forked from AFPy/python-docs-fr
3307 lines
126 KiB
Plaintext
3307 lines
126 KiB
Plaintext
# Copyright (C) 2001-2018, Python Software Foundation
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# For licence information, see README file.
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: Python 3.6\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2018-06-17 10:39+0200\n"
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"PO-Revision-Date: 2017-08-10 00:52+0200\n"
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"Last-Translator: Julien Palard <julien@palard.fr>\n"
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"Language-Team: FRENCH <traductions@lists.afpy.org>\n"
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"Language: fr\n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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"X-Generator: Poedit 1.8.11\n"
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#: ../Doc/whatsnew/2.7.rst:3
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msgid "What's New in Python 2.7"
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msgstr "Nouveautés de Python 2.7"
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#: ../Doc/whatsnew/2.7.rst:0
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msgid "Author"
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msgstr "Auteur"
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#: ../Doc/whatsnew/2.7.rst:5
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msgid "A.M. Kuchling (amk at amk.ca)"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:52
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msgid ""
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"This article explains the new features in Python 2.7. Python 2.7 was "
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"released on July 3, 2010."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:55
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msgid ""
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"Numeric handling has been improved in many ways, for both floating-point "
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"numbers and for the :class:`~decimal.Decimal` class. There are some useful "
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"additions to the standard library, such as a greatly enhanced :mod:"
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"`unittest` module, the :mod:`argparse` module for parsing command-line "
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"options, convenient :class:`~collections.OrderedDict` and :class:"
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"`~collections.Counter` classes in the :mod:`collections` module, and many "
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"other improvements."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:63
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msgid ""
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"Python 2.7 is planned to be the last of the 2.x releases, so we worked on "
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"making it a good release for the long term. To help with porting to Python "
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"3, several new features from the Python 3.x series have been included in 2.7."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:68
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msgid ""
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"This article doesn't attempt to provide a complete specification of the new "
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"features, but instead provides a convenient overview. For full details, you "
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"should refer to the documentation for Python 2.7 at https://docs.python.org. "
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"If you want to understand the rationale for the design and implementation, "
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"refer to the PEP for a particular new feature or the issue on https://bugs."
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"python.org in which a change was discussed. Whenever possible, \"What's New "
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"in Python\" links to the bug/patch item for each change."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:80
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msgid "The Future for Python 2.x"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:82
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msgid ""
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"Python 2.7 is the last major release in the 2.x series, as the Python "
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"maintainers have shifted the focus of their new feature development efforts "
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"to the Python 3.x series. This means that while Python 2 continues to "
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"receive bug fixes, and to be updated to build correctly on new hardware and "
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"versions of supported operated systems, there will be no new full feature "
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"releases for the language or standard library."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:89
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msgid ""
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"However, while there is a large common subset between Python 2.7 and Python "
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"3, and many of the changes involved in migrating to that common subset, or "
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"directly to Python 3, can be safely automated, some other changes (notably "
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"those associated with Unicode handling) may require careful consideration, "
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"and preferably robust automated regression test suites, to migrate "
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"effectively."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:96
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msgid ""
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"This means that Python 2.7 will remain in place for a long time, providing a "
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"stable and supported base platform for production systems that have not yet "
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"been ported to Python 3. The full expected lifecycle of the Python 2.7 "
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"series is detailed in :pep:`373`."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:101
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msgid "Some key consequences of the long-term significance of 2.7 are:"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:103
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msgid ""
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"As noted above, the 2.7 release has a much longer period of maintenance when "
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"compared to earlier 2.x versions. Python 2.7 is currently expected to remain "
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"supported by the core development team (receiving security updates and other "
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"bug fixes) until at least 2020 (10 years after its initial release, compared "
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"to the more typical support period of 18--24 months)."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:109
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msgid ""
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"As the Python 2.7 standard library ages, making effective use of the Python "
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"Package Index (either directly or via a redistributor) becomes more "
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"important for Python 2 users. In addition to a wide variety of third party "
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"packages for various tasks, the available packages include backports of new "
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"modules and features from the Python 3 standard library that are compatible "
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"with Python 2, as well as various tools and libraries that can make it "
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"easier to migrate to Python 3. The `Python Packaging User Guide <https://"
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"packaging.python.org>`__ provides guidance on downloading and installing "
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"software from the Python Package Index."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:119
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msgid ""
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"While the preferred approach to enhancing Python 2 is now the publication of "
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"new packages on the Python Package Index, this approach doesn't necessarily "
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"work in all cases, especially those related to network security. In "
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"exceptional cases that cannot be handled adequately by publishing new or "
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"updated packages on PyPI, the Python Enhancement Proposal process may be "
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"used to make the case for adding new features directly to the Python 2 "
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"standard library. Any such additions, and the maintenance releases where "
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"they were added, will be noted in the :ref:`py27-maintenance-enhancements` "
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"section below."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:129
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msgid ""
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"For projects wishing to migrate from Python 2 to Python 3, or for library "
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"and framework developers wishing to support users on both Python 2 and "
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"Python 3, there are a variety of tools and guides available to help decide "
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"on a suitable approach and manage some of the technical details involved. "
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"The recommended starting point is the :ref:`pyporting-howto` HOWTO guide."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:137
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msgid "Changes to the Handling of Deprecation Warnings"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:139
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msgid ""
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"For Python 2.7, a policy decision was made to silence warnings only of "
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"interest to developers by default. :exc:`DeprecationWarning` and its "
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"descendants are now ignored unless otherwise requested, preventing users "
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"from seeing warnings triggered by an application. This change was also made "
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"in the branch that became Python 3.2. (Discussed on stdlib-sig and carried "
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"out in :issue:`7319`.)"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:146
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msgid ""
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"In previous releases, :exc:`DeprecationWarning` messages were enabled by "
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"default, providing Python developers with a clear indication of where their "
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"code may break in a future major version of Python."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:151
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msgid ""
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"However, there are increasingly many users of Python-based applications who "
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"are not directly involved in the development of those applications. :exc:"
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"`DeprecationWarning` messages are irrelevant to such users, making them "
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"worry about an application that's actually working correctly and burdening "
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"application developers with responding to these concerns."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:158
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msgid ""
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"You can re-enable display of :exc:`DeprecationWarning` messages by running "
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"Python with the :option:`-Wdefault <-W>` (short form: :option:`-Wd <-W>`) "
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"switch, or by setting the :envvar:`PYTHONWARNINGS` environment variable to ``"
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"\"default\"`` (or ``\"d\"``) before running Python. Python code can also re-"
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"enable them by calling ``warnings.simplefilter('default')``."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:165
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msgid ""
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"The ``unittest`` module also automatically reenables deprecation warnings "
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"when running tests."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:170
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msgid "Python 3.1 Features"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:172
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msgid ""
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"Much as Python 2.6 incorporated features from Python 3.0, version 2.7 "
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"incorporates some of the new features in Python 3.1. The 2.x series "
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"continues to provide tools for migrating to the 3.x series."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:177
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msgid "A partial list of 3.1 features that were backported to 2.7:"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:179
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msgid "The syntax for set literals (``{1,2,3}`` is a mutable set)."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:180
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msgid "Dictionary and set comprehensions (``{i: i*2 for i in range(3)}``)."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:181
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msgid "Multiple context managers in a single :keyword:`with` statement."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:182
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msgid "A new version of the :mod:`io` library, rewritten in C for performance."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:183
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msgid "The ordered-dictionary type described in :ref:`pep-0372`."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:184
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msgid "The new ``\",\"`` format specifier described in :ref:`pep-0378`."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:185
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msgid "The :class:`memoryview` object."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:186
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msgid ""
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"A small subset of the :mod:`importlib` module, `described below <#importlib-"
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"section>`__."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:188
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msgid ""
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"The :func:`repr` of a float ``x`` is shorter in many cases: it's now based "
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"on the shortest decimal string that's guaranteed to round back to ``x``. As "
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"in previous versions of Python, it's guaranteed that ``float(repr(x))`` "
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"recovers ``x``."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:192
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msgid ""
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"Float-to-string and string-to-float conversions are correctly rounded. The :"
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"func:`round` function is also now correctly rounded."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:194
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msgid ""
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"The :c:type:`PyCapsule` type, used to provide a C API for extension modules."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:195
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msgid "The :c:func:`PyLong_AsLongAndOverflow` C API function."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:197
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msgid "Other new Python3-mode warnings include:"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:199
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msgid ""
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":func:`operator.isCallable` and :func:`operator.sequenceIncludes`, which are "
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"not supported in 3.x, now trigger warnings."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:201
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msgid ""
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"The :option:`!-3` switch now automatically enables the :option:`!-Qwarn` "
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"switch that causes warnings about using classic division with integers and "
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"long integers."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:214
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msgid "PEP 372: Adding an Ordered Dictionary to collections"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:216
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msgid ""
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"Regular Python dictionaries iterate over key/value pairs in arbitrary order. "
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"Over the years, a number of authors have written alternative implementations "
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"that remember the order that the keys were originally inserted. Based on "
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"the experiences from those implementations, 2.7 introduces a new :class:"
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"`~collections.OrderedDict` class in the :mod:`collections` module."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:222
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msgid ""
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"The :class:`~collections.OrderedDict` API provides the same interface as "
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"regular dictionaries but iterates over keys and values in a guaranteed order "
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"depending on when a key was first inserted::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:233
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msgid ""
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"If a new entry overwrites an existing entry, the original insertion position "
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"is left unchanged::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:240
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msgid "Deleting an entry and reinserting it will move it to the end::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:247
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msgid ""
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"The :meth:`~collections.OrderedDict.popitem` method has an optional *last* "
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"argument that defaults to ``True``. If *last* is true, the most recently "
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"added key is returned and removed; if it's false, the oldest key is "
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"selected::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:262
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msgid ""
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"Comparing two ordered dictionaries checks both the keys and values, and "
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"requires that the insertion order was the same::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:278
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msgid ""
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"Comparing an :class:`~collections.OrderedDict` with a regular dictionary "
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"ignores the insertion order and just compares the keys and values."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:281
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msgid ""
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"How does the :class:`~collections.OrderedDict` work? It maintains a doubly-"
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"linked list of keys, appending new keys to the list as they're inserted. A "
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"secondary dictionary maps keys to their corresponding list node, so deletion "
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"doesn't have to traverse the entire linked list and therefore remains O(1)."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:287
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msgid ""
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"The standard library now supports use of ordered dictionaries in several "
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"modules."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:290
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msgid ""
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"The :mod:`ConfigParser` module uses them by default, meaning that "
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"configuration files can now be read, modified, and then written back in "
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"their original order."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:294
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msgid ""
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"The :meth:`~collections.somenamedtuple._asdict()` method for :func:"
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"`collections.namedtuple` now returns an ordered dictionary with the values "
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"appearing in the same order as the underlying tuple indices."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:298
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msgid ""
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"The :mod:`json` module's :class:`~json.JSONDecoder` class constructor was "
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"extended with an *object_pairs_hook* parameter to allow :class:`OrderedDict` "
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"instances to be built by the decoder. Support was also added for third-party "
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"tools like `PyYAML <http://pyyaml.org/>`_."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:307
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msgid ":pep:`372` - Adding an ordered dictionary to collections"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:307
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msgid ""
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"PEP written by Armin Ronacher and Raymond Hettinger; implemented by Raymond "
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"Hettinger."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:313
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msgid "PEP 378: Format Specifier for Thousands Separator"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:315
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msgid ""
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"To make program output more readable, it can be useful to add separators to "
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"large numbers, rendering them as 18,446,744,073,709,551,616 instead of "
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"18446744073709551616."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:319
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msgid ""
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"The fully general solution for doing this is the :mod:`locale` module, which "
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"can use different separators (\",\" in North America, \".\" in Europe) and "
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"different grouping sizes, but :mod:`locale` is complicated to use and "
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"unsuitable for multi-threaded applications where different threads are "
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"producing output for different locales."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:325
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msgid ""
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"Therefore, a simple comma-grouping mechanism has been added to the mini-"
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"language used by the :meth:`str.format` method. When formatting a floating-"
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"point number, simply include a comma between the width and the precision::"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:333
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msgid "When formatting an integer, include the comma after the width:"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:338
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msgid ""
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||
"This mechanism is not adaptable at all; commas are always used as the "
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"separator and the grouping is always into three-digit groups. The comma-"
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"formatting mechanism isn't as general as the :mod:`locale` module, but it's "
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"easier to use."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:345
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msgid ":pep:`378` - Format Specifier for Thousands Separator"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:346
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msgid "PEP written by Raymond Hettinger; implemented by Eric Smith."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:349
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msgid "PEP 389: The argparse Module for Parsing Command Lines"
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msgstr ""
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||
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#: ../Doc/whatsnew/2.7.rst:351
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||
msgid ""
|
||
"The :mod:`argparse` module for parsing command-line arguments was added as a "
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"more powerful replacement for the :mod:`optparse` module."
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:355
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msgid ""
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||
"This means Python now supports three different modules for parsing command-"
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"line arguments: :mod:`getopt`, :mod:`optparse`, and :mod:`argparse`. The :"
|
||
"mod:`getopt` module closely resembles the C library's :c:func:`getopt` "
|
||
"function, so it remains useful if you're writing a Python prototype that "
|
||
"will eventually be rewritten in C. :mod:`optparse` becomes redundant, but "
|
||
"there are no plans to remove it because there are many scripts still using "
|
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"it, and there's no automated way to update these scripts. (Making the :mod:"
|
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"`argparse` API consistent with :mod:`optparse`'s interface was discussed but "
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"rejected as too messy and difficult.)"
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msgstr ""
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#: ../Doc/whatsnew/2.7.rst:366
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||
msgid ""
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||
"In short, if you're writing a new script and don't need to worry about "
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"compatibility with earlier versions of Python, use :mod:`argparse` instead "
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"of :mod:`optparse`."
