[Python-checkins] r68630 - in python/branches/py3k: Doc/c-api/typeobj.rst Doc/library/2to3.rst Doc/library/binascii.rst Doc/library/hashlib.rst Doc/library/io.rst Doc/library/logging.rst Doc/library/sys.rst Doc/library/turtle.rst Doc/library/zlib.rst Include/pyport.h Lib/_abcoll.py Lib/ast.py Lib/ctypes/test/__init__.py Lib/inspect.py Lib/test/test_ast.py Lib/test/test_inspect.py Modules/_ctypes/cfield.c Modules/socketmodule.c Tools/scripts/patchcheck.py

benjamin.peterson python-checkins at python.org
Fri Jan 16 04:54:08 CET 2009


Author: benjamin.peterson
Date: Fri Jan 16 04:54:08 2009
New Revision: 68630

Log:
Merged revisions 68450,68480-68481,68493,68495,68501,68512,68514-68515,68534-68536,68552,68563,68570-68572,68575,68582,68596,68623-68624,68628 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r68450 | jeffrey.yasskin | 2009-01-09 10:47:07 -0600 (Fri, 09 Jan 2009) | 3 lines
  
  Fix issue 4884, preventing a crash in the socket code when python is compiled
  with llvm-gcc and run with a glibc <2.10.
........
  r68480 | vinay.sajip | 2009-01-10 07:38:04 -0600 (Sat, 10 Jan 2009) | 1 line
  
  Minor documentation changes cross-referencing NullHandler to the documentation on configuring logging in a library.
........
  r68481 | vinay.sajip | 2009-01-10 07:42:04 -0600 (Sat, 10 Jan 2009) | 1 line
  
  Corrected an incorrect self-reference.
........
  r68493 | benjamin.peterson | 2009-01-10 11:18:55 -0600 (Sat, 10 Jan 2009) | 1 line
  
  rewrite verbose conditionals
........
  r68495 | benjamin.peterson | 2009-01-10 11:36:44 -0600 (Sat, 10 Jan 2009) | 1 line
  
  tp_iter only exists with Py_TPFLAGS_HAVE_ITER #4901
........
  r68501 | vinay.sajip | 2009-01-10 13:22:57 -0600 (Sat, 10 Jan 2009) | 1 line
  
  Corrected minor typo and added .currentmodule directives to fix missing cross-references.
........
  r68512 | benjamin.peterson | 2009-01-10 16:42:10 -0600 (Sat, 10 Jan 2009) | 1 line
  
  make tests fail if they can't be imported
........
  r68514 | benjamin.peterson | 2009-01-10 17:41:59 -0600 (Sat, 10 Jan 2009) | 1 line
  
  move seealso to a more appropiate place
........
  r68515 | benjamin.peterson | 2009-01-10 17:49:08 -0600 (Sat, 10 Jan 2009) | 1 line
  
  macos 9 isn't supported
........
  r68534 | gregory.p.smith | 2009-01-11 11:53:33 -0600 (Sun, 11 Jan 2009) | 2 lines
  
  correct email address
........
  r68535 | gregory.p.smith | 2009-01-11 11:57:54 -0600 (Sun, 11 Jan 2009) | 9 lines
  
  Update the documentation for binascii and zlib crc32/adler32 functions
  to better describe the signed vs unsigned return value behavior on
  different platforms and versions of python.  Mention the workaround to
  make them all return the same thing by using & 0xffffffff.
  
  Fixes issue4903.
  
  Also needs to be merged into release26-maint, release30-maint, & py3k.
........
  r68536 | benjamin.peterson | 2009-01-11 13:48:15 -0600 (Sun, 11 Jan 2009) | 1 line
  
  add email addresses
........
  r68552 | vinay.sajip | 2009-01-12 14:36:18 -0600 (Mon, 12 Jan 2009) | 1 line
  
  Minor changes/corrections in markup.
........
  r68563 | benjamin.peterson | 2009-01-12 19:49:10 -0600 (Mon, 12 Jan 2009) | 1 line
  
  small logic correction
........
  r68570 | raymond.hettinger | 2009-01-13 03:08:32 -0600 (Tue, 13 Jan 2009) | 5 lines
  
  Issue 4922: Incorrect comments for MutableSet.add() and MutableSet.discard().
  
