from collections import namedtuple
from dmriprep.workflows.dwi import init_dwi_preproc_wf
BIDSLayout = namedtuple('BIDSLayout', ['root'])
wf = init_dwi_preproc_wf(layout=BIDSLayout('.'), output_dir='.', subject_id='dmripreptest', dwi_file='/madeup/path/sub-01_dwi.nii.gz', metadata={'PhaseEncodingDirection': 'j-', 'TotalReadoutTime': 0.05}, b0_thresh=5, output_resolution=(1, 1, 1), bet_dwi=0.3, bet_mag=0.3, acqp_file='', omp_nthreads=1, ignore=['fieldmaps'], synb0_dir='')