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Pixal3D HF Space Proxy
======================
This is a lightweight proxy app for HF Space that redirects users to a
locally deployed Gradio share link.
Setup:
1. Deploy this as your HF Space app.py
2. Set HF Space Secret: REMOTE_URL = your local share link (e.g. https://xxxxx.gradio.live)
3. Users visiting the HF Space will be seamlessly redirected to your local instance.
To update the share link:
- Go to HF Space Settings -> Variables and secrets -> Update REMOTE_URL
"""
import os
import gradio as gr
REMOTE_URL = os.environ.get("REMOTE_URL", "")
GPU_NAME = os.environ.get("GPU_NAME", "")
# Multi-instance support: REMOTE_URL as #0, REMOTE_URL_1, REMOTE_URL_2, REMOTE_URL_3
REMOTE_URLS = []
if REMOTE_URL:
name0 = os.environ.get("REMOTE_NAME", "Instance 0")
REMOTE_URLS.append({"url": REMOTE_URL, "name": name0})
for i in range(1, 4):
url = os.environ.get(f"REMOTE_URL_{i}", "")
name = os.environ.get(f"REMOTE_NAME_{i}", f"Instance {i}")
if url:
REMOTE_URLS.append({"url": url, "name": name})
PROXY_HTML = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Pixal3D | AI Image-to-3D</title>
<style>
* {{ margin: 0; padding: 0; box-sizing: border-box; }}
html, body {{
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #0b0f1a;
color: #f1f5f9;
height: 100%;
overflow: hidden;
display: flex;
flex-direction: column;
}}
.header {{
padding: 8px 24px;
background: rgba(22, 28, 45, 0.9);
border-bottom: 1px solid rgba(255,255,255,0.08);
display: flex;
align-items: center;
gap: 16px;
backdrop-filter: blur(12px);
}}
.header h1 {{
font-size: 16px;
font-weight: 700;
background: linear-gradient(135deg, #818cf8, #10b981);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
white-space: nowrap;
}}
.header .notice {{
flex: 1;
font-size: 12px;
color: #fbbf24;
text-align: center;
}}
.status {{
display: flex;
align-items: center;
gap: 6px;
font-size: 12px;
color: #94a3b8;
white-space: nowrap;
}}
.status-dot {{
width: 7px;
height: 7px;
border-radius: 50%;
background: {status_color};
animation: {status_anim};
}}
@keyframes pulse {{
0%, 100% {{ opacity: 1; }}
50% {{ opacity: 0.4; }}
}}
.iframe-container {{
flex: 1;
position: relative;
}}
.iframe-container iframe {{
width: 100%;
height: 100%;
border: none;
position: absolute;
top: 0;
left: 0;
}}
.no-url {{
flex: 1;
display: flex;
align-items: center;
justify-content: center;
padding: 40px;
}}
.no-url-card {{
max-width: 560px;
background: rgba(22, 28, 45, 0.8);
border: 1px solid rgba(255,255,255,0.08);
border-radius: 16px;
padding: 48px;
text-align: center;
}}
.no-url-card h2 {{
font-size: 24px;
margin-bottom: 16px;
}}
.no-url-card p {{
color: #94a3b8;
line-height: 1.7;
margin-bottom: 12px;
}}
.no-url-card code {{
background: rgba(129, 140, 248, 0.15);
color: #818cf8;
padding: 2px 8px;
border-radius: 4px;
font-size: 13px;
}}
.cards-container {{
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 40px;
overflow-y: auto;
}}
.cards-grid {{
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 28px;
max-width: 1000px;
width: 100%;
}}
.instance-card {{
width: 100%;
background: rgba(22, 28, 45, 0.8);
border: 1px solid rgba(255,255,255,0.08);
border-radius: 24px;
padding: 60px 48px;
text-align: center;
transition: transform 0.2s, border-color 0.2s;
}}
.instance-card:hover {{
transform: translateY(-4px);
border-color: rgba(129, 140, 248, 0.4);
}}
.instance-card h3 {{
font-size: 26px;
margin-bottom: 16px;
color: #f1f5f9;
}}
.queue-status {{
display: inline-flex;
align-items: center;
gap: 8px;
padding: 8px 16px;
border-radius: 20px;
font-size: 15px;
font-weight: 600;
margin-bottom: 8px;
background: rgba(148, 163, 184, 0.1);
color: #94a3b8;
}}
.queue-status.idle {{
background: rgba(16, 185, 129, 0.15);
color: #10b981;
}}
.queue-status.busy {{
background: rgba(251, 146, 60, 0.15);
color: #fb923c;
}}
.queue-status.offline {{
background: rgba(239, 68, 68, 0.15);
color: #ef4444;
}}
.queue-dot {{
width: 8px;
height: 8px;
border-radius: 50%;
background: currentColor;
animation: pulse 2s infinite;
}}
.instance-card .url-hint {{
font-size: 13px;
color: #64748b;
margin-top: 18px;
word-break: break-all;
}}
.instance-card .btn-go {{
display: inline-block;
margin-top: 24px;
padding: 16px 44px;
background: linear-gradient(135deg, #818cf8, #10b981);
color: #ffffff !important;
border-radius: 12px;
text-decoration: none !important;
font-weight: 700;
font-size: 18px;
transition: opacity 0.2s;
}}
.instance-card .btn-go:hover {{
opacity: 0.85;
text-decoration: none !important;
}}
.instance-card .btn-go:hover {{