  Needs to be backported to 2.6 and forward ported to 3.0 and 3.1.
........
  r68571 | armin.ronacher | 2009-01-13 05:52:23 -0600 (Tue, 13 Jan 2009) | 3 lines
  
  ast.literal_eval can properly evaluate complex numbers now.  This fixes issue4907.
........
  r68572 | andrew.kuchling | 2009-01-13 07:40:54 -0600 (Tue, 13 Jan 2009) | 1 line
  
  Note that first coord. is left alone
........
  r68575 | thomas.heller | 2009-01-13 11:32:28 -0600 (Tue, 13 Jan 2009) | 1 line
  
  Fix refcount leak in error cases.  Bug found by coverity.
........
  r68582 | georg.brandl | 2009-01-13 16:14:01 -0600 (Tue, 13 Jan 2009) | 2 lines
  
  Use assertRaises.
........
  r68596 | amaury.forgeotdarc | 2009-01-13 17:39:22 -0600 (Tue, 13 Jan 2009) | 3 lines
  
  #1162154: inspect.getmembers() now skips attributes that raise AttributeError,
  e.g. a __slots__ attribute which has not been set.
........
  r68623 | vinay.sajip | 2009-01-15 16:48:13 -0600 (Thu, 15 Jan 2009) | 1 line
  
  Made minor changes/corrections in markup. Added a couple of section headings.
........
  r68624 | vinay.sajip | 2009-01-15 17:04:47 -0600 (Thu, 15 Jan 2009) | 1 line
  
  Minor changes/corrections in markup.
........
  r68628 | benjamin.peterson | 2009-01-15 20:55:24 -0600 (Thu, 15 Jan 2009) | 1 line
  
  compare with == not is #4946
........


Modified:
   python/branches/py3k/   (props changed)
   python/branches/py3k/Doc/c-api/typeobj.rst
   python/branches/py3k/Doc/library/2to3.rst
   python/branches/py3k/Doc/library/binascii.rst
   python/branches/py3k/Doc/library/hashlib.rst
   python/branches/py3k/Doc/library/io.rst
   python/branches/py3k/Doc/library/logging.rst
   python/branches/py3k/Doc/library/sys.rst
   python/branches/py3k/Doc/library/turtle.rst
   python/branches/py3k/Doc/library/zlib.rst
   python/branches/py3k/Include/pyport.h
   python/branches/py3k/Lib/_abcoll.py
   python/branches/py3k/Lib/ast.py
   python/branches/py3k/Lib/ctypes/test/__init__.py
   python/branches/py3k/Lib/inspect.py
   python/branches/py3k/Lib/test/test_ast.py
   python/branches/py3k/Lib/test/test_inspect.py
   python/branches/py3k/Modules/_ctypes/cfield.c
   python/branches/py3k/Modules/socketmodule.c
   python/branches/py3k/Tools/scripts/patchcheck.py

Modified: python/branches/py3k/Doc/c-api/typeobj.rst
==============================================================================
--- python/branches/py3k/Doc/c-api/typeobj.rst	(original)
+++ python/branches/py3k/Doc/c-api/typeobj.rst	Fri Jan 16 04:54:08 2009
@@ -652,7 +652,6 @@
    :attr:`__weakref__`, the type inherits its :attr:`tp_weaklistoffset` from its
    base type.
 
