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| import gradio as gr | |
| from src.main import ChatWrapper | |
| chat = ChatWrapper() | |
| def update_chain(api_key: str, selection: str): | |
| global chat_wrapper | |
| chat_wrapper = ChatWrapper(chain=selection, api_key=api_key) | |
| block = gr.Blocks(css=".gradio-container {background-color: lightgray}") | |
| with block: | |
| with gr.Row(): | |
| gr.Markdown("<h3><center>Hello-World LangChain App</center></h3>") | |
| selection = gr.Dropdown(label="Select Agent", choices=["falcon", "openai"], default="openai") | |
| api_key_textbox = gr.Textbox( | |
| label="API Key", | |
| placeholder="Paste your OpenAI API key (sk-...)", | |
| show_label=True, | |
| lines=1, | |
| type="password", | |
| ) | |
| chatbot = gr.Chatbot() | |
| with gr.Row(): | |
| message = gr.Textbox( | |
| label="What's your question?", | |
| placeholder="What's the answer to life, the universe, and everything?", | |
| lines=1, | |
| ) | |
| submit = gr.Button(value="Send", variant="secondary").style(full_width=False) | |
| gr.Examples( | |
| examples=[ | |
| "Hi! How's it going?", | |
| "What should I do tonight?", | |
| "Whats 2 + 2?", | |
| ], | |
| inputs=message, | |
| ) | |
| gr.HTML("Demo application of a LangChain chain.") | |
| state = gr.State() | |
| agent_state = gr.State() | |
| submit.click(chat, inputs=[api_key_textbox, message, state, agent_state], outputs=[chatbot, state]) | |
| message.submit(chat, inputs=[api_key_textbox, message, state, agent_state], outputs=[chatbot, state]) | |
| api_key_textbox.change(update_chain, inputs=[api_key_textbox, selection], outputs=[agent_state]) | |
| block.launch(debug=True) |