From 59c4f31f66cccd9c94045f39f6260b7fd0fe53c3 2011-11-23 03:49:27
From: Fernando Perez <Fernando.Perez@berkeley.edu>
Date: 2011-11-23 03:49:27
Subject: [PATCH] Work around issue in py2.6 where trailing whitespace confuses compile().

Closes #1027.

---

diff --git a/IPython/utils/py3compat.py b/IPython/utils/py3compat.py
index 68a8681..57eca72 100644
--- a/IPython/utils/py3compat.py
+++ b/IPython/utils/py3compat.py
@@ -155,7 +155,10 @@ else:
     if sys.platform == 'win32':
         def execfile(fname, glob=None, loc=None):
             loc = loc if (loc is not None) else glob
-            scripttext = __builtin__.open(fname).read()
+            # The rstrip() is necessary b/c trailing whitespace in files will
+            # cause an IndentationError in Python 2.6 (this was fixed in 2.7,
+            # but we still support 2.6).  See issue 1027.
+            scripttext = __builtin__.open(fname).read().rstrip()
             # compile converts unicode filename to str assuming
             # ascii. Let's do the conversion before calling compile
             if isinstance(fname, unicode):