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Name	Size	Permission	Date
clinic	[ DIR ]	drwxr-xr-x	2024-03-19 22:46
stringlib	[ DIR ]	drwxr-xr-x	2024-03-19 22:46
README	41 B	-rw-r--r--	2024-03-19 22:46
abstract.c	78.14 KB	-rw-r--r--	2024-03-19 22:46
abstract.gcda	24.84 KB	-rw-r--r--	2025-06-04 09:21
abstract.o	664.97 KB	-rw-r--r--	2025-06-04 09:22
accu.c	2.41 KB	-rw-r--r--	2024-03-19 22:46
accu.gcda	4.12 KB	-rw-r--r--	2025-06-04 09:21
accu.o	49.66 KB	-rw-r--r--	2025-06-04 09:22
boolobject.c	7.12 KB	-rw-r--r--	2024-03-19 22:46
boolobject.gcda	4.2 KB	-rw-r--r--	2025-06-04 09:21
boolobject.o	51.54 KB	-rw-r--r--	2025-06-04 09:22
bytearrayobject.c	72.53 KB	-rw-r--r--	2024-03-19 22:46
bytearrayobject.gcda	29.45 KB	-rw-r--r--	2025-06-04 09:21
bytearrayobject.o	837.34 KB	-rw-r--r--	2025-06-04 09:22
bytes_methods.c	21.14 KB	-rw-r--r--	2024-03-19 22:46
bytes_methods.gcda	8 KB	-rw-r--r--	2025-06-04 09:21
bytes_methods.o	269.63 KB	-rw-r--r--	2025-06-04 09:22
bytesobject.c	99.98 KB	-rw-r--r--	2024-03-19 22:46
bytesobject.gcda	32.01 KB	-rw-r--r--	2025-06-04 09:21
bytesobject.o	956.34 KB	-rw-r--r--	2025-06-04 09:22
call.c	27.29 KB	-rw-r--r--	2024-03-19 22:46
call.gcda	8.28 KB	-rw-r--r--	2025-06-04 09:21
call.o	339.1 KB	-rw-r--r--	2025-06-04 09:22
capsule.c	7.27 KB	-rw-r--r--	2024-03-19 22:46
capsule.gcda	5.2 KB	-rw-r--r--	2025-06-04 09:21
capsule.o	73.71 KB	-rw-r--r--	2025-06-04 09:22
cellobject.c	5.65 KB	-rw-r--r--	2024-03-19 22:46
cellobject.gcda	4.57 KB	-rw-r--r--	2025-06-04 09:21
cellobject.o	91.55 KB	-rw-r--r--	2025-06-04 09:22
classobject.c	17.99 KB	-rw-r--r--	2024-03-19 22:46
classobject.gcda	7.01 KB	-rw-r--r--	2025-06-04 09:21
classobject.o	149.12 KB	-rw-r--r--	2025-06-04 09:22
codeobject.c	42.38 KB	-rw-r--r--	2024-03-19 22:46
codeobject.gcda	10.02 KB	-rw-r--r--	2025-06-04 09:21
codeobject.o	320.38 KB	-rw-r--r--	2025-06-04 09:22
complexobject.c	30.92 KB	-rw-r--r--	2024-03-19 22:46
complexobject.gcda	8.7 KB	-rw-r--r--	2025-06-04 09:21
complexobject.o	221.24 KB	-rw-r--r--	2025-06-04 09:22
descrobject.c	62.59 KB	-rw-r--r--	2024-03-19 22:46
descrobject.gcda	13.57 KB	-rw-r--r--	2025-06-04 09:21
descrobject.o	441.51 KB	-rw-r--r--	2025-06-04 09:22
dict-common.h	2.22 KB	-rw-r--r--	2024-03-19 22:46
dictnotes.txt	5.96 KB	-rw-r--r--	2024-03-19 22:46
dictobject.c	148.87 KB	-rw-r--r--	2024-03-19 22:46
dictobject.gcda	28.55 KB	-rw-r--r--	2025-06-04 09:21
dictobject.o	1022.94 KB	-rw-r--r--	2025-06-04 09:22
enumobject.c	14.61 KB	-rw-r--r--	2024-03-19 22:46
enumobject.gcda	6.13 KB	-rw-r--r--	2025-06-04 09:21
enumobject.o	140.49 KB	-rw-r--r--	2025-06-04 09:22
exceptions.c	85.65 KB	-rw-r--r--	2024-03-19 22:46
exceptions.gcda	20.98 KB	-rw-r--r--	2025-06-04 09:21
exceptions.o	585.38 KB	-rw-r--r--	2025-06-04 09:22
fileobject.c	16.56 KB	-rw-r--r--	2024-03-19 22:46
fileobject.gcda	6.29 KB	-rw-r--r--	2025-06-04 09:21
fileobject.o	110.28 KB	-rw-r--r--	2025-06-04 09:22
floatobject.c	71.56 KB	-rw-r--r--	2024-03-19 22:46
floatobject.gcda	13 KB	-rw-r--r--	2025-06-04 09:21
floatobject.o	452.61 KB	-rw-r--r--	2025-06-04 09:22
frameobject.c	35.79 KB	-rw-r--r--	2024-03-19 22:46
frameobject.gcda	8.83 KB	-rw-r--r--	2025-06-04 09:21
frameobject.o	199.9 KB	-rw-r--r--	2025-06-04 09:22
funcobject.c	34.36 KB	-rw-r--r--	2024-03-19 22:46
funcobject.gcda	10.05 KB	-rw-r--r--	2025-06-04 09:21
funcobject.o	262.78 KB	-rw-r--r--	2025-06-04 09:22
genericaliasobject.c	18.02 KB	-rw-r--r--	2024-03-19 22:46
genericaliasobject.gcda	6.79 KB	-rw-r--r--	2025-06-04 09:21
genericaliasobject.o	155.11 KB	-rw-r--r--	2025-06-04 09:22
genobject.c	69.94 KB	-rw-r--r--	2024-03-19 22:46
genobject.gcda	12.37 KB	-rw-r--r--	2025-06-04 09:21
genobject.o	327.76 KB	-rw-r--r--	2025-06-04 09:22
interpreteridobject.c	8.74 KB	-rw-r--r--	2024-03-19 22:46
interpreteridobject.gcda	4.75 KB	-rw-r--r--	2025-06-04 09:21
interpreteridobject.o	84.54 KB	-rw-r--r--	2025-06-04 09:22
iterobject.c	16.14 KB	-rw-r--r--	2024-03-19 22:46
iterobject.gcda	6.17 KB	-rw-r--r--	2025-06-04 09:21
iterobject.o	126.71 KB	-rw-r--r--	2025-06-04 09:22
listobject.c	99.53 KB	-rw-r--r--	2024-03-19 22:46
listobject.gcda	18.98 KB	-rw-r--r--	2025-06-04 09:21
listobject.o	739.52 KB	-rw-r--r--	2025-06-04 09:22
listsort.txt	35.31 KB	-rw-r--r--	2024-03-19 22:46
lnotab_notes.txt	8.62 KB	-rw-r--r--	2024-03-19 22:46
longobject.c	174.76 KB	-rw-r--r--	2024-03-19 22:46
longobject.gcda	30.25 KB	-rw-r--r--	2025-06-04 09:21
longobject.o	1.58 MB	-rw-r--r--	2025-06-04 09:22
memoryobject.c	94.86 KB	-rw-r--r--	2024-03-19 22:46
memoryobject.gcda	20.69 KB	-rw-r--r--	2025-06-04 09:21
memoryobject.o	497.3 KB	-rw-r--r--	2025-06-04 09:22
methodobject.c	17.16 KB	-rw-r--r--	2024-03-19 22:46
methodobject.gcda	6.73 KB	-rw-r--r--	2025-06-04 09:21
methodobject.o	172.39 KB	-rw-r--r--	2025-06-04 09:22
moduleobject.c	27.12 KB	-rw-r--r--	2024-03-19 22:46
moduleobject.gcda	10.06 KB	-rw-r--r--	2025-06-04 09:21
moduleobject.o	206.68 KB	-rw-r--r--	2025-06-04 09:22
namespaceobject.c	7.35 KB	-rw-r--r--	2024-03-19 22:46
namespaceobject.gcda	4.75 KB	-rw-r--r--	2025-06-04 09:21
namespaceobject.o	73.17 KB	-rw-r--r--	2025-06-04 09:22
