Merged revisions 70768,71657,71721,71729,71794,71976,72036-72037,72079,72085,72131-72134,72191,72197-72198,72219,72221,72225,72303,72434,72467,72476 via svnmerge from

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

........
  r70768 | andrew.kuchling | 2009-03-30 17:29:15 -0500 (Mon, 30 Mar 2009) | 1 line

  Typo fixes
........
  r71657 | vinay.sajip | 2009-04-16 14:07:37 -0500 (Thu, 16 Apr 2009) | 1 line

  Issue #5768: Change to Unicode output logic and test case for same.
........
  r71721 | benjamin.peterson | 2009-04-18 14:26:19 -0500 (Sat, 18 Apr 2009) | 1 line

  fix a few nits in unittest.py #5771
........
  r71729 | benjamin.peterson | 2009-04-18 16:03:10 -0500 (Sat, 18 Apr 2009) | 1 line

  move test to a more appropiate one
........
  r71794 | vinay.sajip | 2009-04-22 07:10:47 -0500 (Wed, 22 Apr 2009) | 2 lines

  Issue #5170: Fixed regression caused when fixing #5768.
........
  r71976 | mark.dickinson | 2009-04-26 14:54:55 -0500 (Sun, 26 Apr 2009) | 2 lines

  Fix typo in function name
........
  r72036 | georg.brandl | 2009-04-27 12:04:23 -0500 (Mon, 27 Apr 2009) | 1 line

  #5848: small unittest doc patch.
........
  r72037 | georg.brandl | 2009-04-27 12:09:53 -0500 (Mon, 27 Apr 2009) | 1 line

  #5840: dont claim we dont support TLS.
........
  r72079 | r.david.murray | 2009-04-28 14:02:55 -0500 (Tue, 28 Apr 2009) | 2 lines

  Remove spurious 'u'.
........
  r72085 | georg.brandl | 2009-04-28 16:48:35 -0500 (Tue, 28 Apr 2009) | 1 line

  Make the doctests in the docs pass, except for those in the turtle module.
........
  r72131 | benjamin.peterson | 2009-04-29 17:43:35 -0500 (Wed, 29 Apr 2009) | 1 line

  fix test_shutil on ZFS #5676
........
  r72132 | georg.brandl | 2009-04-29 17:44:07 -0500 (Wed, 29 Apr 2009) | 1 line

  #5878: fix repr of re object.
........
  r72133 | benjamin.peterson | 2009-04-29 17:44:15 -0500 (Wed, 29 Apr 2009) | 1 line

  make sure mode is removable while cleaning up test droppings
........
  r72134 | benjamin.peterson | 2009-04-29 19:06:33 -0500 (Wed, 29 Apr 2009) | 1 line

  make sure to close file
........
  r72191 | michael.foord | 2009-05-02 06:43:06 -0500 (Sat, 02 May 2009) | 9 lines

  Adds an exit parameter to unittest.main(). If False main no longer
  calls sys.exit.

  Closes issue 3379.

  Michael Foord

........
  r72197 | benjamin.peterson | 2009-05-02 11:24:37 -0500 (Sat, 02 May 2009) | 1 line

  don't let sys.argv be used in the tests
........
  r72198 | andrew.kuchling | 2009-05-02 12:12:15 -0500 (Sat, 02 May 2009) | 1 line

  Add items
........
  r72219 | michael.foord | 2009-05-02 15:15:05 -0500 (Sat, 02 May 2009) | 8 lines

  Add addCleanup and doCleanups to unittest.TestCase.

  Closes issue 5679.

  Michael Foord
........
  r72221 | benjamin.peterson | 2009-05-02 15:26:53 -0500 (Sat, 02 May 2009) | 1 line

  add myself
........
  r72225 | michael.foord | 2009-05-02 17:43:34 -0500 (Sat, 02 May 2009) | 1 line
........
  r72303 | benjamin.peterson | 2009-05-04 19:55:24 -0500 (Mon, 04 May 2009) | 1 line

  using sys._getframe(x), where x > 0 doesnt' work on IronPython
........
  r72434 | r.david.murray | 2009-05-07 13:09:58 -0500 (Thu, 07 May 2009) | 2 lines

  Pre-opened test file needs to be opened in binary mode.
........
  r72467 | georg.brandl | 2009-05-08 07:17:34 -0500 (Fri, 08 May 2009) | 1 line

  Fix name.
........
  r72476 | thomas.heller | 2009-05-08 15:09:40 -0500 (Fri, 08 May 2009) | 4 lines

  Add a file that contains diffs between offical libffi files and the
  files in this repository.  Should make it easier to merge new libffi
  versions.
........

22 files changed, 910 insertions, 146 deletions

diff --git a/Doc/c-api/init.rst b/Doc/c-api/init.rst
index 299af7f..6e185fa 100644
--- a/Doc/c-api/init.rst
+++ b/Doc/c-api/init.rst
@@ -416,10 +416,9 @@ the I/O is waiting for the I/O operation to complete.
 The Python interpreter needs to keep some bookkeeping information separate per
 thread --- for this it uses a data structure called :ctype:`PyThreadState`.
 There's one global variable, however: the pointer to the current
-:ctype:`PyThreadState` structure.  While most thread packages have a way to
-store "per-thread global data," Python's internal platform independent thread
-abstraction doesn't support this yet.  Therefore, the current thread state must
-be manipulated explicitly.
+:ctype:`PyThreadState` structure.  Before the addition of :dfn:`thread-local
+storage` (:dfn:`TLS`) the current thread state had to be manipulated
+explicitly.
 
 This is easy enough in most cases.  Most code manipulating the global
 interpreter lock has the following simple structure::
diff --git a/Doc/howto/functional.rst b/Doc/howto/functional.rst
index 9aa0aed..920dc2d 100644
--- a/Doc/howto/functional.rst
+++ b/Doc/howto/functional.rst
@@ -473,7 +473,7 @@ Here's a sample usage of the ``generate_ints()`` generator:
 
     >>> gen = generate_ints(3)
     >>> gen
-    <generator object at ...>
+    <generator object generate_ints at ...>
     >>> next(gen)
     0
     >>> next(gen)
diff --git a/Doc/howto/regex.rst b/Doc/howto/regex.rst
index 2623867..7144298 100644
--- a/Doc/howto/regex.rst
+++ b/Doc/howto/regex.rst
@@ -264,7 +264,7 @@ performing string substitutions. ::
    >>> import re
    >>> p = re.compile('ab*')
    >>> p
-   <re.RegexObject instance at 80b4150>
+   <_sre.SRE_Pattern object at 80b4150>
 
 :func:`re.compile` also accepts an optional *flags* argument, used to enable
 various special features and syntax variations.  We'll go over the available
diff --git a/Doc/library/2to3.rst b/Doc/library/2to3.rst
index 90284af..9b2b4e4 100644
--- a/Doc/library/2to3.rst
+++ b/Doc/library/2to3.rst
@@ -352,6 +352,7 @@ and off individually.  They are described here in more detail.
    :synopsis: the 2to3 library
 .. moduleauthor:: Guido van Rossum
 .. moduleauthor:: Collin Winter
+.. moduleauthor:: Benjamin Peterson <benjamin@python.org>
 
 
 .. note::
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index c334dc7..fca84bd 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -169,7 +169,7 @@ For example::
    class is similar to bags or multisets in other languages.
 
