SceneDiffuserDemo / interface.py
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import os
import random
import torch
import hydra
import numpy as np
import zipfile
from typing import Any
from hydra import compose, initialize
from omegaconf import DictConfig, OmegaConf
from huggingface_hub import hf_hub_download
from utils.misc import compute_model_dim
from datasets.base import create_dataset
from datasets.misc import collate_fn_general, collate_fn_squeeze_pcd_batch
from models.base import create_model
from models.visualizer import create_visualizer
from models.environment import create_enviroment
def pretrain_pointtrans_weight_path():
return hf_hub_download('SceneDiffuser/SceneDiffuser', 'weights/POINTTRANS_C_32768/model.pth')
def model_weight_path(task, has_observation=False):
if task == 'pose_gen':
return hf_hub_download('SceneDiffuser/SceneDiffuser', 'weights/2022-11-09_11-22-52_PoseGen_ddm4_lr1e-4_ep100/ckpts/model.pth')
elif task == 'motion_gen' and has_observation == True:
return hf_hub_download('SceneDiffuser/SceneDiffuser', 'weights//ckpts/model.pth')
elif task == 'motion_gen' and has_observation == False:
return hf_hub_download('SceneDiffuser/SceneDiffuser', 'weights//ckpts/model.pth')
elif task == 'path_planning':
return hf_hub_download('SceneDiffuser/SceneDiffuser', 'weights/2022-11-25_20-57-28_Path_ddm4_LR1e-4_E100_REL/ckpts/model.pth')
else:
raise Exception('Unexcepted task.')
def pose_motion_data_path():
zip_path = hf_hub_download('SceneDiffuser/SceneDiffuser', 'hf_data/pose_motion.zip')
with zipfile.ZipFile(zip_path, 'r') as zip_ref:
zip_ref.extractall(os.path.dirname(zip_path))
rpath = os.path.join(os.path.dirname(zip_path), 'pose_motion')
return (
os.path.join(rpath, 'PROXD_temp'),
os.path.join(rpath, 'models_smplx_v1_1/models/'),
os.path.join(rpath, 'PROX'),
os.path.join(rpath, 'PROX/V02_05')
)
def path_planning_data_path():
zip_path = hf_hub_download('SceneDiffuser/SceneDiffuser', 'hf_data/path_planning.zip')
with zipfile.ZipFile(zip_path, 'r') as zip_ref:
zip_ref.extractall(os.path.dirname(zip_path))
return os.path.join(os.path.dirname(zip_path), 'path_planning')
def load_ckpt(model: torch.nn.Module, path: str) -> None:
""" load ckpt for current model
Args:
model: current model
path: save path
"""
assert os.path.exists(path), 'Can\'t find provided ckpt.'
saved_state_dict = torch.load(path)['model']
model_state_dict = model.state_dict()
for key in model_state_dict:
if key in saved_state_dict:
model_state_dict[key] = saved_state_dict[key]
## model is trained with ddm
if 'module.'+key in saved_state_dict:
model_state_dict[key] = saved_state_dict['module.'+key]
model.load_state_dict(model_state_dict)
def _sampling(cfg: DictConfig, scene: str) -> Any:
## compute modeling dimension according to task
cfg.model.d_x = compute_model_dim(cfg.task)
if cfg.gpu is not None:
device = f'cuda:{cfg.gpu}'
else:
device = 'cpu'
dataset = create_dataset(cfg.task.dataset, 'test', cfg.slurm, case_only=True, specific_scene=scene)
if cfg.model.scene_model.name == 'PointTransformer':
collate_fn = collate_fn_squeeze_pcd_batch
else:
collate_fn = collate_fn_general
dataloader = dataset.get_dataloader(
batch_size=1,
collate_fn=collate_fn,
shuffle=True,
)
## create model and load ckpt
model = create_model(cfg, slurm=cfg.slurm, device=device)
model.to(device=device)
load_ckpt(model, path=model_weight_path(cfg.task.name, cfg.task.has_observation if 'has_observation' in cfg.task else False))
## create visualizer and visualize
visualizer = create_visualizer(cfg.task.visualizer)
results = visualizer.visualize(model, dataloader)
return results
def _planning(cfg: DictConfig, scene: str) -> Any:
## compute modeling dimension according to task
cfg.model.d_x = compute_model_dim(cfg.task)
if cfg.gpu is not None:
device = f'cuda:{cfg.gpu}'
else:
device = 'cpu'
dataset = create_dataset(cfg.task.dataset, 'test', cfg.slurm, case_only=True, specific_scene=scene)
if cfg.model.scene_model.name == 'PointTransformer':
collate_fn = collate_fn_squeeze_pcd_batch
else:
collate_fn = collate_fn_general
