add support for libero2lerobot (#42)

* add libero2lerobot readme

* use datatrove for libero2lerobot

* update libero2lerobot readme

* update README.md

* Update libero2lerobot/README.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update libero2lerobot/README.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* fix

* set upload_large_folder to false

* use vectorized operations for faster transform

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
This commit is contained in:
Qizhi Chen
2025-06-27 11:36:25 +08:00
committed by GitHub
parent e7ee6a0052
commit 4dc21b9b70
8 changed files with 932 additions and 1 deletions
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import argparse
import os
import re
import shutil
from pathlib import Path
import pandas as pd
import ray
from datatrove.executor import LocalPipelineExecutor, RayPipelineExecutor
from datatrove.pipeline.base import PipelineStep
from lerobot.common.datasets.lerobot_dataset import LeRobotDataset, LeRobotDatasetMetadata
from lerobot.common.datasets.utils import (
write_episode,
write_episode_stats,
write_info,
write_task,
)
from libero_utils.config import LIBERO_FEATURES
from libero_utils.lerobot_utils import validate_all_metadata
from libero_utils.libero_utils import load_local_episodes
from ray.runtime_env import RuntimeEnv
from tqdm import tqdm
def setup_logger():
import sys
from datatrove.utils.logging import logger
logger.remove()
logger.add(sys.stdout, level="INFO", colorize=True)
return logger
class SaveLerobotDataset(PipelineStep):
def __init__(self, tasks: list[tuple[Path, Path, str]]):
self.tasks = tasks
def run(self, data=None, rank: int = 0, world_size: int = 1):
logger = setup_logger()
input_h5, output_path, task_instruction = self.tasks[rank]
if output_path.exists():
shutil.rmtree(output_path)
dataset = LeRobotDataset.create(
repo_id=f"{input_h5.parent.name}/{input_h5.name}",
root=output_path,
fps=20,
robot_type="franka",
features=LIBERO_FEATURES,
)
logger.info(f"start processing for {input_h5}, saving to {output_path}")
raw_dataset = load_local_episodes(input_h5)
for episode_index, episode_data in enumerate(raw_dataset):
for frame_data in episode_data:
dataset.add_frame(
frame_data,
task=task_instruction,
)
dataset.save_episode()
logger.info(f"process done for {dataset.repo_id}, episode {episode_index}, len {len(episode_data)}")
class AggregateDatasets(PipelineStep):
def __init__(
self,
raw_dirs: list[Path],
aggregated_dir: Path,
):
super().__init__()
self.raw_dirs = raw_dirs
self.aggregated_dir = aggregated_dir
self.create_aggr_dataset()
def create_aggr_dataset(self):
logger = setup_logger()
all_metadata = [LeRobotDatasetMetadata("", root=raw_dir) for raw_dir in self.raw_dirs]
fps, robot_type, features = validate_all_metadata(all_metadata)
if self.aggregated_dir.exists():
shutil.rmtree(self.aggregated_dir)
aggr_meta = LeRobotDatasetMetadata.create(
repo_id=f"{self.aggregated_dir.parent.name}/{self.aggregated_dir.name}",
root=self.aggregated_dir,
fps=fps,
robot_type=robot_type,
features=features,
)
datasets_task_index_to_aggr_task_index = {}
aggr_task_index = 0
for dataset_index, meta in enumerate(tqdm(all_metadata, desc="Aggregate tasks index")):
task_index_to_aggr_task_index = {}
for task_index, task in meta.tasks.items():
if task not in aggr_meta.task_to_task_index:
# add the task to aggr tasks mappings
aggr_meta.tasks[aggr_task_index] = task
aggr_meta.task_to_task_index[task] = aggr_task_index
aggr_task_index += 1
task_index_to_aggr_task_index[task_index] = aggr_meta.task_to_task_index[task]
datasets_task_index_to_aggr_task_index[dataset_index] = task_index_to_aggr_task_index
datasets_ep_idx_to_aggr_ep_idx = {}
datasets_aggr_episode_index_shift = {}
