Merge pull request #6250 from y-p/PR_ipython_directive

fix ipython directive, py3 and recent ipython changes

Author: y-p

doc/source/conf.py

@@ -13,7 +13,7 @@
 import sys
 import os
 import re
-from pandas.compat import u
+from pandas.compat import u, PY3
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -78,7 +78,10 @@
 if ds:
     print("I'm about to DELETE the following:\n%s\n" % list(sorted(ds)))
     sys.stdout.write("WARNING: I'd like to delete those to speed up processing (yes/no)? ")
-    answer = raw_input()
+    if PY3:
+        answer = input()
+    else:
+        answer = raw_input()
 
     if answer.lower().strip() in ('y','yes'):
         for f in ds:

doc/sphinxext/ipython_directive.py

@@ -344,7 +344,11 @@ def process_input_line(self, line, store_history=True):
             splitter.push(line)
             more = splitter.push_accepts_more()
             if not more:
-                source_raw = splitter.source_raw_reset()[1]
+                try:
+                    source_raw = splitter.source_raw_reset()[1]
+                except:
+                    # recent ipython #4504
+                    source_raw = splitter.raw_reset()
                 self.IP.run_cell(source_raw, store_history=store_history)
         finally:
             sys.stdout = stdout