MNT: .format() → f-strings

Author: DimitriPapadopoulos

smriprep/cli/run.py

@@ -86,7 +86,7 @@ def get_parser():
 
     # optional arguments
     parser.add_argument(
-        "--version", action="version", version="smriprep v{}".format(__version__)
+        "--version", action="version", version=f"smriprep v{__version__}"
     )
 
     g_bids = parser.add_argument_group("Options for filtering BIDS queries")
@@ -380,7 +380,7 @@ def _warn_redirect(message, category, filename, lineno, file=None, line=None):
     if missing:
         print("Cannot run sMRIPrep. Missing dependencies:")
         for iface, cmd in missing:
-            print("\t{} (Interface: {})".format(cmd, iface))
+            print(f"\t{cmd} (Interface: {iface})")
         sys.exit(2)
 
     # Clean up master process before running workflow, which may create forks
@@ -453,7 +453,7 @@ def build_workflow(opts, retval):
     """.format
 
     # Set up some instrumental utilities
-    run_uuid = "%s_%s" % (strftime("%Y%m%d-%H%M%S"), uuid.uuid4())
+    run_uuid = "{}_{}".format(strftime("%Y%m%d-%H%M%S"), uuid.uuid4())
 
     # First check that bids_dir looks like a BIDS folder
     bids_dir = opts.bids_dir.resolve()

smriprep/interfaces/freesurfer.py

@@ -168,8 +168,8 @@ def cmdline(self):
         no_run = True
         flags = []
         for step, outfiles, infiles in steps:
-            flag = "-{}".format(step)
-            noflag = "-no{}".format(step)
+            flag = f"-{step}"
+            noflag = f"-no{step}"
             if noflag in cmd:
                 continue
             elif flag in cmd:

smriprep/interfaces/reports.py

@@ -122,7 +122,7 @@ def _generate_segment(self):
 
         t2w_seg = ""
         if self.inputs.t2w:
-            t2w_seg = "(+ {:d} T2-weighted)".format(len(self.inputs.t2w))
+            t2w_seg = f"(+ {len(self.inputs.t2w):d} T2-weighted)"
 
         output_spaces = self.inputs.output_spaces
         if not isdefined(output_spaces):

smriprep/workflows/surfaces.py

@@ -459,7 +459,7 @@ def _dedup(in_list):
         vals = set(in_list)
         if len(vals) > 1:
             raise ValueError(
-                "Non-identical values can't be deduplicated:\n{!r}".format(in_list)
+                f"Non-identical values can't be deduplicated:\n{in_list!r}"
             )
         return vals.pop()
 
@@ -694,7 +694,7 @@ def init_segs_to_native_wf(*, name="segs_to_native", segmentation="aseg"):
         The selected segmentation, after resampling in native space
 
     """
-    workflow = Workflow(name="%s_%s" % (name, segmentation))
+    workflow = Workflow(name=f"{name}_{segmentation}")
     inputnode = pe.Node(
         niu.IdentityInterface(
             ["in_file", "subjects_dir", "subject_id", "fsnative2t1w_xfm"]