Merge pull request #577 from shivanandmn/faiss_delete_index

added delete index of vector store in faiss

application/api/user/routes.py

@@ -84,6 +84,19 @@ def api_feedback():
     )
     return {"status": http.client.responses.get(response.status_code, "ok")}
 
+@user.route("/api/delete_by_ids", methods=["get"])
+def delete_by_ids():
+    """Delete by ID. These are the IDs in the vectorstore"""
+
+    ids = request.args.get("path")
+    if not ids:
+        return {"status": "error"}
+
+    if settings.VECTOR_STORE == "faiss":
+        result = vectors_collection.delete_index(ids=ids)
+        if result:
+            return {"status": "ok"}
+    return {"status": "error"}
 
 @user.route("/api/delete_old", methods=["get"])
 def delete_old():

application/vectorstore/faiss.py

@@ -27,6 +27,9 @@ def add_texts(self, *args, **kwargs):
     def save_local(self, *args, **kwargs):
         return self.docsearch.save_local(*args, **kwargs)
 
+    def delete_index(self, *args, **kwargs):
+        return self.docsearch.delete(*args, **kwargs)
+
     def assert_embedding_dimensions(self, embeddings):
         """
         Check that the word embedding dimension of the docsearch index matches
@@ -40,5 +43,4 @@ def assert_embedding_dimensions(self, embeddings):
             docsearch_index_dimension = self.docsearch.index.d
             if word_embedding_dimension != docsearch_index_dimension:
                 raise ValueError(f"word_embedding_dimension ({word_embedding_dimension}) " +
-                                 f"!= docsearch_index_word_embedding_dimension ({docsearch_index_dimension})")
-
+                                 f"!= docsearch_index_word_embedding_dimension ({docsearch_index_dimension})")