Create app.py

app.py

@@ -0,0 +1,82 @@
+import streamlit as st
+import requests
+import os
+import json
+
+# Configuración de la API de Flowise
+API_URL = os.getenv("API_URL", "https://livanarzuaga-test.hf.space/api/v1/prediction/2a2e535d-1807-4701-8468-c0ede26bcdbf")
+
+def query(payload, api_url=API_URL):
+    try:
+        response = requests.post(api_url, json=payload)
+        response.raise_for_status()
+        return response.json()
+    except requests.exceptions.HTTPError as http_err:
+        return {"error": f"HTTP error occurred: {http_err}"}
+    except requests.exceptions.ConnectionError as conn_err:
+        return {"error": f"Connection error occurred: {conn_err}"}
+    except requests.exceptions.Timeout as timeout_err:
+        return {"error": f"Timeout error occurred: {timeout_err}"}
+    except requests.exceptions.RequestException as req_err:
+        return {"error": f"An error occurred: {req_err}"}
+
+def get_response(user_input, api_url=API_URL):
+    payload = {"question": user_input}
+    response = query(payload, api_url)
+    return response.get('text', "Error: No API response.")
+
+def export_conversation(past, generated, file_path="conversation.json"):
+    try:
+        conversation = {
+            "past": past,
+            "generated": generated
+        }
+        with open(file_path, "w") as f:
+            json.dump(conversation, f)
+        return True
+    except Exception as e:
+        return str(e)
+
+# Inicializar claves en st.session_state
+if 'history' not in st.session_state:
+    st.session_state['history'] = []
+
+if 'generated' not in st.session_state:
+    st.session_state['generated'] = ["Hi I can answer your weather related questions"]
+
+if 'past' not in st.session_state:
+    st.session_state['past'] = ["Hello"]
+
+# Sidebar con opciones
+st.sidebar.title("Opciones")
+if st.sidebar.button("Nueva conversación"):
+    st.session_state['past'] = ["Hello"]
+    st.session_state['generated'] = ["Hi I can answer your weather related questions"]
+    st.session_state['history'] = []
+    st.sidebar.success("Nueva conversación iniciada")
+
+if st.sidebar.button("Exportar conversación"):
+    result = export_conversation(st.session_state['past'], st.session_state['generated'])
+    if result is True:
+        st.sidebar.success("Conversación exportada como conversation.json")
+    else:
+        st.sidebar.error(f"Error al exportar la conversación: {result}")
+
+# Contenedor para el historial del chat
+chat_container = st.empty()
+
+# Contenedor para la entrada de texto del usuario
+with st.form(key='my_form', clear_on_submit=True):
+    user_input = st.text_input("Chat:", placeholder="Type here to chat", key='input')
+    submit_button = st.form_submit_button(label='Send')
+    
+    if submit_button and user_input:
+        output = get_response(user_input)
+        st.session_state['past'].append(user_input)
+        st.session_state['generated'].append(output)
+
+# Mostrar el historial del chat
+with chat_container.container():
+    for i in range(len(st.session_state['generated'])):
+        st.write(f"**User:** {st.session_state['past'][i]}")
+        st.write(f"**Bot:** {st.session_state['generated'][i]}")