perf test: Update attr.py to use argparse

optparse is deprecated since Python 3.2 and triggers a pylint
deprecated-module warning on newer versions of pylint.

Replace optparse.OptionParser in tools/perf/tests/shell/lib/attr.py with
argparse.ArgumentParser.

Assisted-by: Antigravity:gemini-3.1-pro
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 14 insertions, 23 deletions

diff --git a/tools/perf/tests/shell/lib/attr.py b/tools/perf/tests/shell/lib/attr.py
index 7f3d5b64b00d..68f06df9565a 100644
--- a/tools/perf/tests/shell/lib/attr.py
+++ b/tools/perf/tests/shell/lib/attr.py
@@ -4,7 +4,7 @@ import configparser
 import os
 import sys
 import glob
-import optparse
+import argparse
 import platform
 import tempfile
 import logging
@@ -426,29 +426,20 @@ def setup_log(verbose):
     ch.setFormatter(formatter)
     log.addHandler(ch)
 
-USAGE = '''%s [OPTIONS]
-  -d dir  # tests dir
-  -p path # perf binary
-  -t test # single test
-  -v      # verbose level
-''' % sys.argv[0]
-
 def main():
-    parser = optparse.OptionParser(usage=USAGE)
-
-    parser.add_option("-t", "--test",
-                      action="store", type="string", dest="test")
-    parser.add_option("-d", "--test-dir",
-                      action="store", type="string", dest="test_dir")
-    parser.add_option("-p", "--perf",
-                      action="store", type="string", dest="perf")
-    parser.add_option("-v", "--verbose",
-                      default=0, action="count", dest="verbose")
-
-    options, args = parser.parse_args()
-    if args:
-        parser.error('FAILED wrong arguments %s' %  ' '.join(args))
-        return -1
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument("-t", "--test",
+                        action="store", dest="test", help="single test")
+    parser.add_argument("-d", "--test-dir",
+                        action="store", dest="test_dir", help="tests dir")
+    parser.add_argument("-p", "--perf",
+                        action="store", dest="perf", help="perf binary")
+    parser.add_argument("-v", "--verbose",
+                        default=0, action="count", dest="verbose",
+                        help="verbose level")
+
+    options = parser.parse_args()
 
     setup_log(options.verbose)