[GitHub] [flink] sunjincheng121 opened a new pull request #8423: [FLINK-12495][python, client]Move PythonGatewayServer into flink-clie…

[GitBox <gi...@apache.org>]

sunjincheng121 opened a new pull request #8423: [FLINK-12495][python, client]Move PythonGatewayServer into flink-clie…
URL: https://github.com/apache/flink/pull/8423
 
 
   ## What is the purpose of the change
   
   Due to we add py4j dependency for `PythonGatewayServer` when we put the `PythonGatewayServer` in `flink-core` module, and every module has a transitive dependency on `flink-core`, So It's better to move the `PythonGatewayServer` into `flink-clients`.
   
   ## Brief change log
   
     -  Move the `PythonGatewayServer` from `flink-core` to `flink-clients`.
     -  Move py4j dependency from `flink-core` to `flink-clients`.
     -  Modify the `java_gateway.py` script for package path of `PythonGatewayServer`.
   
   ## Verifying this change
   This change is a core moving without any test coverage.
   But we can run ` dev/lint-python.sh` to check the changes.
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: ( no)
     - The serializers: (yes / no / don't know)
     - The runtime per-record code paths (performance sensitive): ( no )
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: ( no )
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? ( no)
     - If yes, how is the feature documented? ( not documented)
   

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