datasets_aggr_index_shift = {}
aggr_episode_index_shift = 0
for dataset_index, meta in enumerate(tqdm(all_metadata, desc="Aggregate episodes and global index")):
ep_idx_to_aggr_ep_idx = {}
for episode_index in range(meta.total_episodes):
aggr_episode_index = episode_index + aggr_episode_index_shift
ep_idx_to_aggr_ep_idx[episode_index] = aggr_episode_index
datasets_ep_idx_to_aggr_ep_idx[dataset_index] = ep_idx_to_aggr_ep_idx
datasets_aggr_episode_index_shift[dataset_index] = aggr_episode_index_shift
datasets_aggr_index_shift[dataset_index] = aggr_meta.total_frames
# populate episodes
for episode_index, episode_dict in meta.episodes.items():
aggr_episode_index = episode_index + aggr_episode_index_shift
episode_dict["episode_index"] = aggr_episode_index
aggr_meta.episodes[aggr_episode_index] = episode_dict
# populate episodes_stats
for episode_index, episode_stats in meta.episodes_stats.items():
aggr_episode_index = episode_index + aggr_episode_index_shift
aggr_meta.episodes_stats[aggr_episode_index] = episode_stats
# populate info
aggr_meta.info["total_episodes"] += meta.total_episodes
aggr_meta.info["total_frames"] += meta.total_frames
aggr_meta.info["total_videos"] += len(aggr_meta.video_keys) * meta.total_episodes
aggr_episode_index_shift += meta.total_episodes
logger.info("Write meta data")
aggr_meta.info["total_tasks"] = len(aggr_meta.tasks)
aggr_meta.info["total_chunks"] = aggr_meta.get_episode_chunk(aggr_episode_index_shift - 1)
aggr_meta.info["splits"] = {"train": f"0:{aggr_meta.info['total_episodes']}"}
# create a new episodes jsonl with updated episode_index using write_episode
for episode_dict in tqdm(aggr_meta.episodes.values(), desc="Write episodes info"):
write_episode(episode_dict, aggr_meta.root)
# create a new episode_stats jsonl with updated episode_index using write_episode_stats
for episode_index, episode_stats in tqdm(aggr_meta.episodes_stats.items(), desc="Write episodes stats info"):
write_episode_stats(episode_index, episode_stats, aggr_meta.root)
# create a new task jsonl with updated episode_index using write_task
for task_index, task in tqdm(aggr_meta.tasks.items(), desc="Write tasks info"):
write_task(task_index, task, aggr_meta.root)
write_info(aggr_meta.info, aggr_meta.root)
self.datasets_task_index_to_aggr_task_index = datasets_task_index_to_aggr_task_index
self.datasets_ep_idx_to_aggr_ep_idx = datasets_ep_idx_to_aggr_ep_idx
self.datasets_aggr_episode_index_shift = datasets_aggr_episode_index_shift
self.datasets_aggr_index_shift = datasets_aggr_index_shift
logger.info("Meta data done writing")
def run(self, data=None, rank: int = 0, world_size: int = 1):
logger = setup_logger()
dataset_index = rank
aggr_meta = LeRobotDatasetMetadata("", root=self.aggregated_dir)
meta = LeRobotDatasetMetadata("", root=self.raw_dirs[dataset_index])
aggr_episode_index_shift = self.datasets_aggr_episode_index_shift[dataset_index]
aggr_index_shift = self.datasets_aggr_index_shift[dataset_index]
task_index_to_aggr_task_index = self.datasets_task_index_to_aggr_task_index[dataset_index]
logger.info("Copy data")
for episode_index in range(meta.total_episodes):
aggr_episode_index = self.datasets_ep_idx_to_aggr_ep_idx[dataset_index][episode_index]
data_path = meta.root / meta.get_data_file_path(episode_index)
aggr_data_path = aggr_meta.root / aggr_meta.get_data_file_path(aggr_episode_index)
aggr_data_path.parent.mkdir(parents=True, exist_ok=True)
# update index, episode_index and task_index
df = pd.read_parquet(data_path)
df["index"] += aggr_index_shift
df["episode_index"] += aggr_episode_index_shift
df["task_index"] = df["task_index"].map(task_index_to_aggr_task_index)
df.to_parquet(aggr_data_path)
logger.info("Copy videos")