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||
msgstr ""
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||
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#: ../Doc/whatsnew/2.7.rst:370
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msgid "Here's an example::"
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msgstr ""
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||
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#: ../Doc/whatsnew/2.7.rst:393
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msgid ""
|
||
"Unless you override it, :option:`!-h` and :option:`!--help` switches are "
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"automatically added, and produce neatly formatted output::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:410
|
||
msgid ""
|
||
"As with :mod:`optparse`, the command-line switches and arguments are "
|
||
"returned as an object with attributes named by the *dest* parameters::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:425
|
||
msgid ""
|
||
":mod:`argparse` has much fancier validation than :mod:`optparse`; you can "
|
||
"specify an exact number of arguments as an integer, 0 or more arguments by "
|
||
"passing ``'*'``, 1 or more by passing ``'+'``, or an optional argument with "
|
||
"``'?'``. A top-level parser can contain sub-parsers to define subcommands "
|
||
"that have different sets of switches, as in ``svn commit``, ``svn "
|
||
"checkout``, etc. You can specify an argument's type as :class:`~argparse."
|
||
"FileType`, which will automatically open files for you and understands that "
|
||
"``'-'`` means standard input or output."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:438
|
||
msgid ":mod:`argparse` documentation"
|
||
msgstr "Documentation du module :mod:`argparse`"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:438
|
||
msgid "The documentation page of the argparse module."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:442
|
||
msgid ":ref:`upgrading-optparse-code`"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:441
|
||
msgid ""
|
||
"Part of the Python documentation, describing how to convert code that uses :"
|
||
"mod:`optparse`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:444
|
||
msgid ":pep:`389` - argparse - New Command Line Parsing Module"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:445
|
||
msgid "PEP written and implemented by Steven Bethard."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:448
|
||
msgid "PEP 391: Dictionary-Based Configuration For Logging"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:450
|
||
msgid ""
|
||
"The :mod:`logging` module is very flexible; applications can define a tree "
|
||
"of logging subsystems, and each logger in this tree can filter out certain "
|
||
"messages, format them differently, and direct messages to a varying number "
|
||
"of handlers."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:455
|
||
msgid ""
|
||
"All this flexibility can require a lot of configuration. You can write "
|
||
"Python statements to create objects and set their properties, but a complex "
|
||
"set-up requires verbose but boring code. :mod:`logging` also supports a :"
|
||
"func:`~logging.fileConfig` function that parses a file, but the file format "
|
||
"doesn't support configuring filters, and it's messier to generate "
|
||
"programmatically."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:462
|
||
msgid ""
|
||
"Python 2.7 adds a :func:`~logging.dictConfig` function that uses a "
|
||
"dictionary to configure logging. There are many ways to produce a "
|
||
"dictionary from different sources: construct one with code; parse a file "
|
||
"containing JSON; or use a YAML parsing library if one is installed. For "
|
||
"more information see :ref:`logging-config-api`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:468
|
||
msgid ""
|
||
"The following example configures two loggers, the root logger and a logger "
|
||
"named \"network\". Messages sent to the root logger will be sent to the "
|
||
"system log using the syslog protocol, and messages to the \"network\" logger "
|
||
"will be written to a :file:`network.log` file that will be rotated once the "
|
||
"log reaches 1MB."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:518
|
||
msgid ""
|
||
"Three smaller enhancements to the :mod:`logging` module, all implemented by "
|
||
"Vinay Sajip, are:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:523
|
||
msgid ""
|
||
"The :class:`~logging.handlers.SysLogHandler` class now supports syslogging "
|
||
"over TCP. The constructor has a *socktype* parameter giving the type of "
|
||
"socket to use, either :const:`socket.SOCK_DGRAM` for UDP or :const:`socket."
|
||
"SOCK_STREAM` for TCP. The default protocol remains UDP."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:529
|
||
msgid ""
|
||
":class:`~logging.Logger` instances gained a :meth:`~logging.Logger.getChild` "
|
||
"method that retrieves a descendant logger using a relative path. For "
|
||
"example, once you retrieve a logger by doing ``log = getLogger('app')``, "
|
||
"calling ``log.getChild('network.listen')`` is equivalent to ``getLogger('app."
|
||
"network.listen')``."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:535
|
||
msgid ""
|
||
"The :class:`~logging.LoggerAdapter` class gained an :meth:`~logging."
|
||
"LoggerAdapter.isEnabledFor` method that takes a *level* and returns whether "
|
||
"the underlying logger would process a message of that level of importance."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:544
|
||
msgid ":pep:`391` - Dictionary-Based Configuration For Logging"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:545
|
||
msgid "PEP written and implemented by Vinay Sajip."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:548
|
||
msgid "PEP 3106: Dictionary Views"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:550
|
||
msgid ""
|
||
"The dictionary methods :meth:`~dict.keys`, :meth:`~dict.values`, and :meth:"
|
||
"`~dict.items` are different in Python 3.x. They return an object called a :"
|
||
"dfn:`view` instead of a fully materialized list."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:554
|
||
msgid ""
|
||
"It's not possible to change the return values of :meth:`~dict.keys`, :meth:"
|
||
"`~dict.values`, and :meth:`~dict.items` in Python 2.7 because too much code "
|
||
"would break. Instead the 3.x versions were added under the new names :meth:"
|
||
"`~dict.viewkeys`, :meth:`~dict.viewvalues`, and :meth:`~dict.viewitems`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:568
|
||
msgid ""
|
||
"Views can be iterated over, but the key and item views also behave like "
|
||
"sets. The ``&`` operator performs intersection, and ``|`` performs a union::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:579
|
||
msgid ""
|
||
"The view keeps track of the dictionary and its contents change as the "
|
||
"dictionary is modified::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:589
|
||
msgid ""
|
||
"However, note that you can't add or remove keys while you're iterating over "
|
||
"the view::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:599
|
||
msgid ""
|
||
"You can use the view methods in Python 2.x code, and the 2to3 converter will "
|
||
"change them to the standard :meth:`~dict.keys`, :meth:`~dict.values`, and :"
|
||
"meth:`~dict.items` methods."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:606
|
||
msgid ":pep:`3106` - Revamping dict.keys(), .values() and .items()"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:606
|
||
msgid ""
|
||
"PEP written by Guido van Rossum. Backported to 2.7 by Alexandre Vassalotti; :"
|
||
"issue:`1967`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:611
|
||
msgid "PEP 3137: The memoryview Object"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:613
|
||
msgid ""
|
||
"The :class:`memoryview` object provides a view of another object's memory "
|
||
"content that matches the :class:`bytes` type's interface."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:631
|
||
msgid ""
|
||
"The content of the view can be converted to a string of bytes or a list of "
|
||
"integers:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:643
|
||
msgid ""
|
||
":class:`memoryview` objects allow modifying the underlying object if it's a "
|
||
"mutable object."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:666
|
||
msgid ":pep:`3137` - Immutable Bytes and Mutable Buffer"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:665
|
||
msgid ""
|
||
"PEP written by Guido van Rossum. Implemented by Travis Oliphant, Antoine "
|
||
"Pitrou and others. Backported to 2.7 by Antoine Pitrou; :issue:`2396`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:672
|
||
msgid "Other Language Changes"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:674
|
||
msgid "Some smaller changes made to the core Python language are:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:676
|
||
msgid ""
|
||
"The syntax for set literals has been backported from Python 3.x. Curly "
|
||
"brackets are used to surround the contents of the resulting mutable set; set "
|
||
"literals are distinguished from dictionaries by not containing colons and "
|
||
"values. ``{}`` continues to represent an empty dictionary; use ``set()`` for "
|
||
"an empty set."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:693
|
||
msgid "Backported by Alexandre Vassalotti; :issue:`2335`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:695
|
||
msgid ""
|
||
"Dictionary and set comprehensions are another feature backported from 3.x, "
|
||
"generalizing list/generator comprehensions to use the literal syntax for "
|
||
"sets and dictionaries."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:707
|
||
msgid "Backported by Alexandre Vassalotti; :issue:`2333`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:709
|
||
msgid ""
|
||
"The :keyword:`with` statement can now use multiple context managers in one "
|
||
"statement. Context managers are processed from left to right and each one "
|
||
"is treated as beginning a new :keyword:`with` statement. This means that::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:717
|
||
msgid "is equivalent to::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:723
|
||
msgid ""
|
||
"The :func:`contextlib.nested` function provides a very similar function, so "
|
||
"it's no longer necessary and has been deprecated."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:726
|
||
msgid ""
|
||
"(Proposed in https://codereview.appspot.com/53094; implemented by Georg "
|
||
"Brandl.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:729
|
||
msgid ""
|
||
"Conversions between floating-point numbers and strings are now correctly "
|
||
"rounded on most platforms. These conversions occur in many different "
|
||
"places: :func:`str` on floats and complex numbers; the :class:`float` and :"
|
||
"class:`complex` constructors; numeric formatting; serializing and "
|
||
"deserializing floats and complex numbers using the :mod:`marshal`, :mod:"
|
||
"`pickle` and :mod:`json` modules; parsing of float and imaginary literals in "
|
||
"Python code; and :class:`~decimal.Decimal`-to-float conversion."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:741
|
||
msgid ""
|
||
"Related to this, the :func:`repr` of a floating-point number *x* now returns "
|
||
"a result based on the shortest decimal string that's guaranteed to round "
|
||
"back to *x* under correct rounding (with round-half-to-even rounding mode). "
|
||
"Previously it gave a string based on rounding x to 17 decimal digits."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:749
|
||
msgid ""
|
||
"The rounding library responsible for this improvement works on Windows and "
|
||
"on Unix platforms using the gcc, icc, or suncc compilers. There may be a "
|
||
"small number of platforms where correct operation of this code cannot be "
|
||
"guaranteed, so the code is not used on such systems. You can find out which "
|
||
"code is being used by checking :data:`sys.float_repr_style`, which will be "
|
||
"``short`` if the new code is in use and ``legacy`` if it isn't."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:757
|
||
msgid ""
|
||
"Implemented by Eric Smith and Mark Dickinson, using David Gay's :file:`dtoa."
|
||
"c` library; :issue:`7117`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:760
|
||
msgid ""
|
||
"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 now approximates more closely. For example, Python 2.6 computed the "
|
||
"following::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:773
|
||
msgid ""
|
||
"Python 2.7's floating-point result is larger, but much closer to the true "
|
||
"value::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:782
|
||
msgid "(Implemented by Mark Dickinson; :issue:`3166`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:784
|
||
msgid ""
|
||
"Integer division is also more accurate in its rounding behaviours. (Also "
|
||
"implemented by Mark Dickinson; :issue:`1811`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:787
|
||
msgid ""
|
||
"Implicit coercion for complex numbers has been removed; the interpreter will "
|
||
"no longer ever attempt to call a :meth:`__coerce__` method on complex "
|
||
"objects. (Removed by Meador Inge and Mark Dickinson; :issue:`5211`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:791
|
||
msgid ""
|
||
"The :meth:`str.format` method now supports automatic numbering of the "
|
||
"replacement fields. This makes using :meth:`str.format` more closely "
|
||
"resemble using ``%s`` formatting::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:800
|
||
msgid ""
|
||
"The auto-numbering takes the fields from left to right, so the first ``{...}"
|
||
"`` specifier will use the first argument to :meth:`str.format`, the next "
|
||
"specifier will use the next argument, and so on. You can't mix auto-"
|
||
"numbering and explicit numbering -- either number all of your specifier "
|
||
"fields or none of them -- but you can mix auto-numbering and named fields, "
|
||
"as in the second example above. (Contributed by Eric Smith; :issue:`5237`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:807
|
||
msgid ""
|
||
"Complex numbers now correctly support usage with :func:`format`, and default "
|
||
"to being right-aligned. Specifying a precision or comma-separation applies "
|
||
"to both the real and imaginary parts of the number, but a specified field "
|
||
"width and alignment is applied to the whole of the resulting ``1.5+3j`` "
|
||
"output. (Contributed by Eric Smith; :issue:`1588` and :issue:`7988`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:814
|
||
msgid ""
|
||
"The 'F' format code now always formats its output using uppercase "
|
||
"characters, so it will now produce 'INF' and 'NAN'. (Contributed by Eric "
|
||
"Smith; :issue:`3382`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:818
|
||
msgid ""
|
||
"A low-level change: the :meth:`object.__format__` method now triggers a :exc:"
|
||
"`PendingDeprecationWarning` if it's passed a format string, because the :"
|
||
"meth:`__format__` method for :class:`object` converts the object to a string "
|
||
"representation and formats that. Previously the method silently applied the "
|
||
"format string to the string representation, but that could hide mistakes in "
|
||
"Python code. If you're supplying formatting information such as an "
|
||
"alignment or precision, presumably you're expecting the formatting to be "
|
||
"applied in some object-specific way. (Fixed by Eric Smith; :issue:`7994`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:828
|
||
msgid ""
|
||
"The :func:`int` and :func:`long` types gained a ``bit_length`` method that "
|
||
"returns the number of bits necessary to represent its argument in binary::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:843
|
||
msgid "(Contributed by Fredrik Johansson and Victor Stinner; :issue:`3439`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:845
|
||
msgid ""
|
||
"The :keyword:`import` statement will no longer try an absolute import if a "
|
||
"relative import (e.g. ``from .os import sep``) fails. This fixes a bug, but "
|
||
"could possibly break certain :keyword:`import` statements that were only "
|
||
"working by accident. (Fixed by Meador Inge; :issue:`7902`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:851
|
||
msgid ""
|
||
"It's now possible for a subclass of the built-in :class:`unicode` type to "
|
||
"override the :meth:`__unicode__` method. (Implemented by Victor Stinner; :"
|
||
"issue:`1583863`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:855
|
||
msgid ""
|
||
"The :class:`bytearray` type's :meth:`~bytearray.translate` method now "
|
||
"accepts ``None`` as its first argument. (Fixed by Georg Brandl; :issue:"
|
||
"`4759`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:861
|
||
msgid ""
|
||
"When using ``@classmethod`` and ``@staticmethod`` to wrap methods as class "
|
||
"or static methods, the wrapper object now exposes the wrapped function as "
|
||
"their :attr:`__func__` attribute. (Contributed by Amaury Forgeot d'Arc, "
|
||
"after a suggestion by George Sakkis; :issue:`5982`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:867 ../Doc/whatsnew/2.7.rst:2462
|
||
msgid ""
|
||
"When a restricted set of attributes were set using ``__slots__``, deleting "
|
||
"an unset attribute would not raise :exc:`AttributeError` as you would "
|
||
"expect. Fixed by Benjamin Peterson; :issue:`7604`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:871
|
||
msgid ""
|
||
"Two new encodings are now supported: \"cp720\", used primarily for Arabic "
|
||
"text; and \"cp858\", a variant of CP 850 that adds the euro symbol. (CP720 "
|
||
"contributed by Alexander Belchenko and Amaury Forgeot d'Arc in :issue:"
|
||
"`1616979`; CP858 contributed by Tim Hatch in :issue:`8016`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:877
|
||
msgid ""
|
||
"The :class:`file` object will now set the :attr:`filename` attribute on the :"
|
||
"exc:`IOError` exception when trying to open a directory on POSIX platforms "
|
||
"(noted by Jan Kaliszewski; :issue:`4764`), and now explicitly checks for and "
|
||
"forbids writing to read-only file objects instead of trusting the C library "
|
||
"to catch and report the error (fixed by Stefan Krah; :issue:`5677`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:884
|
||
msgid ""
|
||
"The Python tokenizer now translates line endings itself, so the :func:"
|
||
"`compile` built-in function now accepts code using any line-ending "
|
||
"convention. Additionally, it no longer requires that the code end in a "
|
||
"newline."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:889
|
||
msgid ""
|
||
"Extra parentheses in function definitions are illegal in Python 3.x, meaning "
|
||
"that you get a syntax error from ``def f((x)): pass``. In Python3-warning "
|
||
"mode, Python 2.7 will now warn about this odd usage. (Noted by James "
|
||
"Lingard; :issue:`7362`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:894
|
||
msgid ""
|
||
"It's now possible to create weak references to old-style class objects. New-"
|
||
"style classes were always weak-referenceable. (Fixed by Antoine Pitrou; :"
|
||
"issue:`8268`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:898
|
||
msgid ""
|
||
"When a module object is garbage-collected, the module's dictionary is now "
|
||
"only cleared if no one else is holding a reference to the dictionary (:issue:"
|
||
"`7140`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:907
|
||
msgid "Interpreter Changes"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:909
|
||
msgid ""
|
||
"A new environment variable, :envvar:`PYTHONWARNINGS`, allows controlling "
|
||
"warnings. It should be set to a string containing warning settings, "
|
||
"equivalent to those used with the :option:`-W` switch, separated by commas. "
|
||
"(Contributed by Brian Curtin; :issue:`7301`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:915
|
||
msgid ""
|
||
"For example, the following setting will print warnings every time they "
|
||
"occur, but turn warnings from the :mod:`Cookie` module into an error. (The "
|
||
"exact syntax for setting an environment variable varies across operating "
|
||
"systems and shells.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:928
|
||
msgid "Optimizations"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:930
|
||
msgid "Several performance enhancements have been added:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:932
|
||
msgid ""
|
||
"A new opcode was added to perform the initial setup for :keyword:`with` "
|
||
"statements, looking up the :meth:`__enter__` and :meth:`__exit__` methods. "
|
||
"(Contributed by Benjamin Peterson.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:936
|
||
msgid ""
|
||
"The garbage collector now performs better for one common usage pattern: when "
|
||
"many objects are being allocated without deallocating any of them. This "
|
||
"would previously take quadratic time for garbage collection, but now the "
|
||
"number of full garbage collections is reduced as the number of objects on "
|
||
"the heap grows. The new logic only performs a full garbage collection pass "
|
||
"when the middle generation has been collected 10 times and when the number "
|
||
"of survivor objects from the middle generation exceeds 10% of the number of "
|
||
"objects in the oldest generation. (Suggested by Martin von Löwis and "
|
||
"implemented by Antoine Pitrou; :issue:`4074`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:947
|
||
msgid ""
|
||
"The garbage collector tries to avoid tracking simple containers which can't "
|
||
"be part of a cycle. In Python 2.7, this is now true for tuples and dicts "
|
||
"containing atomic types (such as ints, strings, etc.). Transitively, a dict "
|
||
"containing tuples of atomic types won't be tracked either. This helps reduce "
|
||
"the cost of each garbage collection by decreasing the number of objects to "
|
||
"be considered and traversed by the collector. (Contributed by Antoine "
|
||
"Pitrou; :issue:`4688`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:956
|
||
msgid ""
|
||
"Long integers are now stored internally either in base 2**15 or in base "
|
||
"2**30, the base being determined at build time. Previously, they were "
|
||
"always stored in base 2**15. Using base 2**30 gives significant performance "
|
||
"improvements on 64-bit machines, but benchmark results on 32-bit machines "
|
||
"have been mixed. Therefore, the default is to use base 2**30 on 64-bit "
|
||
"machines and base 2**15 on 32-bit machines; on Unix, there's a new configure "
|
||
"option :option:`!--enable-big-digits` that can be used to override this "
|
||
"default."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:965
|
||
msgid ""
|
||
"Apart from the performance improvements this change should be invisible to "
|
||
"end users, with one exception: for testing and debugging purposes there's a "
|
||
"new structseq :data:`sys.long_info` that provides information about the "
|
||
"internal format, giving the number of bits per digit and the size in bytes "
|
||
"of the C type used to store each digit::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:976
|
||
msgid "(Contributed by Mark Dickinson; :issue:`4258`.)"
