fix some minor 2to3 issues on windows

1 files changed, 13 insertions, 9 deletions

diff --git a/src/engine/SCons/Platform/win32.py b/src/engine/SCons/Platform/win32.py
index 879817d..1e4fb2a 100644
--- a/src/engine/SCons/Platform/win32.py
+++ b/src/engine/SCons/Platform/win32.py
@@ -61,16 +61,21 @@ else:
     parallel_msg = None
 
     import builtins
-
-    _builtin_file = builtins.file
+    builtin_file = getattr(builtins, 'file', None) is not None
+    
+    if builtin_file:
+        _builtin_file = builtins.file
+
+        class _scons_file(_builtin_file):
+            def __init__(self, *args, **kw):
+                _builtin_file.__init__(self, *args, **kw)
+                win32api.SetHandleInformation(msvcrt.get_osfhandle(self.fileno()),
+                    win32con.HANDLE_FLAG_INHERIT, 0)
+                    
+        builtins.file = _scons_file
+        
     _builtin_open = builtins.open
 
-    class _scons_file(_builtin_file):
-        def __init__(self, *args, **kw):
-            _builtin_file.__init__(self, *args, **kw)
-            win32api.SetHandleInformation(msvcrt.get_osfhandle(self.fileno()),
-                win32con.HANDLE_FLAG_INHERIT, 0)
-
     def _scons_open(*args, **kw):
         fp = _builtin_open(*args, **kw)
         win32api.SetHandleInformation(msvcrt.get_osfhandle(fp.fileno()),
@@ -78,7 +83,6 @@ else:
                                       0)
         return fp
 
-    builtins.file = _scons_file
     builtins.open = _scons_open
 
 try: