sty: pacify ruff

templateflow/api.py

@@ -174,25 +174,23 @@ def get(template, raise_empty=False, **kwargs):
     not_fetched = [str(p) for p in out_file if not p.is_file() or p.stat().st_size == 0]
 
     if not_fetched:
-        msg = 'Could not fetch template files: %s.' % ', '.join(not_fetched)
+        msg = 'Could not fetch template files: {}.'.format(', '.join(not_fetched))
         if dl_missing and not TF_USE_DATALAD:
             msg += (
-                """\
-The $TEMPLATEFLOW_HOME folder %s seems to contain an initiated DataLad \
+                f"""\
+The $TEMPLATEFLOW_HOME folder {TF_LAYOUT.root} seems to contain an initiated DataLad \
 dataset, but the environment variable $TEMPLATEFLOW_USE_DATALAD is not \
 set or set to one of (false, off, 0). Please set $TEMPLATEFLOW_USE_DATALAD \
 on (possible values: true, on, 1)."""
-                % TF_LAYOUT.root
             )
 
         if s3_missing and TF_USE_DATALAD:
             msg += (
-                """\
-The $TEMPLATEFLOW_HOME folder %s seems to contain an plain \
+                f"""\
+The $TEMPLATEFLOW_HOME folder {TF_LAYOUT.root} seems to contain an plain \
 dataset, but the environment variable $TEMPLATEFLOW_USE_DATALAD is \
 set to one of (true, on, 1). Please set $TEMPLATEFLOW_USE_DATALAD \
 off (possible values: false, off, 0)."""
-                % TF_LAYOUT.root
             )
 
         raise RuntimeError(msg)
@@ -249,7 +247,7 @@ def get_metadata(template):
 
     """
     tf_home = Path(TF_LAYOUT.root)
-    filepath = tf_home / ('tpl-%s' % template) / 'template_description.json'
+    filepath = tf_home / (f'tpl-{template}') / 'template_description.json'
 
     # Ensure that template is installed and file is available
     if not filepath.is_file():
@@ -322,7 +320,7 @@ def _s3_get(filepath):
     path = filepath.relative_to(TF_LAYOUT.root).as_posix()
     url = f'{TF_S3_ROOT}/{path}'
 
-    print('Downloading %s' % url, file=stderr)
+    print(f'Downloading {url}', file=stderr)
     # Streaming, so we can iterate over the response.
     r = requests.get(url, stream=True, timeout=TF_GET_TIMEOUT)
 

templateflow/conf/__init__.py

@@ -48,7 +48,7 @@ def _env_to_bool(envvar: str, default: bool) -> bool:
     try:
         from datalad.api import install
     except ImportError:
-        warn('DataLad is not installed ➔ disabled.')
+        warn('DataLad is not installed ➔ disabled.', stacklevel=2)
         TF_USE_DATALAD = False
 
 if not TF_USE_DATALAD:

templateflow/conf/_s3.py

@@ -87,14 +87,17 @@ def _update_skeleton(skel_file, dest, overwrite=True, silent=False):
             newfiles = allfiles
         else:
             current_files = [s.relative_to(dest) for s in dest.glob('**/*')]
-            existing = sorted({'%s/' % s.parent for s in current_files}) + [
+            existing = sorted({f'{s.parent}/' for s in current_files}) + [
                 str(s) for s in current_files
             ]
             newfiles = sorted(set(allfiles) - set(existing))
 
         if newfiles:
             if not silent:
-                print('Updating TEMPLATEFLOW_HOME using S3. Adding:\n%s' % '\n'.join(newfiles))
+                print(
+                    'Updating TEMPLATEFLOW_HOME using S3. Adding:\n'
+                    f'{"\n".join(newfiles)}'
+                )
             for fl in newfiles:
                 localpath = dest / fl
                 if localpath.exists():

templateflow/tests/test_conf.py

@@ -84,7 +84,7 @@ def test_setup_home(monkeypatch, tmp_path, capsys, use_datalad):
 
     out = capsys.readouterr().out
     assert _find_message(out, 'TemplateFlow was not cached')
-    assert ('TEMPLATEFLOW_HOME=%s' % home) in out
+    assert (f'TEMPLATEFLOW_HOME={home}') in out
     assert home.exists()
     assert len(list(home.iterdir())) > 0
 
@@ -134,9 +134,9 @@ def test_setup_home(monkeypatch, tmp_path, capsys, use_datalad):
 def test_layout(monkeypatch, tmp_path):
     monkeypatch.setenv('TEMPLATEFLOW_USE_DATALAD', 'off')
 
-    lines = ('%s' % tfc.TF_LAYOUT).splitlines()
+    lines = (f'{tfc.TF_LAYOUT}').splitlines()
     assert lines[0] == 'TemplateFlow Layout'
-    assert lines[1] == ' - Home: %s' % tfc.TF_HOME
+    assert lines[1] == f' - Home: {tfc.TF_HOME}'
     assert lines[2].startswith(' - Templates:')