    Elements are counted from an *iterable* or initialized from another
-   *mapping* (or counter)::
+   *mapping* (or counter):
 
         >>> c = Counter()                           # a new, empty counter
         >>> c = Counter('gallahad')                 # a new counter from an iterable
@@ -177,7 +177,7 @@ For example::
         >>> c = Counter(cats=4, dogs=8)             # a new counter from keyword args
 
    Counter objects have a dictionary interface except that they return a zero
-   count for missing items instead of raising a :exc:`KeyError`::
+   count for missing items instead of raising a :exc:`KeyError`:
 
         >>> c = Counter(['eggs', 'ham'])
         >>> c['bacon']                              # count of a missing element is zero
@@ -210,7 +210,7 @@ For example::
       Return a list of the *n* most common elements and their counts from the
       most common to the least.  If *n* is not specified, :func:`most_common`
       returns *all* elements in the counter.  Elements with equal counts are
-      ordered arbitrarily::
+      ordered arbitrarily:
 
             >>> Counter('abracadabra').most_common(3)
             [('a', 5), ('r', 2), ('b', 2)]
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst
index 2b4d156..a27fbf4 100644
--- a/Doc/library/decimal.rst
+++ b/Doc/library/decimal.rst
@@ -1746,7 +1746,7 @@ the :const:`Inexact` trap is set, it is also useful for validation:
    >>> Decimal('3.214').quantize(TWOPLACES, context=Context(traps=[Inexact]))
    Traceback (most recent call last):
       ...
-   Inexact
+   Inexact: None
 
 Q. Once I have valid two place inputs, how do I maintain that invariant
 throughout an application?
diff --git a/Doc/library/json.rst b/Doc/library/json.rst
index 819c339..955c25b 100644
--- a/Doc/library/json.rst
+++ b/Doc/library/json.rst
@@ -165,12 +165,12 @@ Basic Usage
    document) to a Python object.
 
    *object_hook* is an optional function that will be called with the result of
-   any object literal decode (a :class:`dict`).  The return value of
+   any object literal decoded (a :class:`dict`).  The return value of
    *object_hook* will be used instead of the :class:`dict`.  This feature can be used
    to implement custom decoders (e.g. JSON-RPC class hinting).
 
    *object_pairs_hook* is an optional function that will be called with the
-   result of any object literal decode with an ordered list of pairs.  The
+   result of any object literal decoded with an ordered list of pairs.  The
    return value of *object_pairs_hook* will be used instead of the
    :class:`dict`.  This feature can be used to implement custom decoders that
    rely on the order that the key and value pairs are decoded (for example,
diff --git a/Doc/library/shelve.rst b/Doc/library/shelve.rst
index 8121004..8c1f08b 100644
--- a/Doc/library/shelve.rst
+++ b/Doc/library/shelve.rst
@@ -1,4 +1,3 @@
-
 :mod:`shelve` --- Python object persistence
 ===========================================
 
@@ -35,7 +34,7 @@ lots of shared  sub-objects.  The keys are ordinary strings.
    accessed entries are written back (there is no way to determine which accessed
    entries are mutable, nor which ones were actually mutated).
 
-Shelve objects support all methods supported by dictionaries.  This eases the
+Shelf objects support all methods supported by dictionaries.  This eases the
 transition from dictionary based scripts to those requiring persistent storage.
 
 One additional method is supported:
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 3b6c8cc..7952f68 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -174,13 +174,13 @@ This module also defines four shortcut functions:
    :attr:`returncode`
    attribute and output in the :attr:`output` attribute.
 
-   The arguments are the same as for the :class:`Popen` constructor.  Example:
+   The arguments are the same as for the :class:`Popen` constructor.  Example::
 
       >>> subprocess.check_output(["ls", "-l", "/dev/null"])
       'crw-rw-rw- 1 root root 1, 3 Oct 18  2007 /dev/null\n'
 
    The stdout argument is not allowed as it is used internally.
-   To capture standard error in the result, use stderr=subprocess.STDOUT.
+   To capture standard error in the result, use ``stderr=subprocess.STDOUT``::
 
       >>> subprocess.check_output(
               ["/bin/sh", "-c", "ls non_existent_file ; exit 0"],
diff --git a/Doc/library/traceback.rst b/Doc/library/traceback.rst
index 6929c1d..5c42740 100644
--- a/Doc/library/traceback.rst
+++ b/Doc/library/traceback.rst
@@ -228,7 +228,7 @@ The output for the example would look similar to this:
    *** extract_tb:
    [('<doctest...>', 10, '<module>', 'lumberjack()'),
     ('<doctest...>', 4, 'lumberjack', 'bright_side_of_death()'),
-    (u'<doctest...>', 7, 'bright_side_of_death', 'return tuple()[0]')]
+    ('<doctest...>', 7, 'bright_side_of_death', 'return tuple()[0]')]
    *** format_tb:
    ['  File "<doctest...>", line 10, in <module>\n    lumberjack()\n',
     '  File "<doctest...>", line 4, in lumberjack\n    bright_side_of_death()\n',
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 675114a..abeb8a0 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -954,7 +954,6 @@ Test cases
       along with the method name.
 
       .. versionchanged:: 3.1
-
          In earlier versions this only returned the first line of the test
          method's docstring, if available or the :const:`None`.  That led to
          undesirable behavior of not printing the test name when someone was
@@ -978,6 +977,36 @@ Test cases
       .. versionadded:: 3.1
 
 
+   .. method:: addCleanup(function[, *args[, **kwargs]])
+
+      Add a function to be called after :meth:`tearDown` to cleanup resources
+      used during the test. Functions will be called in reverse order to the
+      order they are added (LIFO). They are called with any arguments and
+      keyword arguments passed into :meth:`addCleanup` when they are
+      added.
+
+      If :meth:`setUp` fails, meaning that :meth:`tearDown` is not called,
+      then any cleanup functions added will still be called.
+
+      .. versionadded:: 2.7
+
+
+   .. method:: doCleanups()
+
+      This method is called uncoditionally after :meth:`tearDown`, or
+      after :meth:`setUp` if :meth:`setUp` raises an exception.
+
+      It is responsible for calling all the cleanup functions added by
+      :meth:`addCleanup`. If you need cleanup functions to be called
+      *prior* to :meth:`tearDown` then you can call :meth:`doCleanups`
+      yourself.
+
+      :meth:`doCleanups` pops methods off the stack of cleanup
+      functions one at a time, so it can be called at any time.
+
+      .. versionadded:: 2.7
+
+
 .. class:: FunctionTestCase(testFunc[, setUp[, tearDown[, description]]])
 
    This class implements the portion of the :class:`TestCase` interface which
@@ -1046,6 +1075,20 @@ Grouping tests
       Return the number of tests represented by this test object, including all
       individual tests and sub-suites.
 
+
+   .. method:: __iter__()
+
+      Tests grouped by a :class:`TestSuite` are always accessed by iteration.
+      Subclasses can lazily provide tests by overriding :meth:`__iter__`. Note
+      that this method maybe called several times on a single suite
+      (for example when counting tests or comparing for equality)
+      so the tests returned must be the same for repeated iterations.
+
+      .. versionchanged:: 2.7
+         In earlier versions the :class:`TestSuite` accessed tests directly rather
+         than through iteration, so overriding :meth:`__iter__` wasn't sufficient
+         for providing tests.
+
    In the typical usage of a :class:`TestSuite` object, the :meth:`run` method
    is invoked by a :class:`TestRunner` rather than by the end-user test harness.
 
@@ -1190,7 +1233,6 @@ Loading and running tests
       holding formatted tracebacks. Each tuple represents a test which raised an
       unexpected exception.
 
-
    .. attribute:: failures
 
       A list containing 2-tuples of :class:`TestCase` instances and strings
@@ -1266,6 +1308,20 @@ Loading and running tests
       The default implementation does nothing.
 
 
+   .. method:: startTestRun(test)
+
+      Called once before any tests are executed.
+
+      .. versionadded:: 2.7
+
+
+   .. method:: stopTestRun(test)
+
+      Called once before any tests are executed.
+
+      .. versionadded:: 2.7
+
+
    .. method:: addError(test, err)
 
       Called when the test case *test* raises an unexpected exception *err* is a
@@ -1335,8 +1391,14 @@ Loading and running tests
    has a few configurable parameters, but is essentially very simple.  Graphical
    applications which run test suites should provide alternate implementations.
 
+   .. method:: _makeResult()
+
+      This method returns the instance of ``TestResult`` used by :meth:`run`.
+      It is not intended to be called directly, but can be overridden in
+      subclasses to provide a custom ``TestResult``.
 
