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authorVictor Stinner <vstinner@python.org>2020-02-06 22:03:01 (GMT)
committerGitHub <noreply@github.com>2020-02-06 22:03:01 (GMT)
commit227af8e21725958ad7d92a7910e70d678bb8a0a6 (patch)
treef5c2615d1a8a4281dc56009165cc076a46233a6b
parent2844336e6bb0dc932d710be5f4d8c126d0768d03 (diff)
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What's New in Python 3.9: sort improved modules (GH-18383)
-rw-r--r--Doc/whatsnew/3.9.rst72
1 files changed, 36 insertions, 36 deletions
diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index d127e0a..4991e56 100644
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -205,6 +205,14 @@ with this change. The overridden methods of :class:`~imaplib.IMAP4_SSL` and
:class:`~imaplib.IMAP4_stream` were applied to this change.
(Contributed by Dong-hee Na in :issue:`38615`.)
+importlib
+---------
+
+To improve consistency with import statements, :func:`importlib.util.resolve_name`
+now raises :exc:`ImportError` instead of :exc:`ValueError` for invalid relative
+import attempts.
+(Contributed by Ngalim Siregar in :issue:`37444`.)
+
math
----
@@ -240,32 +248,6 @@ The :func:`os.putenv` and :func:`os.unsetenv` functions are now always
available.
(Contributed by Victor Stinner in :issue:`39395`.)
-poplib
-------
-
-:class:`~poplib.POP3` and :class:`~poplib.POP3_SSL` now raise a :class:`ValueError`
-if the given timeout for their constructor is zero to prevent the creation of
-a non-blocking socket. (Contributed by Dong-hee Na in :issue:`39259`.)
-
-threading
----------
-
-In a subinterpreter, spawning a daemon thread now raises a :exc:`RuntimeError`. Daemon
-threads were never supported in subinterpreters. Previously, the subinterpreter
-finalization crashed with a Python fatal error if a daemon thread was still
-running.
-(Contributed by Victor Stinner in :issue:`37266`.)
-
-venv
-----
-
-The activation scripts provided by :mod:`venv` now all specify their prompt
-customization consistently by always using the value specified by
-``__VENV_PROMPT__``. Previously some scripts unconditionally used
-``__VENV_PROMPT__``, others only if it happened to be set (which was the default
-case), and one used ``__VENV_NAME__`` instead.
-(Contributed by Brett Cannon in :issue:`37663`.)
-
pathlib
-------
@@ -273,19 +255,24 @@ Added :meth:`pathlib.Path.readlink()` which acts similarly to
:func:`os.readlink`.
(Contributed by Girts Folkmanis in :issue:`30618`)
+poplib
+------
+
+:class:`~poplib.POP3` and :class:`~poplib.POP3_SSL` now raise a :class:`ValueError`
+if the given timeout for their constructor is zero to prevent the creation of
+a non-blocking socket. (Contributed by Dong-hee Na in :issue:`39259`.)
+
pprint
------
:mod:`pprint` can now pretty-print :class:`types.SimpleNamespace`.
(Contributed by Carl Bordum Hansen in :issue:`37376`.)
-importlib
----------
+signal
+------
-To improve consistency with import statements, :func:`importlib.util.resolve_name`
-now raises :exc:`ImportError` instead of :exc:`ValueError` for invalid relative
-import attempts.
-(Contributed by Ngalim Siregar in :issue:`37444`.)
+Exposed the Linux-specific :func:`signal.pidfd_send_signal` for sending to
+signals to a process using a file descriptor instead of a pid. (:issue:`38712`)
smtplib
-------
@@ -297,11 +284,14 @@ a non-blocking socket. (Contributed by Dong-hee Na in :issue:`39259`.)
:class:`~smtplib.LMTP` constructor now has an optional *timeout* parameter.
(Contributed by Dong-hee Na in :issue:`39329`.)
-signal
-------
+threading
+---------
-Exposed the Linux-specific :func:`signal.pidfd_send_signal` for sending to
-signals to a process using a file descriptor instead of a pid. (:issue:`38712`)
+In a subinterpreter, spawning a daemon thread now raises a :exc:`RuntimeError`. Daemon
+threads were never supported in subinterpreters. Previously, the subinterpreter
+finalization crashed with a Python fatal error if a daemon thread was still
+running.
+(Contributed by Victor Stinner in :issue:`37266`.)
typing
------
@@ -311,6 +301,16 @@ types with context-specific metadata and new ``include_extras`` parameter to
:func:`typing.get_type_hints` to access the metadata at runtime. (Contributed
by Till Varoquaux and Konstantin Kashin.)
+venv
+----
+
+The activation scripts provided by :mod:`venv` now all specify their prompt
+customization consistently by always using the value specified by
+``__VENV_PROMPT__``. Previously some scripts unconditionally used
+``__VENV_PROMPT__``, others only if it happened to be set (which was the default
+case), and one used ``__VENV_NAME__`` instead.
+(Contributed by Brett Cannon in :issue:`37663`.)
+
Optimizations
=============