fix comments + fstrings

Author: SamGuay

dcm2bids/dcm2bids_gen.py

@@ -135,7 +135,7 @@ def run(self):
 
     def move(self, acq, idList, post_op):
         """Move an acquisition to BIDS format"""
-        for srcFile in sorted(glob(acq.srcRoot + ".*"), reverse=True):
+        for srcFile in sorted(glob(f"{acq.srcRoot}.*"), reverse=True):
             ext = Path(srcFile).suffixes
             ext = [curr_ext for curr_ext in ext if curr_ext in ['.nii', '.gz',
                                                                 '.json',
@@ -177,8 +177,10 @@ def move(self, acq, idList, post_op):
                                 acq.setExtraDstFile(curr_post_op["custom_entities"])
 
                                 # Copy json file with this new set of custom entities.
-                                shutil.copy(str(srcFile).replace("".join(ext), ".json"),
-                                            str(acq.extraDstFile) + ".json")
+                                shutil.copy(
+                                    str(srcFile).replace("".join(ext), ".json"),
+                                    f"{str(acq.extraDstFile)}.json",
+                                )
                                 cmd = cmd.replace('dst_file',
                                                   str(acq.extraDstFile) + ''.join(ext))
                             else:

dcm2bids/sidecar.py

@@ -188,8 +188,8 @@ def post_op(self, value):
                                      "Please check the documentation.")
 
                 if 'src_file' not in cmd_split or 'dst_file' not in cmd_split:
-                    raise ValueError("post_op cmd is not defined correctly."
-                                     "src_file and/or dst_file is missing."
+                    raise ValueError("post_op cmd is not defined correctly. "
+                                     "<src_file> and/or <dst_file> is missing. "
                                      "Please check the documentation.")
 
                 if isinstance(datatype, str):
@@ -208,14 +208,14 @@ def post_op(self, value):
             res = list(set([ele for ele in pairs if pairs.count(ele) > 1]))
             if res:
                 raise ValueError("Some post operations apply on "
-                                 "the same combination of datatype/suffix."
+                                 "the same combination of datatype/suffix. "
                                  "Please fix post_op key in your config file."
                                  f"{pairs}")
 
             self._post_op = post_op
 
         except Exception:
-            raise ValueError("post_op is not defined correctly."
+            raise ValueError("post_op is not defined correctly. "
                              "Please check the documentation.")
 
     @property