-
 .. cmember:: getiterfunc PyTypeObject.tp_iter
 
    An optional pointer to a function that returns an iterator for the object.  Its

Modified: python/branches/py3k/Doc/library/2to3.rst
==============================================================================
--- python/branches/py3k/Doc/library/2to3.rst	(original)
+++ python/branches/py3k/Doc/library/2to3.rst	Fri Jan 16 04:54:08 2009
@@ -3,7 +3,7 @@
 2to3 - Automated Python 2 to 3 code translation
 ===============================================
 
-.. sectionauthor:: Benjamin Peterson
+.. sectionauthor:: Benjamin Peterson <benjamin at python.org>
 
 2to3 is a Python program that reads Python 2.x source code and applies a series
 of *fixers* to transform it into valid Python 3.x code.  The standard library

Modified: python/branches/py3k/Doc/library/binascii.rst
==============================================================================
--- python/branches/py3k/Doc/library/binascii.rst	(original)
+++ python/branches/py3k/Doc/library/binascii.rst	Fri Jan 16 04:54:08 2009
@@ -113,8 +113,19 @@
       print(binascii.crc32("hello world"))
       # Or, in two pieces:
       crc = binascii.crc32("hello")
-      crc = binascii.crc32(" world", crc)
-      print(crc)
+      crc = binascii.crc32(" world", crc) & 0xffffffff
+      print('crc32 = 0x%08x' % crc)
+
+.. note::
+   To generate the same numeric value across all Python versions and
+   platforms use crc32(data) & 0xffffffff.  If you are only using
+   the checksum in packed binary format this is not necessary as the
+   return value will have the correct 32bit binary representation
+   regardless of sign.
+
+.. versionchanged:: 3.0
+   The return value will always be unsigned and in the range [0, 2**32-1]
+   regardless of platform.
 
 
 .. function:: b2a_hex(data)

Modified: python/branches/py3k/Doc/library/hashlib.rst
==============================================================================
--- python/branches/py3k/Doc/library/hashlib.rst	(original)
+++ python/branches/py3k/Doc/library/hashlib.rst	Fri Jan 16 04:54:08 2009
@@ -4,8 +4,8 @@
 
 .. module:: hashlib
    :synopsis: Secure hash and message digest algorithms.
-.. moduleauthor:: Gregory P. Smith <greg at users.sourceforge.net>
-.. sectionauthor:: Gregory P. Smith <greg at users.sourceforge.net>
+.. moduleauthor:: Gregory P. Smith <greg at krypto.org>
+.. sectionauthor:: Gregory P. Smith <greg at krypto.org>
 
 
 .. index::

Modified: python/branches/py3k/Doc/library/io.rst
==============================================================================
--- python/branches/py3k/Doc/library/io.rst	(original)
+++ python/branches/py3k/Doc/library/io.rst	Fri Jan 16 04:54:08 2009
@@ -6,7 +6,7 @@
 .. moduleauthor:: Guido van Rossum <guido at python.org>
 .. moduleauthor:: Mike Verdone <mike.verdone at gmail.com>
 .. moduleauthor:: Mark Russell <mark.russell at zen.co.uk>
-.. sectionauthor:: Benjamin Peterson
+.. sectionauthor:: Benjamin Peterson <benjamin at python.org>
 
 The :mod:`io` module provides the Python interfaces to stream handling.  The
 builtin :func:`open` function is defined in this module.

Modified: python/branches/py3k/Doc/library/logging.rst
==============================================================================
--- python/branches/py3k/Doc/library/logging.rst	(original)
+++ python/branches/py3k/Doc/library/logging.rst	Fri Jan 16 04:54:08 2009
@@ -522,6 +522,9 @@
 the message to its destination. Most user-defined subclasses of :class:`Handler`
 will need to override this :meth:`emit`.
 
+Useful Handlers
+---------------
+
 In addition to the base :class:`Handler` class, many useful subclasses are
 provided:
 
@@ -530,41 +533,44 @@
 
 #. :class:`FileHandler` instances send error messages to disk files.
 
-.. currentmodule:: logging.handlers
+.. module:: logging.handlers
 
-#. :class:`BaseRotatingHandler` is the base class for handlers that rotate log
-   files at a certain point. It is not meant to be  instantiated directly. Instead,
-   use :class:`RotatingFileHandler` or :class:`TimedRotatingFileHandler`.
+#. :class:`BaseRotatingHandler` is the base class for handlers that
+   rotate log files at a certain point. It is not meant to be  instantiated
+   directly. Instead, use :class:`RotatingFileHandler` or
+   :class:`TimedRotatingFileHandler`.
 
