Merge 3.5

Doc/whatsnew/3.5.rst

@@ -4,7 +4,7 @@
 
 :Release: |release|
 :Date: |today|
-:Editor: Elvis Pranskevichus <elprans@gmail.com>
+:Editors: Elvis Pranskevichus <elprans@gmail.com>, Yury Selivanov <yselivanov@gmail.com>
 
 .. Rules for maintenance:
 
@@ -671,11 +671,18 @@ collections
 The :class:`~collections.OrderedDict` class is now implemented in C, which
 makes it 4 to 100 times faster.  (Contributed by Eric Snow in :issue:`16991`.)
 
+:meth:`OrderedDict.items <collections.OrderedDict.items>`,
+:meth:`OrderedDict.items <collections.OrderedDict.keys>`,
+:meth:`OrderedDict.items <collections.OrderedDict.values>` views now support
+:func:`reversed` iteration.
+(Contributed by Serhiy Storchaka in :issue:`19505`.)
+
 The :class:`~collections.deque` class now defines
 :meth:`~collections.deque.index`, :meth:`~collections.deque.insert`, and
-:meth:`~collections.deque.copy`.  This allows deques to be recognized as a
+:meth:`~collections.deque.copy`, as well as supports ``+`` and ``*`` operators.
-:class:`~collections.abc.MutableSequence` and improves their substitutability
+This allows deques to be recognized as a :class:`~collections.abc.MutableSequence`
-for lists. (Contributed by Raymond Hettinger :issue:`23704`.)
+and improves their substitutability for lists.
+(Contributed by Raymond Hettinger :issue:`23704`.)
 
 Docstrings produced by :func:`~collections.namedtuple` can now be updated::
 
@@ -945,6 +952,11 @@ now accept an ``(address, netmask)`` tuple argument, so as to easily construct
 network objects from existing addresses.  (Contributed by Peter Moody
 and Antoine Pitrou in :issue:`16531`.)
 
+New :attr:`~ipaddress.IPv4Network.reverse_pointer>` attribute for
+:class:`~ipaddress.IPv4Network` and :class:`~ipaddress.IPv6Network` classes
+returns the name of the reverse DNS PTR record.
+(Contributed by Leon Weber in :issue:`20480`.)
+
 
 json
 ----
@@ -1100,6 +1112,13 @@ The :func:`~re.sub` and :func:`~re.subn` functions now replace unmatched
 groups with empty strings instead of raising an exception.
 (Contributed by Serhiy Storchaka in :issue:`1519638`.)
 
+The :class:`re.error` exceptions have new attributes:
+:attr:`~re.error.msg`, :attr:`~re.error.pattern`,
+:attr:`~re.error.pos`, :attr:`~re.error.lineno`,
+and :attr:`~re.error.colno` that provide better context
+information about the error.
+(Contributed by Serhiy Storchaka in :issue:`22578`.)
+
 
 readline
 --------
@@ -1109,6 +1128,13 @@ the specified number of trailing elements in history to the given file.
 (Contributed by Bruno Cauet in :issue:`22940`.)
 
 
+selectors
+---------
+
+The module now supports efficient ``/dev/poll`` on Solaris.
+(Contributed by Giampaolo Rodola' in :issue:`18931`.)
+
+
 shutil
 ------
 
@@ -1244,7 +1270,7 @@ the actual protocol version in use.
 
 The :class:`~ssl.SSLSocket` class now implements
 a :meth:`SSLSocket.sendfile <ssl.SSLSocket.sendfile>` method.
-(Contributed by Giampaolo Rodola in :issue:`17552`.)
+(Contributed by Giampaolo Rodola' in :issue:`17552`.)
 
 The :meth:`SSLSocket.send <ssl.SSLSocket.send>` method now raises either
 :exc:`ssl.SSLWantReadError` or :exc:`ssl.SSLWantWriteError` exception on a
@@ -1289,6 +1315,20 @@ socket timeout every time bytes are received or sent.  The socket timeout is
 now the maximum total duration to send all data.
 (Contributed by Victor Stinner in :issue:`23853`.)
 
+The *backlog* argument of the :meth:`socket.listen <socket.socket.listen>`
+method is now optional.  By default it is set to
+:data:`SOMAXCONN <socket.SOMAXCONN>` or to ``128`` whichever is less.
+(Contributed by Charles-François Natali in :issue:`21455`.)
+
+
+sqlite3
+-------
+
+The :class:`~sqlite3.Row` class now fully supports sequence protocol,
+in particular :func:`reverse` and slice indexing.
+(Contributed by Claudiu Popa in :issue:`10203`; by Lucas Sinclair,
+Jessica McKellar, and  Serhiy Storchaka in :issue:`13583`.)
+
 
 subprocess
 ----------
@@ -1363,6 +1403,10 @@ New command line option ``-u`` or ``--unit=U`` can be used to specify the time
 unit for the timer output.  Supported options are ``usec``, ``msec``,
 or ``sec``.  (Contributed by Julian Gindi in :issue:`18983`.)
 
