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bpo-41861: Convert _sqlite3 RowType and StatementType to heap types #22444

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Merged
merged 3 commits into from
Oct 1, 2020
Merged

bpo-41861: Convert _sqlite3 RowType and StatementType to heap types #22444

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0615065
Convert StatementType to heap type
Sep 8, 2020
9226ab5
Convert RowType to heap type
Sep 8, 2020
6d22771
Remove Py_TPFLAGS_HEAPTYPE from .flags
Sep 28, 2020
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Convert RowType to heap type
  • Loading branch information
Erlend E. Aasland committed Sep 28, 2020
commit 9226ab5992b755e74712011c7bf53d9975f7ac26
4 changes: 2 additions & 2 deletions 4 Modules/_sqlite/module.c
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Original file line number Diff line number Diff line change
Expand Up @@ -352,7 +352,7 @@ PyMODINIT_FUNC PyInit__sqlite3(void)
module = PyModule_Create(&_sqlite3module);

if (!module ||
(pysqlite_row_setup_types() < 0) ||
(pysqlite_row_setup_types(module) < 0) ||
(pysqlite_cursor_setup_types() < 0) ||
(pysqlite_connection_setup_types() < 0) ||
(pysqlite_cache_setup_types(module) < 0) ||
Expand All @@ -366,7 +366,7 @@ PyMODINIT_FUNC PyInit__sqlite3(void)
ADD_TYPE(module, pysqlite_ConnectionType);
ADD_TYPE(module, pysqlite_CursorType);
ADD_TYPE(module, *pysqlite_PrepareProtocolType);
ADD_TYPE(module, pysqlite_RowType);
ADD_TYPE(module, *pysqlite_RowType);

if (!(dict = PyModule_GetDict(module))) {
goto error;
Expand Down
94 changes: 32 additions & 62 deletions 94 Modules/_sqlite/row.c
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Expand Up @@ -26,10 +26,13 @@

void pysqlite_row_dealloc(pysqlite_Row* self)
{
PyTypeObject *tp = Py_TYPE(self);

Py_XDECREF(self->data);
Py_XDECREF(self->description);

Py_TYPE(self)->tp_free((PyObject*)self);
tp->tp_free(self);
Py_DECREF(tp);
}

static PyObject *
Expand Down Expand Up @@ -192,7 +195,7 @@ static PyObject* pysqlite_row_richcompare(pysqlite_Row *self, PyObject *_other,
if (opid != Py_EQ && opid != Py_NE)
Py_RETURN_NOTIMPLEMENTED;

if (PyObject_TypeCheck(_other, &pysqlite_RowType)) {
if (PyObject_TypeCheck(_other, pysqlite_RowType)) {
pysqlite_Row *other = (pysqlite_Row *)_other;
int eq = PyObject_RichCompareBool(self->description, other->description, Py_EQ);
if (eq < 0) {
Expand All @@ -206,73 +209,40 @@ static PyObject* pysqlite_row_richcompare(pysqlite_Row *self, PyObject *_other,
Py_RETURN_NOTIMPLEMENTED;
}

PyMappingMethods pysqlite_row_as_mapping = {
/* mp_length */ (lenfunc)pysqlite_row_length,
/* mp_subscript */ (binaryfunc)pysqlite_row_subscript,
/* mp_ass_subscript */ (objobjargproc)0,
};

static PySequenceMethods pysqlite_row_as_sequence = {
/* sq_length */ (lenfunc)pysqlite_row_length,
/* sq_concat */ 0,
/* sq_repeat */ 0,
/* sq_item */ (ssizeargfunc)pysqlite_row_item,
};


static PyMethodDef pysqlite_row_methods[] = {
static PyMethodDef row_methods[] = {
{"keys", (PyCFunction)pysqlite_row_keys, METH_NOARGS,
PyDoc_STR("Returns the keys of the row.")},
{NULL, NULL}
};

static PyType_Slot row_slots[] = {
{Py_tp_dealloc, pysqlite_row_dealloc},
{Py_tp_hash, pysqlite_row_hash},
{Py_tp_methods, row_methods},
{Py_tp_richcompare, pysqlite_row_richcompare},
{Py_tp_iter, pysqlite_iter},
{Py_mp_length, pysqlite_row_length},
{Py_mp_subscript, pysqlite_row_subscript},
{Py_sq_length, pysqlite_row_length},
{Py_sq_item, pysqlite_row_item},
{Py_tp_new, pysqlite_row_new},
{0, NULL},
};

PyTypeObject pysqlite_RowType = {
PyVarObject_HEAD_INIT(NULL, 0)
MODULE_NAME ".Row", /* tp_name */
sizeof(pysqlite_Row), /* tp_basicsize */
0, /* tp_itemsize */
(destructor)pysqlite_row_dealloc, /* tp_dealloc */
0, /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_as_async */
0, /* tp_repr */
0, /* tp_as_number */
0, /* tp_as_sequence */
0, /* tp_as_mapping */
(hashfunc)pysqlite_row_hash, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
0, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /* tp_flags */
0, /* tp_doc */
(traverseproc)0, /* tp_traverse */
0, /* tp_clear */
(richcmpfunc)pysqlite_row_richcompare, /* tp_richcompare */
0, /* tp_weaklistoffset */
(getiterfunc)pysqlite_iter, /* tp_iter */
0, /* tp_iternext */
pysqlite_row_methods, /* tp_methods */
0, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
0, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
0 /* tp_free */
static PyType_Spec row_spec = {
.name = MODULE_NAME ".Row",
.basicsize = sizeof(pysqlite_Row),
.flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HEAPTYPE,
.slots = row_slots,
};

extern int pysqlite_row_setup_types(void)
PyTypeObject *pysqlite_RowType = NULL;

extern int pysqlite_row_setup_types(PyObject *module)
{
pysqlite_RowType.tp_new = pysqlite_row_new;
pysqlite_RowType.tp_as_mapping = &pysqlite_row_as_mapping;
pysqlite_RowType.tp_as_sequence = &pysqlite_row_as_sequence;
return PyType_Ready(&pysqlite_RowType);
pysqlite_RowType = (PyTypeObject *)PyType_FromModuleAndSpec(module, &row_spec, NULL);
if (pysqlite_RowType == NULL) {
return -1;
}
return 0;
}
4 changes: 2 additions & 2 deletions 4 Modules/_sqlite/row.h
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Expand Up @@ -33,8 +33,8 @@ typedef struct _Row
PyObject* description;
} pysqlite_Row;

extern PyTypeObject pysqlite_RowType;
extern PyTypeObject *pysqlite_RowType;

int pysqlite_row_setup_types(void);
int pysqlite_row_setup_types(PyObject *module);

#endif
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