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gh-111835: Add seekable method to mmap.mmap (gh-111852)

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Donghee Na 2023-11-09 11:13:35 +00:00 • committed by GitHub
parent 30ec968bef
commit 6046aec377
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5 changed files with 40 additions and 12 deletions
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21
Modules/mmapmodule.c
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@ -171,7 +171,7 @@ mmap_object_dealloc(mmap_object *m_obj)
}
static PyObject *
mmap_close_method(mmap_object *self, PyObject *unused)
mmap_close_method(mmap_object *self, PyObject *Py_UNUSED(ignored))
{
if (self->exports > 0) {
PyErr_SetString(PyExc_BufferError, "cannot close "\
@ -260,7 +260,7 @@ do { \
static PyObject *
mmap_read_byte_method(mmap_object *self,
PyObject *unused)
PyObject *Py_UNUSED(ignored))
{
CHECK_VALID(NULL);
if (self->pos >= self->size) {
@ -272,7 +272,7 @@ mmap_read_byte_method(mmap_object *self,
static PyObject *
mmap_read_line_method(mmap_object *self,
PyObject *unused)
PyObject *Py_UNUSED(ignored))
{
Py_ssize_t remaining;
char *start, *eol;
@ -460,7 +460,7 @@ mmap_write_byte_method(mmap_object *self,
static PyObject *
mmap_size_method(mmap_object *self,
PyObject *unused)
PyObject *Py_UNUSED(ignored))
{
CHECK_VALID(NULL);
@ -657,7 +657,7 @@ mmap_resize_method(mmap_object *self,
}
static PyObject *
mmap_tell_method(mmap_object *self, PyObject *unused)
mmap_tell_method(mmap_object *self, PyObject *Py_UNUSED(ignored))
{
CHECK_VALID(NULL);
return PyLong_FromSize_t(self->pos);
@ -729,7 +729,7 @@ mmap_seek_method(mmap_object *self, PyObject *args)
if (where > self->size || where < 0)
goto onoutofrange;
self->pos = where;
Py_RETURN_NONE;
return PyLong_FromSsize_t(self->pos);
}
onoutofrange:
@ -737,6 +737,12 @@ mmap_seek_method(mmap_object *self, PyObject *args)
return NULL;
}
static PyObject *
mmap_seekable_method(mmap_object *self, PyObject *Py_UNUSED(ignored))
{
Py_RETURN_TRUE;
}
static PyObject *
mmap_move_method(mmap_object *self, PyObject *args)
{
@ -835,7 +841,7 @@ mmap__repr__method(PyObject *self)
#ifdef MS_WINDOWS
static PyObject *
mmap__sizeof__method(mmap_object *self, void *unused)
mmap__sizeof__method(mmap_object *self, void *Py_UNUSED(ignored))
{
size_t res = _PyObject_SIZE(Py_TYPE(self));
if (self->tagname) {
@ -905,6 +911,7 @@ static struct PyMethodDef mmap_object_methods[] = {
{"readline", (PyCFunction) mmap_read_line_method, METH_NOARGS},
{"resize", (PyCFunction) mmap_resize_method, METH_VARARGS},
{"seek", (PyCFunction) mmap_seek_method, METH_VARARGS},
{"seekable", (PyCFunction) mmap_seekable_method, METH_NOARGS},
{"size", (PyCFunction) mmap_size_method, METH_NOARGS},
{"tell", (PyCFunction) mmap_tell_method, METH_NOARGS},
{"write", (PyCFunction) mmap_write_method, METH_VARARGS},