bpo-46541: Replace _Py_IDENTIFIER with _Py_ID in sqlite3 (GH-31351)

This commit is contained in:
Erlend Egeberg Aasland 2022-02-16 16:24:44 +01:00 committed by GitHub
parent d64f3caebe
commit b2077117d1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 61 additions and 39 deletions

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@ -21,8 +21,6 @@
* 3. This notice may not be removed or altered from any source distribution.
*/
#define NEEDS_PY_IDENTIFIER
#include "module.h"
#include "structmember.h" // PyMemberDef
#include "connection.h"
@ -125,13 +123,12 @@ class _sqlite3.Connection "pysqlite_Connection *" "clinic_state()->ConnectionTyp
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=67369db2faf80891]*/
_Py_IDENTIFIER(cursor);
static void _pysqlite_drop_unused_cursor_references(pysqlite_Connection* self);
static void free_callback_context(callback_context *ctx);
static void set_callback_context(callback_context **ctx_pp,
callback_context *ctx);
static void connection_close(pysqlite_Connection *self);
PyObject *_pysqlite_query_execute(pysqlite_Cursor *, int, PyObject *, PyObject *);
static PyObject *
new_statement_cache(pysqlite_Connection *self, pysqlite_state *state,
@ -782,7 +779,6 @@ final_callback(sqlite3_context *context)
PyObject* function_result;
PyObject** aggregate_instance;
_Py_IDENTIFIER(finalize);
int ok;
PyObject *exception, *value, *tb;
@ -801,8 +797,10 @@ final_callback(sqlite3_context *context)
/* Keep the exception (if any) of the last call to step() */
PyErr_Fetch(&exception, &value, &tb);
function_result = _PyObject_CallMethodIdNoArgs(*aggregate_instance, &PyId_finalize);
callback_context *ctx = (callback_context *)sqlite3_user_data(context);
assert(ctx != NULL);
function_result = PyObject_CallMethodNoArgs(*aggregate_instance,
ctx->state->str_finalize);
Py_DECREF(*aggregate_instance);
ok = 0;
@ -1432,16 +1430,14 @@ pysqlite_connection_execute_impl(pysqlite_Connection *self, PyObject *sql,
PyObject *parameters)
/*[clinic end generated code: output=5be05ae01ee17ee4 input=fbd17c75c7140271]*/
{
_Py_IDENTIFIER(execute);
PyObject* cursor = 0;
PyObject* result = 0;
cursor = _PyObject_CallMethodIdNoArgs((PyObject*)self, &PyId_cursor);
PyObject *cursor = pysqlite_connection_cursor_impl(self, NULL);
if (!cursor) {
goto error;
}
result = _PyObject_CallMethodIdObjArgs(cursor, &PyId_execute, sql, parameters, NULL);
result = _pysqlite_query_execute((pysqlite_Cursor *)cursor, 0, sql, parameters);
if (!result) {
Py_CLEAR(cursor);
}
@ -1467,17 +1463,14 @@ pysqlite_connection_executemany_impl(pysqlite_Connection *self,
PyObject *sql, PyObject *parameters)
/*[clinic end generated code: output=776cd2fd20bfe71f input=4feab80659ffc82b]*/
{
_Py_IDENTIFIER(executemany);
PyObject* cursor = 0;
PyObject* result = 0;
cursor = _PyObject_CallMethodIdNoArgs((PyObject*)self, &PyId_cursor);
PyObject *cursor = pysqlite_connection_cursor_impl(self, NULL);
if (!cursor) {
goto error;
}
result = _PyObject_CallMethodIdObjArgs(cursor, &PyId_executemany, sql,
parameters, NULL);
result = _pysqlite_query_execute((pysqlite_Cursor *)cursor, 1, sql, parameters);
if (!result) {
Py_CLEAR(cursor);
}
@ -1502,17 +1495,15 @@ pysqlite_connection_executescript(pysqlite_Connection *self,
PyObject *script_obj)
/*[clinic end generated code: output=4c4f9d77aa0ae37d input=b27ae5c24ffb8b43]*/
{
_Py_IDENTIFIER(executescript);
PyObject* cursor = 0;
PyObject* result = 0;
cursor = _PyObject_CallMethodIdNoArgs((PyObject*)self, &PyId_cursor);
PyObject *cursor = pysqlite_connection_cursor_impl(self, NULL);
if (!cursor) {
goto error;
}
result = _PyObject_CallMethodIdObjArgs(cursor, &PyId_executescript,
script_obj, NULL);
PyObject *meth = self->state->str_executescript; // borrowed ref.
result = PyObject_CallMethodObjArgs(cursor, meth, script_obj, NULL);
if (!result) {
Py_CLEAR(cursor);
}
@ -1620,7 +1611,6 @@ static PyObject *
pysqlite_connection_iterdump_impl(pysqlite_Connection *self)
/*[clinic end generated code: output=586997aaf9808768 input=53bc907cb5eedb85]*/
{
_Py_IDENTIFIER(_iterdump);
PyObject* retval = NULL;
PyObject* module = NULL;
PyObject* module_dict;
@ -1640,7 +1630,12 @@ pysqlite_connection_iterdump_impl(pysqlite_Connection *self)
goto finally;
}
pyfn_iterdump = _PyDict_GetItemIdWithError(module_dict, &PyId__iterdump);
PyObject *meth = PyUnicode_InternFromString("_iterdump");
if (meth == NULL) {
goto finally;
}
pyfn_iterdump = PyDict_GetItemWithError(module_dict, meth);
Py_DECREF(meth);
if (!pyfn_iterdump) {
if (!PyErr_Occurred()) {
PyErr_SetString(self->OperationalError,