|
||
msgstr "(Contribution par Mark Dickinson; :issue:`4258`.)"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:978
|
||
msgid ""
|
||
"Another set of changes made long objects a few bytes smaller: 2 bytes "
|
||
"smaller on 32-bit systems and 6 bytes on 64-bit. (Contributed by Mark "
|
||
"Dickinson; :issue:`5260`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:982
|
||
msgid ""
|
||
"The division algorithm for long integers has been made faster by tightening "
|
||
"the inner loop, doing shifts instead of multiplications, and fixing an "
|
||
"unnecessary extra iteration. Various benchmarks show speedups of between 50% "
|
||
"and 150% for long integer divisions and modulo operations. (Contributed by "
|
||
"Mark Dickinson; :issue:`5512`.) Bitwise operations are also significantly "
|
||
"faster (initial patch by Gregory Smith; :issue:`1087418`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:991
|
||
msgid ""
|
||
"The implementation of ``%`` checks for the left-side operand being a Python "
|
||
"string and special-cases it; this results in a 1--3% performance increase "
|
||
"for applications that frequently use ``%`` with strings, such as templating "
|
||
"libraries. (Implemented by Collin Winter; :issue:`5176`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:997
|
||
msgid ""
|
||
"List comprehensions with an ``if`` condition are compiled into faster "
|
||
"bytecode. (Patch by Antoine Pitrou, back-ported to 2.7 by Jeffrey Yasskin; :"
|
||
"issue:`4715`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1001
|
||
msgid ""
|
||
"Converting an integer or long integer to a decimal string was made faster by "
|
||
"special-casing base 10 instead of using a generalized conversion function "
|
||
"that supports arbitrary bases. (Patch by Gawain Bolton; :issue:`6713`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1006
|
||
msgid ""
|
||
"The :meth:`split`, :meth:`replace`, :meth:`rindex`, :meth:`rpartition`, and :"
|
||
"meth:`rsplit` methods of string-like types (strings, Unicode strings, and :"
|
||
"class:`bytearray` objects) now use a fast reverse-search algorithm instead "
|
||
"of a character-by-character scan. This is sometimes faster by a factor of "
|
||
"10. (Added by Florent Xicluna; :issue:`7462` and :issue:`7622`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1013
|
||
msgid ""
|
||
"The :mod:`pickle` and :mod:`cPickle` modules now automatically intern the "
|
||
"strings used for attribute names, reducing memory usage of the objects "
|
||
"resulting from unpickling. (Contributed by Jake McGuire; :issue:`5084`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1018
|
||
msgid ""
|
||
"The :mod:`cPickle` module now special-cases dictionaries, nearly halving the "
|
||
"time required to pickle them. (Contributed by Collin Winter; :issue:`5670`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1025
|
||
msgid "New and Improved Modules"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1027
|
||
msgid ""
|
||
"As in every release, Python's standard library received a number of "
|
||
"enhancements and bug fixes. Here's a partial list of the most notable "
|
||
"changes, sorted alphabetically by module name. Consult the :file:`Misc/NEWS` "
|
||
"file in the source tree for a more complete list of changes, or look through "
|
||
"the Subversion logs for all the details."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1033
|
||
msgid ""
|
||
"The :mod:`bdb` module's base debugging class :class:`~bdb.Bdb` gained a "
|
||
"feature for skipping modules. The constructor now takes an iterable "
|
||
"containing glob-style patterns such as ``django.*``; the debugger will not "
|
||
"step into stack frames from a module that matches one of these patterns. "
|
||
"(Contributed by Maru Newby after a suggestion by Senthil Kumaran; :issue:"
|
||
"`5142`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1041
|
||
msgid ""
|
||
"The :mod:`binascii` module now supports the buffer API, so it can be used "
|
||
"with :class:`memoryview` instances and other similar buffer objects. "
|
||
"(Backported from 3.x by Florent Xicluna; :issue:`7703`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1045
|
||
msgid ""
|
||
"Updated module: the :mod:`bsddb` module has been updated from 4.7.2devel9 to "
|
||
"version 4.8.4 of `the pybsddb package <https://www.jcea.es/programacion/"
|
||
"pybsddb.htm>`__. The new version features better Python 3.x compatibility, "
|
||
"various bug fixes, and adds several new BerkeleyDB flags and methods. "
|
||
"(Updated by Jesús Cea Avión; :issue:`8156`. The pybsddb changelog can be "
|
||
"read at http://hg.jcea.es/pybsddb/file/tip/ChangeLog.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1053
|
||
msgid ""
|
||
"The :mod:`bz2` module's :class:`~bz2.BZ2File` now supports the context "
|
||
"management protocol, so you can write ``with bz2.BZ2File(...) as f:``. "
|
||
"(Contributed by Hagen Fürstenau; :issue:`3860`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1057
|
||
msgid ""
|
||
"New class: the :class:`~collections.Counter` class in the :mod:`collections` "
|
||
"module is useful for tallying data. :class:`~collections.Counter` instances "
|
||
"behave mostly like dictionaries but return zero for missing keys instead of "
|
||
"raising a :exc:`KeyError`:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1079
|
||
msgid ""
|
||
"There are three additional :class:`~collections.Counter` methods. :meth:"
|
||
"`~collections.Counter.most_common` returns the N most common elements and "
|
||
"their counts. :meth:`~collections.Counter.elements` returns an iterator "
|
||
"over the contained elements, repeating each element as many times as its "
|
||
"count. :meth:`~collections.Counter.subtract` takes an iterable and subtracts "
|
||
"one for each element instead of adding; if the argument is a dictionary or "
|
||
"another :class:`Counter`, the counts are subtracted. ::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1102
|
||
msgid "Contributed by Raymond Hettinger; :issue:`1696199`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1106
|
||
msgid ""
|
||
"New class: :class:`~collections.OrderedDict` is described in the earlier "
|
||
"section :ref:`pep-0372`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1109
|
||
msgid ""
|
||
"New method: The :class:`~collections.deque` data type now has a :meth:"
|
||
"`~collections.deque.count` method that returns the number of contained "
|
||
"elements equal to the supplied argument *x*, and a :meth:`~collections.deque."
|
||
"reverse` method that reverses the elements of the deque in-place. :class:"
|
||
"`~collections.deque` also exposes its maximum length as the read-only :attr:"
|
||
"`~collections.deque.maxlen` attribute. (Both features added by Raymond "
|
||
"Hettinger.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1117
|
||
msgid ""
|
||
"The :class:`~collections.namedtuple` class now has an optional *rename* "
|
||
"parameter. If *rename* is true, field names that are invalid because they've "
|
||
"been repeated or aren't legal Python identifiers will be renamed to legal "
|
||
"names that are derived from the field's position within the list of fields:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1128
|
||
msgid "(Added by Raymond Hettinger; :issue:`1818`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1130
|
||
msgid ""
|
||
"Finally, the :class:`~collections.Mapping` abstract base class now returns :"
|
||
"const:`NotImplemented` if a mapping is compared to another type that isn't "
|
||
"a :class:`Mapping`. (Fixed by Daniel Stutzbach; :issue:`8729`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1135
|
||
msgid ""
|
||
"Constructors for the parsing classes in the :mod:`ConfigParser` module now "
|
||
"take an *allow_no_value* parameter, defaulting to false; if true, options "
|
||
"without values will be allowed. For example::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1157
|
||
msgid "(Contributed by Mats Kindahl; :issue:`7005`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1159
|
||
msgid ""
|
||
"Deprecated function: :func:`contextlib.nested`, which allows handling more "
|
||
"than one context manager with a single :keyword:`with` statement, has been "
|
||
"deprecated, because the :keyword:`with` statement now supports multiple "
|
||
"context managers."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1164
|
||
msgid ""
|
||
"The :mod:`cookielib` module now ignores cookies that have an invalid version "
|
||
"field, one that doesn't contain an integer value. (Fixed by John J. Lee; :"
|
||
"issue:`3924`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1168
|
||
msgid ""
|
||
"The :mod:`copy` module's :func:`~copy.deepcopy` function will now correctly "
|
||
"copy bound instance methods. (Implemented by Robert Collins; :issue:`1515`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1172
|
||
msgid ""
|
||
"The :mod:`ctypes` module now always converts ``None`` to a C NULL pointer "
|
||
"for arguments declared as pointers. (Changed by Thomas Heller; :issue:"
|
||
"`4606`.) The underlying `libffi library <https://sourceware.org/libffi/>`__ "
|
||
"has been updated to version 3.0.9, containing various fixes for different "
|
||
"platforms. (Updated by Matthias Klose; :issue:`8142`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1179
|
||
msgid ""
|
||
"New method: the :mod:`datetime` module's :class:`~datetime.timedelta` class "
|
||
"gained a :meth:`~datetime.timedelta.total_seconds` method that returns the "
|
||
"number of seconds in the duration. (Contributed by Brian Quinlan; :issue:"
|
||
"`5788`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1183
|
||
msgid ""
|
||
"New method: the :class:`~decimal.Decimal` class gained a :meth:`~decimal."
|
||
"Decimal.from_float` class method that performs an exact conversion of a "
|
||
"floating-point number to a :class:`~decimal.Decimal`. This exact conversion "
|
||
"strives for the closest decimal approximation to the floating-point "
|
||
"representation's value; the resulting decimal value will therefore still "
|
||
"include the inaccuracy, if any. For example, ``Decimal.from_float(0.1)`` "
|
||
"returns "
|
||
"``Decimal('0.1000000000000000055511151231257827021181583404541015625')``. "
|
||
"(Implemented by Raymond Hettinger; :issue:`4796`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1194
|
||
msgid ""
|
||
"Comparing instances of :class:`~decimal.Decimal` with floating-point numbers "
|
||
"now produces sensible results based on the numeric values of the operands. "
|
||
"Previously such comparisons would fall back to Python's default rules for "
|
||
"comparing objects, which produced arbitrary results based on their type. "
|
||
"Note that you still cannot combine :class:`Decimal` and floating-point in "
|
||
"other operations such as addition, since you should be explicitly choosing "
|
||
"how to convert between float and :class:`~decimal.Decimal`. (Fixed by Mark "
|
||
"Dickinson; :issue:`2531`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1203
|
||
msgid ""
|
||
"The constructor for :class:`~decimal.Decimal` now accepts floating-point "
|
||
"numbers (added by Raymond Hettinger; :issue:`8257`) and non-European Unicode "
|
||
"characters such as Arabic-Indic digits (contributed by Mark Dickinson; :"
|
||
"issue:`6595`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1208
|
||
msgid ""
|
||
"Most of the methods of the :class:`~decimal.Context` class now accept "
|
||
"integers as well as :class:`~decimal.Decimal` instances; the only exceptions "
|
||
"are the :meth:`~decimal.Context.canonical` and :meth:`~decimal.Context."
|
||
"is_canonical` methods. (Patch by Juan José Conti; :issue:`7633`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1213
|
||
msgid ""
|
||
"When using :class:`~decimal.Decimal` instances with a string's :meth:`~str."
|
||
"format` method, the default alignment was previously left-alignment. This "
|
||
"has been changed to right-alignment, which is more sensible for numeric "
|
||
"types. (Changed by Mark Dickinson; :issue:`6857`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1218
|
||
msgid ""
|
||
"Comparisons involving a signaling NaN value (or ``sNAN``) now signal :const:"
|
||
"`InvalidOperation` instead of silently returning a true or false value "
|
||
"depending on the comparison operator. Quiet NaN values (or ``NaN``) are now "
|
||
"hashable. (Fixed by Mark Dickinson; :issue:`7279`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1224
|
||
msgid ""
|
||
"The :mod:`difflib` module now produces output that is more compatible with "
|
||
"modern :command:`diff`/:command:`patch` tools through one small change, "
|
||
"using a tab character instead of spaces as a separator in the header giving "
|
||
"the filename. (Fixed by Anatoly Techtonik; :issue:`7585`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1230
|
||
msgid ""
|
||
"The Distutils ``sdist`` command now always regenerates the :file:`MANIFEST` "
|
||
"file, since even if the :file:`MANIFEST.in` or :file:`setup.py` files "
|
||
"haven't been modified, the user might have created some new files that "
|
||
"should be included. (Fixed by Tarek Ziadé; :issue:`8688`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1236
|
||
msgid ""
|
||
"The :mod:`doctest` module's :const:`IGNORE_EXCEPTION_DETAIL` flag will now "
|
||
"ignore the name of the module containing the exception being tested. (Patch "
|
||
"by Lennart Regebro; :issue:`7490`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1240
|
||
msgid ""
|
||
"The :mod:`email` module's :class:`~email.message.Message` class will now "
|
||
"accept a Unicode-valued payload, automatically converting the payload to the "
|
||
"encoding specified by :attr:`output_charset`. (Added by R. David Murray; :"
|
||
"issue:`1368247`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1245
|
||
msgid ""
|
||
"The :class:`~fractions.Fraction` class now accepts a single float or :class:"
|
||
"`~decimal.Decimal` instance, or two rational numbers, as arguments to its "
|
||
"constructor. (Implemented by Mark Dickinson; rationals added in :issue:"
|
||
"`5812`, and float/decimal in :issue:`8294`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1251
|
||
msgid ""
|
||
"Ordering comparisons (``<``, ``<=``, ``>``, ``>=``) between fractions and "
|
||
"complex numbers now raise a :exc:`TypeError`. This fixes an oversight, "
|
||
"making the :class:`~fractions.Fraction` match the other numeric types."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1258
|
||
msgid ""
|
||
"New class: :class:`~ftplib.FTP_TLS` in the :mod:`ftplib` module provides "
|
||
"secure FTP connections using TLS encapsulation of authentication as well as "
|
||
"subsequent control and data transfers. (Contributed by Giampaolo Rodola; :"
|
||
"issue:`2054`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1264
|
||
msgid ""
|
||
"The :meth:`~ftplib.FTP.storbinary` method for binary uploads can now restart "
|
||
"uploads thanks to an added *rest* parameter (patch by Pablo Mouzo; :issue:"
|
||
"`6845`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1268
|
||
msgid ""
|
||
"New class decorator: :func:`~functools.total_ordering` in the :mod:"
|
||
"`functools` module takes a class that defines an :meth:`__eq__` method and "
|
||
"one of :meth:`__lt__`, :meth:`__le__`, :meth:`__gt__`, or :meth:`__ge__`, "
|
||
"and generates the missing comparison methods. Since the :meth:`__cmp__` "
|
||
"method is being deprecated in Python 3.x, this decorator makes it easier to "
|
||
"define ordered classes. (Added by Raymond Hettinger; :issue:`5479`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1276
|
||
msgid ""
|
||
"New function: :func:`~functools.cmp_to_key` will take an old-style "
|
||
"comparison function that expects two arguments and return a new callable "
|
||
"that can be used as the *key* parameter to functions such as :func:"
|
||
"`sorted`, :func:`min` and :func:`max`, etc. The primary intended use is to "
|
||
"help with making code compatible with Python 3.x. (Added by Raymond "
|
||
"Hettinger.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1283
|
||
msgid ""
|
||
"New function: the :mod:`gc` module's :func:`~gc.is_tracked` returns true if "
|
||
"a given instance is tracked by the garbage collector, false otherwise. "
|
||
"(Contributed by Antoine Pitrou; :issue:`4688`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1287
|
||
msgid ""
|
||
"The :mod:`gzip` module's :class:`~gzip.GzipFile` now supports the context "
|
||
"management protocol, so you can write ``with gzip.GzipFile(...) as f:`` "
|
||
"(contributed by Hagen Fürstenau; :issue:`3860`), and it now implements the :"
|
||
"class:`io.BufferedIOBase` ABC, so you can wrap it with :class:`io."
