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import spaces
import gradio as gr
import os
import sys
from glob import glob
import time
from typing import Any, Union
import numpy as np
import torch
print(f'torch version:{torch.__version__}')
import trimesh
import glob
from huggingface_hub import snapshot_download
from PIL import Image
from accelerate.utils import set_seed
import subprocess
import importlib, site, sys
# Re-discover all .pth/.egg-link files
for sitedir in site.getsitepackages():
site.addsitedir(sitedir)
# Clear caches so importlib will pick up new modules
importlib.invalidate_caches()
def sh(cmd): subprocess.check_call(cmd, shell=True)
def install_cuda_toolkit():
CUDA_TOOLKIT_URL = "https://developer.download.nvidia.com/compute/cuda/12.6.0/local_installers/cuda_12.6.0_560.28.03_linux.run"
CUDA_TOOLKIT_FILE = "/tmp/%s" % os.path.basename(CUDA_TOOLKIT_URL)
subprocess.check_call(["wget", "-q", CUDA_TOOLKIT_URL, "-O", CUDA_TOOLKIT_FILE])
subprocess.check_call(["chmod", "+x", CUDA_TOOLKIT_FILE])
subprocess.check_call([CUDA_TOOLKIT_FILE, "--silent", "--toolkit"])
os.environ["CUDA_HOME"] = "/usr/local/cuda"
os.environ["PATH"] = "%s/bin:%s" % (os.environ["CUDA_HOME"], os.environ["PATH"])
os.environ["LD_LIBRARY_PATH"] = "%s/lib:%s" % (
os.environ["CUDA_HOME"],
"" if "LD_LIBRARY_PATH" not in os.environ else os.environ["LD_LIBRARY_PATH"],
)
# add for compiler header lookup
os.environ["CPATH"] = f"{os.environ['CUDA_HOME']}/include" + (
f":{os.environ['CPATH']}" if "CPATH" in os.environ else ""
)
# Fix: arch_list[-1] += '+PTX'; IndexError: list index out of range
os.environ["TORCH_CUDA_ARCH_LIST"] = "8.9;9.0"
print("==> finished installation")
print("installing cuda toolkit")
install_cuda_toolkit()
print("finished")
header_path = "/usr/local/cuda/include/cuda_runtime.h"
print(f"{header_path} exists:", os.path.exists(header_path))
def sh(cmd_list, extra_env=None):
env = os.environ.copy()
if extra_env:
env.update(extra_env)
subprocess.check_call(cmd_list, env=env)
# install with FORCE_CUDA=1
sh(["pip", "install", "diso"], {"FORCE_CUDA": "1"})
# sh(["pip", "install", "torch-cluster", "-f", "https://data.pyg.org/whl/torch-2.7.0+126.html"])
# tell Python to re-scan site-packages now that the egg-link exists
import importlib, site; site.addsitedir(site.getsitepackages()[0]); importlib.invalidate_caches()
from src.utils.data_utils import get_colored_mesh_composition, scene_to_parts, load_surfaces
from src.utils.render_utils import render_views_around_mesh, render_normal_views_around_mesh, make_grid_for_images_or_videos, export_renderings
from src.pipelines.pipeline_partcrafter import PartCrafterPipeline
from src.utils.image_utils import prepare_image
from src.models.briarmbg import BriaRMBG
# Constants
MAX_NUM_PARTS = 16
DEVICE = "cuda"
DTYPE = torch.float16
# Download and initialize models
partcrafter_weights_dir = "pretrained_weights/PartCrafter"
rmbg_weights_dir = "pretrained_weights/RMBG-1.4"
snapshot_download(repo_id="wgsxm/PartCrafter", local_dir=partcrafter_weights_dir)
snapshot_download(repo_id="briaai/RMBG-1.4", local_dir=rmbg_weights_dir)
rmbg_net = BriaRMBG.from_pretrained(rmbg_weights_dir).to(DEVICE)
rmbg_net.eval()
pipe: PartCrafterPipeline = PartCrafterPipeline.from_pretrained(partcrafter_weights_dir).to(DEVICE, DTYPE)
def first_file_from_dir(directory, ext):
files = glob.glob(os.path.join(directory, f"*.{ext}"))
return sorted(files)[0] if files else None
@spaces.GPU()
@torch.no_grad()
def run_triposg(image_path: str,
num_parts: int = 1,
seed: int = 0,
num_tokens: int = 1024,
num_inference_steps: int = 50,
guidance_scale: float = 7.0,
use_flash_decoder: bool = False,
rmbg: bool = True):
max_num_expanded_coords = 1e9
"""
Generate 3D part meshes from an input image.
