[pypy-svn] pypy default: fix for pypy, look at the comment for the details; this makes syntax highlighting working inside IDLE

[antocuni]

Author: Antonio Cuni <anto.cuni at gmail.com>
Branch: 
Changeset: r43478:f8c673fee06d
Date: 2011-04-19 13:19 +0200
http://bitbucket.org/pypy/pypy/changeset/f8c673fee06d/

Log:	fix for pypy, look at the comment for the details; this makes syntax
	highlighting working inside IDLE

diff --git a/lib-python/modified-2.7.0/idlelib/Delegator.py b/lib-python/modified-2.7.0/idlelib/Delegator.py
--- a/lib-python/modified-2.7.0/idlelib/Delegator.py
+++ b/lib-python/modified-2.7.0/idlelib/Delegator.py
@@ -12,6 +12,14 @@
         self.__cache[name] = attr
         return attr
 
+    def __nonzero__(self):
+        # this is needed for PyPy: else, if self.delegate is None, the
+        # __getattr__ above picks NoneType.__nonzero__, which returns
+        # False. Thus, bool(Delegator()) is False as well, but it's not what
+        # we want.  On CPython, bool(Delegator()) is True because NoneType
+        # does not have __nonzero__
+        return True
+
     def resetcache(self):
         for key in self.__cache.keys():
             try: