{ "nbformat": 4, "nbformat_minor": 0, "metadata": { "colab": { "provenance": [], "gpuType": "T4" }, "kernelspec": { "name": "python3", "display_name": "Python 3" }, "accelerator": "GPU" }, "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Studio 3D Commercial Pack — Cloud GPU Render Box (1-Clic)\n", "\n", "**Vous n'avez pas de carte graphique NVIDIA sur votre PC ou Mac ? Pas besoin d'installer Blender chez vous !**\n", "\n", "1. Dans le menu en haut de Google Colab, vérifiez que **Exécution > Modifier le type d'exécution** est bien sur **T4 GPU**.\n", "2. Cliquez simplement sur le bouton **️ Play** de la cellule ci-dessous.\n", "3. Copiez le lien `https://xxxx.trycloudflare.com` qui s'affiche et collez-le dans le fichier `.env` sur votre ordinateur (`BLENDER_ENDPOINT=https://xxxx.trycloudflare.com`).\n", "4. Votre Agent IA local (**Claude Code, Antigravity, Cursor, Codex**) va piloter ce Blender Cloud automatiquement, envoyer vos modèles 3D et rapatrier les images rendues sur votre PC !" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "# ============================================================================\n", "# CELLULE UNIQUE 1-CLIC : INSTALLATION BLENDER GPU + SERVEUR + TUNNEL CLOUDFLARE\n", "# ============================================================================\n", "import os, sys, subprocess, tempfile, json, base64, io, zipfile, threading, time, re\n", "from http.server import BaseHTTPRequestHandler, HTTPServer\n", "from pathlib import Path\n", "\n", "WORKSPACE = Path('/content/studio3d_workspace')\n", "WORKSPACE.mkdir(parents=True, exist_ok=True)\n", "ACTIVE_BLEND = WORKSPACE / 'active_scene.blend'\n", "\n", "print('[1/3] Installation de Blender 4.2 LTS GPU (OptiX) sur le serveur Cloud...')\n", "if not Path('/opt/blender/blender').exists():\n", " subprocess.run('apt-get update -qq && apt-get install -y -qq libxrender1 libxi6 libxkbcommon0 libsm6 libice6 libgl1-mesa-glx libegl1', shell=True, check=True)\n", " subprocess.run('wget -q https://download.blender.org/release/Blender4.2/blender-4.2.3-linux-x64.tar.xz -O /tmp/blender.tar.xz', shell=True, check=True)\n", " subprocess.run('mkdir -p /opt/blender && tar -xf /tmp/blender.tar.xz -C /opt/blender --strip-components=1', shell=True, check=True)\n", " subprocess.run('ln -sf /opt/blender/blender /usr/local/bin/blender', shell=True, check=True)\n", "\n", "ver = subprocess.run(['blender', '--version'], capture_output=True, text=True).stdout.splitlines()[0]\n", "print(f'[OK] Blender installé : {ver}')\n", "\n", "print('[2/3] Installation du tunnel sécurisé Cloudflare (zéro compte requis)...')\n", "if not Path('/usr/local/bin/cloudflared').exists():\n", " subprocess.run('wget -q https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64 -O /usr/local/bin/cloudflared && chmod +x /usr/local/bin/cloudflared', shell=True, check=True)\n", "\n", "def run_blender_snippet(code_str, blend_file=None):\n", " target_blend = Path(blend_file) if blend_file else ACTIVE_BLEND\n", " wrapper = f'''\n", "import bpy, os, sys\n", "os.chdir({str(WORKSPACE)!r})\n", "if {str(WORKSPACE)!r} not in sys.path:\n", " sys.path.insert(0, {str(WORKSPACE)!r})\n", "{code_str}\n", "bpy.ops.wm.save_as_mainfile(filepath={str(ACTIVE_BLEND)!r})\n", "'''\n", " with tempfile.NamedTemporaryFile('w', suffix='.py', delete=False, encoding='utf-8') as f:\n", " f.write(wrapper)\n", " script_path = f.name\n", " try:\n", " cmd = ['blender', '-b']\n", " if target_blend.is_file():\n", " cmd.append(str(target_blend))\n", " cmd.extend(['-P', script_path])\n", " proc = subprocess.run(cmd, cwd=str(WORKSPACE), capture_output=True, text=True)\n", " return proc.returncode, proc.stdout, proc.stderr\n", " finally:\n", " if os.path.exists(script_path):\n", " os.remove(script_path)\n", "\n", "class Studio3DCloudHandler(BaseHTTPRequestHandler):\n", " def log_message(self, fmt, *args):\n", " pass\n", "\n", " def do_GET(self):\n", " body = json.dumps({'status': 'online', 'message': 'Studio 3D Cloud GPU Render Box connectee et prete !', 'blender': ver}).encode('utf-8')\n", " self.send_response(200)\n", " self.send_header('Content-Type', 'application/json')\n", " self.send_header('Content-Length', str(len(body)))\n", " self.end_headers()\n", " self.wfile.write(body)\n", "\n", " def