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bpo-45459: Add Py_buffer to limited API (GH-29991)

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- [x] ``Py_buffer`` struct
- [x] ``PyBuffer_*()`` API functions
- [x] ``PyBUF_*`` constants
- [x] ``Py_bf_getbuffer`` and ``Py_bf_releasebuffer`` type slots
- [x] ``PyMemoryView_FromBuffer()`` API
- [x] tests for limited API
- [x] ``make regen-limited-abi``
- [x] documentation update
- [ ] export ``PyPickleBuffer*()`` API ???
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Christian Heimes 2022-02-02 17:03:10 +02:00 • committed by GitHub
parent 08f8301b21
commit f66c857572
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17 changed files with 308 additions and 131 deletions
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Doc/c-api/buffer.rst
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@ -499,6 +499,13 @@ Buffer-related functions
This function fails if *len* != *src->len*.
.. c:function:: int PyObject_CopyData(Py_buffer *dest, Py_buffer *src)
Copy data from *src* to *dest* buffer. Can convert between C-style and
or Fortran-style buffers.
``0`` is returned on success, ``-1`` on error.
.. c:function:: void PyBuffer_FillContiguousStrides(int ndims, Py_ssize_t *shape, Py_ssize_t *strides, int itemsize, char order)
Fill the *strides* array with byte-strides of a :term:`contiguous` (C-style if