dianfu commented on a change in pull request #9851: [FLINK-14341]Fix
flink-python builds failure: no such option: --prefix
URL: https://github.com/apache/flink/pull/9851#discussion_r332857780
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File path: flink-python/pyflink/gen_protos.py
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@@ -120,10 +120,17 @@ def _install_grpcio_tools_and_generate_proto_files():
logging.warning('Installing grpcio-tools into %s', install_path)
try:
start = time.time()
- subprocess.check_call(
- [sys.executable, '-m', 'pip', 'install',
- '--prefix', install_path, '--build', build_path,
- '--upgrade', GRPC_TOOLS, "-I"])
+ pip_version = pkg_resources.get_distribution("pip").version
+ if pip_version >= '8.0.0':
Review comment:
What about using `from pkg_resources import parse_version`? as we have
already used module "pkg_resources"?
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