do_POST(self):\n", " length = int(self.headers.get('Content-Length', 0))\n", " payload = json.loads(self.rfile.read(length).decode('utf-8'))\n", " cmd_type = payload.get('type', 'execute_code')\n", " params = payload.get('params') or {}\n", "\n", " if cmd_type == 'upload_bundle':\n", " b64_zip = params.get('zip_base64', '')\n", " with zipfile.ZipFile(io.BytesIO(base64.b64decode(b64_zip)), 'r') as zf:\n", " zf.extractall(WORKSPACE)\n", " names = zf.namelist()\n", " print(f'[OK] Assets synchronisés depuis le PC local ({len(names)} fichiers)')\n", " res = {'status': 'success', 'extracted': len(names)}\n", "\n", " elif cmd_type == 'execute_code':\n", " code = params.get('code', '')\n", " rc, out, err = run_blender_snippet(code, params.get('blend_file'))\n", " print(f'[OK] Script Blender exécuté (code={rc})')\n", " res = {'status': 'success' if rc == 0 else 'error', 'returncode': rc, 'stdout': out[-8000:], 'stderr': err[-4000:]}\n", "\n", " elif cmd_type == 'render_still':\n", " frame = int(params.get('frame', 1))\n", " samples = int(params.get('samples', 48))\n", " out_png = WORKSPACE / f'still_{frame:04d}.png'\n", " snippet = f'''\n", "sc = bpy.context.scene\n", "sc.frame_set({frame})\n", "if sc.render.engine == 'CYCLES' and {samples} > 0:\n", " sc.cycles.samples = {samples}\n", "sc.render.filepath = {str(out_png)!r}\n", "bpy.ops.render.render(write_still=True)\n", "'''\n", " rc, out, err = run_blender_snippet(snippet, params.get('blend_file'))\n", " b64_img = base64.b64encode(out_png.read_bytes()).decode('ascii') if out_png.is_file() else None\n", " print(f'[OK] Still Frame {frame} rendue sur GPU Cloud ({samples} samples)')\n", " res = {'status': 'success' if (rc == 0 and b64_img) else 'error', 'frame': frame, 'base64_png': b64_img, 'stdout': out[-3000:], 'stderr': err[-2000:]}\n", "\n", " elif cmd_type == 'render_batch':\n", " frames = params.get('frames') or [1]\n", " samples = int(params.get('samples', 128))\n", " batch_dir = WORKSPACE / 'batch_out'\n", " batch_dir.mkdir(parents=True, exist_ok=True)\n", " snippet = f'''\n", "sc = bpy.context.scene\n", "if sc.render.engine == 'CYCLES' and {samples} > 0:\n", " sc.cycles.samples = {samples}\n", "sc.render.use_persistent_data = True\n", "for f in {frames!r}:\n", " sc.frame_set(int(f))\n", " sc.render.filepath = os.path.join({str(batch_dir)!r}, f'frame_{{int(f):04d}}.png')\n", " bpy.ops.render.render(write_still=True)\n", "'''\n", " rc, out, err = run_blender_snippet(snippet, params.get('blend_file'))\n", " buf = io.BytesIO()\n", " with zipfile.ZipFile(buf, 'w', zipfile.ZIP_STORED) as zf:\n", " for f in frames:\n", " fp = batch_dir / f'frame_{int(f):04d}.png'\n", " if fp.is_file():\n", " zf.write(fp, fp.name)\n", " print(f'[OK] Lot de frames {frames[0]}..{frames[-1]} rendu et envoyé au PC local')\n", " res = {'status': 'success' if rc == 0 else 'error', 'zip_base64': base64.b64encode(buf.getvalue()).decode('ascii'), 'stdout': out[-3000:]}\n", " else:\n", " res = {'status': 'error', 'message': f'Unknown command: {cmd_type}'}\n", "\n", " body = json.dumps(res).encode('utf-8')\n", " self.send_response(200)\n", " self.send_header('Content-Type', 'application/json')\n", " self.send_header('Content-Length', str(len(body)))\n", " self.end_headers()\n", " self.wfile.write(body)\n", "\n", "server = HTTPServer(('0.0.0.0', 9876), Studio3DCloudHandler)\n", "threading.Thread(target=server.serve_forever, daemon=True).start()\n", "\n", "print('[3/3] Ouverture du tunnel public Cloudflare...')\n", "cf_proc = subprocess.Popen(['cloudflared', 'tunnel', '--url', 'http://localhost:9876'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True)\n", "public_url = None\n", "for _ in range(60):\n", " line = cf_proc.stdout.readline()\n", " m = re.search(r'(https://[a-zA-Z0-9-]+\\.trycloudflare\\.com)', line)\n", " if m:\n", " public_url = m.group(1)\n", " break\n", "\n", "print('\\n' + '='*76)\n", "print('STUDIO 3D CLOUD GPU RENDER BOX EST EN LIGNE !')\n", "print(f'COPIEZ CE LIEN DANS VOTRE .env : BLENDER_ENDPOINT={public_url}')\n", "print(f'Ou lancez sur votre PC : python tools/cloud_setup.py set-endpoint {public_url}')\n", "print('='*76 + '\\n')\n", "\n", "try:\n", " while True:\n", " time.sleep(10)\n", "except KeyboardInterrupt:\n", " print('Arrêt du serveur Cloud.')" ] } ] }