|
||
"BufferedReader` for faster processing (contributed by Nir Aides; :issue:"
|
||
"`7471`). It's also now possible to override the modification time recorded "
|
||
"in a gzipped file by providing an optional timestamp to the constructor. "
|
||
"(Contributed by Jacques Frechet; :issue:`4272`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1297
|
||
msgid ""
|
||
"Files in gzip format can be padded with trailing zero bytes; the :mod:`gzip` "
|
||
"module will now consume these trailing bytes. (Fixed by Tadek Pietraszek "
|
||
"and Brian Curtin; :issue:`2846`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1301
|
||
msgid ""
|
||
"New attribute: the :mod:`hashlib` module now has an :attr:`~hashlib.hashlib."
|
||
"algorithms` attribute containing a tuple naming the supported algorithms. In "
|
||
"Python 2.7, ``hashlib.algorithms`` contains ``('md5', 'sha1', 'sha224', "
|
||
"'sha256', 'sha384', 'sha512')``. (Contributed by Carl Chenet; :issue:`7418`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1307
|
||
msgid ""
|
||
"The default :class:`~httplib.HTTPResponse` class used by the :mod:`httplib` "
|
||
"module now supports buffering, resulting in much faster reading of HTTP "
|
||
"responses. (Contributed by Kristján Valur Jónsson; :issue:`4879`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1311
|
||
msgid ""
|
||
"The :class:`~httplib.HTTPConnection` and :class:`~httplib.HTTPSConnection` "
|
||
"classes now support a *source_address* parameter, a ``(host, port)`` 2-tuple "
|
||
"giving the source address that will be used for the connection. (Contributed "
|
||
"by Eldon Ziegler; :issue:`3972`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1316
|
||
msgid ""
|
||
"The :mod:`ihooks` module now supports relative imports. Note that :mod:"
|
||
"`ihooks` is an older module for customizing imports, superseded by the :mod:"
|
||
"`imputil` module added in Python 2.0. (Relative import support added by Neil "
|
||
"Schemenauer.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1323
|
||
msgid ""
|
||
"The :mod:`imaplib` module now supports IPv6 addresses. (Contributed by Derek "
|
||
"Morr; :issue:`1655`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1326
|
||
msgid ""
|
||
"New function: the :mod:`inspect` module's :func:`~inspect.getcallargs` takes "
|
||
"a callable and its positional and keyword arguments, and figures out which "
|
||
"of the callable's parameters will receive each argument, returning a "
|
||
"dictionary mapping argument names to their values. For example::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1343
|
||
msgid "Contributed by George Sakkis; :issue:`3135`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1345
|
||
msgid ""
|
||
"Updated module: The :mod:`io` library has been upgraded to the version "
|
||
"shipped with Python 3.1. For 3.1, the I/O library was entirely rewritten in "
|
||
"C and is 2 to 20 times faster depending on the task being performed. The "
|
||
"original Python version was renamed to the :mod:`_pyio` module."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1350
|
||
msgid ""
|
||
"One minor resulting change: the :class:`io.TextIOBase` class now has an :"
|
||
"attr:`errors` attribute giving the error setting used for encoding and "
|
||
"decoding errors (one of ``'strict'``, ``'replace'``, ``'ignore'``)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1355
|
||
msgid ""
|
||
"The :class:`io.FileIO` class now raises an :exc:`OSError` when passed an "
|
||
"invalid file descriptor. (Implemented by Benjamin Peterson; :issue:"
|
||
"`4991`.) The :meth:`~io.IOBase.truncate` method now preserves the file "
|
||
"position; previously it would change the file position to the end of the new "
|
||
"file. (Fixed by Pascal Chambon; :issue:`6939`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1361
|
||
msgid ""
|
||
"New function: ``itertools.compress(data, selectors)`` takes two iterators. "
|
||
"Elements of *data* are returned if the corresponding value in *selectors* is "
|
||
"true::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1370
|
||
msgid ""
|
||
"New function: ``itertools.combinations_with_replacement(iter, r)`` returns "
|
||
"all the possible *r*-length combinations of elements from the iterable "
|
||
"*iter*. Unlike :func:`~itertools.combinations`, individual elements can be "
|
||
"repeated in the generated combinations::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1379
|
||
msgid ""
|
||
"Note that elements are treated as unique depending on their position in the "
|
||
"input, not their actual values."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1382
|
||
msgid ""
|
||
"The :func:`itertools.count` function now has a *step* argument that allows "
|
||
"incrementing by values other than 1. :func:`~itertools.count` also now "
|
||
"allows keyword arguments, and using non-integer values such as floats or :"
|
||
"class:`~decimal.Decimal` instances. (Implemented by Raymond Hettinger; :"
|
||
"issue:`5032`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1388
|
||
msgid ""
|
||
":func:`itertools.combinations` and :func:`itertools.product` previously "
|
||
"raised :exc:`ValueError` for values of *r* larger than the input iterable. "
|
||
"This was deemed a specification error, so they now return an empty "
|
||
"iterator. (Fixed by Raymond Hettinger; :issue:`4816`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1393
|
||
msgid ""
|
||
"Updated module: The :mod:`json` module was upgraded to version 2.0.9 of the "
|
||
"simplejson package, which includes a C extension that makes encoding and "
|
||
"decoding faster. (Contributed by Bob Ippolito; :issue:`4136`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1398
|
||
msgid ""
|
||
"To support the new :class:`collections.OrderedDict` type, :func:`json.load` "
|
||
"now has an optional *object_pairs_hook* parameter that will be called with "
|
||
"any object literal that decodes to a list of pairs. (Contributed by Raymond "
|
||
"Hettinger; :issue:`5381`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1403
|
||
msgid ""
|
||
"The :mod:`mailbox` module's :class:`~mailbox.Maildir` class now records the "
|
||
"timestamp on the directories it reads, and only re-reads them if the "
|
||
"modification time has subsequently changed. This improves performance by "
|
||
"avoiding unneeded directory scans. (Fixed by A.M. Kuchling and Antoine "
|
||
"Pitrou; :issue:`1607951`, :issue:`6896`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1409
|
||
msgid ""
|
||
"New functions: the :mod:`math` module gained :func:`~math.erf` and :func:"
|
||
"`~math.erfc` for the error function and the complementary error function, :"
|
||
"func:`~math.expm1` which computes ``e**x - 1`` with more precision than "
|
||
"using :func:`~math.exp` and subtracting 1, :func:`~math.gamma` for the Gamma "
|
||
"function, and :func:`~math.lgamma` for the natural log of the Gamma "
|
||
"function. (Contributed by Mark Dickinson and nirinA raseliarison; :issue:"
|
||
"`3366`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1417
|
||
msgid ""
|
||
"The :mod:`multiprocessing` module's :class:`Manager*` classes can now be "
|
||
"passed a callable that will be called whenever a subprocess is started, "
|
||
"along with a set of arguments that will be passed to the callable. "
|
||
"(Contributed by lekma; :issue:`5585`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1423
|
||
msgid ""
|
||
"The :class:`~multiprocessing.Pool` class, which controls a pool of worker "
|
||
"processes, now has an optional *maxtasksperchild* parameter. Worker "
|
||
"processes will perform the specified number of tasks and then exit, causing "
|
||
"the :class:`~multiprocessing.Pool` to start a new worker. This is useful if "
|
||
"tasks may leak memory or other resources, or if some tasks will cause the "
|
||
"worker to become very large. (Contributed by Charles Cazabon; :issue:`6963`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1431
|
||
msgid ""
|
||
"The :mod:`nntplib` module now supports IPv6 addresses. (Contributed by Derek "
|
||
"Morr; :issue:`1664`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1434
|
||
msgid ""
|
||
"New functions: the :mod:`os` module wraps the following POSIX system calls: :"
|
||
"func:`~os.getresgid` and :func:`~os.getresuid`, which return the real, "
|
||
"effective, and saved GIDs and UIDs; :func:`~os.setresgid` and :func:`~os."
|
||
"setresuid`, which set real, effective, and saved GIDs and UIDs to new "
|
||
"values; :func:`~os.initgroups`, which initialize the group access list for "
|
||
"the current process. (GID/UID functions contributed by Travis H.; :issue:"
|
||
"`6508`. Support for initgroups added by Jean-Paul Calderone; :issue:`7333`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1444
|
||
msgid ""
|
||
"The :func:`os.fork` function now re-initializes the import lock in the child "
|
||
"process; this fixes problems on Solaris when :func:`~os.fork` is called from "
|
||
"a thread. (Fixed by Zsolt Cserna; :issue:`7242`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1448
|
||
msgid ""
|
||
"In the :mod:`os.path` module, the :func:`~os.path.normpath` and :func:`~os."
|
||
"path.abspath` functions now preserve Unicode; if their input path is a "
|
||
"Unicode string, the return value is also a Unicode string. (:meth:`~os.path."
|
||
"normpath` fixed by Matt Giuca in :issue:`5827`; :meth:`~os.path.abspath` "
|
||
"fixed by Ezio Melotti in :issue:`3426`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1454
|
||
msgid ""
|
||
"The :mod:`pydoc` module now has help for the various symbols that Python "
|
||
"uses. You can now do ``help('<<')`` or ``help('@')``, for example. "
|
||
"(Contributed by David Laban; :issue:`4739`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1458
|
||
msgid ""
|
||
"The :mod:`re` module's :func:`~re.split`, :func:`~re.sub`, and :func:`~re."
|
||
"subn` now accept an optional *flags* argument, for consistency with the "
|
||
"other functions in the module. (Added by Gregory P. Smith.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1462
|
||
msgid ""
|
||
"New function: :func:`~runpy.run_path` in the :mod:`runpy` module will "
|
||
"execute the code at a provided *path* argument. *path* can be the path of a "
|
||
"Python source file (:file:`example.py`), a compiled bytecode file (:file:"
|
||
"`example.pyc`), a directory (:file:`./package/`), or a zip archive (:file:"
|
||
"`example.zip`). If a directory or zip path is provided, it will be added to "
|
||
"the front of ``sys.path`` and the module :mod:`__main__` will be imported. "
|
||
"It's expected that the directory or zip contains a :file:`__main__.py`; if "
|
||
"it doesn't, some other :file:`__main__.py` might be imported from a location "
|
||
"later in ``sys.path``. This makes more of the machinery of :mod:`runpy` "
|
||
"available to scripts that want to mimic the way Python's command line "
|
||
"processes an explicit path name. (Added by Nick Coghlan; :issue:`6816`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1476
|
||
msgid ""
|
||
"New function: in the :mod:`shutil` module, :func:`~shutil.make_archive` "
|
||
"takes a filename, archive type (zip or tar-format), and a directory path, "
|
||
"and creates an archive containing the directory's contents. (Added by Tarek "
|
||
"Ziadé.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1481
|
||
msgid ""
|
||
":mod:`shutil`'s :func:`~shutil.copyfile` and :func:`~shutil.copytree` "
|
||
"functions now raise a :exc:`~shutil.SpecialFileError` exception when asked "
|
||
"to copy a named pipe. Previously the code would treat named pipes like a "
|
||
"regular file by opening them for reading, and this would block "
|
||
"indefinitely. (Fixed by Antoine Pitrou; :issue:`3002`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1487
|
||
msgid ""
|
||
"The :mod:`signal` module no longer re-installs the signal handler unless "
|
||
"this is truly necessary, which fixes a bug that could make it impossible to "
|
||
"catch the EINTR signal robustly. (Fixed by Charles-Francois Natali; :issue:"
|
||
"`8354`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1492
|
||
msgid ""
|
||
"New functions: in the :mod:`site` module, three new functions return various "
|
||
"site- and user-specific paths. :func:`~site.getsitepackages` returns a list "
|
||
"containing all global site-packages directories, :func:`~site."
|
||
"getusersitepackages` returns the path of the user's site-packages directory, "
|
||
"and :func:`~site.getuserbase` returns the value of the :envvar:`USER_BASE` "
|
||
"environment variable, giving the path to a directory that can be used to "
|
||
"store data. (Contributed by Tarek Ziadé; :issue:`6693`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1503
|
||
msgid ""
|
||
"The :mod:`site` module now reports exceptions occurring when the :mod:"
|
||
"`sitecustomize` module is imported, and will no longer catch and swallow "
|
||
"the :exc:`KeyboardInterrupt` exception. (Fixed by Victor Stinner; :issue:"
|
||
"`3137`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1508
|
||
msgid ""
|
||
"The :func:`~socket.create_connection` function gained a *source_address* "
|
||
"parameter, a ``(host, port)`` 2-tuple giving the source address that will be "
|
||
"used for the connection. (Contributed by Eldon Ziegler; :issue:`3972`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1513
|
||
msgid ""
|
||
"The :meth:`~socket.socket.recv_into` and :meth:`~socket.socket."
|
||
"recvfrom_into` methods will now write into objects that support the buffer "
|
||
"API, most usefully the :class:`bytearray` and :class:`memoryview` objects. "
|
||
"(Implemented by Antoine Pitrou; :issue:`8104`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1518
|
||
msgid ""
|
||
"The :mod:`SocketServer` module's :class:`~SocketServer.TCPServer` class now "
|
||
"supports socket timeouts and disabling the Nagle algorithm. The :attr:"
|
||
"`~SocketServer.TCPServer.disable_nagle_algorithm` class attribute defaults "
|
||
"to ``False``; if overridden to be true, new request connections will have "
|
||
"the TCP_NODELAY option set to prevent buffering many small sends into a "
|
||
"single TCP packet. The :attr:`~SocketServer.BaseServer.timeout` class "
|
||
"attribute can hold a timeout in seconds that will be applied to the request "
|
||
"socket; if no request is received within that time, :meth:`~SocketServer."
|
||
"BaseServer.handle_timeout` will be called and :meth:`~SocketServer."
