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78 lines
2.5 KiB
78 lines
2.5 KiB
# |
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# Licensed to the Apache Software Foundation (ASF) under one |
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# or more contributor license agreements. See the NOTICE file |
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# distributed with this work for additional information |
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# regarding copyright ownership. The ASF licenses this file |
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# to you under the Apache License, Version 2.0 (the |
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# "License"); you may not use this file except in compliance |
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# with the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, |
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# software distributed under the License is distributed on an |
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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# KIND, either express or implied. See the License for the |
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# specific language governing permissions and limitations |
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# under the License. |
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from typing import Dict, Optional |
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import attr |
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import papermill as pm |
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from airflow.lineage.entities import File |
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from airflow.models import BaseOperator |
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from airflow.utils.decorators import apply_defaults |
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@attr.s(auto_attribs=True) |
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class NoteBook(File): |
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"""Jupyter notebook""" |
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type_hint: Optional[str] = "jupyter_notebook" |
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parameters: Optional[Dict] = {} |
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meta_schema: str = __name__ + ".NoteBook" |
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class PapermillOperator(BaseOperator): |
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""" |
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Executes a jupyter notebook through papermill that is annotated with parameters |
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:param input_nb: input notebook (can also be a NoteBook or a File inlet) |
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:type input_nb: str |
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:param output_nb: output notebook (can also be a NoteBook or File outlet) |
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:type output_nb: str |
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:param parameters: the notebook parameters to set |
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:type parameters: dict |
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""" |
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supports_lineage = True |
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@apply_defaults |
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def __init__( |
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self, |
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*, |
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input_nb: Optional[str] = None, |
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output_nb: Optional[str] = None, |
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parameters: Optional[Dict] = None, |
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**kwargs, |
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) -> None: |
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super().__init__(**kwargs) |
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if input_nb: |
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self.inlets.append(NoteBook(url=input_nb, parameters=parameters)) |
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if output_nb: |
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self.outlets.append(NoteBook(url=output_nb)) |
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def execute(self, context): |
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if not self.inlets or not self.outlets: |
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raise ValueError("Input notebook or output notebook is not specified") |
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for i in range(len(self.inlets)): |
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pm.execute_notebook( |
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self.inlets[i].url, |
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self.outlets[i].url, |
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parameters=self.inlets[i].parameters, |
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progress_bar=False, |
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report_mode=True, |
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)
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