traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

whatsnew: 'U' mode deprecation (#15204).

This commit is contained in:
R David Murray 2014-03-09 20:33:35 -04:00
parent 98a6738dca
commit c38f89146d
1 changed files with 13 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
Doc/whatsnew/3.4.rst
View File

@ -1948,6 +1948,11 @@ Deprecations in the Python API
* The :mod:`sysconfig` key ``SO`` is deprecated, it has been replaced by
``EXT_SUFFIX``.
* The ``U`` mode accepted by various ``open`` functions is deprecated.
In Python3 it does not do anything useful, and should be replaced by
appropriate uses of :class:`io.TextIOWrapper` (if needed) and its *newline*
argument.
Deprecations in the C API
-------------------------
@ -2242,7 +2247,14 @@ Changes in the Python API
* Since the *digestmod* argument to the :func:`hmac.new` function will in the
future have no default, all calls to :func:`hmac.new` should be changed to
explicitly specify a *digestmod*. (:issue:`17276`).
explicitly specify a *digestmod* (:issue:`17276`).
* Any calls to ``open`` functions that specify ``U`` should be modified.
``U`` is ineffective in Python3 and will eventually raise an error if used.
Depending on the function, the equivalent of its old Python2 behavior can be
achieved using either a *newline* argument, or if necessary by wrapping the
stream in :mod:`~io.TextIOWrapper` to use its *newline* argument
(:issue:`15204`).
Changes in the C API