|
||
"BaseServer.handle_request` will return. (Contributed by Kristján Valur "
|
||
"Jónsson; :issue:`6192` and :issue:`6267`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1530
|
||
msgid ""
|
||
"Updated module: the :mod:`sqlite3` module has been updated to version 2.6.0 "
|
||
"of the `pysqlite package <https://github.com/ghaering/pysqlite>`__. Version "
|
||
"2.6.0 includes a number of bugfixes, and adds the ability to load SQLite "
|
||
"extensions from shared libraries. Call the ``enable_load_extension(True)`` "
|
||
"method to enable extensions, and then call :meth:`~sqlite3.Connection."
|
||
"load_extension` to load a particular shared library. (Updated by Gerhard "
|
||
"Häring.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1537
|
||
msgid ""
|
||
"The :mod:`ssl` module's :class:`~ssl.SSLSocket` objects now support the "
|
||
"buffer API, which fixed a test suite failure (fix by Antoine Pitrou; :issue:"
|
||
"`7133`) and automatically set OpenSSL's :c:macro:`SSL_MODE_AUTO_RETRY`, "
|
||
"which will prevent an error code being returned from :meth:`recv` operations "
|
||
"that trigger an SSL renegotiation (fix by Antoine Pitrou; :issue:`8222`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1544
|
||
msgid ""
|
||
"The :func:`ssl.wrap_socket` constructor function now takes a *ciphers* "
|
||
"argument that's a string listing the encryption algorithms to be allowed; "
|
||
"the format of the string is described `in the OpenSSL documentation <https://"
|
||
"www.openssl.org/docs/manmaster/man1/ciphers.html#CIPHER-LIST-FORMAT>`__. "
|
||
"(Added by Antoine Pitrou; :issue:`8322`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1551
|
||
msgid ""
|
||
"Another change makes the extension load all of OpenSSL's ciphers and digest "
|
||
"algorithms so that they're all available. Some SSL certificates couldn't be "
|
||
"verified, reporting an \"unknown algorithm\" error. (Reported by Beda "
|
||
"Kosata, and fixed by Antoine Pitrou; :issue:`8484`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1557
|
||
msgid ""
|
||
"The version of OpenSSL being used is now available as the module attributes :"
|
||
"data:`ssl.OPENSSL_VERSION` (a string), :data:`ssl.OPENSSL_VERSION_INFO` (a 5-"
|
||
"tuple), and :data:`ssl.OPENSSL_VERSION_NUMBER` (an integer). (Added by "
|
||
"Antoine Pitrou; :issue:`8321`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1563
|
||
msgid ""
|
||
"The :mod:`struct` module will no longer silently ignore overflow errors when "
|
||
"a value is too large for a particular integer format code (one of "
|
||
"``bBhHiIlLqQ``); it now always raises a :exc:`struct.error` exception. "
|
||
"(Changed by Mark Dickinson; :issue:`1523`.) The :func:`~struct.pack` "
|
||
"function will also attempt to use :meth:`__index__` to convert and pack non-"
|
||
"integers before trying the :meth:`__int__` method or reporting an error. "
|
||
"(Changed by Mark Dickinson; :issue:`8300`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1572
|
||
msgid ""
|
||
"New function: the :mod:`subprocess` module's :func:`~subprocess."
|
||
"check_output` runs a command with a specified set of arguments and returns "
|
||
"the command's output as a string when the command runs without error, or "
|
||
"raises a :exc:`~subprocess.CalledProcessError` exception otherwise."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1587
|
||
msgid "(Contributed by Gregory P. Smith.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1589
|
||
msgid ""
|
||
"The :mod:`subprocess` module will now retry its internal system calls on "
|
||
"receiving an :const:`EINTR` signal. (Reported by several people; final "
|
||
"patch by Gregory P. Smith in :issue:`1068268`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1593
|
||
msgid ""
|
||
"New function: :func:`~symtable.Symbol.is_declared_global` in the :mod:"
|
||
"`symtable` module returns true for variables that are explicitly declared to "
|
||
"be global, false for ones that are implicitly global. (Contributed by Jeremy "
|
||
"Hylton.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1598 ../Doc/whatsnew/2.7.rst:2496
|
||
msgid ""
|
||
"The :mod:`syslog` module will now use the value of ``sys.argv[0]`` as the "
|
||
"identifier instead of the previous default value of ``'python'``. (Changed "
|
||
"by Sean Reifschneider; :issue:`8451`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1602
|
||
msgid ""
|
||
"The ``sys.version_info`` value is now a named tuple, with attributes named :"
|
||
"attr:`major`, :attr:`minor`, :attr:`micro`, :attr:`releaselevel`, and :attr:"
|
||
"`serial`. (Contributed by Ross Light; :issue:`4285`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1607
|
||
msgid ""
|
||
":func:`sys.getwindowsversion` also returns a named tuple, with attributes "
|
||
"named :attr:`major`, :attr:`minor`, :attr:`build`, :attr:`platform`, :attr:"
|
||
"`service_pack`, :attr:`service_pack_major`, :attr:`service_pack_minor`, :"
|
||
"attr:`suite_mask`, and :attr:`product_type`. (Contributed by Brian Curtin; :"
|
||
"issue:`7766`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1613 ../Doc/whatsnew/2.7.rst:2500
|
||
msgid ""
|
||
"The :mod:`tarfile` module's default error handling has changed, to no longer "
|
||
"suppress fatal errors. The default error level was previously 0, which "
|
||
"meant that errors would only result in a message being written to the debug "
|
||
"log, but because the debug log is not activated by default, these errors go "
|
||
"unnoticed. The default error level is now 1, which raises an exception if "
|
||
"there's an error. (Changed by Lars Gustäbel; :issue:`7357`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1621
|
||
msgid ""
|
||
":mod:`tarfile` now supports filtering the :class:`~tarfile.TarInfo` objects "
|
||
"being added to a tar file. When you call :meth:`~tarfile.TarFile.add`, you "
|
||
"may supply an optional *filter* argument that's a callable. The *filter* "
|
||
"callable will be passed the :class:`~tarfile.TarInfo` for every file being "
|
||
"added, and can modify and return it. If the callable returns ``None``, the "
|
||
"file will be excluded from the resulting archive. This is more powerful "
|
||
"than the existing *exclude* argument, which has therefore been deprecated. "
|
||
"(Added by Lars Gustäbel; :issue:`6856`.) The :class:`~tarfile.TarFile` class "
|
||
"also now supports the context management protocol. (Added by Lars Gustäbel; :"
|
||
"issue:`7232`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1633
|
||
msgid ""
|
||
"The :meth:`~threading.Event.wait` method of the :class:`threading.Event` "
|
||
"class now returns the internal flag on exit. This means the method will "
|
||
"usually return true because :meth:`~threading.Event.wait` is supposed to "
|
||
"block until the internal flag becomes true. The return value will only be "
|
||
"false if a timeout was provided and the operation timed out. (Contributed by "
|
||
"Tim Lesher; :issue:`1674032`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1640
|
||
msgid ""
|
||
"The Unicode database provided by the :mod:`unicodedata` module is now used "
|
||
"internally to determine which characters are numeric, whitespace, or "
|
||
"represent line breaks. The database also includes information from the :"
|
||
"file:`Unihan.txt` data file (patch by Anders Chrigström and Amaury Forgeot "
|
||
"d'Arc; :issue:`1571184`) and has been updated to version 5.2.0 (updated by "
|
||
"Florent Xicluna; :issue:`8024`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1648 ../Doc/whatsnew/2.7.rst:2508
|
||
msgid ""
|
||
"The :mod:`urlparse` module's :func:`~urlparse.urlsplit` now handles unknown "
|
||
"URL schemes in a fashion compliant with :rfc:`3986`: if the URL is of the "
|
||
"form ``\"<something>://...\"``, the text before the ``://`` is treated as "
|
||
"the scheme, even if it's a made-up scheme that the module doesn't know "
|
||
"about. This change may break code that worked around the old behaviour. "
|
||
"For example, Python 2.6.4 or 2.5 will return the following:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1663 ../Doc/whatsnew/2.7.rst:2523
|
||
msgid "Python 2.7 (and Python 2.6.5) will return:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1672 ../Doc/whatsnew/2.7.rst:2532
|
||
msgid ""
|
||
"(Python 2.7 actually produces slightly different output, since it returns a "
|
||
"named tuple instead of a standard tuple.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1675
|
||
msgid ""
|
||
"The :mod:`urlparse` module also supports IPv6 literal addresses as defined "
|
||
"by :rfc:`2732` (contributed by Senthil Kumaran; :issue:`2987`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1685
|
||
msgid ""
|
||
"New class: the :class:`~weakref.WeakSet` class in the :mod:`weakref` module "
|
||
"is a set that only holds weak references to its elements; elements will be "
|
||
"removed once there are no references pointing to them. (Originally "
|
||
"implemented in Python 3.x by Raymond Hettinger, and backported to 2.7 by "
|
||
"Michael Foord.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1691
|
||
msgid ""
|
||
"The ElementTree library, :mod:`xml.etree`, no longer escapes ampersands and "
|
||
"angle brackets when outputting an XML processing instruction (which looks "
|
||
"like ``<?xml-stylesheet href=\"#style1\"?>``) or comment (which looks like "
|
||
"``<!-- comment -->``). (Patch by Neil Muller; :issue:`2746`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1697
|
||
msgid ""
|
||
"The XML-RPC client and server, provided by the :mod:`xmlrpclib` and :mod:"
|
||
"`SimpleXMLRPCServer` modules, have improved performance by supporting "
|
||
"HTTP/1.1 keep-alive and by optionally using gzip encoding to compress the "
|
||
"XML being exchanged. The gzip compression is controlled by the :attr:"
|
||
"`encode_threshold` attribute of :class:`SimpleXMLRPCRequestHandler`, which "
|
||
"contains a size in bytes; responses larger than this will be compressed. "
|
||
"(Contributed by Kristján Valur Jónsson; :issue:`6267`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1706
|
||
msgid ""
|
||
"The :mod:`zipfile` module's :class:`~zipfile.ZipFile` now supports the "
|
||
"context management protocol, so you can write ``with zipfile.ZipFile(...) as "
|
||
"f:``. (Contributed by Brian Curtin; :issue:`5511`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1710
|
||
msgid ""
|
||
":mod:`zipfile` now also supports archiving empty directories and extracts "
|
||
"them correctly. (Fixed by Kuba Wieczorek; :issue:`4710`.) Reading files out "
|
||
"of an archive is faster, and interleaving :meth:`~zipfile.ZipFile.read` and :"
|
||
"meth:`~zipfile.ZipFile.readline` now works correctly. (Contributed by Nir "
|
||
"Aides; :issue:`7610`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1716
|
||
msgid ""
|
||
"The :func:`~zipfile.is_zipfile` function now accepts a file object, in "
|
||
"addition to the path names accepted in earlier versions. (Contributed by "
|
||
"Gabriel Genellina; :issue:`4756`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1720
|
||
msgid ""
|
||
"The :meth:`~zipfile.ZipFile.writestr` method now has an optional "
|
||
"*compress_type* parameter that lets you override the default compression "
|
||
"method specified in the :class:`~zipfile.ZipFile` constructor. (Contributed "
|
||
"by Ronald Oussoren; :issue:`6003`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1733
|
||
msgid "New module: importlib"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1735
|
||
msgid ""
|
||
"Python 3.1 includes the :mod:`importlib` package, a re-implementation of the "
|
||
"logic underlying Python's :keyword:`import` statement. :mod:`importlib` is "
|
||
"useful for implementors of Python interpreters and to users who wish to "
|
||
"write new importers that can participate in the import process. Python 2.7 "
|
||
"doesn't contain the complete :mod:`importlib` package, but instead has a "
|
||
"tiny subset that contains a single function, :func:`~importlib."
|
||
"import_module`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1743
|
||
msgid ""
|
||
"``import_module(name, package=None)`` imports a module. *name* is a string "
|
||
"containing the module or package's name. It's possible to do relative "
|
||
"imports by providing a string that begins with a ``.`` character, such as "
|
||
"``..utils.errors``. For relative imports, the *package* argument must be "
|
||
"provided and is the name of the package that will be used as the anchor for "
|
||
"the relative import. :func:`~importlib.import_module` both inserts the "
|
||
"imported module into ``sys.modules`` and returns the module object."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1752
|
||
msgid "Here are some examples::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1763
|
||
msgid ""
|
||
":mod:`importlib` was implemented by Brett Cannon and introduced in Python "
|
||
"3.1."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1768
|
||
msgid "New module: sysconfig"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1770
|
||
msgid ""
|
||
"The :mod:`sysconfig` module has been pulled out of the Distutils package, "
|
||
"becoming a new top-level module in its own right. :mod:`sysconfig` provides "
|
||
"functions for getting information about Python's build process: compiler "
|
||
"switches, installation paths, the platform name, and whether Python is "
|
||
"running from its source directory."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1777
|
||
msgid "Some of the functions in the module are:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1779
|
||
msgid ""
|
||
":func:`~sysconfig.get_config_var` returns variables from Python's Makefile "
|
||
"and the :file:`pyconfig.h` file."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1781
|
||
msgid ""
|
||
":func:`~sysconfig.get_config_vars` returns a dictionary containing all of "
|
||
"the configuration variables."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1783
|
||
msgid ""
|
||
":func:`~sysconfig.get_path` returns the configured path for a particular "
|
||
"type of module: the standard library, site-specific modules, platform-"
|
||
"specific modules, etc."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1786
|
||
msgid ""
|
||
":func:`~sysconfig.is_python_build` returns true if you're running a binary "
|
||
"from a Python source tree, and false otherwise."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1789
|
||
msgid ""
|
||
"Consult the :mod:`sysconfig` documentation for more details and for a "
|
||
"complete list of functions."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1792
|
||
msgid ""
|
||
"The Distutils package and :mod:`sysconfig` are now maintained by Tarek "
|
||
"Ziadé, who has also started a Distutils2 package (source repository at "
|
||
"https://hg.python.org/distutils2/) for developing a next-generation version "
|
||
"of Distutils."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1799
|
||
msgid "ttk: Themed Widgets for Tk"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1801
|
||
msgid ""
|
||
"Tcl/Tk 8.5 includes a set of themed widgets that re-implement basic Tk "
|
||
"widgets but have a more customizable appearance and can therefore more "
|
||
"closely resemble the native platform's widgets. This widget set was "
|
||
"originally called Tile, but was renamed to Ttk (for \"themed Tk\") on being "
|
||
"added to Tcl/Tck release 8.5."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1807
|
||
msgid ""
|
||
"To learn more, read the :mod:`ttk` module documentation. You may also wish "
|
||
"to read the Tcl/Tk manual page describing the Ttk theme engine, available at "
|
||
"https://www.tcl.tk/man/tcl8.5/TkCmd/ttk_intro.htm. Some screenshots of the "
|
||
"Python/Ttk code in use are at https://code.google.com/archive/p/python-ttk/"
|
||
"wikis/Screenshots.wiki."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1814
|
||
msgid ""
|
||
"The :mod:`ttk` module was written by Guilherme Polo and added in :issue:"
|
||
"`2983`. An alternate version called ``Tile.py``, written by Martin Franklin "
|
||
"and maintained by Kevin Walzer, was proposed for inclusion in :issue:`2618`, "
|
||
"but the authors argued that Guilherme Polo's work was more comprehensive."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1824
|
||
msgid "Updated module: unittest"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1826
|
||
msgid ""
|
||
"The :mod:`unittest` module was greatly enhanced; many new features were "
|
||
"added. Most of these features were implemented by Michael Foord, unless "
|
||
"otherwise noted. The enhanced version of the module is downloadable "
|
||
"separately for use with Python versions 2.4 to 2.6, packaged as the :mod:"
|
||
"`unittest2` package, from https://pypi.org/project/unittest2."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1833
|
||
msgid ""
|
||
"When used from the command line, the module can automatically discover "
|
||
"tests. It's not as fancy as `py.test <http://pytest.org>`__ or `nose "
|
||
"<https://nose.readthedocs.io/>`__, but provides a simple way to run tests "
|
||
"kept within a set of package directories. For example, the following "
|
||
"command will search the :file:`test/` subdirectory for any importable test "
|
||
"files named ``test*.py``::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1842
|
||
msgid ""
|
||
"Consult the :mod:`unittest` module documentation for more details. "
|
||
"(Developed in :issue:`6001`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1845
|
||
msgid "The :func:`~unittest.main` function supports some other new options:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1847
|
||
msgid ""
|
||
":option:`-b <unittest -b>` or :option:`!--buffer` will buffer the standard "
|
||
"output and standard error streams during each test. If the test passes, any "
|
||
"resulting output will be discarded; on failure, the buffered output will be "
|
||
"displayed."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1852
|
||
msgid ""
|
||
":option:`-c <unittest -c>` or :option:`!--catch` will cause the control-C "
|
||
"interrupt to be handled more gracefully. Instead of interrupting the test "
|
||
"process immediately, the currently running test will be completed and then "
|
||
"the partial results up to the interruption will be reported. If you're "
|
||
"impatient, a second press of control-C will cause an immediate interruption."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1859
|
||
msgid ""
|
||
"This control-C handler tries to avoid causing problems when the code being "
|
||
"tested or the tests being run have defined a signal handler of their own, by "
|
||
"noticing that a signal handler was already set and calling it. If this "
|
||
"doesn't work for you, there's a :func:`~unittest.removeHandler` decorator "
|
||
"that can be used to mark tests that should have the control-C handling "
|
||
"disabled."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1866
|
||
msgid ""
|
||
":option:`-f <unittest -f>` or :option:`!--failfast` makes test execution "
|
||
"stop immediately when a test fails instead of continuing to execute further "
|
||
"tests. (Suggested by Cliff Dyer and implemented by Michael Foord; :issue:"
|
||
"`8074`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1871
|
||
msgid ""
|
||
"The progress messages now show 'x' for expected failures and 'u' for "
|
||
"unexpected successes when run in verbose mode. (Contributed by Benjamin "
|
||
"Peterson.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1875
|
||
msgid ""
|
||
"Test cases can raise the :exc:`~unittest.SkipTest` exception to skip a test "
|
||
"(:issue:`1034053`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1878
|
||
msgid ""
|
||
"The error messages for :meth:`~unittest.TestCase.assertEqual`, :meth:"
|
||
"`~unittest.TestCase.assertTrue`, and :meth:`~unittest.TestCase.assertFalse` "
|
||
"failures now provide more information. If you set the :attr:`~unittest."