-.. function:: main([module[, defaultTest[, argv[, testRunner[, testLoader]]]]])
+
+.. function:: main([module[, defaultTest[, argv[, testRunner[, testLoader[, exit]]]]]])
 
    A command-line program that runs a set of tests; this is primarily for making
    test modules conveniently executable.  The simplest use for this function is to
@@ -1346,4 +1408,18 @@ Loading and running tests
           unittest.main()
 
    The *testRunner* argument can either be a test runner class or an already
-   created instance of it.
+   created instance of it. By default ``main`` calls :func:`sys.exit` with
+   an exit code indicating success or failure of the tests run.
+
+   ``main`` supports being used from the interactive interpreter by passing in the
+   argument ``exit=False``. This displays the result on standard output without
+   calling :func:`sys.exit`::
+
+      >>> from unittest import main
+      >>> main(module='test_module', exit=False)
+
+   Calling ``main`` actually returns an instance of the ``TestProgram`` class.
+   This stores the result of the tests run as the ``result`` attribute.
+
+   .. versionchanged:: 2.7
+      The ``exit`` parameter was added.
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
index f7dab79..9182c453 100644
--- a/Doc/whatsnew/2.7.rst
+++ b/Doc/whatsnew/2.7.rst
@@ -121,6 +121,31 @@ Some smaller changes made to the core Python language are:
 
   (Contributed by Fredrik Johansson and Victor Stinner; :issue:`3439`.)
 
+* Conversions from long integers and regular integers to floating
+  point now round differently, returning the floating-point number
+  closest to the number.  This doesn't matter for small integers that
+  can be converted exactly, but for large numbers that will
+  unavoidably lose precision, Python 2.7 will now approximate more
+  closely.  For example, Python 2.6 computed the following::
+
+    >>> n = 295147905179352891391
+    >>> float(n)
+    2.9514790517935283e+20
+    >>> n - long(float(n))
+    65535L
+
+  Python 2.7's floating-point result is larger, but much closer to the
+  true value::
+
+    >>> n = 295147905179352891391
+    >>> float(n)
+    2.9514790517935289e+20
+    >>> n-long(float(n)
+    ... )
+    -1L
+
+  (Implemented by Mark Dickinson; :issue:`3166`.)
+
 * The :class:`bytearray` type's :meth:`translate` method will
   now accept ``None`` as its first argument.  (Fixed by Georg Brandl;
   :issue:`4759`.)
@@ -220,21 +245,24 @@ changes, or look through the Subversion logs for all the details.
 * New class: the :class:`Counter` class in the :mod:`collections` module is
   useful for tallying data.  :class:`Counter` instances behave mostly
   like dictionaries but return zero for missing keys instead of
-  raising a :exc:`KeyError`::
-
-    >>> from collections import Counter
-    >>> c=Counter()
-    >>> for letter in 'here is a sample of english text':
-    ...   c[letter] += 1
-    ...
-    >>> c
-    Counter({' ': 6, 'e': 5, 's': 3, 'a': 2, 'i': 2, 'h': 2,
-    'l': 2, 't': 2, 'g': 1, 'f': 1, 'm': 1, 'o': 1, 'n': 1,
-    'p': 1, 'r': 1, 'x': 1})
-    >>> c['e']
-    5
-    >>> c['z']
-    0
+  raising a :exc:`KeyError`:
+
+  .. doctest::
+     :options: +NORMALIZE_WHITESPACE
+
+     >>> from collections import Counter
+     >>> c = Counter()
+     >>> for letter in 'here is a sample of english text':
+     ...   c[letter] += 1
+     ...
+     >>> c
+     Counter({' ': 6, 'e': 5, 's': 3, 'a': 2, 'i': 2, 'h': 2,
+     'l': 2, 't': 2, 'g': 1, 'f': 1, 'm': 1, 'o': 1, 'n': 1,
+     'p': 1, 'r': 1, 'x': 1})
+     >>> c['e']
+     5
+     >>> c['z']
+     0
 
   There are two additional :class:`Counter` methods: :meth:`most_common`
   returns the N most common elements and their counts, and :meth:`elements`
@@ -247,7 +275,7 @@ changes, or look through the Subversion logs for all the details.
        'a', 'a', ' ', ' ', ' ', ' ', ' ', ' ',
        'e', 'e', 'e', 'e', 'e', 'g', 'f', 'i', 'i',
        'h', 'h', 'm', 'l', 'l', 'o', 'n', 'p', 's',
-       's', 's', 'r', 't', 't', 'x']
+       's', 's', 'r', 't', 't', 'x'
 
   Contributed by Raymond Hettinger; :issue:`1696199`.
 
@@ -257,7 +285,8 @@ changes, or look through the Subversion logs for all the details.
   renamed to legal names that are derived from the field's
   position within the list of fields:
 
-     >>> T=namedtuple('T', ['field1', '$illegal', 'for', 'field2'], rename=True)
+     >>> from collections import namedtuple
+     >>> T = namedtuple('T', ['field1', '$illegal', 'for', 'field2'], rename=True)
      >>> T._fields
      ('field1', '_1', '_2', 'field2')
 
@@ -294,6 +323,10 @@ changes, or look through the Subversion logs for all the details.
   ``Decimal('0.1000000000000000055511151231257827021181583404541015625')``.
   (Implemented by Raymond Hettinger; :issue:`4796`.)
 
+* The :class:`Fraction` class will now accept two rational numbers
+  as arguments to its constructor.
+  (Implemented by Mark Dickinson; :issue:`5812`.)
+
 * New function: the :mod:`gc` module's :func:`is_tracked` returns
   true if a given instance is tracked by the garbage collector, false
   otherwise. (Contributed by Antoine Pitrou; :issue:`4688`.)
@@ -419,6 +452,13 @@ changes, or look through the Subversion logs for all the details.
 
   (Implemented by Antoine Pitrou; :issue:`4444`.)
 
+  The methods :meth:`addCleanup` and :meth:`doCleanups` were added.
+  :meth:`addCleanup` allows you to add cleanup functions that
+  will be called unconditionally (after :meth:`setUp` if
+  :meth:`setUp` fails, otherwise after :meth:`tearDown`). This allows
+  for much simpler resource allocation and deallocation during tests.
+  :issue:`5679`
+
   A number of new methods were added that provide more specialized
   tests.  Many of these methods were written by Google engineers
   for use in their test suites; Gregory P. Smith, Michael Foord, and
@@ -473,6 +513,14 @@ changes, or look through the Subversion logs for all the details.
     to provide additional information about why the two objects are
     matching, much as the new sequence comparison methods do.
 
+  :func:`unittest.main` now takes an optional ``exit`` argument.
+  If False ``main`` doesn't call :func:`sys.exit` allowing it to
+  be used from the interactive interpreter. :issue:`3379`.
+
+  :class:`TestResult` has new :meth:`startTestRun` and
+  :meth:`stopTestRun` methods; called immediately before
+  and after a test run. :issue:`5728` by Robert Collins.
+
 * The :func:`is_zipfile` function in the :mod:`zipfile` module will now
   accept a file object, in addition to the path names accepted in earlier
   versions.  (Contributed by Gabriel Genellina; :issue:`4756`.)
@@ -553,6 +601,10 @@ Changes to Python's build process and to the C API include:
   is particularly useful for asynchronous IO operations.
   (Contributed by Kristjan Valur Jonsson; :issue:`4293`.)
 
+* Global symbols defined by the :mod:`ctypes` module are now prefixed
+  with ``Py`, or with ``_ctypes``.  (Implemented by Thomas
+  Heller; :issue:`3102`.)
+
 * The :program:`configure` script now checks for floating-point rounding bugs
   on certain 32-bit Intel chips and defines a :cmacro:`X87_DOUBLE_ROUNDING`
   preprocessor definition.  No code currently uses this definition,
@@ -591,10 +643,10 @@ Other Changes and Fixes
 
 * When importing a module from a :file:`.pyc` or :file:`.pyo` file
   with an existing :file:`.py` counterpart, the :attr:`co_filename`
-  attributes of all code objects if the original filename is obsolete,
-  which can happen if the file has been renamed, moved, or is accessed
-  through different paths.  (Patch by Ziga Seilnacht and Jean-Paul
-  Calderone; :issue:`1180193`.)
+  attributes of the resulting code objects are overwritten when the
+  original filename is obsolete.  This can happen if the file has been
+  renamed, moved, or is accessed through different paths.  (Patch by
+  Ziga Seilnacht and Jean-Paul Calderone; :issue:`1180193`.)
 