object.c	62.92 KB	-rw-r--r--	2024-03-19 22:46
object.gcda	16.35 KB	-rw-r--r--	2025-06-04 09:21
object.o	427.98 KB	-rw-r--r--	2025-06-04 09:22
obmalloc.c	98.82 KB	-rw-r--r--	2024-03-19 22:46
obmalloc.gcda	13.52 KB	-rw-r--r--	2025-06-04 09:21
obmalloc.o	338.32 KB	-rw-r--r--	2025-06-04 09:22
odictobject.c	73.79 KB	-rw-r--r--	2024-03-19 22:46
odictobject.gcda	11.84 KB	-rw-r--r--	2025-06-04 09:21
odictobject.o	297.43 KB	-rw-r--r--	2025-06-04 09:22
picklebufobject.c	6.03 KB	-rw-r--r--	2024-03-19 22:46
picklebufobject.gcda	4.49 KB	-rw-r--r--	2025-06-04 09:21
picklebufobject.o	54.4 KB	-rw-r--r--	2025-06-04 09:22
rangeobject.c	36.25 KB	-rw-r--r--	2024-03-19 22:46
rangeobject.gcda	8.72 KB	-rw-r--r--	2025-06-04 09:21
rangeobject.o	321.02 KB	-rw-r--r--	2025-06-04 09:22
setobject.c	72.7 KB	-rw-r--r--	2024-03-19 22:46
setobject.gcda	17.04 KB	-rw-r--r--	2025-06-04 09:21
setobject.o	617.43 KB	-rw-r--r--	2025-06-04 09:22
sliceobject.c	19.36 KB	-rw-r--r--	2024-03-19 22:46
sliceobject.gcda	6.45 KB	-rw-r--r--	2025-06-04 09:21
sliceobject.o	146.79 KB	-rw-r--r--	2025-06-04 09:22
structseq.c	16.74 KB	-rw-r--r--	2024-03-19 22:46
structseq.gcda	6.29 KB	-rw-r--r--	2025-06-04 09:21
structseq.o	160.08 KB	-rw-r--r--	2025-06-04 09:22
tupleobject.c	33.24 KB	-rw-r--r--	2024-03-19 22:46
tupleobject.gcda	9.63 KB	-rw-r--r--	2025-06-04 09:21
tupleobject.o	262.6 KB	-rw-r--r--	2025-06-04 09:22
typeobject.c	268.84 KB	-rw-r--r--	2024-03-19 22:46
typeobject.gcda	55.95 KB	-rw-r--r--	2025-06-04 09:21
typeobject.o	1.62 MB	-rw-r--r--	2025-06-04 09:22
typeslots.inc	5.33 KB	-rw-r--r--	2024-03-19 22:46
typeslots.py	1.65 KB	-rwxr-xr-x	2024-03-19 22:46
unicodectype.c	7.49 KB	-rw-r--r--	2024-03-19 22:46
unicodectype.gcda	6.14 KB	-rw-r--r--	2025-06-04 09:21
unicodectype.o	199.91 KB	-rw-r--r--	2025-06-04 09:22
unicodeobject.c	475.94 KB	-rw-r--r--	2024-03-19 22:46
unicodeobject.gcda	108.06 KB	-rw-r--r--	2025-06-04 09:21
unicodeobject.o	3.93 MB	-rw-r--r--	2025-06-04 09:22
unicodetype_db.h	249.58 KB	-rw-r--r--	2024-03-19 22:46
unionobject.c	13.1 KB	-rw-r--r--	2024-03-19 22:46
unionobject.gcda	5.98 KB	-rw-r--r--	2025-06-04 09:21
unionobject.o	139.22 KB	-rw-r--r--	2025-06-04 09:22
weakrefobject.c	31.57 KB	-rw-r--r--	2024-03-19 22:46
weakrefobject.gcda	15.45 KB	-rw-r--r--	2025-06-04 09:21
weakrefobject.o	328.2 KB	-rw-r--r--	2025-06-04 09:22

Rename

/* 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;
    }

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 = PyDoc_STR("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,
};