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patches.py
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patches.py
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# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
# vi: set ft=python sts=4 ts=4 sw=4 et:
"""Temporary patches."""
from random import randint
from time import sleep
from numpy.linalg.linalg import LinAlgError
from nipype.algorithms import confounds as nac
class RobustACompCor(nac.ACompCor):
"""
Runs aCompCor several times if it suddenly fails with
https://github.com/nipreps/fmriprep/issues/776
"""
def _run_interface(self, runtime):
failures = 0
while True:
try:
runtime = super(RobustACompCor, self)._run_interface(runtime)
break
except LinAlgError:
failures += 1
if failures > 10:
raise
start = (failures - 1) * 10
sleep(randint(start + 4, start + 10))
return runtime
class RobustTCompCor(nac.TCompCor):
"""
Runs tCompCor several times if it suddenly fails with
https://github.com/nipreps/fmriprep/issues/940
"""
def _run_interface(self, runtime):
failures = 0
while True:
try:
runtime = super(RobustTCompCor, self)._run_interface(runtime)
break
except LinAlgError:
failures += 1
if failures > 10:
raise
start = (failures - 1) * 10
sleep(randint(start + 4, start + 10))
return runtime