|
||
"TestCase.longMessage` attribute of your :class:`~unittest.TestCase` classes "
|
||
"to true, both the standard error message and any additional message you "
|
||
"provide will be printed for failures. (Added by Michael Foord; :issue:"
|
||
"`5663`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1885
|
||
msgid ""
|
||
"The :meth:`~unittest.TestCase.assertRaises` method now returns a context "
|
||
"handler when called without providing a callable object to run. For "
|
||
"example, you can write this::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1892
|
||
msgid "(Implemented by Antoine Pitrou; :issue:`4444`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1896
|
||
msgid ""
|
||
"Module- and class-level setup and teardown fixtures are now supported. "
|
||
"Modules can contain :func:`~unittest.setUpModule` and :func:`~unittest."
|
||
"tearDownModule` functions. Classes can have :meth:`~unittest.TestCase."
|
||
"setUpClass` and :meth:`~unittest.TestCase.tearDownClass` methods that must "
|
||
"be defined as class methods (using ``@classmethod`` or equivalent). These "
|
||
"functions and methods are invoked when the test runner switches to a test "
|
||
"case in a different module or class."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1904
|
||
msgid ""
|
||
"The methods :meth:`~unittest.TestCase.addCleanup` and :meth:`~unittest."
|
||
"TestCase.doCleanups` were added. :meth:`~unittest.TestCase.addCleanup` lets "
|
||
"you add cleanup functions that will be called unconditionally (after :meth:"
|
||
"`~unittest.TestCase.setUp` if :meth:`~unittest.TestCase.setUp` fails, "
|
||
"otherwise after :meth:`~unittest.TestCase.tearDown`). This allows for much "
|
||
"simpler resource allocation and deallocation during tests (:issue:`5679`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1912
|
||
msgid ""
|
||
"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 GvR worked on merging them into "
|
||
"Python's version of :mod:`unittest`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1917
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertIsNone` and :meth:`~unittest.TestCase."
|
||
"assertIsNotNone` take one expression and verify that the result is or is not "
|
||
"``None``."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1920
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertIs` and :meth:`~unittest.TestCase."
|
||
"assertIsNot` take two values and check whether the two values evaluate to "
|
||
"the same object or not. (Added by Michael Foord; :issue:`2578`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1924
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertIsInstance` and :meth:`~unittest.TestCase."
|
||
"assertNotIsInstance` check whether the resulting object is an instance of a "
|
||
"particular class, or of one of a tuple of classes. (Added by Georg Brandl; :"
|
||
"issue:`7031`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1929
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertGreater`, :meth:`~unittest.TestCase."
|
||
"assertGreaterEqual`, :meth:`~unittest.TestCase.assertLess`, and :meth:"
|
||
"`~unittest.TestCase.assertLessEqual` compare two quantities."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1933
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertMultiLineEqual` compares two strings, and if "
|
||
"they're not equal, displays a helpful comparison that highlights the "
|
||
"differences in the two strings. This comparison is now used by default when "
|
||
"Unicode strings are compared with :meth:`~unittest.TestCase.assertEqual`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1938
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertRegexpMatches` and :meth:`~unittest.TestCase."
|
||
"assertNotRegexpMatches` checks whether the first argument is a string "
|
||
"matching or not matching the regular expression provided as the second "
|
||
"argument (:issue:`8038`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1943
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertRaisesRegexp` checks whether a particular "
|
||
"exception is raised, and then also checks that the string representation of "
|
||
"the exception matches the provided regular expression."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1947
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertIn` and :meth:`~unittest.TestCase."
|
||
"assertNotIn` tests whether *first* is or is not in *second*."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1950
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertItemsEqual` tests whether two provided "
|
||
"sequences contain the same elements."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1953
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertSetEqual` compares whether two sets are "
|
||
"equal, and only reports the differences between the sets in case of error."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1956
|
||
msgid ""
|
||
"Similarly, :meth:`~unittest.TestCase.assertListEqual` and :meth:`~unittest."
|
||
"TestCase.assertTupleEqual` compare the specified types and explain any "
|
||
"differences without necessarily printing their full values; these methods "
|
||
"are now used by default when comparing lists and tuples using :meth:"
|
||
"`~unittest.TestCase.assertEqual`. More generally, :meth:`~unittest.TestCase."
|
||
"assertSequenceEqual` compares two sequences and can optionally check whether "
|
||
"both sequences are of a particular type."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1964
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertDictEqual` compares two dictionaries and "
|
||
"reports the differences; it's now used by default when you compare two "
|
||
"dictionaries using :meth:`~unittest.TestCase.assertEqual`. :meth:`~unittest."
|
||
"TestCase.assertDictContainsSubset` checks whether all of the key/value pairs "
|
||
"in *first* are found in *second*."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1969
|
||
msgid ""
|
||
":meth:`~unittest.TestCase.assertAlmostEqual` and :meth:`~unittest.TestCase."
|
||
"assertNotAlmostEqual` test whether *first* and *second* are approximately "
|
||
"equal. This method can either round their difference to an optionally-"
|
||
"specified number of *places* (the default is 7) and compare it to zero, or "
|
||
"require the difference to be smaller than a supplied *delta* value."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1975
|
||
msgid ""
|
||
":meth:`~unittest.TestLoader.loadTestsFromName` properly honors the :attr:"
|
||
"`~unittest.TestLoader.suiteClass` attribute of the :class:`~unittest."
|
||
"TestLoader`. (Fixed by Mark Roddy; :issue:`6866`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1979
|
||
msgid ""
|
||
"A new hook lets you extend the :meth:`~unittest.TestCase.assertEqual` method "
|
||
"to handle new data types. The :meth:`~unittest.TestCase."
|
||
"addTypeEqualityFunc` method takes a type object and a function. The function "
|
||
"will be used when both of the objects being compared are of the specified "
|
||
"type. This function should compare the two objects and raise an exception "
|
||
"if they don't match; it's a good idea for the function to provide additional "
|
||
"information about why the two objects aren't matching, much as the new "
|
||
"sequence comparison methods do."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1988
|
||
msgid ""
|
||
":func:`unittest.main` now takes an optional ``exit`` argument. If false, :"
|
||
"func:`~unittest.main` doesn't call :func:`sys.exit`, allowing :func:"
|
||
"`~unittest.main` to be used from the interactive interpreter. (Contributed "
|
||
"by J. Pablo Fernández; :issue:`3379`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1993
|
||
msgid ""
|
||
":class:`~unittest.TestResult` has new :meth:`~unittest.TestResult."
|
||
"startTestRun` and :meth:`~unittest.TestResult.stopTestRun` methods that are "
|
||
"called immediately before and after a test run. (Contributed by Robert "
|
||
"Collins; :issue:`5728`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:1997
|
||
msgid ""
|
||
"With all these changes, the :file:`unittest.py` was becoming awkwardly "
|
||
"large, so the module was turned into a package and the code split into "
|
||
"several files (by Benjamin Peterson). This doesn't affect how the module is "
|
||
"imported or used."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2005
|
||
msgid "http://www.voidspace.org.uk/python/articles/unittest2.shtml"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2005
|
||
msgid ""
|
||
"Describes the new features, how to use them, and the rationale for various "
|
||
"design decisions. (By Michael Foord.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2011
|
||
msgid "Updated module: ElementTree 1.3"
|
||
msgstr "Module mis-à-jour : ElementTree 1.3"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2013
|
||
msgid ""
|
||
"The version of the ElementTree library included with Python was updated to "
|
||
"version 1.3. Some of the new features are:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2016
|
||
msgid ""
|
||
"The various parsing functions now take a *parser* keyword argument giving "
|
||
"an :class:`~xml.etree.ElementTree.XMLParser` instance that will be used. "
|
||
"This makes it possible to override the file's internal encoding::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2023
|
||
msgid ""
|
||
"Errors in parsing XML now raise a :exc:`ParseError` exception, whose "
|
||
"instances have a :attr:`position` attribute containing a (*line*, *column*) "
|
||
"tuple giving the location of the problem."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2027
|
||
msgid ""
|
||
"ElementTree's code for converting trees to a string has been significantly "
|
||
"reworked, making it roughly twice as fast in many cases. The :meth:"
|
||
"`ElementTree.write() <xml.etree.ElementTree.ElementTree.write>` and :meth:"
|
||
"`Element.write` methods now have a *method* parameter that can be \"xml"
|
||
"\" (the default), \"html\", or \"text\". HTML mode will output empty "
|
||
"elements as ``<empty></empty>`` instead of ``<empty/>``, and text mode will "
|
||
"skip over elements and only output the text chunks. If you set the :attr:"
|
||
"`tag` attribute of an element to ``None`` but leave its children in place, "
|
||
"the element will be omitted when the tree is written out, so you don't need "
|
||
"to do more extensive rearrangement to remove a single element."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2039
|
||
msgid ""
|
||
"Namespace handling has also been improved. All ``xmlns:<whatever>`` "
|
||
"declarations are now output on the root element, not scattered throughout "
|
||
"the resulting XML. You can set the default namespace for a tree by setting "
|
||
"the :attr:`default_namespace` attribute and can register new prefixes with :"
|
||
"meth:`~xml.etree.ElementTree.register_namespace`. In XML mode, you can use "
|
||
"the true/false *xml_declaration* parameter to suppress the XML declaration."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2047
|
||
msgid ""
|
||
"New :class:`~xml.etree.ElementTree.Element` method: :meth:`~xml.etree."
