def bids_autograb(bids_dir):
bids_dir = path.abspath(path.expanduser(bids_dir))
layout = BIDSLayout(bids_dir, validate=False)
df = layout.to_df()
# Unclear in current BIDS specification, we refer to BOLD/CBV as modalities and func/anat as types
df = df.rename(columns={'datatype': 'type', 'suffix': 'modality'})
return df