Sync from Piper @392076391

PROTOBUF_SYNC_PIPER
diff --git a/benchmarks/util/result_parser.py b/benchmarks/util/result_parser.py
index b09f387..bdf3a99 100644
--- a/benchmarks/util/result_parser.py
+++ b/benchmarks/util/result_parser.py
@@ -1,5 +1,6 @@
 # This import depends on the automake rule protoc_middleman, please make sure
 # protoc_middleman has been built before run this file.
+import argparse
 import json
 import re
 import os.path
@@ -298,3 +299,54 @@
     __parse_php_result(php_c_file, "php")
 
   return __results
+
+
+if __name__ == "__main__":
+  parser = argparse.ArgumentParser()
+  parser.add_argument(
+      "-cpp",
+      "--cpp_input_file",
+      help="The CPP benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-java",
+      "--java_input_file",
+      help="The Java benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-python",
+      "--python_input_file",
+      help="The Python benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-go",
+      "--go_input_file",
+      help="The golang benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-node",
+      "--node_input_file",
+      help="The node.js benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-php",
+      "--php_input_file",
+      help="The pure php benchmark result file's name",
+      default="")
+  parser.add_argument(
+      "-php_c",
+      "--php_c_input_file",
+      help="The php with c ext benchmark result file's name",
+      default="")
+  args = parser.parse_args()
+
+  results = get_result_from_file(
+      cpp_file=args.cpp_input_file,
+      java_file=args.java_input_file,
+      python_file=args.python_input_file,
+      go_file=args.go_input_file,
+      node_file=args.node_input_file,
+      php_file=args.php_input_file,
+      php_c_file=args.php_c_input_file,
+  )
+  print(json.dumps(results, indent=2))