|
||
"ElementTree.Element.extend` appends the items from a sequence to the "
|
||
"element's children. Elements themselves behave like sequences, so it's easy "
|
||
"to move children from one element to another::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2064
|
||
msgid ""
|
||
"New :class:`Element` method: :meth:`~xml.etree.ElementTree.Element.iter` "
|
||
"yields the children of the element as a generator. It's also possible to "
|
||
"write ``for child in elem:`` to loop over an element's children. The "
|
||
"existing method :meth:`getiterator` is now deprecated, as is :meth:"
|
||
"`getchildren` which constructs and returns a list of children."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2071
|
||
msgid ""
|
||
"New :class:`Element` method: :meth:`~xml.etree.ElementTree.Element.itertext` "
|
||
"yields all chunks of text that are descendants of the element. For example::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2082
|
||
msgid ""
|
||
"Deprecated: using an element as a Boolean (i.e., ``if elem:``) would return "
|
||
"true if the element had any children, or false if there were no children. "
|
||
"This behaviour is confusing -- ``None`` is false, but so is a childless "
|
||
"element? -- so it will now trigger a :exc:`FutureWarning`. In your code, "
|
||
"you should be explicit: write ``len(elem) != 0`` if you're interested in the "
|
||
"number of children, or ``elem is not None``."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2090
|
||
msgid ""
|
||
"Fredrik Lundh develops ElementTree and produced the 1.3 version; you can "
|
||
"read his article describing 1.3 at http://effbot.org/zone/elementtree-13-"
|
||
"intro.htm. Florent Xicluna updated the version included with Python, after "
|
||
"discussions on python-dev and in :issue:`6472`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2100
|
||
msgid "Build and C API Changes"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2102
|
||
msgid "Changes to Python's build process and to the C API include:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2104
|
||
msgid ""
|
||
"The latest release of the GNU Debugger, GDB 7, can be `scripted using Python "
|
||
"<https://sourceware.org/gdb/current/onlinedocs/gdb/Python.html>`__. When you "
|
||
"begin debugging an executable program P, GDB will look for a file named ``P-"
|
||
"gdb.py`` and automatically read it. Dave Malcolm contributed a :file:"
|
||
"`python-gdb.py` that adds a number of commands useful when debugging Python "
|
||
"itself. For example, ``py-up`` and ``py-down`` go up or down one Python "
|
||
"stack frame, which usually corresponds to several C stack frames. ``py-"
|
||
"print`` prints the value of a Python variable, and ``py-bt`` prints the "
|
||
"Python stack trace. (Added as a result of :issue:`8032`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2116
|
||
msgid ""
|
||
"If you use the :file:`.gdbinit` file provided with Python, the \"pyo\" macro "
|
||
"in the 2.7 version now works correctly when the thread being debugged "
|
||
"doesn't hold the GIL; the macro now acquires it before printing. "
|
||
"(Contributed by Victor Stinner; :issue:`3632`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2121
|
||
msgid ""
|
||
":c:func:`Py_AddPendingCall` is now thread-safe, letting any worker thread "
|
||
"submit notifications to the main Python thread. This is particularly useful "
|
||
"for asynchronous IO operations. (Contributed by Kristján Valur Jónsson; :"
|
||
"issue:`4293`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2126
|
||
msgid ""
|
||
"New function: :c:func:`PyCode_NewEmpty` creates an empty code object; only "
|
||
"the filename, function name, and first line number are required. This is "
|
||
"useful for extension modules that are attempting to construct a more useful "
|
||
"traceback stack. Previously such extensions needed to call :c:func:"
|
||
"`PyCode_New`, which had many more arguments. (Added by Jeffrey Yasskin.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2133
|
||
msgid ""
|
||
"New function: :c:func:`PyErr_NewExceptionWithDoc` creates a new exception "
|
||
"class, just as the existing :c:func:`PyErr_NewException` does, but takes an "
|
||
"extra ``char *`` argument containing the docstring for the new exception "
|
||
"class. (Added by 'lekma' on the Python bug tracker; :issue:`7033`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2139
|
||
msgid ""
|
||
"New function: :c:func:`PyFrame_GetLineNumber` takes a frame object and "
|
||
"returns the line number that the frame is currently executing. Previously "
|
||
"code would need to get the index of the bytecode instruction currently "
|
||
"executing, and then look up the line number corresponding to that address. "
|
||
"(Added by Jeffrey Yasskin.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2145
|
||
msgid ""
|
||
"New functions: :c:func:`PyLong_AsLongAndOverflow` and :c:func:"
|
||
"`PyLong_AsLongLongAndOverflow` approximates a Python long integer as a C :c:"
|
||
"type:`long` or :c:type:`long long`. If the number is too large to fit into "
|
||
"the output type, an *overflow* flag is set and returned to the caller. "
|
||
"(Contributed by Case Van Horsen; :issue:`7528` and :issue:`7767`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2152
|
||
msgid ""
|
||
"New function: stemming from the rewrite of string-to-float conversion, a "
|
||
"new :c:func:`PyOS_string_to_double` function was added. The old :c:func:"
|
||
"`PyOS_ascii_strtod` and :c:func:`PyOS_ascii_atof` functions are now "
|
||
"deprecated."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2157
|
||
msgid ""
|
||
"New function: :c:func:`PySys_SetArgvEx` sets the value of ``sys.argv`` and "
|
||
"can optionally update ``sys.path`` to include the directory containing the "
|
||
"script named by ``sys.argv[0]`` depending on the value of an *updatepath* "
|
||
"parameter."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2162
|
||
msgid ""
|
||
"This function was added to close a security hole for applications that embed "
|
||
"Python. The old function, :c:func:`PySys_SetArgv`, would always update "
|
||
"``sys.path``, and sometimes it would add the current directory. This meant "
|
||
"that, if you ran an application embedding Python in a directory controlled "
|
||
"by someone else, attackers could put a Trojan-horse module in the directory "
|
||
"(say, a file named :file:`os.py`) that your application would then import "
|
||
"and run."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2170
|
||
msgid ""
|
||
"If you maintain a C/C++ application that embeds Python, check whether you're "
|
||
"calling :c:func:`PySys_SetArgv` and carefully consider whether the "
|
||
"application should be using :c:func:`PySys_SetArgvEx` with *updatepath* set "
|
||
"to false."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2175
|
||
msgid ""
|
||
"Security issue reported as `CVE-2008-5983 <https://cve.mitre.org/cgi-bin/"
|
||
"cvename.cgi?name=CVE-2008-5983>`_; discussed in :issue:`5753`, and fixed by "
|
||
"Antoine Pitrou."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2179
|
||
msgid ""
|
||
"New macros: the Python header files now define the following macros: :c:"
|
||
"macro:`Py_ISALNUM`, :c:macro:`Py_ISALPHA`, :c:macro:`Py_ISDIGIT`, :c:macro:"
|
||
"`Py_ISLOWER`, :c:macro:`Py_ISSPACE`, :c:macro:`Py_ISUPPER`, :c:macro:"
|
||
"`Py_ISXDIGIT`, :c:macro:`Py_TOLOWER`, and :c:macro:`Py_TOUPPER`. All of "
|
||
"these functions are analogous to the C standard macros for classifying "
|
||
"characters, but ignore the current locale setting, because in several places "
|
||
"Python needs to analyze characters in a locale-independent way. (Added by "
|
||
"Eric Smith; :issue:`5793`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2197
|
||
msgid ""
|
||
"Removed function: :c:macro:`PyEval_CallObject` is now only available as a "
|
||
"macro. A function version was being kept around to preserve ABI linking "
|
||
"compatibility, but that was in 1997; it can certainly be deleted by now. "
|
||
"(Removed by Antoine Pitrou; :issue:`8276`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2202
|
||
msgid ""
|
||
"New format codes: the :c:func:`PyFormat_FromString`, :c:func:"
|
||
"`PyFormat_FromStringV`, and :c:func:`PyErr_Format` functions now accept ``"
|
||
"%lld`` and ``%llu`` format codes for displaying C's :c:type:`long long` "
|
||
"types. (Contributed by Mark Dickinson; :issue:`7228`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2208
|
||
msgid ""
|
||
"The complicated interaction between threads and process forking has been "
|
||
"changed. Previously, the child process created by :func:`os.fork` might "
|
||
"fail because the child is created with only a single thread running, the "
|
||
"thread performing the :func:`os.fork`. If other threads were holding a lock, "
|
||
"such as Python's import lock, when the fork was performed, the lock would "
|
||
"still be marked as \"held\" in the new process. But in the child process "
|
||
"nothing would ever release the lock, since the other threads weren't "
|
||
"replicated, and the child process would no longer be able to perform imports."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2218
|
||
msgid ""
|
||
"Python 2.7 acquires the import lock before performing an :func:`os.fork`, "
|
||
"and will also clean up any locks created using the :mod:`threading` module. "
|
||
"C extension modules that have internal locks, or that call :c:func:`fork()` "
|
||
"themselves, will not benefit from this clean-up."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2224
|
||
msgid "(Fixed by Thomas Wouters; :issue:`1590864`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2226
|
||
msgid ""
|
||
"The :c:func:`Py_Finalize` function now calls the internal :func:`threading."
|
||
"_shutdown` function; this prevents some exceptions from being raised when an "
|
||
"interpreter shuts down. (Patch by Adam Olsen; :issue:`1722344`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2231
|
||
msgid ""
|
||
"When using the :c:type:`PyMemberDef` structure to define attributes of a "
|
||
"type, Python will no longer let you try to delete or set a :const:"
|
||
"`T_STRING_INPLACE` attribute."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2237
|
||
msgid ""
|
||
"Global symbols defined by the :mod:`ctypes` module are now prefixed with "
|
||
"``Py``, or with ``_ctypes``. (Implemented by Thomas Heller; :issue:`3102`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2241
|
||
msgid ""
|
||
"New configure option: the :option:`!--with-system-expat` switch allows "
|
||
"building the :mod:`pyexpat` module to use the system Expat library. "
|
||
"(Contributed by Arfrever Frehtes Taifersar Arahesis; :issue:`7609`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2245
|
||
msgid ""
|
||
"New configure option: the :option:`!--with-valgrind` option will now disable "
|
||
"the pymalloc allocator, which is difficult for the Valgrind memory-error "
|
||
"detector to analyze correctly. Valgrind will therefore be better at "
|
||
"detecting memory leaks and overruns. (Contributed by James Henstridge; :"
|
||
"issue:`2422`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2252
|
||
msgid ""
|
||
"New configure option: you can now supply an empty string to :option:`!--with-"
|
||
"dbmliborder=` in order to disable all of the various DBM modules. (Added by "
|
||
"Arfrever Frehtes Taifersar Arahesis; :issue:`6491`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2257
|
||
msgid ""
|
||
"The :program:`configure` script now checks for floating-point rounding bugs "
|
||
"on certain 32-bit Intel chips and defines a :c:macro:`X87_DOUBLE_ROUNDING` "
|
||
"preprocessor definition. No code currently uses this definition, but it's "
|
||
"available if anyone wishes to use it. (Added by Mark Dickinson; :issue:"
|
||
"`2937`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2263
|
||
msgid ""
|
||
":program:`configure` also now sets a :envvar:`LDCXXSHARED` Makefile variable "
|
||
"for supporting C++ linking. (Contributed by Arfrever Frehtes Taifersar "
|
||
"Arahesis; :issue:`1222585`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2267
|
||
msgid ""
|
||
"The build process now creates the necessary files for pkg-config support. "
|
||
"(Contributed by Clinton Roy; :issue:`3585`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2270
|
||
msgid ""
|
||
"The build process now supports Subversion 1.7. (Contributed by Arfrever "
|
||
"Frehtes Taifersar Arahesis; :issue:`6094`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2277
|
||
msgid "Capsules"
|
||
msgstr "Capsules"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2279
|
||
msgid ""
|
||
"Python 3.1 adds a new C datatype, :c:type:`PyCapsule`, for providing a C API "
|
||
"to an extension module. A capsule is essentially the holder of a C ``void "
|
||
"*`` pointer, and is made available as a module attribute; for example, the :"
|
||
"mod:`socket` module's API is exposed as ``socket.CAPI``, and :mod:"
|
||
"`unicodedata` exposes ``ucnhash_CAPI``. Other extensions can import the "
|
||
"module, access its dictionary to get the capsule object, and then get the "
|
||
"``void *`` pointer, which will usually point to an array of pointers to the "
|
||
"module's various API functions."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2288
|
||
msgid ""
|
||
"There is an existing data type already used for this, :c:type:`PyCObject`, "
|
||
"but it doesn't provide type safety. Evil code written in pure Python could "
|
||
"cause a segmentation fault by taking a :c:type:`PyCObject` from module A and "
|
||
"somehow substituting it for the :c:type:`PyCObject` in module B. Capsules "
|
||
"know their own name, and getting the pointer requires providing the name:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2306
|
||
msgid ""
|
||
"You are assured that ``vtable`` points to whatever you're expecting. If a "
|
||
"different capsule was passed in, :c:func:`PyCapsule_IsValid` would detect "
|
||
"the mismatched name and return false. Refer to :ref:`using-capsules` for "
|
||
"more information on using these objects."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2311
|
||
msgid ""
|
||
"Python 2.7 now uses capsules internally to provide various extension-module "
|
||
"APIs, but the :c:func:`PyCObject_AsVoidPtr` was modified to handle capsules, "
|
||
"preserving compile-time compatibility with the :c:type:`CObject` interface. "
|
||
"Use of :c:func:`PyCObject_AsVoidPtr` will signal a :exc:"
|
||
"`PendingDeprecationWarning`, which is silent by default."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2318
|
||
msgid ""
|
||
"Implemented in Python 3.1 and backported to 2.7 by Larry Hastings; discussed "
|
||
"in :issue:`5630`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2325
|
||
msgid "Port-Specific Changes: Windows"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2327
|
||
msgid ""
|
||
"The :mod:`msvcrt` module now contains some constants from the :file:"
|
||
"`crtassem.h` header file: :data:`CRT_ASSEMBLY_VERSION`, :data:"
|
||
"`VC_ASSEMBLY_PUBLICKEYTOKEN`, and :data:`LIBRARIES_ASSEMBLY_NAME_PREFIX`. "
|
||
"(Contributed by David Cournapeau; :issue:`4365`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2334
|
||
msgid ""
|
||
"The :mod:`_winreg` module for accessing the registry now implements the :"
|
||
"func:`~_winreg.CreateKeyEx` and :func:`~_winreg.DeleteKeyEx` functions, "
|
||
"extended versions of previously-supported functions that take several extra "
|
||
"arguments. The :func:`~_winreg.DisableReflectionKey`, :func:`~_winreg."
|
||
"EnableReflectionKey`, and :func:`~_winreg.QueryReflectionKey` were also "
|
||
"tested and documented. (Implemented by Brian Curtin: :issue:`7347`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2342
|
||
msgid ""
|
||
"The new :c:func:`_beginthreadex` API is used to start threads, and the "
|
||
"native thread-local storage functions are now used. (Contributed by Kristján "
|
||
"Valur Jónsson; :issue:`3582`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2346
|
||
msgid ""
|
||
"The :func:`os.kill` function now works on Windows. The signal value can be "
|
||
"the constants :const:`CTRL_C_EVENT`, :const:`CTRL_BREAK_EVENT`, or any "
|
||
"integer. The first two constants will send :kbd:`Control-C` and :kbd:"
|
||
"`Control-Break` keystroke events to subprocesses; any other value will use "
|
||
"the :c:func:`TerminateProcess` API. (Contributed by Miki Tebeka; :issue:"
|
||
"`1220212`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2353
|
||
msgid ""
|
||
"The :func:`os.listdir` function now correctly fails for an empty path. "
|
||
"(Fixed by Hirokazu Yamamoto; :issue:`5913`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2356
|
||
msgid ""
|
||
"The :mod:`mimelib` module will now read the MIME database from the Windows "
|
||
"registry when initializing. (Patch by Gabriel Genellina; :issue:`4969`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2363
|
||
msgid "Port-Specific Changes: Mac OS X"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2365
|
||
msgid ""
|
||
"The path ``/Library/Python/2.7/site-packages`` is now appended to ``sys."
|
||
"path``, in order to share added packages between the system installation and "
|
||
"a user-installed copy of the same version. (Changed by Ronald Oussoren; :"
|
||
"issue:`4865`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2372
|
||
msgid ""
|
||
"As of 2.7.13, this change was removed. ``/Library/Python/2.7/site-"
|
||
"packages``, the site-packages directory used by the Apple-supplied system "
|
||
"Python 2.7 is no longer appended to ``sys.path`` for user-installed Pythons "
|
||
"such as from the python.org installers. As of macOS 10.12, Apple changed "
|
||
"how the system site-packages directory is configured, which could cause "
|
||
"installation of pip components, like setuptools, to fail. Packages "
|
||
"installed for the system Python will no longer be shared with user-installed "
|
||
"Pythons. (:issue:`28440`)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2383
|
||
msgid "Port-Specific Changes: FreeBSD"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2385
|
||
msgid ""
|
||
"FreeBSD 7.1's :const:`SO_SETFIB` constant, used with :func:`~socket."
