| # |
| # 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. |
| # |
| |
| """ |
| Streaming data readers and writers. |
| |
| Re-exports the PyO3-implemented streaming classes. `DataStreamWriter.foreachBatch` |
| and `.foreach` accept a Python callable and cloudpickle it inside the extension |
| (via the bundled ``pyspark.cloudpickle``), so no Python subclass of the (non- |
| subclassable) PyO3 class is needed. |
| """ |
| |
| from pyspark._pyspark import ( |
| DataStreamReader as _DataStreamReader, |
| DataStreamWriter as _DataStreamWriter, |
| Trigger as _Trigger, |
| ) |
| |
| DataStreamReader = _DataStreamReader |
| DataStreamWriter = _DataStreamWriter |
| Trigger = _Trigger |
| |
| __all__ = ["DataStreamReader", "DataStreamWriter", "Trigger"] |
