update: chroma v0.4.0 (#330)

embedchain/vectordb/chroma_db.py

@@ -1,6 +1,7 @@
 import logging
 
 import chromadb
+from chromadb.config import Settings
 
 from embedchain.vectordb.base_vector_db import BaseVectorDB
 
@@ -16,24 +17,16 @@ class ChromaDB(BaseVectorDB):
 
         if host and port:
             logging.info(f"Connecting to ChromaDB server: {host}:{port}")
-            self.client_settings = chromadb.config.Settings(
-                chroma_api_impl="rest",
-                chroma_server_host=host,
-                chroma_server_http_port=port,
-            )
+            self.settings = Settings(chroma_server_host=host, chroma_server_http_port=port)
         else:
             if db_dir is None:
                 db_dir = "db"
-            self.client_settings = chromadb.config.Settings(
-                chroma_db_impl="duckdb+parquet",
-                persist_directory=db_dir,
-                anonymized_telemetry=False,
-            )
+            self.settings = Settings(persist_directory=db_dir, anonymized_telemetry=False, allow_reset=True)
         super().__init__()
 
     def _get_or_create_db(self):
         """Get or create the database."""
-        return chromadb.Client(self.client_settings)
+        return chromadb.Client(self.settings)
 
     def _get_or_create_collection(self):
         """Get or create the collection."""

pyproject.toml

@@ -82,10 +82,10 @@ color = true
 [tool.poetry.dependencies]
 python = ">=3.9,<3.9.7 || >3.9.7,<4.0"
 python-dotenv = "^1.0.0"
-langchain = "^0.0.205"
+langchain = "^0.0.237"
 requests = "^2.31.0"
 openai = "^0.27.5"
-chromadb ="^0.3.26"
+chromadb ="^0.4.2"
 youtube-transcript-api = "^0.6.1"
 beautifulsoup4 = "^4.12.2"
 pypdf = "^3.11.0"

tests/vectordb/test_chroma_db.py

@@ -6,6 +6,7 @@ from unittest.mock import patch
 from embedchain import App
 from embedchain.config import AppConfig
 from embedchain.vectordb.chroma_db import ChromaDB, chromadb
+from chromadb.config import Settings
 
 
 class TestChromaDbHosts(unittest.TestCase):
@@ -19,10 +20,9 @@ class TestChromaDbHosts(unittest.TestCase):
         with patch.object(chromadb, "Client") as mock_client:
             _db = ChromaDB(host=host, port=port, embedding_fn=len)
 
-        expected_settings = chromadb.config.Settings(
-            chroma_api_impl="rest",
-            chroma_server_host=host,
-            chroma_server_http_port=port,
+        expected_settings = Settings(
+            chroma_server_host="test-host",
+            chroma_server_http_port="1234",
         )
 
         mock_client.assert_called_once_with(expected_settings)