Enable Chat Without Connectors (#1090)

backend/danswer/chat/load_yamls.py

@@ -78,9 +78,11 @@ def load_personas_from_yaml(
                 if not prompts:
                     prompts = None
 
+            p_id = persona.get("id")
             upsert_persona(
                 user_id=None,
-                persona_id=persona.get("id"),
+                # Negative to not conflict with existing personas
+                persona_id=(-1 * p_id) if p_id is not None else None,
                 name=persona["name"],
                 description=persona["description"],
                 num_chunks=persona.get("num_chunks")

backend/danswer/chat/personas.yaml

@@ -5,9 +5,9 @@ personas:
   # this is for DanswerBot to use when tagged in a non-configured channel
   # Careful setting specific IDs, this won't autoincrement the next ID value for postgres
   - id: 0
-    name: "Default"
+    name: "Knowledge Assistant"
     description: >
-      Default Danswer Question Answering functionality.
+      Assistant with access to documents from your Connected Sources.
     # Default Prompt objects attached to the persona, see prompts.yaml
     prompts:
       - "Answer-Question"
@@ -39,22 +39,23 @@ personas:
     document_sets: []
 
 
-  - name: "Summarize"
+  - id: 1
+    name: "AI Assistant (No Sources)"
     description: >
-      A less creative assistant which summarizes relevant documents but does not try to
-      extrapolate any answers for you.
+      Assistant with no access to documents. Chat with just the Language Model.
     prompts:
-      - "Summarize"
-    num_chunks: 10
+      - "OnlyLLM"
+    num_chunks: 0
     llm_relevance_filter: true
     llm_filter_extraction: true
     recency_bias: "auto"
     document_sets: []
 
 
-  - name: "Paraphrase"
+  - id: 2
+    name: "Paraphrase Assistant"
     description: >
-      The least creative default assistant that only provides quotes from the documents.
+      Assistant that is heavily constrained and only provides exact quotes from Connected Sources.
     prompts:
       - "Paraphrase"
     num_chunks: 10

backend/danswer/chat/prompts.yaml

@@ -30,6 +30,14 @@ prompts:
     include_citations: true
 
 
+  - name: "OnlyLLM"
+    description: "Chat directly with the LLM!"
+    system: "You are a helpful assistant."
+    task: ""
+    datetime_aware: true
+    include_citations: true
+
+
   - name: "Summarize"
     description: "Summarize relevant information from retrieved context!"
     system: >

backend/danswer/db/chat.py

@@ -6,6 +6,7 @@ from sqlalchemy import not_
 from sqlalchemy import nullsfirst
 from sqlalchemy import or_
 from sqlalchemy import select
+from sqlalchemy import update
 from sqlalchemy.exc import MultipleResultsFound
 from sqlalchemy.orm import Session
 
@@ -534,6 +535,34 @@ def mark_persona_as_deleted(
     db_session.commit()
 
 
+def mark_delete_persona_by_name(
+    persona_name: str, db_session: Session, is_default: bool = True
+) -> None:
+    stmt = (
+        update(Persona)
+        .where(Persona.name == persona_name, Persona.default_persona == is_default)
+        .values(deleted=True)
+    )
+
+    db_session.execute(stmt)
+    db_session.commit()
+
+
+def delete_old_default_personas(
+    db_session: Session,
+) -> None:
+    """Note, this locks out the Summarize and Paraphrase personas for now
+    Need a more graceful fix later or those need to never have IDs"""
+    stmt = (
+        update(Persona)
+        .where(Persona.default_persona, Persona.id > 0)
+        .values(deleted=True)
+    )
+
+    db_session.execute(stmt)
+    db_session.commit()
+
+
 def update_persona_visibility(
     persona_id: int,
     is_visible: bool,
@@ -709,3 +738,15 @@ def translate_db_message_to_chat_message_detail(
     )
 
     return chat_msg_detail
+
+
+def delete_persona_by_name(
+    persona_name: str, db_session: Session, is_default: bool = True
+) -> None:
+    stmt = delete(Persona).where(
+        Persona.name == persona_name, Persona.default_persona == is_default
+    )
+
+    db_session.execute(stmt)
+
+    db_session.commit()

backend/danswer/main.py

@@ -38,6 +38,7 @@ from danswer.configs.model_configs import FAST_GEN_AI_MODEL_VERSION
 from danswer.configs.model_configs import GEN_AI_API_ENDPOINT
 from danswer.configs.model_configs import GEN_AI_MODEL_PROVIDER
 from danswer.configs.model_configs import GEN_AI_MODEL_VERSION
+from danswer.db.chat import delete_old_default_personas
 from danswer.db.connector import create_initial_default_connector
 from danswer.db.connector_credential_pair import associate_default_cc_pair
 from danswer.db.credentials import create_initial_public_credential
@@ -292,6 +293,7 @@ def get_application() -> FastAPI:
             associate_default_cc_pair(db_session)
 
             logger.info("Loading default Prompts and Personas")
+            delete_old_default_personas(db_session)
             load_chat_yamls()
 
             logger.info("Verifying Document Index(s) is/are available.")

backend/danswer/server/features/persona/api.py

@@ -156,11 +156,14 @@ def delete_persona(
 def list_personas(
     user: User | None = Depends(current_user),
     db_session: Session = Depends(get_session),
+    include_deleted: bool = False,
 ) -> list[PersonaSnapshot]:
     user_id = user.id if user is not None else None
     return [
         PersonaSnapshot.from_model(persona)
-        for persona in get_personas(user_id=user_id, db_session=db_session)
+        for persona in get_personas(
+            user_id=user_id, include_deleted=include_deleted, db_session=db_session
+        )
     ]