Method set_isolation_level

crates/stdlib/src/_sqlite3.rs:1490–1516

(
            &self,
            value: PySetterValue<Option<PyStrRef>>,
            vm: &VirtualMachine,
        )

        }
        #[pygetset(setter)]
        fn set_isolation_level(
            &self,
            value: PySetterValue<Option<PyStrRef>>,
            vm: &VirtualMachine,
        ) -> PyResult<()> {
            match value {
                PySetterValue::Assign(value) => {
                    if let Some(val_str) = &value {
                        begin_statement_ptr_from_isolation_level(val_str, vm)?;
                    }

                    // If setting isolation_level to None (auto-commit mode), commit any pending transaction
                    if value.is_none() {
                        let db = self.db_lock(vm)?;
                        if !db.is_autocommit() {
                            // Keep the lock and call implicit_commit directly to avoid race conditions
                            db.implicit_commit(vm)?;
                        }
                    }
                    let _ = unsafe { self.isolation_level.swap(value) };
                    Ok(())
                }
                PySetterValue::Delete => {
                    Err(vm.new_attribute_error("'isolation_level' attribute cannot be deleted"))
                }
            }
        }

        #[pygetset]
        fn autocommit(&self, vm: &VirtualMachine) -> PyObjectRef {