-#. :class:`RotatingFileHandler` instances send error messages to disk files,
-   with support for maximum log file sizes and log file rotation.
+#. :class:`RotatingFileHandler` instances send error messages to disk
+   files, with support for maximum log file sizes and log file rotation.
 
-#. :class:`TimedRotatingFileHandler` instances send error messages to disk files
-   rotating the log file at certain timed intervals.
+#. :class:`TimedRotatingFileHandler` instances send error messages to
+   disk files, rotating the log file at certain timed intervals.
 
-#. :class:`SocketHandler` instances send error messages to TCP/IP sockets.
+#. :class:`SocketHandler` instances send error messages to TCP/IP
+   sockets.
 
-#. :class:`DatagramHandler` instances send error messages to UDP sockets.
+#. :class:`DatagramHandler` instances send error messages to UDP
+   sockets.
 
-#. :class:`SMTPHandler` instances send error messages to a designated email
-   address.
+#. :class:`SMTPHandler` instances send error messages to a designated
+   email address.
 
-#. :class:`SysLogHandler` instances send error messages to a Unix syslog daemon,
-   possibly on a remote machine.
+#. :class:`SysLogHandler` instances send error messages to a Unix
+   syslog daemon, possibly on a remote machine.
 
-#. :class:`NTEventLogHandler` instances send error messages to a Windows
-   NT/2000/XP event log.
+#. :class:`NTEventLogHandler` instances send error messages to a
+   Windows NT/2000/XP event log.
 
-#. :class:`MemoryHandler` instances send error messages to a buffer in memory,
-   which is flushed whenever specific criteria are met.
+#. :class:`MemoryHandler` instances send error messages to a buffer
+   in memory, which is flushed whenever specific criteria are met.
 
-#. :class:`HTTPHandler` instances send error messages to an HTTP server using
-   either ``GET`` or ``POST`` semantics.
+#. :class:`HTTPHandler` instances send error messages to an HTTP
+   server using either ``GET`` or ``POST`` semantics.
 
-#. :class:`WatchedFileHandler` instances watch the file they are logging to. If
-the file changes, it is closed and reopened using the file name. This handler
-is only useful on Unix-like systems; Windows does not support the underlying
-mechanism used.
+#. :class:`WatchedFileHandler` instances watch the file they are
+   logging to. If the file changes, it is closed and reopened using the file
+   name. This handler is only useful on Unix-like systems; Windows does not
+   support the underlying mechanism used.
 
 .. currentmodule:: logging
 
@@ -603,6 +609,9 @@
 name. If this feature is used, messages sent to the named logger and its
 children are allowed through the filter, and all others dropped.
 
+Module-Level Functions
+----------------------
+
 In addition to the classes described above, there are a number of module- level
 functions.
 
@@ -1626,7 +1635,7 @@
 WatchedFileHandler
 ^^^^^^^^^^^^^^^^^^
 
-.. module:: logging.handlers
+.. currentmodule:: logging.handlers
 
 The :class:`WatchedFileHandler` class, located in the :mod:`logging.handlers`
 module, is a :class:`FileHandler` which watches the file it is logging to. If

Modified: python/branches/py3k/Doc/library/sys.rst
==============================================================================
--- python/branches/py3k/Doc/library/sys.rst	(original)
+++ python/branches/py3k/Doc/library/sys.rst	Fri Jan 16 04:54:08 2009
@@ -484,6 +484,11 @@
    A program is free to modify this list for its own purposes.
 
