Allow non streaming

api/main.py

@@ -54,8 +54,10 @@ def chat():
     session_id = request.json.get('sessionId')
     history = request.json.get('history', [])
     settings = request.json.get('settings', {})
+    followups = request.json.get('followups', True)
+    as_stream = request.json.get('stream', True)
 
-    if query is None:
+    if query is None and history:
         query = history[-1].get('content')
         history = history[:-1]
 
@@ -65,7 +67,10 @@ def chat():
         return json.dumps(item)
 
     def run(callback):
-        return run_query(session_id, query, history, Settings(**settings), callback)
+        return run_query(session_id, query, history, Settings(**settings), callback, followups)
+
+    if not as_stream:
+        return jsonify(run(None)['text'])
 
     return Response(stream_with_context(stream(stream_callback(run, formatter))), mimetype='text/event-stream')
 

api/src/stampy_chat/chat.py

@@ -226,7 +226,7 @@ def merge_history(history):
     return messages
 
 
-def run_query(session_id: str, query: str, history: List[Dict], settings: Settings, callback: Callable[[Any], None] = None) -> Dict[str, str]:
+def run_query(session_id: str, query: str, history: List[Dict], settings: Settings, callback: Callable[[Any], None] = None, followups=True) -> Dict[str, str]:
     """Execute the query.
 
     :param str query: the phrase that was input by the user
@@ -252,7 +252,9 @@ def run_query(session_id: str, query: str, history: List[Dict], settings: Settin
         verbose=False,
         prompt=make_prompt(settings, chat_model, callbacks),
         memory=make_memory(settings, history, callbacks)
-    ) | StampyChain(callbacks=callbacks)
+    )
+    if followups:
+        chain = chain | StampyChain(callbacks=callbacks)
     result = chain.invoke({"query": query, 'history': history}, {'callbacks': []})
     if callback:
         callback({'state': 'done'})