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Add python buffer api support#980

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thesn10 wants to merge4 commits intopythonnet:masterfromthesn10:pybuffer2
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2 changes: 1 addition & 1 deletionCHANGELOG.md
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Expand Up@@ -8,6 +8,7 @@ This document follows the conventions laid out in [Keep a CHANGELOG][].
## [Unreleased][]

### Added
- Added Python 3 buffer api support and PyBuffer interface for fast byte and numpy array read/write ([#980][p980])

### Changed
- Drop support for Python 2, 3.4, and 3.5
Expand DownExpand Up@@ -51,7 +52,6 @@ This version improves performance on benchmarks significantly compared to 2.3.
- Support for Python 3.8
- Codecs as the designated way to handle automatic conversions between
.NET and Python types
- Added Python 3 buffer api support and PyBuffer interface for fast byte and numpy array read/write ([#980][p980])

### Changed

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2 changes: 2 additions & 0 deletionssrc/runtime/runtime.cs
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Expand Up@@ -1154,6 +1154,8 @@ internal static long PyObject_Size(IntPtr pointer)
//====================================================================
// Python buffer API
//====================================================================
[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern int PyObject_CheckBuffer(IntPtr obj);

[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern int PyObject_GetBuffer(IntPtr exporter, ref Py_buffer view, int flags);
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