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| import os | |
| import re | |
| import argparse | |
| import zipfile | |
| from concurrent.futures import ThreadPoolExecutor | |
| from tqdm import tqdm | |
| import pandas as pd | |
| from utils import get_file_hash | |
| def add_args(parser: argparse.ArgumentParser): | |
| pass | |
| def get_metadata(**kwargs): | |
| metadata = pd.read_csv("hf://datasets/JeffreyXiang/TRELLIS-500K/3D-FUTURE.csv") | |
| return metadata | |
| def download(metadata, output_dir, **kwargs): | |
| os.makedirs(output_dir, exist_ok=True) | |
| if not os.path.exists(os.path.join(output_dir, 'raw', '3D-FUTURE-model.zip')): | |
| print("\033[93m") | |
| print("3D-FUTURE have to be downloaded manually") | |
| print(f"Please download the 3D-FUTURE-model.zip file and place it in the {output_dir}/raw directory") | |
| print("Visit https://tianchi.aliyun.com/specials/promotion/alibaba-3d-future for more information") | |
| print("\033[0m") | |
| raise FileNotFoundError("3D-FUTURE-model.zip not found") | |
| downloaded = {} | |
| metadata = metadata.set_index("file_identifier") | |
| with zipfile.ZipFile(os.path.join(output_dir, 'raw', '3D-FUTURE-model.zip')) as zip_ref: | |
| all_names = zip_ref.namelist() | |
| instances = [instance[:-1] for instance in all_names if re.match(r"^3D-FUTURE-model/[^/]+/$", instance)] | |
| instances = list(filter(lambda x: x in metadata.index, instances)) | |
| with ThreadPoolExecutor(max_workers=os.cpu_count()) as executor, \ | |
| tqdm(total=len(instances), desc="Extracting") as pbar: | |
| def worker(instance: str) -> str: | |
| try: | |
| instance_files = list(filter(lambda x: x.startswith(f"{instance}/") and not x.endswith("/"), all_names)) | |
| zip_ref.extractall(os.path.join(output_dir, 'raw'), members=instance_files) | |
| sha256 = get_file_hash(os.path.join(output_dir, 'raw', f"{instance}/image.jpg")) | |
| pbar.update() | |
| return sha256 | |
| except Exception as e: | |
| pbar.update() | |
| print(f"Error extracting for {instance}: {e}") | |
| return None | |
| sha256s = executor.map(worker, instances) | |
| executor.shutdown(wait=True) | |
| for k, sha256 in zip(instances, sha256s): | |
| if sha256 is not None: | |
| if sha256 == metadata.loc[k, "sha256"]: | |
| downloaded[sha256] = os.path.join("raw", f"{k}/raw_model.obj") | |
| else: | |
| print(f"Error downloading {k}: sha256s do not match") | |
| return pd.DataFrame(downloaded.items(), columns=['sha256', 'local_path']) | |
| def foreach_instance(metadata, output_dir, func, max_workers=None, desc='Processing objects') -> pd.DataFrame: | |
| import os | |
| from concurrent.futures import ThreadPoolExecutor | |
| from tqdm import tqdm | |
| # load metadata | |
| metadata = metadata.to_dict('records') | |
| # processing objects | |
| records = [] | |
| max_workers = max_workers or os.cpu_count() | |
| try: | |
| with ThreadPoolExecutor(max_workers=max_workers) as executor, \ | |
| tqdm(total=len(metadata), desc=desc) as pbar: | |
| def worker(metadatum): | |
| try: | |
| local_path = metadatum['local_path'] | |
| sha256 = metadatum['sha256'] | |
| file = os.path.join(output_dir, local_path) | |
| record = func(file, sha256) | |
| if record is not None: | |
| records.append(record) | |
| pbar.update() | |
| except Exception as e: | |
| print(f"Error processing object {sha256}: {e}") | |
| pbar.update() | |
| executor.map(worker, metadata) | |
| executor.shutdown(wait=True) | |
| except: | |
| print("Error happened during processing.") | |
| return pd.DataFrame.from_records(records) | |