[jira] [Created] (FLINK-14506) Improve the release script for Python API release package

[Shang Yuanchun (Jira)]

Dian Fu created FLINK-14506:
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             Summary: Improve the release script for Python API release package
                 Key: FLINK-14506
                 URL: https://issues.apache.org/jira/browse/FLINK-14506
             Project: Flink
          Issue Type: Sub-task
          Components: API / Python, Build System
            Reporter: Dian Fu
             Fix For: 1.10.0


Currently it assumes that the required Python environment(i.e. Python 3.5+, setuptools, etc) are available in the local machine when executing create_binary_release.sh to perform the release. 

This could be improved and there are two options in my mind:

1) Reuse the script defined in flink-python module(lint-python.sh) to create the required virtual environment and build the Python package using the created virtual environment.
2) Document the dependencies at the page "[Create a Flink Release|https://cwiki.apache.org/confluence/display/FLINK/Creating+a+Flink+Release#CreatingaFlinkRelease-Checklisttoproceedtothenextstep.1]" and add validation check in create_binary_release.sh to throw an meaningful error with hints how to fix it.

Personally I prefer to option 1) as it's transparent for users. Welcome any feedback. 



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