 * The :file:`regrtest.py` script now takes a :option:`--randseed=`
   switch that takes an integer that will be used as the random seed
diff --git a/Lib/collections.py b/Lib/collections.py
index a90915a..6e2fe29 100644
--- a/Lib/collections.py
+++ b/Lib/collections.py
@@ -271,9 +271,12 @@ def namedtuple(typename, field_names, verbose=False, rename=False):
 
     # For pickling to work, the __module__ variable needs to be set to the frame
     # where the named tuple is created.  Bypass this step in enviroments where
-    # sys._getframe is not defined (Jython for example).
-    if hasattr(_sys, '_getframe'):
+    # sys._getframe is not defined (Jython for example) or sys._getframe is not
+    # defined for arguments greater than 0 (IronPython).
+    try:
         result.__module__ = _sys._getframe(1).f_globals.get('__name__', '__main__')
+    except (AttributeError, ValueError):
+        pass
 
     return result
 
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index c95cea0..517a7a9 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -756,7 +756,7 @@ class StreamHandler(Handler):
         The record is then written to the stream with a trailing newline.  If
         exception information is present, it is formatted using
         traceback.print_exception and appended to the stream.  If the stream
-        has an 'encoding' attribute, it is used to encode the message before
+        has an 'encoding' attribute, it is used to determine how to do the
         output to the stream.
         """
         try:
@@ -767,11 +767,21 @@ class StreamHandler(Handler):
                 stream.write(fs % msg)
             else:
                 try:
-                    if (isinstance(msg, unicode) or
-                        getattr(stream, 'encoding', None) is None):
-                        stream.write(fs % msg)
+                    if (isinstance(msg, unicode) and
+                        getattr(stream, 'encoding', None)):
+                        fs = fs.decode(stream.encoding)
+                        try:
+                            stream.write(fs % msg)
+                        except UnicodeEncodeError:
+                            #Printing to terminals sometimes fails. For example,
+                            #with an encoding of 'cp1251', the above write will
+                            #work if written to a stream opened or wrapped by
+                            #the codecs module, but fail when writing to a
+                            #terminal even when the codepage is set to cp1251.
+                            #An extra encoding step seems to be needed.
+                            stream.write((fs % msg).encode(stream.encoding))
                     else:
-                        stream.write(fs % msg.encode(stream.encoding))
+                        stream.write(fs % msg)
                 except UnicodeError:
                     stream.write(fs % msg.encode("UTF-8"))
             self.flush()
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 0408a02..673f11f 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -663,6 +663,7 @@ def runtest_inner(test, generate, verbose, quiet, test_times,
 
 def cleanup_test_droppings(testname, verbose):
     import shutil
+    import stat
 
     # Try to clean up junk commonly left behind.  While tests shouldn't leave
     # any files or directories behind, when a test fails that can be tedious
@@ -687,6 +688,10 @@ def cleanup_test_droppings(testname, verbose):
         if verbose:
             print("%r left behind %s %r" % (testname, kind, name))
         try:
+            # if we have chmod, fix possible permissions problems
+            # that might prevent cleanup
+            if (hasattr(os, 'chmod')):
+                os.chmod(name, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
             nuker(name)
         except Exception as msg:
             print(("%r left behind %s %r and it couldn't be "
diff --git a/Lib/test/test_aifc.py b/Lib/test/test_aifc.py
index 0248615..4869bf3 100644
--- a/Lib/test/test_aifc.py
+++ b/Lib/test/test_aifc.py
@@ -27,7 +27,7 @@ class AIFCTest(unittest.TestCase):
     def test_skipunknown(self):
         #Issue 2245
         #This file contains chunk types aifc doesn't recognize.
-        f = aifc.open(self.sndfilepath)
+        self.f = aifc.open(self.sndfilepath)
 
     def test_params(self):
         f = self.f = aifc.open(self.sndfilepath)
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index ba0e0b8..37cab01 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -3585,31 +3585,6 @@ order (MRO) for bases """
         self.assertEqual(e.a, 2)
         self.assertEqual(C2.__subclasses__(), [D])
 
-        # stuff that shouldn't:
-        class L(list):
-            pass
-
-        try:
-            L.__bases__ = (dict,)
-        except TypeError:
-            pass
-        else:
-            self.fail("shouldn't turn list subclass into dict subclass")
-
-        try:
-            list.__bases__ = (dict,)
-        except TypeError:
-            pass
-        else:
-            self.fail("shouldn't be able to assign to list.__bases__")
-
-        try:
-            D.__bases__ = (C2, list)
-        except TypeError:
-            pass
-        else:
-            assert 0, "best_base calculation found wanting"
-
         try:
             del D.__bases__
         except (TypeError, AttributeError):
@@ -3657,6 +3632,36 @@ order (MRO) for bases """
             if tp is not object:
                 self.assertEqual(len(tp.__bases__), 1, tp)
 
+        class L(list):
+            pass
+
+        class C(object):
+            pass
+
+        class D(C):
+            pass
+
+        try:
+            L.__bases__ = (dict,)
+        except TypeError:
+            pass
+        else:
+            self.fail("shouldn't turn list subclass into dict subclass")
+
+        try:
+            list.__bases__ = (dict,)
+        except TypeError:
+            pass
+        else:
+            self.fail("shouldn't be able to assign to list.__bases__")
+
+        try:
+            D.__bases__ = (C, list)
+        except TypeError:
+            pass
+        else:
+            assert 0, "best_base calculation found wanting"
+
 
     def test_mutable_bases_with_failing_mro(self):
         # Testing mutable bases with failing mro...
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 1463cf7..69ec491 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -894,6 +894,7 @@ class EncodingTest(BaseTest):
         message = '\u0434\u043e \u0441\u0432\u0438\u0434\u0430\u043d\u0438\u044f'
         #Ensure it's written in a Cyrillic encoding
         writer_class = codecs.getwriter('cp1251')
+        writer_class.encoding = 'cp1251'
         stream = io.BytesIO()
         writer = writer_class(stream, 'strict')
         handler = logging.StreamHandler(writer)
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
index cdb039d..5a546ec 100644
--- a/Lib/test/test_shutil.py
+++ b/Lib/test/test_shutil.py
@@ -46,9 +46,23 @@ class TestShutil(unittest.TestCase):
             shutil.rmtree(TESTFN)
 
     def check_args_to_onerror(self, func, arg, exc):
+        # test_rmtree_errors deliberately runs rmtree
+        # on a directory that is chmod 400, which will fail.
+        # This function is run when shutil.rmtree fails.
+        # 99.9% of the time it initially fails to remove
+        # a file in the directory, so the first time through
+        # func is os.remove.
+        # However, some Linux machines running ZFS on
+        # FUSE experienced a failure earlier in the process
+        # at os.listdir.  The first failure may legally
+        # be either.
         if self.errorState == 0:
-            self.assertEqual(func, os.remove)
-            self.assertEqual(arg, self.childpath)
+            if func is os.remove:
+                self.assertEqual(arg, self.childpath)
+            else:
+                self.assertIs(func, os.listdir,
+                              "func must be either os.remove or os.listdir")
+                self.assertEqual(arg, TESTFN)
             self.failUnless(issubclass(exc[0], OSError))
             self.errorState = 1
         else:
diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index d0d2049..e7097cc 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -9,9 +9,10 @@ Still need testing:
 import re
 from test import support
 import unittest
-from unittest import TestCase
+from unittest import TestCase, TestProgram
 import types
 from copy import deepcopy
+import io
 
 ### Support code
 ################################################################
@@ -25,10 +26,18 @@ class LoggingResult(unittest.TestResult):
         self._events.append('startTest')
         super().startTest(test)
 
