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gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives (in Modules/) (#102196)

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Irit Katriel 2023-02-24 21:43:03 +00:00 • committed by GitHub
parent 568fc0dee4
commit 2db23d10bf
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18 changed files with 136 additions and 169 deletions
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14
Modules/_sqlite/connection.c
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@ -908,7 +908,6 @@ final_callback(sqlite3_context *context)
PyObject* function_result;
PyObject** aggregate_instance;
int ok;
PyObject *exception, *value, *tb;
aggregate_instance = (PyObject**)sqlite3_aggregate_context(context, 0);
if (aggregate_instance == NULL) {
@ -923,7 +922,7 @@ final_callback(sqlite3_context *context)
}
// Keep the exception (if any) of the last call to step, value, or inverse
PyErr_Fetch(&exception, &value, &tb);
PyObject *exc = PyErr_GetRaisedException();
callback_context *ctx = (callback_context *)sqlite3_user_data(context);
assert(ctx != NULL);
@ -938,7 +937,7 @@ final_callback(sqlite3_context *context)
}
if (!ok) {
int attr_err = PyErr_ExceptionMatches(PyExc_AttributeError);
_PyErr_ChainExceptions(exception, value, tb);
_PyErr_ChainExceptions1(exc);
/* Note: contrary to the step, value, and inverse callbacks, SQLite
* does _not_, as of SQLite 3.38.0, propagate errors to sqlite3_step()
@ -949,7 +948,7 @@ final_callback(sqlite3_context *context)
: "user-defined aggregate's 'finalize' method raised error");
}
else {
PyErr_Restore(exception, value, tb);
PyErr_SetRaisedException(exc);
}
error:
@ -2274,15 +2273,14 @@ pysqlite_connection_exit_impl(pysqlite_Connection *self, PyObject *exc_type,
if (commit) {
/* Commit failed; try to rollback in order to unlock the database.
* If rollback also fails, chain the exceptions. */
PyObject *exc, *val, *tb;
PyErr_Fetch(&exc, &val, &tb);
PyObject *exc = PyErr_GetRaisedException();
result = pysqlite_connection_rollback_impl(self);
if (result == NULL) {
_PyErr_ChainExceptions(exc, val, tb);
_PyErr_ChainExceptions1(exc);
}
else {
Py_DECREF(result);
PyErr_Restore(exc, val, tb);
PyErr_SetRaisedException(exc);
}
}
return NULL;