Group warnings under filename

Author: hugovk

Doc/tools/check-warnings.py

@@ -24,6 +24,8 @@
     "venv",
 }
 
+PATTERN = re.compile(r"(?P<file>[^:]+):(?P<line>\d+): WARNING: (?P<msg>.+)")
+
 
 def check_and_annotate(warnings: list[str], files_to_check: str) -> None:
     """
@@ -39,11 +41,10 @@ def check_and_annotate(warnings: list[str], files_to_check: str) -> None:
     see:
     https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-a-warning-message
     """
-    pattern = re.compile(r"(?P<file>[^:]+):(?P<line>\d+): WARNING: (?P<msg>.+)")
     files_to_check = next(csv.reader([files_to_check]))
     for warning in warnings:
         if any(filename in warning for filename in files_to_check):
-            if match := pattern.fullmatch(warning):
+            if match := PATTERN.fullmatch(warning):
                 print("::warning file={file},line={line}::{msg}".format_map(match))
 
 
@@ -67,7 +68,8 @@ def fail_if_regression(
             print(filename)
             for warning in warnings:
                 if filename in warning:
-                    print(warning)
+                    if match := PATTERN.fullmatch(warning):
+                        print("  {line}: {msg}".format_map(match))
         return -1
     return 0