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@ -21,8 +21,6 @@
* 3. This notice may not be removed or altered from any source distribution.
*/
#define NEEDS_PY_IDENTIFIER
#include "cursor.h"
#include "module.h"
#include "util.h"
@ -131,13 +129,12 @@ _pysqlite_get_converter(pysqlite_state *state, const char *keystr,
PyObject *key;
PyObject *upcase_key;
PyObject *retval;
_Py_IDENTIFIER(upper);
key = PyUnicode_FromStringAndSize(keystr, keylen);
if (!key) {
return NULL;
}
upcase_key = _PyObject_CallMethodIdNoArgs(key, &PyId_upper);
upcase_key = PyObject_CallMethodNoArgs(key, state->str_upper);
Py_DECREF(key);
if (!upcase_key) {
return NULL;
@ -457,7 +454,7 @@ get_statement_from_cache(pysqlite_Cursor *self, PyObject *operation)
return PyObject_Vectorcall(cache, args + 1, nargsf, NULL);
}
static PyObject *
PyObject *
_pysqlite_query_execute(pysqlite_Cursor* self, int multiple, PyObject* operation, PyObject* second_argument)
{
PyObject* parameters_list = NULL;

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@ -23,8 +23,6 @@
* 3. This notice may not be removed or altered from any source distribution.
*/
#define NEEDS_PY_IDENTIFIER
#include <Python.h>
#include "cursor.h"
@ -76,8 +74,6 @@ PyObject *
pysqlite_microprotocols_adapt(pysqlite_state *state, PyObject *obj,
PyObject *proto, PyObject *alt)
{
_Py_IDENTIFIER(__adapt__);
_Py_IDENTIFIER(__conform__);
PyObject *adapter, *key, *adapted;
/* we don't check for exact type conformance as specified in PEP 246
@ -102,7 +98,7 @@ pysqlite_microprotocols_adapt(pysqlite_state *state, PyObject *obj,
}
/* try to have the protocol adapt this object */
if (_PyObject_LookupAttrId(proto, &PyId___adapt__, &adapter) < 0) {
if (_PyObject_LookupAttr(proto, state->str___adapt__, &adapter) < 0) {
return NULL;
}
if (adapter) {
@ -121,7 +117,7 @@ pysqlite_microprotocols_adapt(pysqlite_state *state, PyObject *obj,
}
/* and finally try to have the object adapt itself */
if (_PyObject_LookupAttrId(obj, &PyId___conform__, &adapter) < 0) {
if (_PyObject_LookupAttr(obj, state->str___conform__, &adapter) < 0) {
return NULL;
}
if (adapter) {

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@ -21,8 +21,6 @@
* 3. This notice may not be removed or altered from any source distribution.
*/
#define NEEDS_PY_IDENTIFIER
#include "connection.h"
#include "statement.h"
#include "cursor.h"
@ -185,15 +183,14 @@ pysqlite_register_converter_impl(PyObject *module, PyObject *orig_name,
{
PyObject* name = NULL;
PyObject* retval = NULL;
_Py_IDENTIFIER(upper);
/* convert the name to upper case */
name = _PyObject_CallMethodIdNoArgs(orig_name, &PyId_upper);
pysqlite_state *state = pysqlite_get_state(module);
name = PyObject_CallMethodNoArgs(orig_name, state->str_upper);
if (!name) {
goto error;
}
pysqlite_state *state = pysqlite_get_state(module);
if (PyDict_SetItem(state->converters, name, callable) != 0) {
goto error;
}
@ -593,6 +590,13 @@ module_traverse(PyObject *module, visitproc visit, void *arg)
Py_VISIT(state->lru_cache);
Py_VISIT(state->psyco_adapters);
// Interned strings
Py_VISIT(state->str___adapt__);
Py_VISIT(state->str___conform__);
Py_VISIT(state->str_executescript);
Py_VISIT(state->str_finalize);
Py_VISIT(state->str_upper);
return 0;
}
@ -625,6 +629,13 @@ module_clear(PyObject *module)
Py_CLEAR(state->lru_cache);
Py_CLEAR(state->psyco_adapters);
// Interned strings
Py_CLEAR(state->str___adapt__);
Py_CLEAR(state->str___conform__);
Py_CLEAR(state->str_executescript);
Py_CLEAR(state->str_finalize);
Py_CLEAR(state->str_upper);
return 0;
}
@ -650,6 +661,15 @@ do { \
ADD_TYPE(module, (PyTypeObject *)state->exc); \
} while (0)
#define ADD_INTERNED(state, string) \
do { \
PyObject *tmp = PyUnicode_InternFromString(#string); \
if (tmp == NULL) { \
goto error; \
} \
state->str_ ## string = tmp; \
} while (0)
static int
module_exec(PyObject *module)
{
@ -695,6 +715,13 @@ module_exec(PyObject *module)
ADD_EXCEPTION(module, state, DataError, state->DatabaseError);
ADD_EXCEPTION(module, state, NotSupportedError, state->DatabaseError);
/* Add interned strings */
ADD_INTERNED(state, __adapt__);
ADD_INTERNED(state, __conform__);
ADD_INTERNED(state, executescript);
ADD_INTERNED(state, finalize);
ADD_INTERNED(state, upper);
/* Set error constants */
if (add_error_constants(module) < 0) {
goto error;

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@ -58,6 +58,13 @@ typedef struct {
PyTypeObject *PrepareProtocolType;
PyTypeObject *RowType;
PyTypeObject *StatementType;
/* Pointers to interned strings */
PyObject *str___adapt__;
PyObject *str___conform__;
PyObject *str_executescript;
PyObject *str_finalize;
PyObject *str_upper;
} pysqlite_state;
extern pysqlite_state pysqlite_global_state;