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83 lines
2 KiB
Python
Executable file
83 lines
2 KiB
Python
Executable file
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"""
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Graph embeddings query service. Input is vectors. Output is list of
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embeddings.
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"""
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from .... schema import GraphEmbeddingsRequest, GraphEmbeddingsResponse
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from .... schema import Error, Value
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from .... base import FlowProcessor, GraphEmbeddingsQueryService, ConsumerSpec
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from .... base import ProducerSpec
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default_ident = "ge-query"
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class GraphEmbeddingsQueryService(FlowProcessor):
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def __init__(self, **params):
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id = params.get("id")
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super(GraphEmbeddingsQueryService, self).__init__(
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**params | { "id": id }
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)
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self.register_specification(
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ConsumerSpec(
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name = "request",
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schema = GraphEmbeddingsRequest,
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handler = self.on_message
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)
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)
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self.register_specification(
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ProducerSpec(
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name = "response",
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schema = GraphEmbeddingsResponse,
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)
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)
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async def on_message(self, msg, consumer, flow):
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try:
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request = msg.value()
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# Sender-produced ID
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id = msg.properties()["id"]
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print(f"Handling input {id}...", flush=True)
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entities = self.query_graph_embeddings(request)
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print("Send response...", flush=True)
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r = GraphEmbeddingsResponse(entities=entities, error=None)
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await flow("response").send(r, properties={"id": id})
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print("Done.", flush=True)
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except Exception as e:
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print(f"Exception: {e}")
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print("Send error response...", flush=True)
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r = GraphEmbeddingsResponse(
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error=Error(
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type = "graph-embeddings-query-error",
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message = str(e),
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),
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response=None,
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)
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await flow("response").send(r, properties={"id": id})
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@staticmethod
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def add_args(parser):
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GraphEmbeddingsQueryService.add_args(parser)
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def run():
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Processor.launch(default_ident, __doc__)
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