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import os, base64, json, uuid, torch, gradio as gr
from pathlib import Path
from src.llm.chat import FunctionCallingChat
chatbot = FunctionCallingChat()
chatbot.temperature = 0.7
def image_to_base64(image_path: str):
with open(image_path, "rb") as f:
return base64.b64encode(f.read()).decode("utf-8")
def save_uploaded_image(pil_img) -> Path:
"""Save PIL image to ./static and return its path."""
Path("static").mkdir(exist_ok=True)
filename = f"upload_{uuid.uuid4().hex[:8]}.png"
path = Path("static") / filename
pil_img.save(path)
return path
def inference(pil_img, prompt, task, temperature):
if pil_img is None:
return "❗ Please upload an image first."
img_path = save_uploaded_image(pil_img)
chatbot.temperature = temperature
# build user message
if task == "Detection":
user_msg = f"Please detect objects in the image '{img_path}'."
elif task == "Segmentation":
user_msg = f"Please segment objects in the image '{img_path}'."
else:
prompt = prompt.strip() or "Analyse this image."
user_msg = f"{prompt} (image: '{img_path}')"
try:
out = chatbot(user_msg)
txt = (
"### 🔧 Raw tool-call\n"
f"{out['raw_tool_call']}\n\n"
"### 📦 Tool results\n"
f"{json.dumps(out['results'], indent=2)}"
)
return txt
finally:
# 4️⃣ always delete the temp image
try:
img_path.unlink(missing_ok=True)
except Exception:
pass # if deletion fails we just move on
def create_header():
with gr.Row():
with gr.Column(scale=1):
logo_base64 = image_to_base64("static/aivn_logo.png")
gr.HTML(
f"""<img src="data:image/png;base64,{logo_base64}"
alt="Logo"
style="height:120px;width:auto;margin-right:20px;margin-bottom:20px;">"""
)
with gr.Column(scale=4):
gr.Markdown(
"""
<div style="display:flex;justify-content:space-between;align-items:center;padding:0 15px;">
<div>
<h1 style="margin-bottom:0;">🖼️ Vision Tool-Calling Demo</h1>
<p style="margin-top:0.5em;color:#666;">LLM-driven Detection & Segmentation</p>
</div>
<div style="text-align:right;border-left:2px solid #ddd;padding-left:20px;">
<h3 style="margin:0;color:#2c3e50;">🚀 AIO2024 Module 10 Project 🤗</h3>
<p style="margin:0;color:#7f8c8d;">🔍 Using Llama 3.2-1B + YOLO + SAM</p>
</div>
</div>
"""
)
def create_footer():
footer_html = """
<style>
.sticky-footer{position:fixed;bottom:0;left:0;width:100%;background:white;
padding:10px;box-shadow:0 -2px 10px rgba(0,0,0,0.1);z-index:1000;}
.content-wrap{padding-bottom:60px;}
</style>
<div class="sticky-footer">
<div style="text-align:center;font-size:14px;">
Created by <a href="https://vlai.work" target="_blank"
style="color:#007BFF;text-decoration:none;">VLAI</a> • AI VIETNAM
</div>
</div>
"""
return gr.HTML(footer_html)
custom_css = """
.gradio-container {min-height:100vh;}
.content-wrap {padding-bottom:60px;}
.full-width-btn {width:100%!important;height:50px!important;font-size:18px!important;
margin-top:20px!important;background:linear-gradient(45deg,#FF6B6B,#4ECDC4)!important;
color:white!important;border:none!important;}
.full-width-btn:hover {background:linear-gradient(45deg,#FF5252,#3CB4AC)!important;}
"""
# ──────────────────────────── Blocks ─────────────────────────
with gr.Blocks(css=custom_css) as demo:
create_header()
with gr.Row(equal_height=True, variant="panel"):
with gr.Column(scale=3):
upload_image = gr.Image(label="Upload image", type="pil")
prompt_input = gr.Textbox(label="Optional prompt", placeholder="e.g. Detect cats only")
task_choice = gr.Radio(["Auto", "Detection", "Segmentation"],
value="Auto", label="Task")
# NEW temperature slider
temp_slider = gr.Slider(minimum=0.1, maximum=1.5, step=0.1,
value=0.7, label="Temperature (sampling)")
submit_btn = gr.Button("Run 🔧", elem_classes="full-width-btn")
with gr.Column(scale=4):
output_text = gr.Markdown(label="Result")
submit_btn.click(
inference,
inputs=[upload_image, prompt_input, task_choice, temp_slider],
outputs=output_text,
)
create_footer()
if __name__ == "__main__":
demo.launch(allowed_paths=["static/aivn_logo.png", "static"])
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