Files
lerobot/examples/script3.py
T
Jade Choghari 5c628f1700 new things
2025-09-10 11:32:54 +02:00

65 lines
2.3 KiB
Python

#!/usr/bin/env python3
import os
import pyarrow.parquet as pq
import tempfile
import shutil
# Root directory containing all parquet files
ROOT_DIR = "/raid/jade/.cache/huggingface/lerobot/HuggingFaceVLA/libero/data"
# Column renaming map (normalize schema to what training expects)
rename_map = {
"state": "observation.state",
}
# Hugging Face metadata (aligned with expected feature names)
HF_METADATA = {
b"huggingface": b'{"info": {"features": {'
b'"observation.images.image": {"_type": "Image"}, '
b'"observation.images.image2": {"_type": "Image"}, '
b'"observation.state": {"feature": {"dtype": "float32", "_type": "Value"}, "length": 8, "_type": "Sequence"}, '
b'"action": {"feature": {"dtype": "float32", "_type": "Value"}, "length": 7, "_type": "Sequence"}, '
b'"timestamp": {"dtype": "float32", "_type": "Value"}, '
b'"frame_index": {"dtype": "int64", "_type": "Value"}, '
b'"episode_index": {"dtype": "int64", "_type": "Value"}, '
b'"index": {"dtype": "int64", "_type": "Value"}, '
b'"task_index": {"dtype": "int64", "_type": "Value"}}}}'
}
def patch_parquet(parquet_path, hf_metadata, rename_map):
try:
# Read the parquet table
table = pq.read_table(parquet_path)
# Apply renames if necessary
if rename_map:
new_names = [rename_map.get(name, name) for name in table.schema.names]
if new_names != table.schema.names:
table = table.rename_columns(new_names)
# Update metadata
new_meta = dict(table.schema.metadata or {})
new_meta.update(hf_metadata)
table = table.replace_schema_metadata(new_meta)
# Write to temp file then atomically move back
tmp_fd, tmp_path = tempfile.mkstemp(suffix=".parquet")
os.close(tmp_fd)
pq.write_table(table, tmp_path)
shutil.move(tmp_path, parquet_path)
# Debug print
print(f"✅ Patched: {parquet_path}")
print(" Columns:", table.schema.names)
return True
except Exception as e:
print(f"❌ Failed on {parquet_path}: {e}")
return False
if __name__ == "__main__":
for dirpath, _, filenames in os.walk(ROOT_DIR):
for fname in filenames:
if fname.endswith(".parquet"):
fpath = os.path.join(dirpath, fname)
patch_parquet(fpath, HF_METADATA, rename_map)