Mercurial > repos > rliterman > csp2
diff CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/memoryobject.h @ 69:33d812a61356
planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author | jpayne |
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date | Tue, 18 Mar 2025 17:55:14 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/include/python3.8/memoryobject.h Tue Mar 18 17:55:14 2025 -0400 @@ -0,0 +1,72 @@ +/* Memory view object. In Python this is available as "memoryview". */ + +#ifndef Py_MEMORYOBJECT_H +#define Py_MEMORYOBJECT_H +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef Py_LIMITED_API +PyAPI_DATA(PyTypeObject) _PyManagedBuffer_Type; +#endif +PyAPI_DATA(PyTypeObject) PyMemoryView_Type; + +#define PyMemoryView_Check(op) (Py_TYPE(op) == &PyMemoryView_Type) + +#ifndef Py_LIMITED_API +/* Get a pointer to the memoryview's private copy of the exporter's buffer. */ +#define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view) +/* Get a pointer to the exporting object (this may be NULL!). */ +#define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj) +#endif + +PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base); +#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 +PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(char *mem, Py_ssize_t size, + int flags); +#endif +#ifndef Py_LIMITED_API +PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info); +#endif +PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base, + int buffertype, + char order); + + +/* The structs are declared here so that macros can work, but they shouldn't + be considered public. Don't access their fields directly, use the macros + and functions instead! */ +#ifndef Py_LIMITED_API +#define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */ +#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */ +typedef struct { + PyObject_HEAD + int flags; /* state flags */ + Py_ssize_t exports; /* number of direct memoryview exports */ + Py_buffer master; /* snapshot buffer obtained from the original exporter */ +} _PyManagedBufferObject; + + +/* memoryview state flags */ +#define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */ +#define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */ +#define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */ +#define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */ +#define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */ + +typedef struct { + PyObject_VAR_HEAD + _PyManagedBufferObject *mbuf; /* managed buffer */ + Py_hash_t hash; /* hash value for read-only views */ + int flags; /* state flags */ + Py_ssize_t exports; /* number of buffer re-exports */ + Py_buffer view; /* private copy of the exporter's view */ + PyObject *weakreflist; + Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */ +} PyMemoryViewObject; +#endif + +#ifdef __cplusplus +} +#endif +#endif /* !Py_MEMORYOBJECT_H */