1 files changed, 0 insertions, 219 deletions
diff --git a/Objects/picklebufobject.c b/Objects/picklebufobject.c
deleted file mode 100644
index a135e55..0000000
--- a/Objects/picklebufobject.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/* PickleBuffer object implementation */
-
-#define PY_SSIZE_T_CLEAN
-#include "Python.h"
-#include <stddef.h>
-
-typedef struct {
-    PyObject_HEAD
-    /* The view exported by the original object */
-    Py_buffer view;
-    PyObject *weakreflist;
-} PyPickleBufferObject;
-
-/* C API */
-
-PyObject *
-PyPickleBuffer_FromObject(PyObject *base)
-{
-    PyTypeObject *type = &PyPickleBuffer_Type;
-    PyPickleBufferObject *self;
-
-    self = (PyPickleBufferObject *) type->tp_alloc(type, 0);
-    if (self == NULL) {
-        return NULL;
-    }
-    self->view.obj = NULL;
-    self->weakreflist = NULL;
-    if (PyObject_GetBuffer(base, &self->view, PyBUF_FULL_RO) < 0) {
-        Py_DECREF(self);
-        return NULL;
-    }
-    return (PyObject *) self;
-}
-
-const Py_buffer *
-PyPickleBuffer_GetBuffer(PyObject *obj)
-{
-    PyPickleBufferObject *self = (PyPickleBufferObject *) obj;
-
-    if (!PyPickleBuffer_Check(obj)) {
-        PyErr_Format(PyExc_TypeError,
-                     "expected PickleBuffer, %.200s found",
-                     Py_TYPE(obj)->tp_name);
-        return NULL;
-    }
-    if (self->view.obj == NULL) {
-        PyErr_SetString(PyExc_ValueError,
-                        "operation forbidden on released PickleBuffer object");
-        return NULL;
-    }
-    return &self->view;
-}
-
-int
-PyPickleBuffer_Release(PyObject *obj)
-{
-    PyPickleBufferObject *self = (PyPickleBufferObject *) obj;
-
-    if (!PyPickleBuffer_Check(obj)) {
-        PyErr_Format(PyExc_TypeError,
-                     "expected PickleBuffer, %.200s found",
-                     Py_TYPE(obj)->tp_name);
-        return -1;
-    }
-    PyBuffer_Release(&self->view);
-    return 0;
-}
-
-static PyObject *
-picklebuf_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
-{
-    PyPickleBufferObject *self;
-    PyObject *base;
-    char *keywords[] = {"", NULL};
-
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:PickleBuffer",
-                                     keywords, &base)) {
-        return NULL;
-    }
-
-    self = (PyPickleBufferObject *) type->tp_alloc(type, 0);
-    if (self == NULL) {
-        return NULL;
-    }
-    self->view.obj = NULL;
-    self->weakreflist = NULL;
-    if (PyObject_GetBuffer(base, &self->view, PyBUF_FULL_RO) < 0) {
-        Py_DECREF(self);
-        return NULL;
-    }
-    return (PyObject *) self;
-}
-
-static int
-picklebuf_traverse(PyPickleBufferObject *self, visitproc visit, void *arg)
-{
-    Py_VISIT(self->view.obj);
-    return 0;
-}
-
-static int
-picklebuf_clear(PyPickleBufferObject *self)
-{
-    PyBuffer_Release(&self->view);
-    return 0;
-}
-
-static void
-picklebuf_dealloc(PyPickleBufferObject *self)
-{
-    PyObject_GC_UnTrack(self);
-    if (self->weakreflist != NULL)
-        PyObject_ClearWeakRefs((PyObject *) self);
-    PyBuffer_Release(&self->view);
-    Py_TYPE(self)->tp_free((PyObject *) self);
-}
-
-/* Buffer API */
-
-static int
-picklebuf_getbuf(PyPickleBufferObject *self, Py_buffer *view, int flags)
-{
-    if (self->view.obj == NULL) {
-        PyErr_SetString(PyExc_ValueError,
-                        "operation forbidden on released PickleBuffer object");
-        return -1;
-    }
-    return PyObject_GetBuffer(self->view.obj, view, flags);
-}
-
-static void
-picklebuf_releasebuf(PyPickleBufferObject *self, Py_buffer *view)
-{
-    /* Since our bf_getbuffer redirects to the original object, this
-     * implementation is never called.  It only exists to signal that
-     * buffers exported by PickleBuffer have non-trivial releasing
-     * behaviour (see check in Python/getargs.c).
