         self.is_doctest = False
@@ -332,6 +336,9 b' class EmbeddedSphinxShell(object):'
         for line in exec_lines:
             self.process_input_line(line, store_history=False)
 
+    def cleanup(self):
+        shutil.rmtree(self.tmp_profile_dir, ignore_errors=True)
+
     def clear_cout(self):
         self.cout.seek(0)
         self.cout.truncate(0)