Enable colored output for argparse in 3.14

Author: cdce8p

mypy/main.py

@@ -480,6 +480,10 @@ def process_options(
     stdout = stdout or sys.stdout
     stderr = stderr or sys.stderr
 
+    parser_kwargs: dict[str, Any] = {}
+    if sys.version_info >= (3, 14):
+        parser_kwargs["color"] = True
+
     parser = CapturableArgumentParser(
         prog=program,
         usage=header,
@@ -490,6 +494,7 @@ def process_options(
         add_help=False,
         stdout=stdout,
         stderr=stderr,
+        **parser_kwargs,
     )
 
     strict_flag_names: list[str] = []