+The :func:`~timeit.timeit` function has a new *globals* parameter for
+specifying the namespace in which the code will be running.
+(Contributed by Ben Roberts in :issue:`2527`.)
+
 
 tkinter
 -------
@@ -1424,6 +1468,11 @@ The :func:`request.urlopen <urllib.request.urlopen>` function accepts an
 :class:`ssl.SSLContext` object as a *context* argument, which will be used for
 the HTTPS connection.  (Contributed by Alex Gaynor in :issue:`22366`.)
 
+The :func:`parse.urljoin <urllib.parse.urljoin>` was updated to use the
+:rfc:`3986` semantics for the resolution of relative URLs, rather than
+:rfc:`1808` and :rfc:`2396`.
+(Contributed by Demian Brecht and Senthil Kumaran in :issue:`22118`.)
+
 
 unicodedata
 -----------
@@ -1439,6 +1488,26 @@ New command line option ``--locals`` to show local variables in
 tracebacks.  (Contributed by Robert Collins in :issue:`22936`.)
 
 
+unittest.mock
+-------------
+
+The :class:`~unittest.mock.Mock` has the following improvements:
+
+* Class constructor has a new *unsafe* parameter, which causes mock
+  objects to raise :exc:`AttributeError` on attribute names starting
+  with ``"assert"``.
+  (Contributed by Kushal Das in :issue:`21238`.)
+
+* A new :meth:`Mock.assert_not_called <unittest.mock.Mock.assert_not_called>`
+  method to check if the mock object was called.
+  (Contributed by Kushal Das in :issue:`21262`.)
+
+The :class:`~unittest.mock.MagicMock` class now supports :meth:`__truediv__`,
+:meth:`__divmod__` and :meth:`__matmul__` operators.
+(Contributed by Johannes Baiter in :issue:`20968`, and Håkan Lövdahl
+in :issue:`23581` and :issue:`23568`.)
+
+
 wsgiref
 -------
 
@@ -1548,16 +1617,32 @@ The :func:`property` getter calls are up to 25% faster.
 Instantiation of :class:`fractions.Fraction` is now up to 30% faster.
 (Contributed by Stefan Behnel in :issue:`22464`.)
 
+String methods :meth:`~str.find`, :meth:`~str.rfind`, :meth:`~str.split`,
+:meth:`~str.partition` and :keyword:`in` string operator are now significantly
+faster for searching 1-character substrings.
+(Contributed by Serhiy Storchaka in :issue:`23573`.)
+
 
 Build and C API Changes
 =======================
 
 New ``calloc`` functions were added:
 
-  * :c:func:`PyMem_RawCalloc`
+  * :c:func:`PyMem_RawCalloc`,
-  * :c:func:`PyMem_Calloc`
+  * :c:func:`PyMem_Calloc`,
-  * :c:func:`PyObject_Calloc`
+  * :c:func:`PyObject_Calloc`,
-  * :c:func:`_PyObject_GC_Calloc`
+  * :c:func:`_PyObject_GC_Calloc`.
+
+(Contributed by Victor Stinner in :issue:`21233`.)
+
+New encoding/decoding helper functions:
+
+  * :c:func:`Py_DecodeLocale` (replaced ``_Py_char2wchar()``),
+  * :c:func:`Py_EncodeLocale` (replaced ``_Py_wchar2char()``).
+
+(Contributed by Victor Stinner in :issue:`18395`.)
+
+The :c:member:`PyTypeObject.tp_finalize` slot is now part of stable ABI.
 
 Windows builds now require Microsoft Visual C++ 14.0, which
 is available as part of `Visual Studio 2015 <http://www.visualstudio.com>`_.
@@ -1833,6 +1918,7 @@ Changes in the C API
 * Removed non-documented macro :c:macro:`PyObject_REPR` which leaked references.
   Use format character ``%R`` in :c:func:`PyUnicode_FromFormat`-like functions
   to format the :func:`repr` of the object.
+  (Contributed by Serhiy Storchaka in :issue:`22453`.)
 
 * Because the lack of the :attr:`__module__` attribute breaks pickling and
   introspection, a deprecation warning now is raised for builtin type without
@@ -1844,4 +1930,3 @@ Changes in the C API
   :c:member:`tp_as_async` slot.  Refer to :ref:`coro-objects` for
   new types, structures and functions.
 
-* :c:member:`PyTypeObject.tp_finalize` is now part of stable ABI.