[llvm] Refactored verbosity flag in mlgo-utils to common location #107898 (PR #128541)

[Mircea Trofin via llvm-commits]

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@@ -0,0 +1,21 @@
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+"""Library functions for setting up common parser arguments"""
+
+from argparse import ArgumentParser
+
+def add_verbosity_arguments(parser: ArgumentParser) -> None:
+    """Adds the arguments for verbosity to the ArgumentParser
+
+    Arguments:
+        parser -- the argument parser being modified with verbosity arguments
+    """
+    parser.add_argument(
+        "--verbosity",
+        type=str,
+        help="The verbosity level to use for logging",
+        default="INFO",
+        nargs="?",
+        choices=["DEBUG", "INFO", "WARNING", "ERROR"],
+    )
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mtrofin wrote:

nit: missing empty line (makes, or will make, git diff unhappy later)

https://github.com/llvm/llvm-project/pull/128541