diff options
Diffstat (limited to 'Doc/whatsnew/3.1.rst')
| -rw-r--r-- | Doc/whatsnew/3.1.rst | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/Doc/whatsnew/3.1.rst b/Doc/whatsnew/3.1.rst index 7ada5dd..56169a2 100644 --- a/Doc/whatsnew/3.1.rst +++ b/Doc/whatsnew/3.1.rst @@ -233,6 +233,16 @@ New, Improved, and Deprecated Modules (Contributed by Gregory Smith.) +* The :mod:`logging` module now implements a simple :class:`NullHandler` + class for applications that are not using logging but are calling + library code that does. Setting-up a null handler will suppress + spurious warnings like "No handlers could be found for logger X.Y.Z":: + + >>> h = logging.NullHandler() + >>> logging.getLogger("foo").addHandler(h) + + (Contributed by Vinay Sajip; issue:`4384`). + * The :mod:`runpy` module which supports the ``-m`` command line switch now supports the execution of packages by looking for and executing a ``__main__`` submodule when a package name is supplied. @@ -269,7 +279,30 @@ New, Improved, and Deprecated Modules def test_gimzo_without_required_library(self): ... - (Contributed by Benjamin Peterson.) + Also, tests for exceptions have been builtout to work with context managers:: + + def test_division_by_zero(self): + with self.assertRaises(ZeroDivisionError): + x / 0 + + In addition, several new assertion methods were added including + :func:`assertSetEqual`, :func:`assertDictEqual`, + :func:`assertDictContainsSubset`, :func:`assertListEqual`, + :func:`assertTupleEqual`, :func:`assertSequenceEqual`, + :func:`assertRaisesRegexp`, :func:`assertIsNone`, + and :func:`assertIsNotNot`. + + (Contributed by Benjamin Peterson and Antoine Pitrou.) + +* The :mod:`io` module has three new constants for :meth:`seek`: + method :data:`SEEK_SET`, :data:`SEEK_CUR`, and :data:`SEEK_END`. + +* The :attr:`sys.version_info` tuple is now a named tuple:: + + >>> sys.version_info + sys.version_info(major=3, minor=1, micro=0, releaselevel='alpha', serial=2) + + (Contributed by Ross Light; :issue:`4285`.) * A new module, :mod:`importlib` was added. It provides a complete, portable, pure Python reference implementation of the *import* statement and its @@ -319,7 +352,13 @@ Major performance enhancements have been added: its performance. The code is expected to be added in-time for the beta release. - (Contributed by Bob Ippolito.) + (Contributed by Bob Ippolito and converted to Py3.1 by Antoine Pitrou; + :issue:`4136`.) + +Build and C API Changes +======================= + +Changes to Python's build process and to the C API include: * Integers are now stored internally either in base 2**15 or in base 2**30, the base being determined at build time. Previously, they @@ -342,3 +381,11 @@ Major performance enhancements have been added: (Contributed by Mark Dickinson; :issue:`4258`.) +* The :cfunc:`PyLong_AsUnsignedLongLong()` function now handles a negative + *pylong* by raising :exc:`OverflowError` instead of :exc:`TypeError`. + + (Contributed by Mark Dickinson and Lisandro Dalcrin; :issue:`5175`.) + +* Deprecated :cfunc:`PyNumber_Int`. Use :cfunc:`PyNumber_Long` instead. + + (Contributed by Mark Dickinson; :issue;`4910`.) |