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bpo-41103: Remove old buffer protocol support (#21117)

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They are deprecated since Python 3.0.
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Inada Naoki 2020-06-26 08:07:22 +09:00 • committed by GitHub
parent 77ed29b2c2
commit 6f8a6ee59c
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8 changed files with 9 additions and 204 deletions
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47
Include/abstract.h
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@ -309,53 +309,6 @@ PyAPI_FUNC(int) PyObject_DelItemString(PyObject *o, const char *key);
PyAPI_FUNC(int) PyObject_DelItem(PyObject *o, PyObject *key);
/* === Old Buffer API ============================================ */
/* FIXME: usage of these should all be replaced in Python itself
but for backwards compatibility we will implement them.
Their usage without a corresponding "unlock" mechanism
may create issues (but they would already be there). */
/* Takes an arbitrary object which must support the (character, single segment)
buffer interface and returns a pointer to a read-only memory location
useable as character based input for subsequent processing.
Return 0 on success. buffer and buffer_len are only set in case no error
occurs. Otherwise, -1 is returned and an exception set. */
Py_DEPRECATED(3.0)
PyAPI_FUNC(int) PyObject_AsCharBuffer(PyObject *obj,
const char **buffer,
Py_ssize_t *buffer_len);
/* Checks whether an arbitrary object supports the (character, single segment)
buffer interface.
Returns 1 on success, 0 on failure. */
Py_DEPRECATED(3.0) PyAPI_FUNC(int) PyObject_CheckReadBuffer(PyObject *obj);
/* Same as PyObject_AsCharBuffer() except that this API expects (readable,
single segment) buffer interface and returns a pointer to a read-only memory
location which can contain arbitrary data.
0 is returned on success. buffer and buffer_len are only set in case no
error occurs. Otherwise, -1 is returned and an exception set. */
Py_DEPRECATED(3.0)
PyAPI_FUNC(int) PyObject_AsReadBuffer(PyObject *obj,
const void **buffer,
Py_ssize_t *buffer_len);
/* Takes an arbitrary object which must support the (writable, single segment)
buffer interface and returns a pointer to a writable memory location in
buffer of size 'buffer_len'.
Return 0 on success. buffer and buffer_len are only set in case no error
occurs. Otherwise, -1 is returned and an exception set. */
Py_DEPRECATED(3.0)
PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
void **buffer,
Py_ssize_t *buffer_len);
/* === New Buffer API ============================================ */
/* Takes an arbitrary object and returns the result of calling