Consistently format errors in CI scripts (#2762)

script/ci-custom.py

@@ -1,16 +1,16 @@
 #!/usr/bin/env python3
 
-from helpers import git_ls_files, filter_changed
+from helpers import styled, print_error_for_file, git_ls_files, filter_changed
+import argparse
 import codecs
 import collections
+import colorama
 import fnmatch
+import functools
 import os.path
 import re
-import subprocess
 import sys
 import time
-import functools
-import argparse
 
 sys.path.append(os.path.dirname(__file__))
 
@@ -30,6 +30,8 @@ def find_all(a_str, sub):
             column += len(sub)
 
 
+colorama.init()
+
 parser = argparse.ArgumentParser()
 parser.add_argument(
     "files", nargs="*", default=[], help="files to be processed (regex on path)"
@@ -657,10 +659,8 @@ for fname in files:
 run_checks(LINT_POST_CHECKS, "POST")
 
 for f, errs in sorted(errors.items()):
-    print(f"\033[0;32m************* File \033[1;32m{f}\033[0m")
-    for lineno, col, msg in errs:
-        print(f"ERROR {f}:{lineno}:{col} - {msg}")
-    print()
+    err_str = (f"{styled(colorama.Style.BRIGHT, f'{f}:{lineno}:{col}:')} {msg}\n" for lineno, col, msg in errs)
+    print_error_for_file(f, "\n".join(err_str))
 
 if args.print_slowest:
     lint_times = []