opacity: 0.85;
}}
.link-bar {{
padding: 8px 24px;
background: rgba(16, 185, 129, 0.08);
border-top: 1px solid rgba(16, 185, 129, 0.2);
font-size: 12px;
color: #94a3b8;
text-align: center;
}}
.link-bar a {{
color: #10b981;
text-decoration: none;
}}
.link-bar a:hover {{ text-decoration: underline; }}
</style>
</head>
<body>
<div class="header">
<h1>Pixal3D</h1>
<span class="notice"></span>
<div class="status">
<div class="status-dot"></div>
<span>{status_text}</span>
</div>
</div>
{content}
</body>
</html>
"""
def build_page():
# If multi-instance URLs are configured, show cards
if REMOTE_URLS:
status_color = "#10b981"
status_anim = "pulse 2s infinite"
status_text = f"{len(REMOTE_URLS)} instance(s) available"
cards_html = ""
for i, inst in enumerate(REMOTE_URLS):
cards_html += f"""
<div class="instance-card">
<h3>🖥️ {inst['name']}</h3>
<p style="color:#94a3b8; font-size:14px; margin-bottom:8px;">⚡ Shared GPU — requests are queued</p>
<div class="queue-status" id="queue-status-{i}">
<span class="queue-dot"></span>
<span id="queue-text-{i}">Checking...</span>
</div>
<a href="{inst['url']}" target="_blank" rel="noopener noreferrer" class="btn-go">
Open Instance {i}
</a>
<p class="url-hint"><code>{inst['url']}</code></p>
</div>
"""
# Build JS array of instance URLs for direct polling (Gradio share links support CORS natively)
urls_js = ", ".join(['"' + inst["url"].rstrip("/") + '"' for inst in REMOTE_URLS])
content = f"""
<div class="cards-container">
<div style="width:100%; text-align:center; margin-bottom:16px;">
<h2 style="font-size:28px; margin-bottom:12px;">🚀 Choose a Pixal3D Instance</h2>
<p style="color:#fbbf24; font-size:15px; margin-bottom:8px;">⚠️ Due to a temporary HuggingFace error, this Space is currently unavailable. Please use one of the instances below.</p>
<p style="color:#10b981; font-size:14px; margin-top:10px; font-weight:600;">💡 Choose the instance with the shortest queue!</p>
</div>
<div class="cards-grid">
{cards_html}
</div>
</div>
"""
poll_script = f"""
const INSTANCE_URLS = [{urls_js}];
async function pollQueues() {{
for (let i = 0; i < INSTANCE_URLS.length; i++) {{
try {{
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), 5000);
const resp = await fetch(INSTANCE_URLS[i] + '/queue?session_id=', {{
signal: controller.signal
}});
clearTimeout(timeout);
if (resp.ok) {{
const data = await resp.json();
const total = data.total_waiting + (data.gpu_busy ? 1 : 0);
const el = document.getElementById('queue-text-' + i);
const status = document.getElementById('queue-status-' + i);
if (total === 0) {{
el.textContent = 'Idle — no queue';
status.className = 'queue-status idle';
}} else {{
el.textContent = total + ' in queue';
status.className = 'queue-status busy';
}}
}} else {{
const el = document.getElementById('queue-text-' + i);
const status = document.getElementById('queue-status-' + i);
if (el) {{
el.textContent = 'Offline';
status.className = 'queue-status offline';
}}
}}
}} catch (e) {{
const el = document.getElementById('queue-text-' + i);
const status = document.getElementById('queue-status-' + i);
if (el) {{
el.textContent = 'Offline';
status.className = 'queue-status offline';
}}
}}
}}
}}
pollQueues();
setInterval(pollQueues, 5000);
"""
else:
status_color = "#ef4444"
status_anim = "pulse 1.5s infinite"
status_text = "Remote instance not configured"
poll_script = ""
content = """
<div class="no-url">
<div class="no-url-card">
<h2>⚡ Remote GPU Instance Not Connected</h2>
<p>This Space acts as a proxy to a locally-deployed Pixal3D instance running on a dedicated GPU.</p>
<p>To connect, set the <code>REMOTE_URL</code> secret in this Space's settings to your Gradio share link.</p>
<p style="margin-top:24px; font-size:13px;">
Example: <code>https://abcdef123456.gradio.live</code>
</p>
</div>
</div>
"""
html = PROXY_HTML.format(
status_color=status_color,
status_anim=status_anim,
status_text=status_text,
gpu_name=GPU_NAME,
content=content,
)
return html, poll_script
# Use a simple Gradio Blocks app with HTML component
page_html, page_script = build_page()
with gr.Blocks(
title="Pixal3D | AI Image-to-3D",
css="footer {display:none !important;} .gradio-container {padding:0 !important; max-width:100% !important; height:100vh !important; overflow:hidden !important;} #proxy-frame {height:100%; max-height:100vh; padding:0; overflow:hidden;}",
theme=gr.themes.Base(),
) as demo:
gr.HTML(page_html, elem_id="proxy-frame", js_on_load=page_script if page_script else None)
if __name__ == "__main__":
demo.launch(share=True)
|