+    def startTestRun(self):
+        self._events.append('startTestRun')
+        super(LoggingResult, self).startTestRun()
+
     def stopTest(self, test):
         self._events.append('stopTest')
         super().stopTest(test)
 
+    def stopTestRun(self):
+        self._events.append('stopTestRun')
+        super(LoggingResult, self).stopTestRun()
+
     def addFailure(self, *args):
         self._events.append('addFailure')
         super().addFailure(*args)
@@ -1826,6 +1835,12 @@ class Test_TestResult(TestCase):
         self.assertEqual(result.testsRun, 1)
         self.assertEqual(result.shouldStop, False)
 
+    # "Called before and after tests are run. The default implementation does nothing."
+    def test_startTestRun_stopTestRun(self):
+        result = unittest.TestResult()
+        result.startTestRun()
+        result.stopTestRun()
+
     # "addSuccess(test)"
     # ...
     # "Called when the test case test succeeds"
@@ -1973,6 +1988,53 @@ class Foo(unittest.TestCase):
 class Bar(Foo):
     def test2(self): pass
 
+class LoggingTestCase(unittest.TestCase):
+    """A test case which logs its calls."""
+
+    def __init__(self, events):
+        super(LoggingTestCase, self).__init__('test')
+        self.events = events
+
+    def setUp(self):
+        self.events.append('setUp')
+
+    def test(self):
+        self.events.append('test')
+
+    def tearDown(self):
+        self.events.append('tearDown')
+
+class ResultWithNoStartTestRunStopTestRun(object):
+    """An object honouring TestResult before startTestRun/stopTestRun."""
+
+    def __init__(self):
+        self.failures = []
+        self.errors = []
+        self.testsRun = 0
+        self.skipped = []
+        self.expectedFailures = []
+        self.unexpectedSuccesses = []
+        self.shouldStop = False
+
+    def startTest(self, test):
+        pass
+
+    def stopTest(self, test):
+        pass
+
+    def addError(self, test):
+        pass
+
+    def addFailure(self, test):
+        pass
+
+    def addSuccess(self, test):
+        pass
+
+    def wasSuccessful(self):
+        return True
+
+
 ################################################################
 ### /Support code for Test_TestCase
 
@@ -2067,19 +2129,30 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         events = []
         result = LoggingResult(events)
 
-        class Foo(unittest.TestCase):
+        class Foo(LoggingTestCase):
             def setUp(self):
-                events.append('setUp')
+                super(Foo, self).setUp()
                 raise RuntimeError('raised by Foo.setUp')
 
-            def test(self):
-                events.append('test')
+        Foo(events).run(result)
+        expected = ['startTest', 'setUp', 'addError', 'stopTest']
+        self.assertEqual(events, expected)
 
-            def tearDown(self):
-                events.append('tearDown')
+    # "With a temporary result stopTestRun is called when setUp errors.
+    def test_run_call_order__error_in_setUp_default_result(self):
+        events = []
 
-        Foo('test').run(result)
-        expected = ['startTest', 'setUp', 'addError', 'stopTest']
+        class Foo(LoggingTestCase):
+            def defaultTestResult(self):
+                return LoggingResult(self.events)
+
+            def setUp(self):
+                super(Foo, self).setUp()
+                raise RuntimeError('raised by Foo.setUp')
+
+        Foo(events).run()
+        expected = ['startTestRun', 'startTest', 'setUp', 'addError',
+                    'stopTest', 'stopTestRun']
         self.assertEqual(events, expected)
 
     # "When a setUp() method is defined, the test runner will run that method
@@ -2093,20 +2166,32 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         events = []
         result = LoggingResult(events)
 
-        class Foo(unittest.TestCase):
-            def setUp(self):
-                events.append('setUp')
-
+        class Foo(LoggingTestCase):
             def test(self):
-                events.append('test')
+                super(Foo, self).test()
                 raise RuntimeError('raised by Foo.test')
 
-            def tearDown(self):
-                events.append('tearDown')
-
         expected = ['startTest', 'setUp', 'test', 'addError', 'tearDown',
                     'stopTest']
-        Foo('test').run(result)
+        Foo(events).run(result)
+        self.assertEqual(events, expected)
+
+    # "With a default result, an error in the test still results in stopTestRun
+    # being called."
+    def test_run_call_order__error_in_test_default_result(self):
+        events = []
+
+        class Foo(LoggingTestCase):
+            def defaultTestResult(self):
+                return LoggingResult(self.events)
+
+            def test(self):
+                super(Foo, self).test()
+                raise RuntimeError('raised by Foo.test')
+
+        expected = ['startTestRun', 'startTest', 'setUp', 'test', 'addError',
+                    'tearDown', 'stopTest', 'stopTestRun']
+        Foo(events).run()
         self.assertEqual(events, expected)
 
     # "When a setUp() method is defined, the test runner will run that method
@@ -2120,20 +2205,30 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         events = []
         result = LoggingResult(events)
 
-        class Foo(unittest.TestCase):
-            def setUp(self):
-                events.append('setUp')
-
+        class Foo(LoggingTestCase):
             def test(self):
-                events.append('test')
+                super(Foo, self).test()
                 self.fail('raised by Foo.test')
 
-            def tearDown(self):
-                events.append('tearDown')
-
         expected = ['startTest', 'setUp', 'test', 'addFailure', 'tearDown',
                     'stopTest']
-        Foo('test').run(result)
+        Foo(events).run(result)
+        self.assertEqual(events, expected)
+
+    # "When a test fails with a default result stopTestRun is still called."
+    def test_run_call_order__failure_in_test_default_result(self):
+
+        class Foo(LoggingTestCase):
+            def defaultTestResult(self):
+                return LoggingResult(self.events)
+            def test(self):
+                super(Foo, self).test()
+                self.fail('raised by Foo.test')
+
+        expected = ['startTestRun', 'startTest', 'setUp', 'test', 'addFailure',
+                    'tearDown', 'stopTest', 'stopTestRun']
+        events = []
+        Foo(events).run()
         self.assertEqual(events, expected)
 
     # "When a setUp() method is defined, the test runner will run that method
@@ -2147,22 +2242,44 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         events = []
         result = LoggingResult(events)
 
-        class Foo(unittest.TestCase):
-            def setUp(self):
-                events.append('setUp')
-
-            def test(self):
-                events.append('test')
-
+        class Foo(LoggingTestCase):
             def tearDown(self):
-                events.append('tearDown')
+                super(Foo, self).tearDown()
                 raise RuntimeError('raised by Foo.tearDown')
 
-        Foo('test').run(result)
+        Foo(events).run(result)
         expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
                     'stopTest']
         self.assertEqual(events, expected)
 
+    # "When tearDown errors with a default result stopTestRun is still called."
+    def test_run_call_order__error_in_tearDown_default_result(self):
+
+        class Foo(LoggingTestCase):
+            def defaultTestResult(self):
+                return LoggingResult(self.events)
+            def tearDown(self):
+                super(Foo, self).tearDown()
+                raise RuntimeError('raised by Foo.tearDown')
+
+        events = []
+        Foo(events).run()
+        expected = ['startTestRun', 'startTest', 'setUp', 'test', 'tearDown',
+                    'addError', 'stopTest', 'stopTestRun']
+        self.assertEqual(events, expected)
+
+    # "TestCase.run() still works when the defaultTestResult is a TestResult
+    # that does not support startTestRun and stopTestRun.
+    def test_run_call_order_default_result(self):
+
+        class Foo(unittest.TestCase):
+            def defaultTestResult(self):
+                return ResultWithNoStartTestRunStopTestRun()
+            def test(self):
+                pass
+
+        Foo('test').run()
+
     # "This class attribute gives the exception raised by the test() method.
     # If a test framework needs to use a specialized exception, possibly to
     # carry additional information, it must subclass this exception in
@@ -2253,7 +2370,9 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         self.failUnless(isinstance(Foo().id(), str))
 
