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import gradio as gr
import os, threading
from multi_agent import run_multi_agent
lock = threading.Lock()
os.environ["LANGCHAIN_PROJECT"] = "langgraph-multi-agent"
os.environ["LANGCHAIN_TRACING_V2"] = "true"
LLM = "gpt-4.1"
def invoke(openai_api_key, topic):
if not openai_api_key:
raise gr.Error("OpenAI API Key is required.")
if not topic:
raise gr.Error("Topic is required.")
with lock:
os.environ["OPENAI_API_KEY"] = openai_api_key
article = run_multi_agent(LLM, topic)
del os.environ["OPENAI_API_KEY"]
return article
def clear():
return ""
gr.close_all()
with gr.Blocks() as assistant:
gr.Markdown("## Multi-Agent AI: Article Writing")
gr.Markdown(os.environ.get("DESCRIPTION"))
with gr.Row():
with gr.Column(scale=1):
with gr.Row():
openai_api_key = gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1)
topic = gr.Textbox(label = "Topic", value=os.environ["TOPIC"], lines = 1)
with gr.Row():
clear_btn = gr.ClearButton(
components=[openai_api_key, topic]
)
submit_btn = gr.Button("Submit", variant="primary")
with gr.Column(scale=3):
article = gr.Markdown(label = "Article", value=os.environ["OUTPUT"], line_breaks = True, sanitize_html = False)
clear_btn.click(
fn=clear,
outputs=article
)
submit_btn.click(
fn=invoke,
inputs=[openai_api_key, topic],
outputs=article
)
assistant.launch() |