 
+   .. seealso::
+      Module :mod:`site` This describes how to use .pth files to extend
+      :data:`sys.path`.
+
+
 .. data:: platform
 
    This string contains a platform identifier that can be used to append
@@ -500,7 +505,6 @@
    Windows          ``'win32'``
    Windows/Cygwin   ``'cygwin'``
    Mac OS X         ``'darwin'``
-   Mac OS 9         ``'mac'``
    OS/2             ``'os2'``
    OS/2 EMX         ``'os2emx'``
    AtheOS           ``'atheos'``
@@ -782,11 +786,3 @@
    first three characters of :const:`version`.  It is provided in the :mod:`sys`
    module for informational purposes; modifying this value has no effect on the
    registry keys used by Python. Availability: Windows.
-
-
-.. seealso::
-
-   Module :mod:`site`
-      This describes how to use .pth files to extend ``sys.path``.
-
-

Modified: python/branches/py3k/Doc/library/turtle.rst
==============================================================================
--- python/branches/py3k/Doc/library/turtle.rst	(original)
+++ python/branches/py3k/Doc/library/turtle.rst	Fri Jan 16 04:54:08 2009
@@ -322,8 +322,7 @@
 
    :param y: a number (integer or float)
 
-   Set the turtle's first coordinate to *y*, leave second coordinate
-   unchanged.
+   Set the turtle's second coordinate to *y*, leave first coordinate unchanged.
 
    >>> turtle.position()
    (0.00, 40.00)

Modified: python/branches/py3k/Doc/library/zlib.rst
==============================================================================
--- python/branches/py3k/Doc/library/zlib.rst	(original)
+++ python/branches/py3k/Doc/library/zlib.rst	Fri Jan 16 04:54:08 2009
@@ -31,19 +31,30 @@
    Exception raised on compression and decompression errors.
 
 
-.. function:: adler32(string[, value])
+.. function:: adler32(data[, value])
 
-   Computes a Adler-32 checksum of *string*.  (An Adler-32 checksum is almost as
+   Computes a Adler-32 checksum of *data*.  (An Adler-32 checksum is almost as
    reliable as a CRC32 but can be computed much more quickly.)  If *value* is
    present, it is used as the starting value of the checksum; otherwise, a fixed
    default value is used.  This allows computing a running checksum over the
-   concatenation of several input strings.  The algorithm is not cryptographically
+   concatenation of several inputs.  The algorithm is not cryptographically
    strong, and should not be used for authentication or digital signatures.  Since
    the algorithm is designed for use as a checksum algorithm, it is not suitable
    for use as a general hash algorithm.
 
    Always returns an unsigned 32-bit integer.
 
+.. note::
+   To generate the same numeric value across all Python versions and
+   platforms use adler32(data) & 0xffffffff.  If you are only using
+   the checksum in packed binary format this is not necessary as the
+   return value will have the correct 32bit binary representation
+   regardless of sign.
+
+.. versionchanged:: 3.0
+   The return value will always be unsigned and in the range [0, 2**32-1]
+   regardless of platform.
+
 
 .. function:: compress(string[, level])
 
@@ -62,22 +73,33 @@
    ``9`` is slowest and produces the most.  The default value is ``6``.
 
 
-.. function:: crc32(string[, value])
+.. function:: crc32(data[, value])
 
    .. index::
       single: Cyclic Redundancy Check
       single: checksum; Cyclic Redundancy Check
 
-   Computes a CRC (Cyclic Redundancy Check)  checksum of *string*. If *value* is
+   Computes a CRC (Cyclic Redundancy Check)  checksum of *data*. If *value* is
    present, it is used as the starting value of the checksum; otherwise, a fixed
    default value is used.  This allows computing a running checksum over the
-   concatenation of several input strings.  The algorithm is not cryptographically
+   concatenation of several inputs.  The algorithm is not cryptographically
    strong, and should not be used for authentication or digital signatures.  Since
    the algorithm is designed for use as a checksum algorithm, it is not suitable
    for use as a general hash algorithm.
 
    Always returns an unsigned 32-bit integer.
 
