ENH: Make --multi-step-reg a boolean action, enable by default

.circleci/config.yml

@@ -211,11 +211,25 @@ jobs:
           printf "[execution]\nstop_on_first_crash = true\n" > /tmp/bcp/nipype.cfg
           echo "poll_sleep_duration = 0.01" >> /tmp/bcp/nipype.cfg
           echo "hash_method = content" >> /tmp/bcp/nipype.cfg
+    - run:
+        name: Get intermediate transforms
+        command: |
+          mkdir -p /tmp/pooch
+          cd /tmp/pooch
+          # Caching intermediate templates so no need to constantly fetch
+          XFM="from-MNI152NLin6Asym_to-MNIInfant+1_xfm.h5"
+          echo "Downloading $XFM"
+          curl -Lo "$XFM" https://osf.io/download/kx7ny
+          XFM="from-MNIInfant+1_to-MNI152NLin6Asym_xfm.h5"
+          echo "Downloading $XFM"
+          curl -Lo "$XFM" https://osf.io/download/7ge2b
+
     - persist_to_workspace:
         root: /tmp
         paths:
         - fslicense
         - bcp/nipype.cfg
+        - pooch/*
 
   test_pytest:
     !!merge <<: *machine_defaults
@@ -334,7 +348,8 @@ jobs:
               --nthreads 4 -vv --age-months 2 --sloppy \
               --surface-recon-method infantfs \
               --derivatives precomputed=/tmp/data/${DATASET}/derivatives/bibsnet \
-              --output-layout bids --anat-only
+              --output-layout bids --anat-only \
+              --pooch-cache-dir /tmp/pooch
     - run:
         name: Checking outputs of anatomical nibabies run
         command: |
@@ -360,10 +375,11 @@ jobs:
               --skull-strip-template UNCInfant:cohort-1 \
               --output-spaces MNIInfant:cohort-1 func \
               --sloppy --write-graph --mem-mb 14000 \
-              --nthreads 4 -vv --age-months 2 --sloppy \
+              --nthreads 4 -vv --age-months 2 \
               --surface-recon-method infantfs \
               --derivatives precomputed=/tmp/data/${DATASET}/derivatives/bibsnet \
-              --output-layout bids
+              --output-layout bids \
+              --pooch-cache-dir /tmp/pooch
     - run:
         name: Checking outputs of full nibabies run
         command: |
@@ -393,7 +409,7 @@ jobs:
           cp -r /tmp/data/${DATASET}/derivatives/bibsnet /tmp/data/${DATASET}-t2only/derivatives
 
     - run:
-        name: Run nibabies single anatomical workflow
+        name: Run nibabies single anatomical workflow (T2w only)
         no_output_timeout: 1h
         command: |
           mkdir -p /tmp/data/${DATASET}-t2only /tmp/${DATASET}/derivatives/nibabies-t2only /tmp/${DATASET}/work-t2only
@@ -406,10 +422,11 @@ jobs:
               --skull-strip-template UNCInfant:cohort-1 \
               --output-spaces MNIInfant:cohort-1 func \
               --sloppy --write-graph --mem-mb 14000 \
-              --nthreads 4 -vv --age-months 2 --sloppy \
+              --nthreads 4 -vv --age-months 2 \
               --surface-recon-method infantfs \
               --derivatives precomputed=/tmp/data/${DATASET}-t2only/derivatives/bibsnet \
-              --output-layout bids --anat-only --cifti-output
+              --output-layout bids --anat-only --cifti-output \
+              --pooch-cache-dir /tmp/pooch
     - run:
         name: Checking outputs of T2-only nibabies anat
         command: |

.github/workflows/pytest.yml

@@ -31,7 +31,7 @@ jobs:
         dependencies: [ 'latest', 'pre' ]
         include:
         - os: ubuntu-latest
-          python-version: '3.13'
+          python-version: '3.12'
           dependencies: 'min'
 
     env:

env.yml

@@ -4,7 +4,7 @@ channels:
 - conda-forge
 # Update this ~yearly; last updated June 12 2025
 dependencies:
-- python=3.13
+- python=3.12
 # Needed for svgo and bids-validator; consider moving to deno
 - nodejs=20
 # Intel Math Kernel Library for numpy

nibabies/cli/parser.py

@@ -15,7 +15,12 @@
 
 def _build_parser():
     """Build parser object."""
-    from argparse import Action, ArgumentDefaultsHelpFormatter, ArgumentParser
+    from argparse import (
+        Action,
+        ArgumentDefaultsHelpFormatter,
+        ArgumentParser,
+        BooleanOptionalAction,
+    )
     from functools import partial
     from pathlib import Path
 
@@ -759,7 +764,8 @@
     )
     g_baby.add_argument(
         '--multi-step-reg',
-        action='store_true',
+        action=BooleanOptionalAction,
+        default=True,
         help='For certain adult templates (MNI152NLin6Asym), perform two step '
         'registrations (native -> MNIInfant -> template) and concatenate into a single xfm',
     )
@@ -773,6 +779,11 @@
     parser = _build_parser()
     opts = parser.parse_args(args, namespace)
 