     # "If result is omitted or None, a temporary result object is created
-    # and used, but is not made available to the caller"
+    # and used, but is not made available to the caller. As TestCase owns the
+    # temporary result startTestRun and stopTestRun are called.
+
     def test_run__uses_defaultTestResult(self):
         events = []
 
@@ -2267,7 +2386,8 @@ class Test_TestCase(TestCase, TestEquality, TestHashing):
         # Make run() find a result object on its own
         Foo('test').run()
 
-        expected = ['startTest', 'test', 'addSuccess', 'stopTest']
+        expected = ['startTestRun', 'startTest', 'test', 'addSuccess',
+            'stopTest', 'stopTestRun']
         self.assertEqual(events, expected)
 
     def testShortDescriptionWithoutDocstring(self):
@@ -3012,6 +3132,220 @@ class TestLongMessage(TestCase):
                              "^unexpectedly identical: None : oops$"])
 
 
+class TestCleanUp(TestCase):
+
+    def testCleanUp(self):
+        class TestableTest(TestCase):
+            def testNothing(self):
+                pass
+
+        test = TestableTest('testNothing')
+        self.assertEqual(test._cleanups, [])
+
+        cleanups = []
+
+        def cleanup1(*args, **kwargs):
+            cleanups.append((1, args, kwargs))
+
+        def cleanup2(*args, **kwargs):
+            cleanups.append((2, args, kwargs))
+
+        test.addCleanup(cleanup1, 1, 2, 3, four='hello', five='goodbye')
+        test.addCleanup(cleanup2)
+
+        self.assertEqual(test._cleanups,
+                         [(cleanup1, (1, 2, 3), dict(four='hello', five='goodbye')),
+                          (cleanup2, (), {})])
+
+        result = test.doCleanups()
+        self.assertTrue(result)
+
+        self.assertEqual(cleanups, [(2, (), {}), (1, (1, 2, 3), dict(four='hello', five='goodbye'))])
+
+    def testCleanUpWithErrors(self):
+        class TestableTest(TestCase):
+            def testNothing(self):
+                pass
+
+        class MockResult(object):
+            errors = []
+            def addError(self, test, exc_info):
+                self.errors.append((test, exc_info))
+
+        result = MockResult()
+        test = TestableTest('testNothing')
+        test._result = result
+
+        exc1 = Exception('foo')
+        exc2 = Exception('bar')
+        def cleanup1():
+            raise exc1
+
+        def cleanup2():
+            raise exc2
+
+        test.addCleanup(cleanup1)
+        test.addCleanup(cleanup2)
+
+        self.assertFalse(test.doCleanups())
+
+        (test1, (Type1, instance1, _)), (test2, (Type2, instance2, _)) = reversed(MockResult.errors)
+        self.assertEqual((test1, Type1, instance1), (test, Exception, exc1))
+        self.assertEqual((test2, Type2, instance2), (test, Exception, exc2))
+
+    def testCleanupInRun(self):
+        blowUp = False
+        ordering = []
+
+        class TestableTest(TestCase):
+            def setUp(self):
+                ordering.append('setUp')
+                if blowUp:
+                    raise Exception('foo')
+
+            def testNothing(self):
+                ordering.append('test')
+
+            def tearDown(self):
+                ordering.append('tearDown')
+
+        test = TestableTest('testNothing')
+
+        def cleanup1():
+            ordering.append('cleanup1')
+        def cleanup2():
+            ordering.append('cleanup2')
+        test.addCleanup(cleanup1)
+        test.addCleanup(cleanup2)
+
+        def success(some_test):
+            self.assertEqual(some_test, test)
+            ordering.append('success')
+
+        result = unittest.TestResult()
+        result.addSuccess = success
+
+        test.run(result)
+        self.assertEqual(ordering, ['setUp', 'test', 'tearDown',
+                                    'cleanup2', 'cleanup1', 'success'])
+
+        blowUp = True
+        ordering = []
+        test = TestableTest('testNothing')
+        test.addCleanup(cleanup1)
+        test.run(result)
+        self.assertEqual(ordering, ['setUp', 'cleanup1'])
+
+
+class Test_TestProgram(TestCase):
+
+    # Horrible white box test
+    def testNoExit(self):
+        result = object()
+        test = object()
+
+        class FakeRunner(object):
+            def run(self, test):
+                self.test = test
+                return result
+
+        runner = FakeRunner()
+
+        try:
+            oldParseArgs = TestProgram.parseArgs
+            TestProgram.parseArgs = lambda *args: None
+            TestProgram.test = test
+
+            program = TestProgram(testRunner=runner, exit=False)
+
+            self.assertEqual(program.result, result)
+            self.assertEqual(runner.test, test)
+
+        finally:
+            TestProgram.parseArgs = oldParseArgs
+            del TestProgram.test
+
+
+    class FooBar(unittest.TestCase):
+        def testPass(self):
+            assert True
+        def testFail(self):
+            assert False
+
+    class FooBarLoader(unittest.TestLoader):
+        """Test loader that returns a suite containing FooBar."""
+        def loadTestsFromModule(self, module):
+            return self.suiteClass(
+                [self.loadTestsFromTestCase(Test_TestProgram.FooBar)])
+
+
+    def test_NonExit(self):
+        program = unittest.main(exit=False,
+                                argv=["foobar"],
+                                testRunner=unittest.TextTestRunner(stream=io.StringIO()),
+                                testLoader=self.FooBarLoader())
+        self.assertTrue(hasattr(program, 'result'))
+
+
+    def test_Exit(self):
+        self.assertRaises(
+            SystemExit,
+            unittest.main,
+            argv=["foobar"],
+            testRunner=unittest.TextTestRunner(stream=io.StringIO()),
+            exit=True,
+            testLoader=self.FooBarLoader())
+
+
+    def test_ExitAsDefault(self):
+        self.assertRaises(
+            SystemExit,
+            unittest.main,
+            argv=["foobar"],
+            testRunner=unittest.TextTestRunner(stream=io.StringIO()),
+            testLoader=self.FooBarLoader())
+
+
+class Test_TextTestRunner(TestCase):
+    """Tests for TextTestRunner."""
+
+    def test_works_with_result_without_startTestRun_stopTestRun(self):
+        class OldTextResult(ResultWithNoStartTestRunStopTestRun):
+            separator2 = ''
+            def printErrors(self):
+                pass
+
+        class Runner(unittest.TextTestRunner):
+            def __init__(self):
+                super(Runner, self).__init__(io.StringIO())
+
+            def _makeResult(self):
+                return OldTextResult()
+
+        runner = Runner()
+        runner.run(unittest.TestSuite())
+
+    def test_startTestRun_stopTestRun_called(self):
+        class LoggingTextResult(LoggingResult):
+            separator2 = ''
+            def printErrors(self):
+                pass
+
+        class LoggingRunner(unittest.TextTestRunner):
+            def __init__(self, events):
+                super(LoggingRunner, self).__init__(io.StringIO())
+                self._events = events
+
+            def _makeResult(self):
+                return LoggingTextResult(self._events)
+
+        events = []
+        runner = LoggingRunner(events)
+        runner.run(unittest.TestSuite())
+        expected = ['startTestRun', 'stopTestRun']
+        self.assertEqual(events, expected)
+
+
 ######################################################################
 ## Main
 ######################################################################
@@ -3019,7 +3353,8 @@ class TestLongMessage(TestCase):
 def test_main():
     support.run_unittest(Test_TestCase, Test_TestLoader,
         Test_TestSuite, Test_TestResult, Test_FunctionTestCase,
-        Test_TestSkipping, Test_Assertions, TestLongMessage)
+        Test_TestSkipping, Test_Assertions, TestLongMessage,
+        Test_TestProgram, TestCleanUp)
 
 if __name__ == "__main__":
     test_main()
diff --git a/Lib/unittest.py b/Lib/unittest.py
index 0b7cea4..c6d893e 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -173,10 +173,22 @@ class TestResult(object):
         "Called when the given test is about to be run"
         self.testsRun = self.testsRun + 1
 
