Allow file path to exclude in formatting

Author: rmzmrnn

src/fprime/util/code_formatter.py

@@ -79,12 +79,15 @@ def exclude_file(self, filepath: Path) -> None:
         it will be excluded to clang-format when the execute() function is called.
 
         Args:
-            filepath (str): file path to file to be excluded.
+            filepath (str): file path to be excluded.
         """
         if filepath in self._files_to_format:
             if self.verbose:
                 print(f"[INFO] Excluding {filepath} from formatting.")
             self._files_to_format.remove(filepath)
+        else:
+            if self.verbose:
+                print(f"[INFO] {filepath} was not staged for formatting. Skipping.")
 
     def execute(
         self, builder: "Build", context: "Path", args: Tuple[Dict[str, str], List[str]]

src/fprime/util/commands.py

@@ -204,14 +204,15 @@ def run_code_format(
     # Remove staged files that are within excluded directories
     for excluded_dir in parsed.exclude:
         excluded_path = Path(excluded_dir)
-        if not excluded_path.is_dir():
-            print(
-                f"[INFO] {excluded_path} is not a directory. Skipping it from excluded directories."
-            )
+        if excluded_path.is_file():
+            clang_formatter.exclude_file(excluded_path)
+        elif excluded_path.is_dir():
+            for allowed_ext in clang_formatter.allowed_extensions:
+                for file in excluded_path.rglob(f"*{allowed_ext}"):
+                    clang_formatter.exclude_file(file)
+        else:
+            print(f"[INFO] {excluded_path} is not a valid path. Skipping.")
             continue
-        for allowed_ext in clang_formatter.allowed_extensions:
-            for file in excluded_path.rglob(f"*{allowed_ext}"):
-                clang_formatter.exclude_file(file)
 
     return clang_formatter.execute(build, parsed.path, ({}, parsed.pass_through))