C++ (Cpp) buffer_from_object示例

示例#1

文件： bufferobject.c 项目： 756613351/python-source-code

PyObject *
PyBuffer_FromReadWriteObject(PyObject *base, Py_ssize_t offset, Py_ssize_t size)
{
    PyBufferProcs *pb = base->ob_type->tp_as_buffer;

    if ( pb == NULL ||
         pb->bf_getwritebuffer == NULL ||
         pb->bf_getsegcount == NULL )
    {
        PyErr_SetString(PyExc_TypeError, "buffer object expected");
        return NULL;
    }

    return buffer_from_object(base, size,  offset, 0);
}

示例#2

PyObject *
PyBuffer_FromObject(PyObject *base, int offset, int size)
{
	PyBufferProcs *pb = base->ob_type->tp_as_buffer;

	if ( pb == NULL ||
	     pb->bf_getreadbuffer == NULL ||
	     pb->bf_getsegcount == NULL )
	{
		PyErr_SetString(PyExc_TypeError, "buffer object expected");
		return NULL;
	}

	return buffer_from_object(base, size, offset, 1);
}