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#!/usr/bin/env python
# Copyright 2025 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
from pathlib import Path
from datatrove.executor import LocalPipelineExecutor
from datatrove.executor.slurm import SlurmPipelineExecutor
from datatrove.pipeline.base import PipelineStep
from port_droid import DROID_SHARDS
class AggregateDatasets(PipelineStep):
def __init__(
self,
repo_ids: list[str],
aggregated_repo_id: str,
):
super().__init__()
self.repo_ids = repo_ids
self.aggr_repo_id = aggregated_repo_id
def run(self, data=None, rank: int = 0, world_size: int = 1):
import logging
from lerobot.datasets.aggregate import aggregate_datasets
from lerobot.utils.utils import init_logging
init_logging()
# Since aggregate_datasets already handles parallel processing internally,
# we only need one worker to run the entire aggregation
if rank == 0:
logging.info(f"Starting aggregation of {len(self.repo_ids)} datasets into {self.aggr_repo_id}")
aggregate_datasets(self.repo_ids, self.aggr_repo_id)
logging.info("Aggregation complete!")
else:
logging.info(f"Worker {rank} skipping - only worker 0 performs aggregation")
def make_aggregate_executor(
repo_ids, repo_id, job_name, logs_dir, workers, partition, cpus_per_task, mem_per_cpu, slurm=True
):
kwargs = {
"pipeline": [
AggregateDatasets(repo_ids, repo_id),
],
"logging_dir": str(logs_dir / job_name),
}
if slurm:
# For aggregation, we only need 1 task since aggregate_datasets handles everything
kwargs.update(
{
"job_name": job_name,
"tasks": 1, # Only need 1 task for aggregation
"workers": 1, # Only need 1 worker
"time": "08:00:00",
"partition": partition,
"cpus_per_task": cpus_per_task,
"sbatch_args": {"mem-per-cpu": mem_per_cpu},
}
)
executor = SlurmPipelineExecutor(**kwargs)
else:
kwargs.update(
{
"tasks": 1,
"workers": 1,
}
)
executor = LocalPipelineExecutor(**kwargs)
return executor
def main():
parser = argparse.ArgumentParser()
parser.add_argument(
"--repo-id",
type=str,
help="Repository identifier on Hugging Face: a community or a user name `/` the name of the dataset, required when push-to-hub is True.",
)
parser.add_argument(
"--logs-dir",
type=Path,
help="Path to logs directory for `datatrove`.",
)
parser.add_argument(
"--job-name",
type=str,
default="aggr_droid",
help="Job name used in slurm, and name of the directory created inside the provided logs directory.",
)
parser.add_argument(
"--slurm",
type=int,
default=1,
help="Launch over slurm. Use `--slurm 0` to launch sequentially (useful to debug).",
)
parser.add_argument(
"--workers",
type=int,
default=1, # Changed default to 1 since aggregation doesn't need multiple workers
help="Number of slurm workers. For aggregation, this should be 1.",
)
parser.add_argument(
"--partition",
type=str,
help="Slurm partition. Ideally a CPU partition. No need for GPU partition.",
)
parser.add_argument(
"--cpus-per-task",
type=int,
default=8,
help="Number of cpus that each slurm worker will use.",
)
parser.add_argument(
"--mem-per-cpu",
type=str,
default="1950M",
help="Memory per cpu that each worker will use.",
)
args = parser.parse_args()
kwargs = vars(args)
kwargs["slurm"] = kwargs.pop("slurm") == 1
repo_ids = [f"{args.repo_id}_world_{DROID_SHARDS}_rank_{rank}" for rank in range(DROID_SHARDS)]
aggregate_executor = make_aggregate_executor(repo_ids, **kwargs)
aggregate_executor.run()
if __name__ == "__main__":
main()
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