+.. note::
+   To generate the same numeric value across all Python versions and
+   platforms use crc32(data) & 0xffffffff.  If you are only using
+   the checksum in packed binary format this is not necessary as the
+   return value will have the correct 32bit binary representation
+   regardless of sign.
+
+.. versionchanged:: 3.0
+   The return value will always be unsigned and in the range [0, 2**32-1]
+   regardless of platform.
+
 
 .. function:: decompress(string[, wbits[, bufsize]])
 

Modified: python/branches/py3k/Include/pyport.h
==============================================================================
--- python/branches/py3k/Include/pyport.h	(original)
+++ python/branches/py3k/Include/pyport.h	Fri Jan 16 04:54:08 2009
@@ -616,6 +616,15 @@
 #define Py_FORMAT_PARSETUPLE(func,p1,p2)
 #endif
 
+/*
+ * Specify alignment on compilers that support it.
+ */
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define Py_ALIGNED(x) __attribute__((aligned(x)))
+#else
+#define Py_ALIGNED(x)
+#endif
+
 /* Eliminate end-of-loop code not reached warnings from SunPro C
  * when using do{...}while(0) macros
  */

Modified: python/branches/py3k/Lib/_abcoll.py
==============================================================================
--- python/branches/py3k/Lib/_abcoll.py	(original)
+++ python/branches/py3k/Lib/_abcoll.py	Fri Jan 16 04:54:08 2009
@@ -283,12 +283,12 @@
 
     @abstractmethod
     def add(self, value):
-        """Return True if it was added, False if already there."""
+        """Add an element."""
         raise NotImplementedError
 
     @abstractmethod
     def discard(self, value):
-        """Return True if it was deleted, False if not there."""
+        """Remove an element.  Do not raise an exception if absent."""
         raise NotImplementedError
 
     def remove(self, value):

Modified: python/branches/py3k/Lib/ast.py
==============================================================================
--- python/branches/py3k/Lib/ast.py	(original)
+++ python/branches/py3k/Lib/ast.py	Fri Jan 16 04:54:08 2009
@@ -64,6 +64,18 @@
         elif isinstance(node, Name):
             if node.id in _safe_names:
                 return _safe_names[node.id]
+        elif isinstance(node, BinOp) and \
+             isinstance(node.op, (Add, Sub)) and \
+             isinstance(node.right, Num) and \
+             isinstance(node.right.n, complex) and \
+             isinstance(node.left, Num) and \
+             isinstance(node.left.n, (int, float)):
+            left = node.left.n
+            right = node.right.n
+            if isinstance(node.op, Add):
+                return left + right
+            else:
+                return left - right
         raise ValueError('malformed string')
     return _convert(node_or_string)
 

Modified: python/branches/py3k/Lib/ctypes/test/__init__.py
==============================================================================
--- python/branches/py3k/Lib/ctypes/test/__init__.py	(original)
+++ python/branches/py3k/Lib/ctypes/test/__init__.py	Fri Jan 16 04:54:08 2009
@@ -67,9 +67,6 @@
             if verbosity > 1:
                 print("Skipped %s: %s" % (modname, detail), file=sys.stderr)
             continue
-        except Exception as detail:
-            print("Warning: could not import %s: %s" % (modname, detail), file=sys.stderr)
-            continue
         for name in dir(mod):
             if name.startswith("_"):
                 continue

Modified: python/branches/py3k/Lib/inspect.py
==============================================================================
--- python/branches/py3k/Lib/inspect.py	(original)
+++ python/branches/py3k/Lib/inspect.py	Fri Jan 16 04:54:08 2009
@@ -249,7 +249,10 @@
     Optionally, only return members that satisfy a given predicate."""
     results = []
     for key in dir(object):
-        value = getattr(object, key)
+        try:
+            value = getattr(object, key)
+        except AttributeError:
+            continue
         if not predicate or predicate(value):
             results.append((key, value))
     results.sort()

Modified: python/branches/py3k/Lib/test/test_ast.py
==============================================================================
--- python/branches/py3k/Lib/test/test_ast.py	(original)
+++ python/branches/py3k/Lib/test/test_ast.py	Fri Jan 16 04:54:08 2009
@@ -265,6 +265,12 @@
         self.assertEqual(ast.literal_eval('(True, False, None)'), (True, False, None))
         self.assertRaises(ValueError, ast.literal_eval, 'foo()')
 
