[Python-3000-checkins] r66340 - in python/branches/py3k: Lib/traceback.py Misc/NEWS

[hirokazu.yamamoto]

Author: hirokazu.yamamoto
Date: Tue Sep  9 19:55:11 2008
New Revision: 66340

Log:
Issue #3812: Failed to build python if configure --without-threads.

Removed itertools usage from Lib/traceback.py, because itertools
is extension module, so maybe unavailable on build process.
(Lib/_dummy_thread.py uses Lib/traceback.py)

Reviewed by Amaury Forgeot d'Arc.

Modified:
   python/branches/py3k/Lib/traceback.py
   python/branches/py3k/Misc/NEWS

Modified: python/branches/py3k/Lib/traceback.py
==============================================================================
--- python/branches/py3k/Lib/traceback.py	(original)
+++ python/branches/py3k/Lib/traceback.py	Tue Sep  9 19:55:11 2008
@@ -3,7 +3,6 @@
 import linecache
 import sys
 import types
-import itertools
 
 __all__ = ['extract_stack', 'extract_tb', 'format_exception',
            'format_exception_only', 'format_list', 'format_stack',
@@ -130,7 +129,10 @@
         its.append(_iter_chain(context, None, seen))
         its.append([(_context_message, None)])
     its.append([(exc, custom_tb or exc.__traceback__)])
-    return itertools.chain(*its)
+    # itertools.chain is in an extension module and may be unavailable
+    for it in its:
+        for x in it:
+            yield x
 
 
 def print_exception(etype, value, tb, limit=None, file=None, chain=True):

Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS	(original)
+++ python/branches/py3k/Misc/NEWS	Tue Sep  9 19:55:11 2008
@@ -165,6 +165,8 @@
 Build
 -----
 
+- Issue #3812: Failed to build python if configure --without-threads.
+
 - Issue #3791: Remove the bsddb module from the Windows installer, and the
   core bsddb library from the Windows build files.