setattr() must not convert combined table into split table.

Issue #28147: Fix a memory leak in split-table dictionaries: setattr() must not
convert combined table into split table.

Patch written by INADA Naoki.
(grafted from 85be9dcc16a81d3ccd1f67b056255a7f206edd47)

Issue #28147: Fix a memory leak in split-table dictionaries: setattr() must not
convert combined table into split table.

Patch written by INADA Naoki.

PyDict_GetItemWithError().  Patch by Xiang Zhang.

Patch by Xiang Zhang.

Issue #28120: Fix dict.pop() for splitted dictionary when trying to remove a
"pending key" (Not yet inserted in split-table).

Patch by Xiang Zhang.

Issue #28040: Fix _PyDict_DelItem_KnownHash() and _PyDict_Pop(): convert
splitted table to combined table to be able to delete the item.

Write an unit test for the issue.

Patch by INADA Naoki.

Affected classes are generic sequence iterators, iterators of str, bytes,
bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding
views and os.scandir() iterator.

* Write one import per line
* Sort imports by name
* Add an empty line: 2 empty lines between code blocks at the module level (PEP 8)

I have compared output between pre- and post-patch runs of these tests
to make sure there's nothing missing and nothing broken, on both
Windows and Linux.  The only differences I found were actually tests
that were previously *not* run.

Issue #22653: Fix an assertion failure in debug mode when doing a reentrant dict insertion in debug mode.

Issue #14417: Mutating a dict during lookup now restarts the lookup instead of raising a RuntimeError (undoes issue #14205).

Patch from Mark Shannon.

a lookup.

"if you want to make a sandbox on top of CPython, you have to fix segfaults"
so let's fix segfaults!

Issue #13521: dict.setdefault() now does only one lookup for the given key, making it "atomic" for many purposes.
Patch by Filip Gruszczyński.

Issue #13521: dict.setdefault() now does only one lookup for the given key, making it "atomic" for many purposes.
Patch by Filip Gruszczyński.

svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r86596 | ezio.melotti | 2010-11-20 21:04:17 +0200 (Sat, 20 Nov 2010) | 1 line

  #9424: Replace deprecated assert* methods in the Python test suite.
........

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r77942 | ezio.melotti | 2010-02-03 07:37:26 +0200 (Wed, 03 Feb 2010) | 1 line

  #7092: Silence more py3k warnings. Patch by Florent Xicluna.
........
  r79023 | ezio.melotti | 2010-03-17 15:52:48 +0200 (Wed, 17 Mar 2010) | 1 line

  #7092: silence some more py3k warnings.
........

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r81465 | georg.brandl | 2010-05-22 06:29:19 -0500 (Sat, 22 May 2010) | 2 lines

  Issue #3924: Ignore cookies with invalid "version" field in cookielib.
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  r81466 | georg.brandl | 2010-05-22 06:31:16 -0500 (Sat, 22 May 2010) | 1 line

  Underscore the name of an internal utility function.
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  r81468 | georg.brandl | 2010-05-22 06:43:25 -0500 (Sat, 22 May 2010) | 1 line

  #8635: document enumerate() start parameter in docstring.
........
  r81679 | benjamin.peterson | 2010-06-03 16:21:03 -0500 (Thu, 03 Jun 2010) | 1 line

  use a set for membership testing
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  r81735 | michael.foord | 2010-06-05 06:46:59 -0500 (Sat, 05 Jun 2010) | 1 line

  Extract error message truncating into a method (unittest.TestCase._truncateMessage).
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  r81760 | michael.foord | 2010-06-05 14:38:42 -0500 (Sat, 05 Jun 2010) | 1 line

  Issue 8302. SkipTest exception is setUpClass or setUpModule is now reported as a skip rather than an error.
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  r81868 | benjamin.peterson | 2010-06-09 14:45:04 -0500 (Wed, 09 Jun 2010) | 1 line

  fix code formatting
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  r82183 | benjamin.peterson | 2010-06-23 15:29:26 -0500 (Wed, 23 Jun 2010) | 1 line

  cpython only gc tests
........

This adds PyArg_ValidateKeywordArguments, which checks that keyword arguments
are all strings, using an optimized method if possible.

svn+ssh://pythondev@svn.python.org/python/trunk

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  r78582 | florent.xicluna | 2010-03-02 17:00:00 +0100 (mar, 02 mar 2010) | 2 lines

  Refactor test_dict using assertRaises.
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svn+ssh://pythondev@svn.python.org/python/trunk

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  r77727 | ezio.melotti | 2010-01-24 18:58:36 +0200 (Sun, 24 Jan 2010) | 1 line

  use assert[Not]IsInstance where appropriate
........