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-rw-r--r--Doc/c-api/arg.rst22
-rw-r--r--Doc/c-api/bytes.rst6
2 files changed, 22 insertions, 6 deletions
diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
index 983d113..6d493aa 100644
--- a/Doc/c-api/arg.rst
+++ b/Doc/c-api/arg.rst
@@ -59,8 +59,8 @@ Unless otherwise stated, buffers are not NUL-terminated.
Convert a Unicode object to a C pointer to a character string.
A pointer to an existing string is stored in the character pointer
variable whose address you pass. The C string is NUL-terminated.
- The Python string must not contain embedded NUL bytes; if it does,
- a :exc:`TypeError` exception is raised. Unicode objects are converted
+ The Python string must not contain embedded null characters; if it does,
+ a :exc:`ValueError` exception is raised. Unicode objects are converted
to C strings using ``'utf-8'`` encoding. If this conversion fails, a
:exc:`UnicodeError` is raised.
@@ -71,6 +71,10 @@ Unless otherwise stated, buffers are not NUL-terminated.
preferable to use the ``O&`` format with :c:func:`PyUnicode_FSConverter`
as *converter*.
+ .. versionchanged:: 3.5
+ Previously, :exc:`TypeError` was raised when embedded null characters
+ were encountered in the Python string.
+
``s*`` (:class:`str` or :term:`bytes-like object`) [Py_buffer]
This format accepts Unicode objects as well as bytes-like objects.
It fills a :c:type:`Py_buffer` structure provided by the caller.
@@ -99,9 +103,13 @@ Unless otherwise stated, buffers are not NUL-terminated.
``y`` (read-only :term:`bytes-like object`) [const char \*]
This format converts a bytes-like object to a C pointer to a character
string; it does not accept Unicode objects. The bytes buffer must not
- contain embedded NUL bytes; if it does, a :exc:`TypeError`
+ contain embedded null bytes; if it does, a :exc:`ValueError`
exception is raised.
+ .. versionchanged:: 3.5
+ Previously, :exc:`TypeError` was raised when embedded null bytes were
+ encountered in the bytes buffer.
+
``y*`` (:term:`bytes-like object`) [Py_buffer]
This variant on ``s*`` doesn't accept Unicode objects, only
bytes-like objects. **This is the recommended way to accept
@@ -127,14 +135,18 @@ Unless otherwise stated, buffers are not NUL-terminated.
pointer variable, which will be filled with the pointer to an existing
Unicode buffer. Please note that the width of a :c:type:`Py_UNICODE`
character depends on compilation options (it is either 16 or 32 bits).
- The Python string must not contain embedded NUL characters; if it does,
- a :exc:`TypeError` exception is raised.
+ The Python string must not contain embedded null characters; if it does,
+ a :exc:`ValueError` exception is raised.
.. note::
Since ``u`` doesn't give you back the length of the string, and it
may contain embedded NUL characters, it is recommended to use ``u#``
or ``U`` instead.
+ .. versionchanged:: 3.5
+ Previously, :exc:`TypeError` was raised when embedded null characters
+ were encountered in the Python string.
+
``u#`` (:class:`str`) [Py_UNICODE \*, int]
This variant on ``u`` stores into two C variables, the first one a pointer to a
Unicode data buffer, the second one its length.
diff --git a/Doc/c-api/bytes.rst b/Doc/c-api/bytes.rst
index 23b7128..dcd7088 100644
--- a/Doc/c-api/bytes.rst
+++ b/Doc/c-api/bytes.rst
@@ -158,7 +158,7 @@ called with a non-bytes parameter.
If *length* is *NULL*, the bytes object
may not contain embedded null bytes;
- if it does, the function returns ``-1`` and a :exc:`TypeError` is raised.
+ if it does, the function returns ``-1`` and a :exc:`ValueError` is raised.
The buffer refers to an internal buffer of *obj*, which includes an
additional null byte at the end (not counted in *length*). The data
@@ -167,6 +167,10 @@ called with a non-bytes parameter.
*obj* is not a bytes object at all, :c:func:`PyBytes_AsStringAndSize`
returns ``-1`` and raises :exc:`TypeError`.
+ .. versionchanged:: 3.5
+ Previously, :exc:`TypeError` was raised when embedded null bytes were
+ encountered in the bytes object.
+
.. c:function:: void PyBytes_Concat(PyObject **bytes, PyObject *newpart)