[Backport 1.x] Address pkg_resources deprecation (#1015)

Signed-off-by: Ian Hoang <ianhoang16@gmail.com>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

osbenchmark/__init__.py

@@ -26,9 +26,9 @@
 import sys
 import urllib
 
-import pkg_resources
+from importlib.metadata import version as get_version
 
-__version__ = pkg_resources.require("opensearch-benchmark")[0].version
+__version__ = get_version("opensearch-benchmark")
 
 # Allow an alternative program name be set in case OSB is invoked a wrapper script
 PROGRAM_NAME = os.getenv("BENCHMARK_ALTERNATIVE_BINARY_NAME", os.path.basename(sys.argv[0]))

osbenchmark/version.py

@@ -24,13 +24,12 @@
 
 import re
 from importlib import resources
-
-import pkg_resources
+from importlib.metadata import version as get_version
 
 from osbenchmark import paths
 from osbenchmark.utils import git, io
 
-__version__ = pkg_resources.require("opensearch-benchmark")[0].version
+__version__ = get_version("opensearch-benchmark")
 
 __BENCHMARK_VERSION_PATTERN = re.compile(r"^(\d+)(?:\.(\d+))?(?:\.(\d+))?(?:.(.+))?$")