|
||
"getsockopt`/:func:`~socket.setsockopt` to select an alternate routing table, "
|
||
"is now available in the :mod:`socket` module. (Added by Kyle VanderBeek; :"
|
||
"issue:`8235`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2391
|
||
msgid "Other Changes and Fixes"
|
||
msgstr "Autres changements et corrections"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2393
|
||
msgid ""
|
||
"Two benchmark scripts, :file:`iobench` and :file:`ccbench`, were added to "
|
||
"the :file:`Tools` directory. :file:`iobench` measures the speed of the "
|
||
"built-in file I/O objects returned by :func:`open` while performing various "
|
||
"operations, and :file:`ccbench` is a concurrency benchmark that tries to "
|
||
"measure computing throughput, thread switching latency, and IO processing "
|
||
"bandwidth when performing several tasks using a varying number of threads."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2401
|
||
msgid ""
|
||
"The :file:`Tools/i18n/msgfmt.py` script now understands plural forms in :"
|
||
"file:`.po` files. (Fixed by Martin von Löwis; :issue:`5464`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2405
|
||
msgid ""
|
||
"When importing a module from a :file:`.pyc` or :file:`.pyo` file with an "
|
||
"existing :file:`.py` counterpart, the :attr:`co_filename` 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`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2412
|
||
msgid ""
|
||
"The :file:`regrtest.py` script now takes a :option:`!--randseed=` switch "
|
||
"that takes an integer that will be used as the random seed for the :option:"
|
||
"`!-r` option that executes tests in random order. The :option:`!-r` option "
|
||
"also reports the seed that was used (Added by Collin Winter.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2418
|
||
msgid ""
|
||
"Another :file:`regrtest.py` switch is :option:`!-j`, which takes an integer "
|
||
"specifying how many tests run in parallel. This allows reducing the total "
|
||
"runtime on multi-core machines. This option is compatible with several other "
|
||
"options, including the :option:`!-R` switch which is known to produce long "
|
||
"runtimes. (Added by Antoine Pitrou, :issue:`6152`.) This can also be used "
|
||
"with a new :option:`!-F` switch that runs selected tests in a loop until "
|
||
"they fail. (Added by Antoine Pitrou; :issue:`7312`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2427
|
||
msgid ""
|
||
"When executed as a script, the :file:`py_compile.py` module now accepts "
|
||
"``'-'`` as an argument, which will read standard input for the list of "
|
||
"filenames to be compiled. (Contributed by Piotr Ożarowski; :issue:`8233`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2435
|
||
msgid "Porting to Python 2.7"
|
||
msgstr "Portage vers Python 2.7"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2437
|
||
msgid ""
|
||
"This section lists previously described changes and other bugfixes that may "
|
||
"require changes to your code:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2440
|
||
msgid ""
|
||
"The :func:`range` function processes its arguments more consistently; it "
|
||
"will now call :meth:`__int__` on non-float, non-integer arguments that are "
|
||
"supplied to it. (Fixed by Alexander Belopolsky; :issue:`1533`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2445
|
||
msgid ""
|
||
"The string :meth:`format` method changed the default precision used for "
|
||
"floating-point and complex numbers from 6 decimal places to 12, which "
|
||
"matches the precision used by :func:`str`. (Changed by Eric Smith; :issue:"
|
||
"`5920`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2450
|
||
msgid ""
|
||
"Because of an optimization for the :keyword:`with` statement, the special "
|
||
"methods :meth:`__enter__` and :meth:`__exit__` must belong to the object's "
|
||
"type, and cannot be directly attached to the object's instance. This "
|
||
"affects new-style classes (derived from :class:`object`) and C extension "
|
||
"types. (:issue:`6101`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2456
|
||
msgid ""
|
||
"Due to a bug in Python 2.6, the *exc_value* parameter to :meth:`__exit__` "
|
||
"methods was often the string representation of the exception, not an "
|
||
"instance. This was fixed in 2.7, so *exc_value* will be an instance as "
|
||
"expected. (Fixed by Florent Xicluna; :issue:`7853`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2466
|
||
msgid "In the standard library:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2468
|
||
msgid ""
|
||
"Operations with :class:`~datetime.datetime` instances that resulted in a "
|
||
"year falling outside the supported range didn't always raise :exc:"
|
||
"`OverflowError`. Such errors are now checked more carefully and will now "
|
||
"raise the exception. (Reported by Mark Leander, patch by Anand B. Pillai and "
|
||
"Alexander Belopolsky; :issue:`7150`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2474
|
||
msgid ""
|
||
"When using :class:`~decimal.Decimal` instances with a string's :meth:"
|
||
"`format` method, the default alignment was previously left-alignment. This "
|
||
"has been changed to right-alignment, which might change the output of your "
|
||
"programs. (Changed by Mark Dickinson; :issue:`6857`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2480
|
||
msgid ""
|
||
"Comparisons involving a signaling NaN value (or ``sNAN``) now signal :const:"
|
||
"`~decimal.InvalidOperation` instead of silently returning a true or false "
|
||
"value depending on the comparison operator. Quiet NaN values (or ``NaN``) "
|
||
"are now hashable. (Fixed by Mark Dickinson; :issue:`7279`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2486
|
||
msgid ""
|
||
"The ElementTree library, :mod:`xml.etree`, no longer escapes ampersands and "
|
||
"angle brackets when outputting an XML processing instruction (which looks "
|
||
"like `<?xml-stylesheet href=\"#style1\"?>`) or comment (which looks like "
|
||
"`<!-- comment -->`). (Patch by Neil Muller; :issue:`2746`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2492
|
||
msgid ""
|
||
"The :meth:`~StringIO.StringIO.readline` method of :class:`~StringIO."
|
||
"StringIO` objects now does nothing when a negative length is requested, as "
|
||
"other file-like objects do. (:issue:`7348`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2535
|
||
msgid "For C extensions:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2537
|
||
msgid ""
|
||
"C extensions that use integer format codes with the ``PyArg_Parse*`` family "
|
||
"of functions will now raise a :exc:`TypeError` exception instead of "
|
||
"triggering a :exc:`DeprecationWarning` (:issue:`5080`)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2541
|
||
msgid ""
|
||
"Use the new :c:func:`PyOS_string_to_double` function instead of the old :c:"
|
||
"func:`PyOS_ascii_strtod` and :c:func:`PyOS_ascii_atof` functions, which are "
|
||
"now deprecated."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2545
|
||
msgid "For applications that embed Python:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2547
|
||
msgid ""
|
||
"The :c:func:`PySys_SetArgvEx` function was added, letting applications close "
|
||
"a security hole when the existing :c:func:`PySys_SetArgv` function was "
|
||
"used. Check whether you're calling :c:func:`PySys_SetArgv` and carefully "
|
||
"consider whether the application should be using :c:func:`PySys_SetArgvEx` "
|
||
"with *updatepath* set to false."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2560
|
||
msgid "New Features Added to Python 2.7 Maintenance Releases"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2562
|
||
msgid ""
|
||
"New features may be added to Python 2.7 maintenance releases when the "
|
||
"situation genuinely calls for it. Any such additions must go through the "
|
||
"Python Enhancement Proposal process, and make a compelling case for why they "
|
||
"can't be adequately addressed by either adding the new feature solely to "
|
||
"Python 3, or else by publishing it on the Python Package Index."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2568
|
||
msgid ""
|
||
"In addition to the specific proposals listed below, there is a general "
|
||
"exemption allowing new ``-3`` warnings to be added in any Python 2.7 "
|
||
"maintenance release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2574
|
||
msgid "Two new environment variables for debug mode"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2576
|
||
msgid ""
|
||
"In debug mode, the ``[xxx refs]`` statistic is not written by default, the :"
|
||
"envvar:`PYTHONSHOWREFCOUNT` environment variable now must also be set. "
|
||
"(Contributed by Victor Stinner; :issue:`31733`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2580
|
||
msgid ""
|
||
"When Python is compiled with ``COUNT_ALLOC`` defined, allocation counts are "
|
||
"no longer dumped by default anymore: the :envvar:`PYTHONSHOWALLOCCOUNT` "
|
||
"environment variable must now also be set. Moreover, allocation counts are "
|
||
"now dumped into stderr, rather than stdout. (Contributed by Victor Stinner; :"
|
||
"issue:`31692`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2589
|
||
msgid "PEP 434: IDLE Enhancement Exception for All Branches"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2591
|
||
msgid ""
|
||
":pep:`434` describes a general exemption for changes made to the IDLE "
|
||
"development environment shipped along with Python. This exemption makes it "
|
||
"possible for the IDLE developers to provide a more consistent user "
|
||
"experience across all supported versions of Python 2 and 3."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2596
|
||
msgid ""
|
||
"For details of any IDLE changes, refer to the NEWS file for the specific "
|
||
"release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2601
|
||
msgid "PEP 466: Network Security Enhancements for Python 2.7"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2603
|
||
msgid ""
|
||
":pep:`466` describes a number of network security enhancement proposals that "
|
||
"have been approved for inclusion in Python 2.7 maintenance releases, with "
|
||
"the first of those changes appearing in the Python 2.7.7 release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2607
|
||
msgid ":pep:`466` related features added in Python 2.7.7:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2609
|
||
msgid ""
|
||
":func:`hmac.compare_digest` was backported from Python 3 to make a timing "
|
||
"attack resistant comparison operation available to Python 2 applications. "
|
||
"(Contributed by Alex Gaynor; :issue:`21306`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2613
|
||
msgid ""
|
||
"OpenSSL 1.0.1g was upgraded in the official Windows installers published on "
|
||
"python.org. (Contributed by Zachary Ware; :issue:`21462`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2616
|
||
msgid ":pep:`466` related features added in Python 2.7.8:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2618
|
||
msgid ""
|
||
":func:`hashlib.pbkdf2_hmac` was backported from Python 3 to make a hashing "
|
||
"algorithm suitable for secure password storage broadly available to Python 2 "
|
||
"applications. (Contributed by Alex Gaynor; :issue:`21304`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2622
|
||
msgid ""
|
||
"OpenSSL 1.0.1h was upgraded for the official Windows installers published on "
|
||
"python.org. (contributed by Zachary Ware in :issue:`21671` for CVE-2014-0224)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2625
|
||
msgid ":pep:`466` related features added in Python 2.7.9:"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2627
|
||
msgid ""
|
||
"Most of Python 3.4's :mod:`ssl` module was backported. This means :mod:`ssl` "
|
||
"now supports Server Name Indication, TLS1.x settings, access to the platform "
|
||
"certificate store, the :class:`~ssl.SSLContext` class, and other features. "
|
||
"(Contributed by Alex Gaynor and David Reid; :issue:`21308`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2632
|
||
msgid ""
|
||
"Refer to the \"Version added: 2.7.9\" notes in the module documentation for "
|
||
"specific details."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2635
|
||
msgid ""
|
||
":func:`os.urandom` was changed to cache a file descriptor to ``/dev/"
|
||
"urandom`` instead of reopening ``/dev/urandom`` on every call. (Contributed "
|
||
"by Alex Gaynor; :issue:`21305`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2639
|
||
msgid ""
|
||
":data:`hashlib.algorithms_guaranteed` and :data:`hashlib."
|
||
"algorithms_available` were backported from Python 3 to make it easier for "
|
||
"Python 2 applications to select the strongest available hash algorithm. "
|
||
"(Contributed by Alex Gaynor in :issue:`21307`)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2646
|
||
msgid "PEP 477: Backport ensurepip (PEP 453) to Python 2.7"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2648
|
||
msgid ""
|
||
":pep:`477` approves the inclusion of the :pep:`453` ensurepip module and the "
|
||
"improved documentation that was enabled by it in the Python 2.7 maintenance "
|
||
"releases, appearing first in the Python 2.7.9 release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2654
|
||
msgid "Bootstrapping pip By Default"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2656
|
||
msgid ""
|
||
"The new :mod:`ensurepip` module (defined in :pep:`453`) provides a standard "
|
||
"cross-platform mechanism to bootstrap the pip installer into Python "
|
||
"installations. The version of ``pip`` included with Python 2.7.9 is ``pip`` "
|
||
"1.5.6, and future 2.7.x maintenance releases will update the bundled version "
|
||
"to the latest version of ``pip`` that is available at the time of creating "
|
||
"the release candidate."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2663
|
||
msgid ""
|
||
"By default, the commands ``pip``, ``pipX`` and ``pipX.Y`` will be installed "
|
||
"on all platforms (where X.Y stands for the version of the Python "
|
||
"installation), along with the ``pip`` Python package and its dependencies."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2667
|
||
msgid ""
|
||
"For CPython :ref:`source builds on POSIX systems <building-python-on-unix>`, "
|
||
"the ``make install`` and ``make altinstall`` commands do not bootstrap "
|
||
"``pip`` by default. This behaviour can be controlled through configure "
|
||
"options, and overridden through Makefile options."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2672
|
||
msgid ""
|
||
"On Windows and Mac OS X, the CPython installers now default to installing "
|
||
"``pip`` along with CPython itself (users may opt out of installing it during "
|
||
"the installation process). Window users will need to opt in to the automatic "
|
||
"``PATH`` modifications to have ``pip`` available from the command line by "
|
||
"default, otherwise it can still be accessed through the Python launcher for "
|
||
"Windows as ``py -m pip``."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2679
|
||
msgid ""
|
||
"As `discussed in the PEP`__, platform packagers may choose not to install "
|
||
"these commands by default, as long as, when invoked, they provide clear and "
|
||
"simple directions on how to install them on that platform (usually using the "
|
||
"system package manager)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2688
|
||
msgid "Documentation Changes"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2690
|
||
msgid ""
|
||
"As part of this change, the :ref:`installing-index` and :ref:`distributing-"
|
||
"index` sections of the documentation have been completely redesigned as "
|
||
"short getting started and FAQ documents. Most packaging documentation has "
|
||
"now been moved out to the Python Packaging Authority maintained `Python "
|
||
"Packaging User Guide <http://packaging.python.org>`__ and the documentation "
|
||
"of the individual projects."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2698
|
||
msgid ""
|
||
"However, as this migration is currently still incomplete, the legacy "
|
||
"versions of those guides remaining available as :ref:`install-index` and :"
|
||
"ref:`distutils-index`."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2705
|
||
msgid ":pep:`453` -- Explicit bootstrapping of pip in Python installations"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2705
|
||
msgid ""
|
||
"PEP written by Donald Stufft and Nick Coghlan, implemented by Donald Stufft, "
|
||
"Nick Coghlan, Martin von Löwis and Ned Deily."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2709
|
||
msgid ""
|
||
"PEP 476: Enabling certificate verification by default for stdlib http clients"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2711
|
||
msgid ""
|
||
":pep:`476` updated :mod:`httplib` and modules which use it, such as :mod:"
|
||
"`urllib2` and :mod:`xmlrpclib`, to now verify that the server presents a "
|
||
"certificate which is signed by a Certificate Authority in the platform trust "
|
||
"store and whose hostname matches the hostname being requested by default, "
|
||
"significantly improving security for many applications. This change was made "
|
||
"in the Python 2.7.9 release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2718
|
||
msgid ""
|
||
"For applications which require the old previous behavior, they can pass an "
|
||
"alternate context::"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2735
|
||
msgid "PEP 493: HTTPS verification migration tools for Python 2.7"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2737
|
||
msgid ""
|
||
":pep:`493` provides additional migration tools to support a more incremental "
|
||
"infrastructure upgrade process for environments containing applications and "
|
||
"services relying on the historically permissive processing of server "
|
||
"certificates when establishing client HTTPS connections. These additions "
|
||
"were made in the Python 2.7.12 release."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2743
|
||
msgid ""
|
||
"These tools are intended for use in cases where affected applications and "
|
||
"services can't be modified to explicitly pass a more permissive SSL context "
|
||
"when establishing the connection."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2747
|
||
msgid ""
|
||
"For applications and services which can't be modified at all, the new "
|
||
"``PYTHONHTTPSVERIFY`` environment variable may be set to ``0`` to revert an "
|
||
"entire Python process back to the default permissive behaviour of Python "
|
||
"2.7.8 and earlier."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2752
|
||
msgid ""
|
||
"For cases where the connection establishment code can't be modified, but the "
|
||
"overall application can be, the new :func:`ssl._https_verify_certificates` "
|
||
"function can be used to adjust the default behaviour at runtime."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2758
|
||
msgid "New ``make regen-all`` build target"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2760
|
||
msgid ""
|
||
"To simplify cross-compilation, and to ensure that CPython can reliably be "
|
||
"compiled without requiring an existing version of Python to already be "
|
||
"available, the autotools-based build system no longer attempts to implicitly "
|
||
"recompile generated files based on file modification times."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2765
|
||
msgid ""
|
||
"Instead, a new ``make regen-all`` command has been added to force "
|
||
"regeneration of these files when desired (e.g. after an initial version of "
|
||
"Python has already been built based on the pregenerated versions)."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2769
|
||
msgid ""
|
||
"More selective regeneration targets are also defined - see :source:`Makefile."
|
||
"pre.in` for details."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2772 ../Doc/whatsnew/2.7.rst:2785
|
||
msgid "(Contributed by Victor Stinner in :issue:`23404`.)"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2778
|
||
msgid "Removal of ``make touch`` build target"
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2780
|
||
msgid ""
|
||
"The ``make touch`` build target previously used to request implicit "
|
||
"regeneration of generated files by updating their modification times has "
|
||
"been removed."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2783
|
||
msgid "It has been replaced by the new ``make regen-all`` target."
|
||
msgstr ""
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2794
|
||
msgid "Acknowledgements"
|
||
msgstr "Remerciements"
|
||
|
||
#: ../Doc/whatsnew/2.7.rst:2796
|
||
msgid ""
|
||
"The author would like to thank the following people for offering "
|
||
"suggestions, corrections and assistance with various drafts of this article: "
|
||
"Nick Coghlan, Philip Jenvey, Ryan Lovett, R. David Murray, Hugh Secker-"
|
||
"Walker."
|
||
msgstr ""
|