[GitHub] [flink] dianfu opened a new pull request #8609: [FLINK-12541][container][python] Add support for Python jobs in build script

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

dianfu opened a new pull request #8609: [FLINK-12541][container][python] Add support for Python jobs in build script
URL: https://github.com/apache/flink/pull/8609
 
 
   ## What is the purpose of the change
   
   *This pull request adds support to build job specific docker image for Python Table API jobs.*
   
   ## Brief change log
   
     - *[a5c45b4](https://github.com/dianfu/flink/commit/a5c45b4dc6edbe38e533dd6ca7ecdef546e851c4) Allows to specify a directory in the option `-pyfs`*
     - *[de00df4](https://github.com/dianfu/flink/commit/de00df42b896018fee7a95e37181898161d31e87) Improves the StandaloneJobClusterEntryPoint to add support for Python jobs*
     - *[f7f20b19](https://github.com/dianfu/flink/commit/f7f20b19b85d3118302e12cedf4a1f498d3bcc9c) Improves the build script to support build a job specific docker image*
     - [621aaa9](https://github.com/dianfu/flink/commit/621aaa965b53850f194e301f0df37f3789f76b0d) Improves the Python word_count example to use the from_element API
   
   
   ## Verifying this change
   
   This changes related to the job specific build script is verified manually.
   
   This change added tests and can be verified as follows:
   
     - *Added tests PythonEnvUtilsTest.testPreparePythonEnvironment*
   
   ## 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: (no)
     - 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? (yes)
     - If yes, how is the feature documented? ( docs)
   

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