59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
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# Copyright (c) "Neo4j"
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# Neo4j Sweden AB [https://neo4j.com]
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# #
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# #
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# https://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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This example illustrates how to visualize a Pipeline"""
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from neo4j_graphrag.experimental.pipeline import Component, Pipeline
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from neo4j_graphrag.experimental.pipeline.component import DataModel
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from pydantic import validate_call
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class IntDataModel(DataModel):
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value: int
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message: str
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class Addition(Component):
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async def run(self, a: int, b: int) -> IntDataModel:
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return IntDataModel(value=a + b, message="addition complete")
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class Duplicate(Component):
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def __init__(self, factor: int = 2) -> None:
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self.factor = factor
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async def run(self, number: int) -> IntDataModel:
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return IntDataModel(
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value=number * self.factor, message=f"multiplication by {self.factor} done"
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)
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class Save(Component):
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@validate_call
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async def run(self, number: IntDataModel) -> IntDataModel:
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return IntDataModel(value=number.value, message="saved")
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if __name__ == "__main__":
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pipe = Pipeline()
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pipe.add_component(Duplicate(), "times_two")
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pipe.add_component(Duplicate(factor=10), "times_ten")
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pipe.add_component(Addition(), "addition")
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pipe.add_component(Save(), "save")
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pipe.connect("times_two", "addition", {"a": "times_two.value"})
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pipe.connect("times_ten", "addition", {"b": "times_ten.value"})
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pipe.connect("addition", "save", {"number": "addition"})
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pipe.draw("graph.html")
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pipe.draw("graph_full.html", hide_unused_outputs=False)
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