"""
if rmbg:
img_pil = prepare_image(image_path, bg_color=np.array([1.0, 1.0, 1.0]), rmbg_net=rmbg_net)
else:
img_pil = Image.open(image_path)
set_seed(seed)
start_time = time.time()
outputs = pipe(
image=[img_pil] * num_parts,
attention_kwargs={"num_parts": num_parts},
num_tokens=num_tokens,
generator=torch.Generator(device=pipe.device).manual_seed(seed),
num_inference_steps=num_inference_steps,
guidance_scale=guidance_scale,
max_num_expanded_coords=max_num_expanded_coords,
use_flash_decoder=use_flash_decoder,
).meshes
duration = time.time() - start_time
print(f"Generation time: {duration:.2f}s")
# Ensure no None outputs
for i, mesh in enumerate(outputs):
if mesh is None:
outputs[i] = trimesh.Trimesh(vertices=[[0,0,0]], faces=[[0,0,0]])
# Merge and color
merged = get_colored_mesh_composition(outputs)
# Export meshes and return results
timestamp = time.strftime("%Y%m%d_%H%M%S")
export_dir = os.path.join("results", timestamp)
os.makedirs(export_dir, exist_ok=True)
for idx, mesh in enumerate(outputs):
mesh.export(os.path.join(export_dir, f"part_{idx:02}.glb"))
glb_path = os.path.join(export_dir, "object.glb")
merged.export(glb_path)
mesh_file = first_file_from_dir(export_dir, "glb")
return mesh_file, export_dir
# Gradio Interface
def build_demo():
css = """
#col-container {
margin: 0 auto;
max-width: 1024px;
}
"""
theme = gr.themes.Ocean()
with gr.Blocks(css=css, theme=theme) as demo:
with gr.Column(elem_id="col-container"):
gr.Markdown(
""" # PartCrafter – Structured 3D Mesh Generation via Compositional Latent Diffusion Transformers
• Source: [Github](https://github.com/wgsxm/PartCrafter)
• HF Space by : [@alexandernasa](https://twitter.com/alexandernasa/) """
)
with gr.Row():
with gr.Column(scale=1):
input_image = gr.Image(type="filepath", label="Input Image")
num_parts = gr.Slider(1, MAX_NUM_PARTS, value=4, step=1, label="Number of Parts")
run_button = gr.Button("Generate 3D Parts", variant="primary")
with gr.Accordion("Advanced Settings", open=False):
seed = gr.Number(value=0, label="Random Seed", precision=0)
num_tokens = gr.Slider(256, 2048, value=1024, step=64, label="Num Tokens")
num_steps = gr.Slider(1, 100, value=50, step=1, label="Inference Steps")
guidance = gr.Slider(1.0, 20.0, value=7.0, step=0.1, label="Guidance Scale")
flash_decoder = gr.Checkbox(value=False, label="Use Flash Decoder")
remove_bg = gr.Checkbox(value=True, label="Remove Background (RMBG)")
with gr.Column(scale=1):
gr.HTML(
"""
<p style="opacity: 0.6; font-style: italic;">
This might take a few seconds to load the 3D model
</p>
"""
)
output_model = gr.Model3D(label="Merged 3D Object")
output_dir = gr.Textbox(label="Export Directory")
examples = gr.Examples(
examples=[
[
"assets/images/np5_b81f29e567ea4db48014f89c9079e403.png",
5,
],
[
"assets/images/np10_cc486e491a2c499f9fd2aad2b02c6ccb.png",
10,
],
[
"assets/images/np4_7bd5d25aa77b4fb18e780d7a4c97d342.png",
4,
],
],
inputs=[input_image, num_parts],
outputs=[output_model, output_dir],
fn=run_triposg,
cache_examples=True,
)
run_button.click(fn=run_triposg,
inputs=[input_image, num_parts, seed, num_tokens, num_steps,
guidance, flash_decoder, remove_bg],
outputs=[output_model, output_dir])
return demo
if __name__ == "__main__":
demo = build_demo()
demo.launch() |