| # Licensed to the Apache Software Foundation (ASF) under one | |
| # or more contributor license agreements. See the NOTICE file | |
| # distributed with this work for additional information | |
| # regarding copyright ownership. The ASF licenses this file | |
| # to you under the Apache License, Version 2.0 (the | |
| # "License"); you may not use this file except in compliance | |
| # with the License. You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, | |
| # software distributed under the License is distributed on an | |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| # KIND, either express or implied. See the License for the | |
| # specific language governing permissions and limitations | |
| # under the License. | |
| """Lazy discovery and process safety for the optional Native runtime.""" | |
| from importlib import import_module | |
| def _raise_if_native_fork_safety_error(error): | |
| """Propagate native fork errors without probing or initializing the SDK.""" | |
| from pypaimon.write.backend_dispatch import propagate_fork_safety_error | |
| propagate_fork_safety_error(error) | |
| def native_runtime_available() -> bool: | |
| """Whether the optional companion Rust extension is installed. | |
| Native paths require this release's APIs; they do not probe older builds. | |
| """ | |
| try: | |
| import_module('pypaimon_rust.datafusion') | |
| except ImportError: | |
| return False | |
| return True |