+    def startTestRun(self):
+        """Called once before any tests are executed.
+
+        See startTest for a method called before each test.
+        """
+
     def stopTest(self, test):
         "Called when the given test has been run"
         pass
 
+    def stopTestRun(self):
+        """Called once after all tests are executed.
+
+        See stopTest for a method called after each test.
+        """
+
     def addError(self, test, err):
         """Called when an error has occurred. 'err' is a tuple of values as
         returned by sys.exc_info().
@@ -262,7 +274,7 @@ class _AssertRaisesContext(object):
     def __enter__(self):
         pass
 
-    def __exit__(self, exc_type, exc_value, traceback):
+    def __exit__(self, exc_type, exc_value, tb):
         if exc_type is None:
             try:
                 exc_name = self.expected.__name__
@@ -341,12 +353,14 @@ class TestCase(object):
            not have a method with the specified name.
         """
         self._testMethodName = methodName
+        self._result = None
         try:
             testMethod = getattr(self, methodName)
         except AttributeError:
             raise ValueError("no such test method in %s: %s" % \
                   (self.__class__, methodName))
         self._testMethodDoc = testMethod.__doc__
+        self._cleanups = []
 
         # Map types to custom assertEqual functions that will compare
         # instances of said type in more detail to generate a more useful
@@ -373,6 +387,14 @@ class TestCase(object):
         """
         self._type_equality_funcs[typeobj] = _AssertWrapper(function)
 
+    def addCleanup(self, function, *args, **kwargs):
+        """Add a function, with arguments, to be called when the test is
+        completed. Functions added are called on a LIFO basis and are
+        called after tearDown on test failure or success.
+
+        Cleanup items are called even if setUp fails (unlike tearDown)."""
+        self._cleanups.append((function, args, kwargs))
+
     def setUp(self):
         "Hook method for setting up the test fixture before exercising it."
         pass
@@ -428,45 +450,70 @@ class TestCase(object):
                (_strclass(self.__class__), self._testMethodName)
 
     def run(self, result=None):
+        orig_result = result
         if result is None:
             result = self.defaultTestResult()
+            startTestRun = getattr(result, 'startTestRun', None)
+            if startTestRun is not None:
+                startTestRun()
+
+        self._result = result
         result.startTest(self)
         testMethod = getattr(self, self._testMethodName)
         try:
-            try:
-                self.setUp()
-            except SkipTest as e:
-                result.addSkip(self, str(e))
-                return
-            except Exception:
-                result.addError(self, sys.exc_info())
-                return
-
             success = False
             try:
-                testMethod()
-            except self.failureException:
-                result.addFailure(self, sys.exc_info())
-            except _ExpectedFailure as e:
-                result.addExpectedFailure(self, e.exc_info)
-            except _UnexpectedSuccess:
-                result.addUnexpectedSuccess(self)
+                self.setUp()
             except SkipTest as e:
                 result.addSkip(self, str(e))
             except Exception:
                 result.addError(self, sys.exc_info())
             else:
-                success = True
+                try:
+                    testMethod()
+                except self.failureException:
+                    result.addFailure(self, sys.exc_info())
+                except _ExpectedFailure as e:
+                    result.addExpectedFailure(self, e.exc_info)
+                except _UnexpectedSuccess:
+                    result.addUnexpectedSuccess(self)
+                except SkipTest as e:
+                    result.addSkip(self, str(e))
+                except Exception:
+                    result.addError(self, sys.exc_info())
+                else:
+                    success = True
 
-            try:
-                self.tearDown()
-            except Exception:
-                result.addError(self, sys.exc_info())
-                success = False
+                try:
+                    self.tearDown()
+                except Exception:
+                    result.addError(self, sys.exc_info())
+                    success = False
+
+            cleanUpSuccess = self.doCleanups()
+            success = success and cleanUpSuccess
             if success:
                 result.addSuccess(self)
         finally:
             result.stopTest(self)
+            if orig_result is None:
+                stopTestRun = getattr(result, 'stopTestRun', None)
+                if stopTestRun is not None:
+                    stopTestRun()
+
+    def doCleanups(self):
+        """Execute all cleanup functions. Normally called for you after
+        tearDown."""
+        result = self._result
+        ok = True
+        while self._cleanups:
+            function, args, kwargs = self._cleanups.pop(-1)
+            try:
+                function(*args, **kwargs)
+            except Exception:
+                ok = False
+                result.addError(self, sys.exc_info())
+        return ok
 
     def __call__(self, *args, **kwds):
         return self.run(*args, **kwds)
@@ -1037,7 +1084,7 @@ class TestSuite(object):
     def __eq__(self, other):
         if not isinstance(other, self.__class__):
             return NotImplemented
-        return self._tests == other._tests
+        return list(self) == list(other)
 
     def __ne__(self, other):
         return not self == other
@@ -1160,8 +1207,7 @@ class FunctionTestCase(TestCase):
                      self._testFunc, self._description))
 
     def __str__(self):
-        return "%s (%s)" % (_strclass(self.__class__),
-                            self.__testFunc.__name__)
+        return "%s (%s)" % (_strclass(self.__class__), self._testFunc.__name__)
 
     def __repr__(self):
         return "<%s testFunc=%s>" % (_strclass(self.__class__), self._testFunc)
@@ -1449,7 +1495,15 @@ class TextTestRunner(object):
         "Run the given test case or test suite."
         result = self._makeResult()
         startTime = time.time()
-        test(result)
+        startTestRun = getattr(result, 'startTestRun', None)
+        if startTestRun is not None:
+            startTestRun()
+        try:
+            test(result)
+        finally:
+            stopTestRun = getattr(result, 'stopTestRun', None)
+            if stopTestRun is not None:
+                stopTestRun()
         stopTime = time.time()
         timeTaken = stopTime - startTime
         result.printErrors()
@@ -1511,7 +1565,7 @@ Examples:
 """
     def __init__(self, module='__main__', defaultTest=None,
                  argv=None, testRunner=TextTestRunner,
-                 testLoader=defaultTestLoader):
+                 testLoader=defaultTestLoader, exit=True):
         if isinstance(module, str):
             self.module = __import__(module)
             for part in module.split('.')[1:]:
@@ -1520,6 +1574,8 @@ Examples:
             self.module = module
         if argv is None:
             argv = sys.argv
+
+        self.exit = exit
         self.verbosity = 1
         self.defaultTest = defaultTest
         self.testRunner = testRunner
@@ -1571,8 +1627,9 @@ Examples:
         else:
             # it is assumed to be a TestRunner instance
             testRunner = self.testRunner
-        result = testRunner.run(self.test)
-        sys.exit(not result.wasSuccessful())
+        self.result = testRunner.run(self.test)
+        if self.exit:
+            sys.exit(not self.result.wasSuccessful())
 
