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feat: Update ChromaSearch and ChromaComponent to use chromadb library (#1992)

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The code changes in `ChromaSearch.py` and `Chroma.py` import the `chromadb` library and use it to create a `HttpClient` object. This change enables the components to interact with a Chroma server for vector search functionality.

This commit message follows the established convention of starting with a type (feat for feature) and providing a concise summary of the changes.
This commit is contained in:
Gabriel Luiz Freitas Almeida 2024-05-28 08:16:37 -07:00 • committed by GitHub
commit 56fc11a99c
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2 changed files with 9 additions and 5 deletions
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6
src/backend/base/langflow/components/vectorsearch/ChromaSearch.py
View file

@ -1,5 +1,6 @@
from typing import List, Optional
import chromadb
from chromadb.config import Settings
from langchain_chroma import Chroma
@ -91,7 +92,7 @@ class ChromaSearchComponent(LCVectorStoreComponent):
# Chroma settings
chroma_settings = None
client = None
if chroma_server_host is not None:
chroma_settings = Settings(
chroma_server_cors_allow_origins=chroma_server_cors_allow_origins or [],
@ -100,13 +101,14 @@ class ChromaSearchComponent(LCVectorStoreComponent):
chroma_server_grpc_port=chroma_server_grpc_port or None,
chroma_server_ssl_enabled=chroma_server_ssl_enabled,
)
client = chromadb.HttpClient(settings=chroma_settings)
if index_directory:
index_directory = self.resolve_path(index_directory)
vector_store = Chroma(
embedding_function=embedding,
collection_name=collection_name,
persist_directory=index_directory,
client_settings=chroma_settings,
client=client,
)
return self.search_with_vector_store(input_value, search_type, vector_store, k=number_of_results)

8
src/backend/base/langflow/components/vectorstores/Chroma.py
View file

@ -1,5 +1,6 @@
from typing import List, Optional, Union
import chromadb
from chromadb.config import Settings
from langchain_chroma import Chroma
from langchain_core.embeddings import Embeddings
@ -81,7 +82,7 @@ class ChromaComponent(CustomComponent):
# Chroma settings
chroma_settings = None
client = None
if chroma_server_host is not None:
chroma_settings = Settings(
chroma_server_cors_allow_origins=chroma_server_cors_allow_origins or [],
@ -90,6 +91,7 @@ class ChromaComponent(CustomComponent):
chroma_server_grpc_port=chroma_server_grpc_port or None,
chroma_server_ssl_enabled=chroma_server_ssl_enabled,
)
client = chromadb.HttpClient(settings=chroma_settings)
# If documents, then we need to create a Chroma instance using .from_documents
@ -111,12 +113,12 @@ class ChromaComponent(CustomComponent):
persist_directory=index_directory,
collection_name=collection_name,
embedding=embedding,
client_settings=chroma_settings,
client=client,
)
else:
chroma = Chroma(
persist_directory=index_directory,
client_settings=chroma_settings,
client=client,
embedding_function=embedding,
)
return chroma