for episode_index in range(meta.total_episodes):
aggr_episode_index = episode_index + aggr_episode_index_shift
for vid_key in meta.video_keys:
video_path = meta.root / meta.get_video_file_path(episode_index, vid_key)
aggr_video_path = aggr_meta.root / aggr_meta.get_video_file_path(aggr_episode_index, vid_key)
aggr_video_path.parent.mkdir(parents=True, exist_ok=True)
shutil.copy(video_path, aggr_video_path)
logger.info("Remove original data")
shutil.rmtree(meta.root)
def main(
src_paths: list[Path],
output_path: Path,
executor: str,
cpus_per_task: int,
tasks_per_job: int,
workers: int,
resume_from_save: Path,
resume_from_aggregate: Path,
debug: bool = False,
repo_id: str = None,
push_to_hub: bool = False,
):
tasks = []
pattern = re.compile(r"_SCENE\d+_(.*?)_demo\.hdf5")
for src_path in src_paths:
for input_h5 in src_path.glob("*.hdf5"):
match = pattern.search(input_h5.name)
if match is None:
continue
tasks.append(
(
input_h5,
(output_path / (src_path.name + "_temp") / input_h5.stem).resolve(),
match.group(1).replace("_", " "),
)
)
if len(src_paths) > 1:
aggregate_output_path = output_path / ("_".join([src_path.name for src_path in src_paths]) + "_aggregated_lerobot")
else:
aggregate_output_path = output_path / f"{src_paths[0].name}_lerobot"
if debug:
SaveLerobotDataset([tasks[0]]).run()
else:
save_config = {
"tasks": len(tasks),
"workers": workers,
"logging_dir": resume_from_save,
}
aggregate_config = {
"tasks": len(tasks),
"workers": workers,
"logging_dir": resume_from_aggregate,
}
match executor:
case "local":
workers = os.cpu_count() // cpus_per_task if workers == -1 else workers
save_config["workers"] = workers
aggregate_config["workers"] = workers
executor = LocalPipelineExecutor
case "ray":
runtime_env = RuntimeEnv(
env_vars={
"HDF5_USE_FILE_LOCKING": "FALSE",
"HF_DATASETS_DISABLE_PROGRESS_BARS": "TRUE",
"SVT_LOG": "1",
},
)
ray.init(runtime_env=runtime_env)
save_config.update({"cpus_per_task": cpus_per_task, "tasks_per_job": tasks_per_job})
aggregate_config.update({"cpus_per_task": cpus_per_task, "tasks_per_job": tasks_per_job})
executor = RayPipelineExecutor
case _:
raise ValueError(f"Executor {executor} not supported")
executor(pipeline=[SaveLerobotDataset(tasks)], **save_config).run()
executor(pipeline=[AggregateDatasets([task[1] for task in tasks], aggregate_output_path)], **aggregate_config).run()
for task in tasks:
shutil.rmtree(task[1].parent, ignore_errors=True)
if push_to_hub:
assert repo_id is not None
tags = ["LeRobot", "libero", "franka"]
tags.extend([src_path.name for src_path in src_paths])
LeRobotDataset(
repo_id=repo_id,
root=aggregate_output_path,
).push_to_hub(
tags=tags,
private=False,
push_videos=True,
license="apache-2.0",
upload_large_folder=False,
)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--src-paths", type=Path, nargs="+", required=True)
parser.add_argument("--output-path", type=Path, required=True)
parser.add_argument("--executor", type=str, choices=["local", "ray"], default="local")
parser.add_argument("--cpus-per-task", type=int, default=1)
parser.add_argument("--tasks-per-job", type=int, default=1, help="number of concurrent tasks per job, only used for ray")
parser.add_argument("--workers", type=int, default=-1, help="number of concurrent jobs to run")
parser.add_argument("--resume-from-save", type=Path, help="logs directory to resume from save step")
parser.add_argument("--resume-from-aggregate", type=Path, help="logs directory to resume from aggregate step")
parser.add_argument("--debug", action="store_true")
parser.add_argument("--repo-id", type=str, help="required when push-to-hub is True")
parser.add_argument("--push-to-hub", action="store_true", help="upload to hub")
args = parser.parse_args()
main(**vars(args))