When searching across multiple derivatives datasets, I think it would be useful to be able to include a dataset "name" in layout queries. For example:
from bids.layout import BIDSLayout
BIDSLayout(raw_bids_dir, derivatives={'smriprep': smriprep_dir, 'aslprep': aslprep_dir})
layout.get(dataset='smriprep', suffix='T1w')
When searching across multiple derivatives datasets, I think it would be useful to be able to include a dataset "name" in layout queries. For example: