| 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 |
| |
| |
| metadata = metadata.to_dict('records') |
|
|
| |
| 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) |
|
|