dataloader = dataset.get_dataloader(
batch_size=1,
collate_fn=collate_fn,
shuffle=True,
)
## create model and load ckpt
model = create_model(cfg, slurm=cfg.slurm, device=device)
model.to(device=device)
load_ckpt(model, path=model_weight_path(cfg.task.name, cfg.task.has_observation if 'has_observation' in cfg.task else False))
## create environment for planning task and run
env = create_enviroment(cfg.task.env)
results = env.run(model, dataloader)
return results
## interface for five task
## real-time model: pose generation, path planning
def pose_generation(scene, count, seed, opt, scale) -> Any:
scene_model_weight_path = pretrain_pointtrans_weight_path()
data_dir, smpl_dir, prox_dir, vposer_dir = pose_motion_data_path()
override_config = [
"diffuser=ddpm",
"model=unet",
f"model.scene_model.pretrained_weights={scene_model_weight_path}",
"task=pose_gen",
"task.visualizer.name=PoseGenVisualizerHF",
f"task.visualizer.ksample={count}",
f"task.dataset.data_dir={data_dir}",
f"task.dataset.smpl_dir={smpl_dir}",
f"task.dataset.prox_dir={prox_dir}",
f"task.dataset.vposer_dir={vposer_dir}",
]
if opt == True:
override_config += [
"optimizer=pose_in_scene",
"optimizer.scale_type=div_var",
f"optimizer.scale={scale}",
"optimizer.vposer=false",
"optimizer.contact_weight=0.02",
"optimizer.collision_weight=1.0"
]
initialize(config_path="./scenediffuser/configs", version_base=None)
config = compose(config_name="default", overrides=override_config)
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
res = _sampling(config, scene)
hydra.core.global_hydra.GlobalHydra.instance().clear()
return res
def motion_generation(scene):
assert isinstance(scene, str)
cnt = {
'MPH1Library': 3,
'MPH16': 6,
'N0SittingBooth': 7,
'N3OpenArea': 5
}[scene]
res = f"./results/motion_generation/results/{scene}/{random.randint(0, cnt-1)}.gif"
if not os.path.exists(res):
results_path = hf_hub_download('SceneDiffuser/SceneDiffuser', 'results/motion_generation/results.zip')
os.makedirs('./results/motion_generation/', exist_ok=True)
with zipfile.ZipFile(results_path, 'r') as zip_ref:
zip_ref.extractall('./results/motion_generation/')
return res
def grasp_generation(case_id):
assert isinstance(case_id, str)
res = f"./results/grasp_generation/results/{case_id}/{random.randint(0, 19)}.glb"
if not os.path.exists(res):
results_path = hf_hub_download('SceneDiffuser/SceneDiffuser', 'results/grasp_generation/results.zip')
os.makedirs('./results/grasp_generation/', exist_ok=True)
with zipfile.ZipFile(results_path, 'r') as zip_ref:
zip_ref.extractall('./results/grasp_generation/')
return res
def path_planning(scene, mode, count, seed, opt, scale_opt, pla, scale_pla):
scene_model_weight_path = pretrain_pointtrans_weight_path()
data_dir = path_planning_data_path()
override_config = [
"diffuser=ddpm",
"model=unet",
"model.use_position_embedding=true",
f"model.scene_model.pretrained_weights={scene_model_weight_path}",
"task=path_planning",
"task.visualizer.name=PathPlanningRenderingVisualizerHF",
f"task.visualizer.ksample={count}",
f"task.dataset.data_dir={data_dir}",
"task.dataset.repr_type=relative",
"task.env.name=PathPlanningEnvWrapperHF",
"task.env.inpainting_horizon=16",
"task.env.robot_top=3.0",
"task.env.env_adaption=false"
]
if opt == True:
override_config += [
"optimizer=path_in_scene",
"optimizer.scale_type=div_var",
"optimizer.continuity=false",
f"optimizer.scale={scale_opt}",
]
if pla == True:
override_config += [
"planner=greedy_path_planning",
f"planner.scale={scale_pla}",
"planner.scale_type=div_var",
"planner.greedy_type=all_frame_exp"
]
initialize(config_path="./scenediffuser/configs", version_base=None)
config = compose(config_name="default", overrides=override_config)
random.seed(seed)
np.random.seed(seed)
torch.manual_seed(seed)
torch.cuda.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
if mode == 'Sampling':
img = _sampling(config, scene)
res = (img, 0)
elif mode == 'Planning':
res = _planning(config, scene)
else:
res = (None, 0)
hydra.core.global_hydra.GlobalHydra.instance().clear()
return res