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on
Zero
Running
on
Zero
| 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/Toys4k.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', 'toys4k_blend_files.zip')): | |
| print("\033[93m") | |
| print("Toys4k have to be downloaded manually") | |
| print(f"Please download the toys4k_blend_files.zip file and place it in the {output_dir}/raw directory") | |
| print("Visit https://github.com/rehg-lab/lowshot-shapebias/tree/main/toys4k for more information") | |
| print("\033[0m") | |
| raise FileNotFoundError("toys4k_blend_files.zip not found") | |
| downloaded = {} | |
| metadata = metadata.set_index("file_identifier") | |
| with zipfile.ZipFile(os.path.join(output_dir, 'raw', 'toys4k_blend_files.zip')) as zip_ref: | |
| with ThreadPoolExecutor(max_workers=os.cpu_count()) as executor, \ | |
| tqdm(total=len(metadata), desc="Extracting") as pbar: | |
| def worker(instance: str) -> str: | |
| try: | |
| zip_ref.extract(os.path.join('toys4k_blend_files', instance), os.path.join(output_dir, 'raw')) | |
| sha256 = get_file_hash(os.path.join(output_dir, 'raw/toys4k_blend_files', instance)) | |
| pbar.update() | |
| return sha256 | |
| except Exception as e: | |
| pbar.update() | |
| print(f"Error extracting for {instance}: {e}") | |
| return None | |
| sha256s = executor.map(worker, metadata.index) | |
| executor.shutdown(wait=True) | |
| for k, sha256 in zip(metadata.index, sha256s): | |
| if sha256 is not None: | |
| if sha256 == metadata.loc[k, "sha256"]: | |
| downloaded[sha256] = os.path.join("raw/toys4k_blend_files", k) | |
| 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) | |