mirror of
https://github.com/trustgraph-ai/trustgraph.git
synced 2026-07-18 01:31:02 +02:00
72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
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import asyncio
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import queue
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import uuid
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from .. schema import DocumentEmbeddings
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from .. schema import document_embeddings_store_queue
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from .. base import Subscriber
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from . socket import SocketEndpoint
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from . serialize import serialize_document_embeddings
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class DocumentEmbeddingsStreamEndpoint(SocketEndpoint):
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def __init__(
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self, pulsar_client, auth,
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path="/api/v1/stream/document-embeddings"
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):
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super(DocumentEmbeddingsStreamEndpoint, self).__init__(
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endpoint_path=path, auth=auth,
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)
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self.pulsar_client=pulsar_client
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self.subscriber = Subscriber(
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self.pulsar_client, document_embeddings_store_queue,
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"api-gateway", "api-gateway",
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schema=DocumentEmbeddings,
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)
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async def listener(self, ws, running):
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worker = asyncio.create_task(
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self.async_thread(ws, running)
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)
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await super(DocumentEmbeddingsStreamEndpoint, self).listener(
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ws, running
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)
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await worker
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async def start(self):
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await self.subscriber.start()
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async def async_thread(self, ws, running):
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id = str(uuid.uuid4())
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q = await self.subscriber.subscribe_all(id)
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while running.get():
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try:
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resp = await asyncio.wait_for(q.get(), timeout=0.5)
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await ws.send_json(serialize_document_embeddings(resp))
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except TimeoutError:
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continue
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except queue.Empty:
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continue
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except Exception as e:
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print(f"Exception: {str(e)}", flush=True)
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break
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await self.subscriber.unsubscribe_all(id)
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running.stop()
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