 main = TestProgram
 
diff --git a/Modules/_ctypes/libffi.diff b/Modules/_ctypes/libffi.diff
new file mode 100644
index 0000000..6765902
--- /dev/null
+++ b/Modules/_ctypes/libffi.diff
@@ -0,0 +1,207 @@
+This file contains the diffs between the files in the libffi
+subdirectory and the 'official' source files from
+ftp://sourceware.org/pub/libffi/libffi-3.0.5.tar.gz
+
+Index: libffi/aclocal.m4
+===================================================================
+--- libffi/aclocal.m4	(working copy)
++++ libffi/aclocal.m4	(revision 72475)
+@@ -1155,7 +1155,7 @@
+    test -n "$_LT_AC_TAGVAR(runpath_var, $1)" || \
+    test "X$_LT_AC_TAGVAR(hardcode_automatic, $1)" = "Xyes" ; then
+ 
+-  # We can hardcode non-existant directories.
++  # We can hardcode non-existent directories.
+   if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
+      # If the only mechanism to avoid hardcoding is shlibpath_var, we
+      # have to relink, otherwise we might link with an installed library
+Index: libffi/configure.ac
+===================================================================
+--- libffi/configure.ac	(working copy)
++++ libffi/configure.ac	(revision 72475)
+@@ -1,4 +1,7 @@
+ dnl Process this with autoconf to create configure
++#
++# file from libffi - slightly patched for ctypes
++#
+ 
+ AC_PREREQ(2.59)
+ 
+@@ -83,6 +86,9 @@
+   i?86-*-solaris2.1[[0-9]]*)
+ 	TARGET=X86_64; TARGETDIR=x86
+ 	;;
++  i*86-*-nto-qnx*) 
++        TARGET=X86; TARGETDIR=x86
++        ;;
+   i?86-*-*)
+ 	TARGET=X86; TARGETDIR=x86
+ 	;;
+@@ -100,10 +106,10 @@
+ 	;;
+ 
+   mips-sgi-irix5.* | mips-sgi-irix6.*)
+-	TARGET=MIPS; TARGETDIR=mips
++	TARGET=MIPS_IRIX; TARGETDIR=mips
+ 	;;
+   mips*-*-linux*)
+-	TARGET=MIPS; TARGETDIR=mips
++	TARGET=MIPS_LINUX; TARGETDIR=mips
+ 	;;
+ 
+   powerpc*-*-linux* | powerpc-*-sysv*)
+@@ -156,7 +162,7 @@
+   AC_MSG_ERROR(["libffi has not been ported to $host."])
+ fi
+ 
+-AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
++AM_CONDITIONAL(MIPS,[expr x$TARGET : 'xMIPS' > /dev/null])
+ AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
+ AM_CONDITIONAL(X86, test x$TARGET = xX86)
+ AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD)
+@@ -360,6 +366,10 @@
+ 
+ AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
+ 
+-AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc)
++AC_CONFIG_FILES(include/ffi.h)
+ 
++AC_CONFIG_LINKS(include/ffi_common.h:include/ffi_common.h)
++
++AC_CONFIG_FILES(fficonfig.py)
++
+ AC_OUTPUT
+Index: libffi/configure
+===================================================================
+--- libffi/configure	(working copy)
++++ libffi/configure	(revision 72475)
+@@ -9546,7 +9546,7 @@
+    test -n "$runpath_var" || \
+    test "X$hardcode_automatic" = "Xyes" ; then
+ 
+-  # We can hardcode non-existant directories.
++  # We can hardcode non-existent directories.
+   if test "$hardcode_direct" != no &&
+      # If the only mechanism to avoid hardcoding is shlibpath_var, we
+      # have to relink, otherwise we might link with an installed library
+@@ -13514,7 +13514,7 @@
+    test -n "$runpath_var_CXX" || \
+    test "X$hardcode_automatic_CXX" = "Xyes" ; then
+ 
+-  # We can hardcode non-existant directories.
++  # We can hardcode non-existent directories.
+   if test "$hardcode_direct_CXX" != no &&
+      # If the only mechanism to avoid hardcoding is shlibpath_var, we
+      # have to relink, otherwise we might link with an installed library
+@@ -16117,7 +16117,7 @@
+    test -n "$runpath_var_F77" || \
+    test "X$hardcode_automatic_F77" = "Xyes" ; then
+ 
+-  # We can hardcode non-existant directories.
++  # We can hardcode non-existent directories.
+   if test "$hardcode_direct_F77" != no &&
+      # If the only mechanism to avoid hardcoding is shlibpath_var, we
+      # have to relink, otherwise we might link with an installed library
+@@ -18720,7 +18720,7 @@
+    test -n "$runpath_var_GCJ" || \
+    test "X$hardcode_automatic_GCJ" = "Xyes" ; then
+ 
+-  # We can hardcode non-existant directories.
++  # We can hardcode non-existent directories.
+   if test "$hardcode_direct_GCJ" != no &&
+      # If the only mechanism to avoid hardcoding is shlibpath_var, we
+      # have to relink, otherwise we might link with an installed library
+@@ -20406,6 +20406,9 @@
+   i?86-*-solaris2.1[0-9]*)
+ 	TARGET=X86_64; TARGETDIR=x86
+ 	;;
++  i*86-*-nto-qnx*)
++        TARGET=X86; TARGETDIR=x86
++        ;;
+   i?86-*-*)
+ 	TARGET=X86; TARGETDIR=x86
+ 	;;
+@@ -20423,10 +20426,10 @@
+ 	;;
+ 
+   mips-sgi-irix5.* | mips-sgi-irix6.*)
+-	TARGET=MIPS; TARGETDIR=mips
++	TARGET=MIPS_IRIX; TARGETDIR=mips
+ 	;;
+   mips*-*-linux*)
+-	TARGET=MIPS; TARGETDIR=mips
++	TARGET=MIPS_LINUX; TARGETDIR=mips
+ 	;;
+ 
+   powerpc*-*-linux* | powerpc-*-sysv*)
+@@ -20481,7 +20484,7 @@
+    { (exit 1); exit 1; }; }
+ fi
+ 
+- if test x$TARGET = xMIPS; then
++ if expr x$TARGET : 'xMIPS' > /dev/null; then
+   MIPS_TRUE=
+   MIPS_FALSE='#'
+ else
+@@ -22712,9 +22715,15 @@
+ ac_config_links="$ac_config_links include/ffitarget.h:src/$TARGETDIR/ffitarget.h"
+ 
+ 
+-ac_config_files="$ac_config_files include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile libffi.pc"
++ac_config_files="$ac_config_files include/ffi.h"
+ 
+ 
++ac_config_links="$ac_config_links include/ffi_common.h:include/ffi_common.h"
++
++
++ac_config_files="$ac_config_files fficonfig.py"
++
++
+ cat >confcache <<\_ACEOF
+ # This file is a shell script that caches the results of configure
+ # tests run on this system so they can be shared between configure
+@@ -23498,12 +23507,9 @@
+     "include") CONFIG_COMMANDS="$CONFIG_COMMANDS include" ;;
+     "src") CONFIG_COMMANDS="$CONFIG_COMMANDS src" ;;
+     "include/ffitarget.h") CONFIG_LINKS="$CONFIG_LINKS include/ffitarget.h:src/$TARGETDIR/ffitarget.h" ;;
+-    "include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
+     "include/ffi.h") CONFIG_FILES="$CONFIG_FILES include/ffi.h" ;;
+-    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+-    "testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
+-    "man/Makefile") CONFIG_FILES="$CONFIG_FILES man/Makefile" ;;
+-    "libffi.pc") CONFIG_FILES="$CONFIG_FILES libffi.pc" ;;
++    "include/ffi_common.h") CONFIG_LINKS="$CONFIG_LINKS include/ffi_common.h:include/ffi_common.h" ;;
++    "fficonfig.py") CONFIG_FILES="$CONFIG_FILES fficonfig.py" ;;
+ 
+   *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+ echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+Index: libffi/src/x86/ffi.c
+===================================================================
+--- libffi/src/x86/ffi.c	(working copy)
++++ libffi/src/x86/ffi.c	(revision 72475)
+@@ -388,10 +388,10 @@
+     return FFI_BAD_ABI;
+   }
+ 
+-  // we currently don't support certain kinds of arguments for raw
++  /* we currently don't support certain kinds of arguments for raw
+   // closures.  This should be implemented by a separate assembly language
+   // routine, since it would require argument processing, something we
+-  // don't do now for performance.
++  // don't do now for performance. */
+ 
+   for (i = cif->nargs-1; i >= 0; i--)
+     {
+Index: libffi/src/x86/ffi64.c
+===================================================================
+--- libffi/src/x86/ffi64.c	(working copy)
++++ libffi/src/x86/ffi64.c	(revision 72475)
+@@ -52,7 +52,7 @@
+ /* Register class used for passing given 64bit part of the argument.
+    These represent classes as documented by the PS ABI, with the exception
+    of SSESF, SSEDF classes, that are basically SSE class, just gcc will
+-   use SF or DFmode move instead of DImode to avoid reformating penalties.
++   use SF or DFmode move instead of DImode to avoid reformatting penalties.
+ 
+    Similary we play games with INTEGERSI_CLASS to use cheaper SImode moves
+    whenever possible (upper half does contain padding).  */