-     */
-}
-
-static PyBufferProcs picklebuf_as_buffer = {
-    .bf_getbuffer = (getbufferproc) picklebuf_getbuf,
-    .bf_releasebuffer = (releasebufferproc) picklebuf_releasebuf,
-};
-
-/* Methods */
-
-static PyObject *
-picklebuf_raw(PyPickleBufferObject *self, PyObject *Py_UNUSED(ignored))
-{
-    if (self->view.obj == NULL) {
-        PyErr_SetString(PyExc_ValueError,
-                        "operation forbidden on released PickleBuffer object");
-        return NULL;
-    }
-    if (self->view.suboffsets != NULL
-        || !PyBuffer_IsContiguous(&self->view, 'A')) {
-        PyErr_SetString(PyExc_BufferError,
-                        "cannot extract raw buffer from non-contiguous buffer");
-        return NULL;
-    }
-    PyObject *m = PyMemoryView_FromObject((PyObject *) self);
-    if (m == NULL) {
-        return NULL;
-    }
-    PyMemoryViewObject *mv = (PyMemoryViewObject *) m;
-    assert(mv->view.suboffsets == NULL);
-    /* Mutate memoryview instance to make it a "raw" memoryview */
-    mv->view.format = "B";
-    mv->view.ndim = 1;
-    mv->view.itemsize = 1;
-    /* shape = (length,) */
-    mv->view.shape = &mv->view.len;
-    /* strides = (1,) */
-    mv->view.strides = &mv->view.itemsize;
-    /* Fix memoryview state flags */
-    /* XXX Expose memoryobject.c's init_flags() instead? */
-    mv->flags = _Py_MEMORYVIEW_C | _Py_MEMORYVIEW_FORTRAN;
-    return m;
-}
-
-PyDoc_STRVAR(picklebuf_raw_doc,
-"raw($self, /)\n--\n\
-\n\
-Return a memoryview of the raw memory underlying this buffer.\n\
-Will raise BufferError is the buffer isn't contiguous.");
-
-static PyObject *
-picklebuf_release(PyPickleBufferObject *self, PyObject *Py_UNUSED(ignored))
-{
-    PyBuffer_Release(&self->view);
-    Py_RETURN_NONE;
-}
-
-PyDoc_STRVAR(picklebuf_release_doc,
-"release($self, /)\n--\n\
-\n\
-Release the underlying buffer exposed by the PickleBuffer object.");
-
-static PyMethodDef picklebuf_methods[] = {
-    {"raw",     (PyCFunction) picklebuf_raw,     METH_NOARGS, picklebuf_raw_doc},
-    {"release", (PyCFunction) picklebuf_release, METH_NOARGS, picklebuf_release_doc},
-    {NULL,      NULL}
-};
-
-PyTypeObject PyPickleBuffer_Type = {
-    PyVarObject_HEAD_INIT(NULL, 0)
-    .tp_name = "pickle.PickleBuffer",
-    .tp_doc = "Wrapper for potentially out-of-band buffers",
-    .tp_basicsize = sizeof(PyPickleBufferObject),
-    .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,
-    .tp_new = picklebuf_new,
-    .tp_dealloc = (destructor) picklebuf_dealloc,
-    .tp_traverse = (traverseproc) picklebuf_traverse,
-    .tp_clear = (inquiry) picklebuf_clear,
-    .tp_weaklistoffset = offsetof(PyPickleBufferObject, weakreflist),
-    .tp_as_buffer = &picklebuf_as_buffer,
-    .tp_methods = picklebuf_methods,
-};