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update chroma query(add top distance)

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ACBBZ
2024-06-03 08:03:29 +00:00
parent f6297df760
commit 3c263a33d5
1 changed files with 23 additions and 3 deletions
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26
src/blackbox/chroma_query.py
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@ -21,7 +21,7 @@ class ChromaQuery(Blackbox):
# config = read_yaml(args[0])
# load chromadb and embedding model
self.embedding_model_1 = embedding_functions.SentenceTransformerEmbeddingFunction(model_name="/home/administrator/Workspace/Models/BAAI/bge-large-zh-v1.5", device = "cuda")
# self.embedding_model_2 = embedding_functions.SentenceTransformerEmbeddingFunction(model_name="/model/Weight/BAAI/bge-small-en-v1.5", device = "cuda")
self.embedding_model_2 = embedding_functions.SentenceTransformerEmbeddingFunction(model_name="/home/administrator/Workspace/Models/BAAI/bge-large-en-v1.5", device = "cuda")
self.client_1 = chromadb.HttpClient(host='172.16.5.8', port=7000)
# self.client_2 = chromadb.HttpClient(host='10.6.82.192', port=8000)
@ -73,20 +73,40 @@ class ChromaQuery(Blackbox):
if re.search(r"/home/administrator/Workspace/Models/BAAI/bge-large-zh-v1.5", chroma_embedding_model):
embedding_model = self.embedding_model_1
elif re.search(r"/home/administrator/Workspace/Models/BAAI/bge-large-en-v1.5", chroma_embedding_model):
embedding_model = self.embedding_model_2
else:
embedding_model = embedding_functions.SentenceTransformerEmbeddingFunction(model_name=chroma_embedding_model, device = "cuda")
# load collection
collection = client.get_collection(chroma_collection_id, embedding_function=embedding_model)
print(usr_question)
# query it
results = collection.query(
query_texts=[usr_question],
n_results=3,
n_results=chroma_n_results,
)
# response = str(results["documents"] + results["metadatas"])
response = str(results["documents"])
# response = str(results["documents"])
final_result = ''
if results is not None:
results_distances = results["distances"][0]
#distance越高越不准确
top_distance = 0.8
for i in range(len(results_distances)):
if results_distances[i] < top_distance:
final_result += results["documents"][0][i]
print("\n final_result: ", final_result)
return final_result
return response