mirror of https://github.com/python/cpython
More whatsnew adds, especially the os module.
I went through all the versionchanged/versionadded tags in the os doc page for this changeset.
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R David Murray
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@ -1504,12 +1504,20 @@ os
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:func:`~os.link`, :func:`~os.lstat`, :func:`~os.mkdir`, :func:`~os.mkfifo`,
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:func:`~os.mknod`, :func:`~os.open`, :func:`~os.readlink`, :func:`~os.remove`,
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:func:`~os.rename`, :func:`~os.replace`, :func:`~os.rmdir`, :func:`~os.stat`,
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:func:`~os.symlink`, :func:`~os.unlink`, :func:`~os.utime`.
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:func:`~os.symlink`, :func:`~os.unlink`, :func:`~os.utime`. Platform
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support for using these parameters can be checked via the sets
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:data:`os.supports_dir_fd` and :data:`os.supports_follows_symlinks`.
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- The following functions now support a file descriptor for their path argument:
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:func:`~os.chdir`, :func:`~os.chmod`, :func:`~os.chown`,
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:func:`~os.execve`, :func:`~os.listdir`, :func:`~os.pathconf`, :func:`~os.path.exists`,
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:func:`~os.stat`, :func:`~os.statvfs`, :func:`~os.utime`.
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:func:`~os.stat`, :func:`~os.statvfs`, :func:`~os.utime`. Platform support
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for this can be checked via the :data:`os.supports_fd` set.
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* :func:`~os.access` accepts an ``effective_ids`` keyword argument to turn on
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using the effective uid/gid rather than the real uid/gid in the access check.
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Platform support for this can be checked via the
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:data:`~os.supports_effective_ids` set.
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* The :mod:`os` module has two new functions: :func:`~os.getpriority` and
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:func:`~os.setpriority`. They can be used to get or set process
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@ -1558,7 +1566,7 @@ os
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for a file.
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* :func:`~os.sync`: Force write of everything to disk.
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* Add some extra posix functions to the os module:
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* Additional new posix functions:
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* :func:`~os.lockf`: Apply, test or remove a POSIX lock on an open file descriptor.
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* :func:`~os.pread`: Read from a file descriptor at an offset, the file
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@ -1577,6 +1585,12 @@ os
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* :func:`~os.times` and :func:`~os.uname`: Return type changed from a tuple to
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a tuple-like object with named attributes.
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* Some platforms now support additional constants for the :func:`~os.lseek`
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function, such as ``os.SEEK_HOLE`` and ``os.SEEK_DATA``.
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* :func:`os.symlink` now accepts (and ignores) the ``target_is_directory``
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keyword argument on non-Windows platforms, to ease cross-platform support.
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pdb
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---
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@ -1703,6 +1717,14 @@ signal
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instead of a RuntimeError: OSError has an errno attribute.
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smtp
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----
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:class:`~smtplib.SMTP` now supports the context manager protocol, allowing an
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``SMTP`` instance to be used in a ``with`` statement. (Contributed
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by Giampaolo Rodolà in :issue:`11289`.)
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smtpd
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-----
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@ -1810,6 +1832,18 @@ the form '-rwxrwxrwx'.
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(Contributed by Giampaolo Rodolà in :issue:`14807`)
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subprocess
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----------
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Command strings can now be bytes objects on posix platforms. (Contributed by
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Victor Stiner in :issue:`8513`.)
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A new constant :data:`~subprocess.DEVNULL` allows suppressing output in a
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platform-independent fashion. (Contributed by Ross Lagerwall in
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:issue:`5870`.)
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sys
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---
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@ -1872,10 +1906,11 @@ unittest
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:meth:`.assertRaises`, :meth:`.assertRaisesRegex`, :meth:`.assertWarns`, and
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:meth:`.assertWarnsRegex` now accept a keyword argument *msg* when used as
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context managers.
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(Contributed by Ezio Melotti and Winston Ewert in :issue:`10775`)
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context managers. (Contributed by Ezio Melotti and Winston Ewert in
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:issue:`10775`)
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:meth:`unittest.TestCase.run` now returns the :class:`~unittest.TestResult`
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object.
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urllib
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------
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@ -1993,7 +2028,7 @@ Deprecated Python modules, functions and methods
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* :meth:`ftplib.FTP.nlst` and :meth:`ftplib.FTP.dir`: use
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:meth:`ftplib.FTP.mlsd`
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* :func:`platform.popen`: use the :mod:`subprocess` module. Check especially
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the :ref:`subprocess-replacements` section.
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the :ref:`subprocess-replacements` section (:issue:`11377`).
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* :issue:`13374`: The Windows bytes API has been deprecated in the :mod:`os`
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module. Use Unicode filenames, instead of bytes filenames, to not depend on
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the ANSI code page anymore and to support any filename.
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@ -3690,7 +3690,7 @@ Library
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not installed. Instead, the zipfile.ZIP_STORED compression is used to create
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the ZipFile. Patch by Natalia B. Bidart.
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- Issue #11289: `smtp.SMTP` class becomes a context manager so it can be used
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- Issue #11289: `smtp.SMTP` class is now a context manager so it can be used
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in a `with` statement. Contributed by Giampaolo Rodola.
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- Issue #11554: Fixed support for Japanese codecs; previously the body output
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@ -3702,7 +3702,7 @@ Library
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- Issue #11407: `TestCase.run` returns the result object used or created.
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Contributed by Janathan Hartley.
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- Issue #11500: Fixed a bug in the os x proxy bypass code for fully qualified
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- Issue #11500: Fixed a bug in the OS X proxy bypass code for fully qualified
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IP addresses in the proxy exception list.
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- Issue #11491: dbm.error is no longer raised when dbm.open is called with
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