+    if opts.sloppy:
+        config.loggers.cli.warning('Sloppy mode enabled: expect low-quality results')
+        # disable multi-step registration as it expects a warp
+        opts.multi_step_reg = False
+
     if opts.config_file:
         skip = {} if opts.reports_only else {'execution': ('run_uuid',)}
         config.load(opts.config_file, skip=skip)

nibabies/config.py

@@ -578,7 +578,7 @@ class workflow(_Config):
     """Run FreeSurfer ``recon-all`` with the ``-logitudinal`` flag."""
     medial_surface_nan = None
     """Fill medial surface with :abbr:`NaNs (not-a-number)` when sampling."""
-    multi_step_reg = False
+    multi_step_reg = True
     """Perform multiple registrations (native -> MNIInfant -> template) and concatenate into a
     single transform"""
     norm_csf = False

nibabies/utils/tests/test_bids.py

@@ -78,5 +78,5 @@ def test_get_age_from_tsv_warning(tmp_path):
     dual_participants = {'participant_id': ['sub-1', 'sub-2', 'sub-2']}
     create_tsv({**dual_participants, **age_months}, tsv_file)
 
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match='Multiple matches for participant_id:sub-2'):
         _get_age_from_tsv(tsv_file, 'participant_id', 'sub-2')

nibabies/workflows/tests/test_base.py

@@ -138,7 +138,7 @@ def _make_params(
     ignore: list[str] = None,
     bids_filters: dict = None,
     norm_csf: bool = False,
-    multi_step_reg: bool = False,
+    multi_step_reg: bool = True,
 ):
     if ignore is None:
         ignore = []
@@ -219,6 +219,7 @@ def _make_params(
         _make_params(bids_filters={'sbref': {'suffix': 'sbref'}}),
         _make_params(norm_csf=True),
         _make_params(multi_step_reg=True),
+        _make_params(multi_step_reg=False),
     ],
 )
 def test_init_nibabies_wf(

requirements.txt

@@ -28,13 +28,13 @@ bidsschematools==1.0.10
     # via bids-validator
 bokeh==3.6.3
     # via tedana
-boto3==1.38.35
+boto3==1.38.36
     # via datalad
-botocore==1.38.35
+botocore==1.38.36
     # via
     #   boto3
     #   s3transfer
-certifi==2025.4.26
+certifi==2025.6.15
     # via requests
 chardet==5.2.0
     # via datalad
@@ -74,7 +74,7 @@ fasteners==0.19
     # via datalad
 filelock==3.18.0
     # via nipype
-fonttools==4.58.2
+fonttools==4.58.4
     # via matplotlib
 formulaic==1.1.1
     # via pybids
@@ -165,7 +165,7 @@ more-itertools==10.7.0
     #   datalad-next
     #   jaraco-classes
     #   jaraco-functools
-msgpack==1.1.0
+msgpack==1.1.1
     # via datalad
 networkx==3.5
     # via
@@ -385,7 +385,7 @@ seaborn==0.13.2
     #   nireports
     #   niworkflows
     #   tedana
-simpleitk==2.5.0
+simpleitk==2.5.2
     # via nibabies (pyproject.toml)
 simplejson==3.20.1
     # via nipype

wrapper/src/nibabies_wrapper/__main__.py

@@ -29,7 +29,7 @@
 MISSING = """
 Image '{}' is missing
 Would you like to download? [Y/n] """
-PKG_PATH = '/opt/conda/envs/nibabies/lib/python3.13/site-packages'
+PKG_PATH = '/opt/conda/envs/nibabies/lib/python3.12/site-packages'
 TF_TEMPLATES = (
     'MNI152Lin',
     'MNI152NLin2009cAsym',
@@ -187,7 +187,7 @@ def set_version(self):
         self.add_envvar((version_env, version))
 
     def add_envvar(self, envtuple):
-        """Set an environmental variable
+        """Set an environment variable
 
         Inputs
         ------
@@ -197,7 +197,7 @@ def add_envvar(self, envtuple):
             env = '='.join(envtuple)
             self.add_cmd(['-e', env])
         elif self.service == 'singularity':
-            # singularity will transfer over environmental variables
+            # singularity will transfer over environment variables
             # with the prefix: SINGULARITYENV_
             envvar, value = envtuple
             envvar = 'SINGULARITYENV_' + envvar
@@ -476,6 +476,12 @@ def _is_file(path, parser):
         type=os.path.abspath,
         help='Filter file',
     )
+    g_wrap.add_argument(
+        '--pooch-cache-dir',
+        metavar='DIR',
+        type=os.path.abspath,
+        help='Directory to serve as cache for pooch files'
+    )
 
     # Developer patch/shell options
     g_dev = parser.add_argument_group(
@@ -643,6 +649,9 @@ def main():
     if opts.deriv_filter_file:
         container.add_mount(opts.deriv_filter_file, '/opt/derivative_filters.json')
         unknown_args.extend(['--deriv-filter-file', '/opt/derivative_filters.json'])
+    if opts.pooch_cache_dir:
+        container.add_mount(opts.pooch_cache_dir, '/tmp/pooch_cache', read_only=False)
+        container.add_envvar(('NIBABIES_POOCH_DIR', '/tmp/pooch_cache'))
     # Patch derivatives for searching
     if opts.derivatives:
         deriv_args = ['--derivatives']