allowing the embedding model to be changed via .env

example.env

@@ -11,4 +11,6 @@ SERPAPI_API_KEY=
 VECTOR_DATABASE_LOCATION=
 
 # Name for the Conversation Memory Collection
-CONVERSATION_COLLECTION_NAME="ConversationMemory"
+CONVERSATION_COLLECTION_NAME="ConversationMemory"
+
+EMBEDDING_MODEL="sentence-transformers/all-MiniLM-L6-v2"

innovation_pathfinder_ai/structured_tools/structured_tools.py

@@ -52,7 +52,7 @@ def memory_search(query:str) -> str:
     #store using envar
     
     embedding_function = SentenceTransformerEmbeddings(
-        model_name="all-MiniLM-L6-v2",
+        model_name=os.getenv("EMBEDDING_MODEL"),
         )
     
     vector_db = Chroma(
@@ -78,7 +78,7 @@ def knowledgeBase_search(query:str) -> str:
     #store using envar
     
     embedding_function = SentenceTransformerEmbeddings(
-        model_name="all-MiniLM-L6-v2",
+        model_name=os.getenv("EMBEDDING_MODEL"),
         )
     
     vector_db = Chroma(
@@ -152,7 +152,7 @@ def embed_arvix_paper(paper_id:str) -> None:
     #store using envar
     
     embedding_function = SentenceTransformerEmbeddings(
-        model_name="all-MiniLM-L6-v2",
+        model_name=os.getenv("EMBEDDING_MODEL"),
         )
     
     full_path = os.path.join(pdf_directory, pdf_file_name)

innovation_pathfinder_ai/vector_store/chroma_vector_store.py

@@ -99,9 +99,9 @@ def add_markdown_to_collection(
         name=collection_name,
         )
     
-    embed_data = embedding_functions.HuggingFaceEmbeddingFunction(
-        api_key= os.getenv("HUGGINGFACEHUB_API_TOKEN"),
-    )
+    embedding_function = SentenceTransformerEmbeddings(
+        model_name=os.getenv("EMBEDDING_MODEL"),
+        )
 
     documents_page_content:list = [i.page_content for i in splits]
 
@@ -111,7 +111,7 @@ def add_markdown_to_collection(
         collection.add(
             ids=[generate_uuid()], # give each document a uuid
             documents=documents_page_content[i], # contents of document
-            embeddings=embed_data.embed_with_retries(documents_page_content[i]),
+            embeddings=embedding_function(documents_page_content[i]),
             metadatas=data.metadata,  # type: ignore
         )
         
@@ -181,13 +181,9 @@ def add_pdf_to_vector_store(
     name=collection_name,
     )
     
-    embed_data = embedding_functions.HuggingFaceEmbeddingFunction(
-        api_key = os.getenv("HUGGINGFACEHUB_API_TOKEN"),
-        model_name= "sentence-transformers/all-MiniLM-L6-v2" # added model name for clariity
-    )
-    
-    # create the open-source embedding function
-    # embedding_function = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
+    embedding_function = SentenceTransformerEmbeddings(
+        model_name=os.getenv("EMBEDDING_MODEL"),
+        )
     
     documents_page_content:list = [i.page_content for i in split_docs]
     
@@ -198,7 +194,7 @@ def add_pdf_to_vector_store(
         collection.add(
             ids=[generate_uuid()], # give each document a uuid
             documents=documents_page_content[i], # contents of document
-            embeddings=embed_data.embed_with_retries(documents_page_content[i]),
+            embeddings=embedding_function(documents_page_content[i]),
             metadatas=data.metadata,  # type: ignore
         )
     
@@ -244,7 +240,7 @@ if __name__ == "__main__":
     
     # create the open-source embedding function
     embedding_function = SentenceTransformerEmbeddings(
-        model_name="all-MiniLM-L6-v2",
+        model_name=os.getenv("EMBEDDING_MODEL"),
         )
     
     #method of integrating Chroma and Langchain