trustgraph/trustgraph-flow/trustgraph/query/doc_embeddings/milvus/service.py
cybermaggedon f2ae0e8623
Embeddings API scores (#671)
- Put scores in all responses
- Remove unused 'middle' vector layer. Vector of texts -> vector of (vector embedding)
2026-03-09 10:53:44 +00:00

85 lines
2.1 KiB
Python
Executable file

"""
Document embeddings query service. Input is vector, output is an array
of chunk_ids
"""
import logging
from .... direct.milvus_doc_embeddings import DocVectors
from .... schema import DocumentEmbeddingsResponse, ChunkMatch
from .... schema import Error
from .... base import DocumentEmbeddingsQueryService
# Module logger
logger = logging.getLogger(__name__)
default_ident = "doc-embeddings-query"
default_store_uri = 'http://localhost:19530'
class Processor(DocumentEmbeddingsQueryService):
def __init__(self, **params):
store_uri = params.get("store_uri", default_store_uri)
super(Processor, self).__init__(
**params | {
"store_uri": store_uri,
}
)
self.vecstore = DocVectors(store_uri)
async def query_document_embeddings(self, msg):
try:
vec = msg.vector
if not vec:
return []
# Handle zero limit case
if msg.limit <= 0:
return []
resp = self.vecstore.search(
vec,
msg.user,
msg.collection,
limit=msg.limit
)
chunks = []
for r in resp:
chunk_id = r["entity"]["chunk_id"]
# Milvus returns distance, convert to similarity score
distance = r.get("distance", 0.0)
score = 1.0 - distance if distance else 0.0
chunks.append(ChunkMatch(
chunk_id=chunk_id,
score=score,
))
return chunks
except Exception as e:
logger.error(f"Exception querying document embeddings: {e}", exc_info=True)
raise e
@staticmethod
def add_args(parser):
DocumentEmbeddingsQueryService.add_args(parser)
parser.add_argument(
'-t', '--store-uri',
default=default_store_uri,
help=f'Milvus store URI (default: {default_store_uri})'
)
def run():
Processor.launch(default_ident, __doc__)