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whatsnew: linkify some pip things, and explain why non-inheriting is good.

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R David Murray 2014-03-13 19:53:38 -04:00
parent f446d7a70b
commit bcf7012d19
3 changed files with 20 additions and 9 deletions
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2
Doc/library/venv.rst
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@ -76,6 +76,8 @@ Creating virtual environments
without there needing to be any reference to its venv in ``PATH``. without there needing to be any reference to its venv in ``PATH``.
.. _venv-api:
API API
--- ---

2
Doc/using/unix.rst
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@ -60,6 +60,8 @@ To install the newest Python versions on OpenSolaris, install `blastwave
prompt. prompt.
.. _building-python-on-unix:
Building Python Building Python
=============== ===============

25
Doc/whatsnew/3.4.rst
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@ -193,15 +193,16 @@ By default, the scripts ``pipX`` and ``pipX.Y`` will be installed (where
X.Y stands for the version of the Python installation), along with the X.Y stands for the version of the Python installation), along with the
``pip`` Python package and its dependencies. ``pip`` Python package and its dependencies.
The :mod:`venv` module and the :command:`pyvenv` utility make use of this The :ref:`pyvenv <scripts-pyvenv>` command line utility and the :mod:`venv`
module to make ``pip`` readily available in virtual environments. When module make use of the :mod:`ensurepip` module to make ``pip`` readily
using the command line interface, ``pip`` is installed by default, while available in virtual environments. When using the command line utility, ``pip``
for the module API installation of ``pip`` must be requested explicitly. is installed by default, while when using the :mod:`venv` module
:ref:`venv-api` installation of ``pip`` must be requested explicitly.
For CPython source builds on POSIX systems, the ``make install`` and For CPython :ref:`source builds on POSIX systems <building-python-on-unix>`,
``make altinstall`` commands bootstrap ``pip`` by default. This behaviour the ``make install`` and ``make altinstall`` commands bootstrap ``pip`` by
can be controlled through configure options, and overridden through default. This behaviour can be controlled through configure options, and
Makefile options. overridden through Makefile options.
On Windows and Mac OS X, the CPython installers now offer the option to On Windows and Mac OS X, the CPython installers now offer the option to
install ``pip`` along with CPython itself. install ``pip`` along with CPython itself.
@ -251,7 +252,13 @@ PEP 446: Newly Created File Descriptors Are Non-Inheritable
----------------------------------------------------------- -----------------------------------------------------------
:pep:`446` makes newly created file descriptors :ref:`non-inheritable :pep:`446` makes newly created file descriptors :ref:`non-inheritable
<fd_inheritance>`. New functions and methods: <fd_inheritance>`. In general, this is the behavior an application will
want: when launching a new process, having currently open files also
open in the new process can lead to all sorts of hard to find bugs,
and potentially to security issues.
However, there are occasions when inheritance is desired. To support
these cases, the following new functions and methods are available:
* :func:`os.get_inheritable`, :func:`os.set_inheritable` * :func:`os.get_inheritable`, :func:`os.set_inheritable`
* :func:`os.get_handle_inheritable`, :func:`os.set_handle_inheritable` * :func:`os.get_handle_inheritable`, :func:`os.set_handle_inheritable`