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Andrew M. Kuchling 2008-08-27 02:12:18 +00:00
parent c9b41106e8
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1 changed files with 20 additions and 8 deletions
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Doc/whatsnew/2.6.rst
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@ -951,6 +951,11 @@ and some of the methods of lists, such as :meth:`append`,
>>> b
bytearray(b'ABCde')
There's also a corresponding C API, with
:cfunc:`PyByteArray_FromObject`,
:cfunc:`PyByteArray_FromStringAndSize`,
and various other functions.
.. seealso::
:pep:`3112` - Bytes literals in Python 3000
@ -993,14 +998,14 @@ the :mod:`io` module:
It supports all of the methods of :class:`RawIOBase`,
and adds a :attr:`raw` attribute holding the underlying raw object.
There are four concrete classes implementing this ABC:
:class:`BufferedWriter` and
:class:`BufferedReader` for objects that only support
writing or reading and don't support random access,
:class:`BufferedRandom` for objects that support the :meth:`seek` method
for random access,
and :class:`BufferedRWPair` for objects such as TTYs that have
both read and write operations that act upon unconnected streams of data.
There are five concrete classes implementing this ABC.
:class:`BufferedWriter` and :class:`BufferedReader` are for objects
that only support writing or reading and don't support random
access. :class:`BufferedRandom` adds the :meth:`seek` method for
random access, and :class:`BufferedRWPair` is for objects such as
TTYs that have both read and write operations that act upon
unconnected streams of data. The :class:`BytesIO`
class supports reading, writing, and seeking over an in-memory buffer.
* :class:`TextIOBase`: Provides functions for reading and writing
strings (remember, strings will be Unicode in Python 3.0),
@ -2807,6 +2812,13 @@ where various combinations of ``(start, stop, step)`` are supplied.
.. Revision 57769
All :mod:`ctypes` data types now support
:meth:`from_buffer` and :meth:`from_buffer_copy`
methods that create a ctypes instance based on a
provided buffer object. :meth:`from_buffer_copy` copies
the contents of the object,
while :meth:`from_buffer` will share the same memory area.
A new calling convention tells :mod:`ctypes` to clear the ``errno`` or
Win32 LastError variables at the outset of each wrapped call.
(Implemented by Thomas Heller; :issue:`1798`.)