heuristic.py
36d094b12eedmaster

heuristic.py
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			import os

			def create_key(template, outtype=('nii.gz',), annotation_classes=None):

			if template is None or not template:
			raise ValueError('Template must be a valid format string')

			return template, outtype, annotation_classes

			def infotodict(seqinfo):
			"""Heuristic evaluator for determining which runs belong where
			allowed template fields - follow python string module:
			item: index within category
			subject: participant id
			session: ses-<session id>
			seqitem: run number during scanning
			subindex: sub index within group
			"""

			t1w = create_key('sub-{subject}/{session}/anat/sub-{subject}_{session}_T1w')
			dwi = create_key('sub-{subject}/{session}/dwi/sub-{subject}_{session}_dwi')
			rs = create_key('sub-{subject}/{session}/func/sub-{subject}_{session}_task-rest_bold')

			info = {t1w: [],dwi: [],rs: []}

			fieldmap_files = []

			for idx, s in enumerate(seqinfo):
			if ('*tfl3d1_16ns' in s.sequence_name):
			info[t1w].append(s.series_id)
			if ('*ep_b0' in s.sequence_name) and not s.is_derived:
			info[dwi].append(s.series_id)
			if ('*epfid2d1_58' in s.sequence_name):
			info[rs].append(s.series_id)

			return info