+    def test_literal_eval_issue4907(self):
+        self.assertEqual(ast.literal_eval('2j'), 2j)
+        self.assertEqual(ast.literal_eval('10 + 2j'), 10 + 2j)
+        self.assertEqual(ast.literal_eval('1.5 - 2j'), 1.5 - 2j)
+        self.assertRaises(ValueError, ast.literal_eval, '2 + (3 + 4j)')
+
 
 def test_main():
     support.run_unittest(AST_Tests, ASTHelpers_Test)

Modified: python/branches/py3k/Lib/test/test_inspect.py
==============================================================================
--- python/branches/py3k/Lib/test/test_inspect.py	(original)
+++ python/branches/py3k/Lib/test/test_inspect.py	Fri Jan 16 04:54:08 2009
@@ -99,6 +99,17 @@
         self.assert_(inspect.isroutine(mod.spam))
         self.assert_(inspect.isroutine([].count))
 
+    def test_get_slot_members(self):
+        class C(object):
+            __slots__ = ("a", "b")
+
+        x = C()
+        x.a = 42
+        members = dict(inspect.getmembers(x))
+        self.assert_('a' in members)
+        self.assert_('b' not in members)
+
+
 class TestInterpreterStack(IsTestBase):
     def __init__(self, *args, **kwargs):
         unittest.TestCase.__init__(self, *args, **kwargs)

Modified: python/branches/py3k/Modules/_ctypes/cfield.c
==============================================================================
--- python/branches/py3k/Modules/_ctypes/cfield.c	(original)
+++ python/branches/py3k/Modules/_ctypes/cfield.c	Fri Jan 16 04:54:08 2009
@@ -1472,11 +1472,14 @@
 		size += 1; /* terminating NUL */
 		size *= sizeof(wchar_t);
 		buffer = (wchar_t *)PyMem_Malloc(size);
-		if (!buffer)
+		if (!buffer) {
+			Py_DECREF(value);
 			return PyErr_NoMemory();
+		}
 		memset(buffer, 0, size);
 		keep = PyCObject_FromVoidPtr(buffer, PyMem_Free);
 		if (!keep) {
+			Py_DECREF(value);
 			PyMem_Free(buffer);
 			return NULL;
 		}

Modified: python/branches/py3k/Modules/socketmodule.c
==============================================================================
--- python/branches/py3k/Modules/socketmodule.c	(original)
+++ python/branches/py3k/Modules/socketmodule.c	Fri Jan 16 04:54:08 2009
@@ -3159,7 +3159,11 @@
 #ifdef HAVE_GETHOSTBYNAME_R_3_ARG
 	struct hostent_data data;
 #else
-	char buf[16384];
+	/* glibcs up to 2.10 assume that the buf argument to
+	   gethostbyaddr_r is 8-byte aligned, which at least llvm-gcc
+	   does not ensure. The attribute below instructs the compiler
+	   to maintain this alignment. */
+	char buf[16384] Py_ALIGNED(8);
 	int buf_len = (sizeof buf) - 1;
 	int errnop;
 #endif

Modified: python/branches/py3k/Tools/scripts/patchcheck.py
==============================================================================
--- python/branches/py3k/Tools/scripts/patchcheck.py	(original)
+++ python/branches/py3k/Tools/scripts/patchcheck.py	Fri Jan 16 04:54:08 2009
@@ -62,12 +62,12 @@
 @status("Misc/ACKS updated", modal=True)
 def credit_given(file_paths):
     """Check if Misc/ACKS has been changed."""
-    return True if 'Misc/ACKS' in file_paths else False
+    return 'Misc/ACKS' in file_paths
 
 @status("Misc/NEWS updated", modal=True)
 def reported_news(file_paths):
     """Check if Misc/NEWS has been changed."""
-    return True if 'Misc/NEWS' in file_paths else False
+    return 'Misc/NEWS' in file_paths
 
 
 def main():


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