Définir les configurations et les variables initiales, configurer la barre latérale avec une sélection de modèle et un groupe de boutons radio pour la sélection du mode de contexte, ajouter un titre principal à la page principale, afficher un message de bienvenue dynamique basé sur la sélection du modèle et du contexte, et afficher un message d'erreur si aucun contexte n'est fourni.

app.py

@@ -2,26 +2,38 @@ import streamlit as st
 import requests
 import json
 
+# Define initial configurations and variables
 siteUrl = "https://aloqas-aloqas-qa-fastapi.hf.space"
-
 response = None
 userContext = None
 context = None
 error = 0
 limit = 9000
+model = None
+
 
+def on_change_write_name_of_model():
+    selected_model = st.session_state['model']
+    st.session_state.messages.append({"role": "assistant", "content": f"Switched to {selected_model} model."})
+
+# Sidebar configuration
 with st.sidebar:
     st.title("Configuration")
+    # Define a selectbox for model selection
     model = st.selectbox('Which model would you like to use?',
-                         ('SqueezeBERT', 'BERT', 'DeBERTa'), index=1, help="SqueezeBERT is faster but less accurate, BERT is balanced, and DeBERTa is slower but more accurate.")
+                         ('SqueezeBERT', 'BERT', 'DeBERTa'), index=1,
+                         help="SqueezeBERT is faster but less accurate, BERT is balanced, and DeBERTa is slower but more accurate.",
+                         on_change=on_change_write_name_of_model, key='model')
+    # Define a radio button group for context mode selection
     contextSelect = st.radio("Pick a context mode:", ["Text", "File"], index=0, help="Choose between text or file context.")
     if contextSelect == "File":
-        userContext = st.file_uploader("Pick a file for the context", accept_multiple_files=True)
+        userContext = st.file_uploader("Pick a file for the context", accept_multiple_files=True, help="Upload files of types: txt, json, docx, pdf, csv for context.", type=['txt', 'json', 'docx', 'pdf', 'csv'])
         context = "/uploadfile/"
     else:
         userContext = st.text_area("Write the context", max_chars=limit, help="Insert the context text here.")
         context = "/contextText/"
 
+# Main page title
 st.title("ALOQAS")
 
 # Dynamic welcome message based on model and context selection
@@ -79,6 +91,7 @@ if prompt := st.chat_input(placeholder="Write to ALOQAS..."):
 for msg in st.session_state.messages:
     st.chat_message(msg.get("role", "assistant")).write(msg.get("content", "Hi, I'm ALOQAS. How can I help you?"))
 
+
 if error == 1:
     message_rouge = "⚠️ Please provide a context via the menu on your left."
     st.markdown(f'<div style="color: white; background-color: #ff4444; padding: 10px; border-radius: 5px;">{message_rouge}</div>', unsafe_allow_html=True)