JiaLiangC commented on PR #1163:
URL: https://github.com/apache/bigtop/pull/1163#issuecomment-1734958498
@guyuqi
I am doing an upgrade to Python3 for Ambari and its related components, and
I have encountered this problem.
Here, the issue is actually because all Python code for Ranger is executed
in Python2. Therefore, if the Ranger db_setup.py script was previously run
using Python2 in the system, it would not throw an error.
This is because `subprocess.Popen(command, stdout = subprocess.PIPE)`
returns a str in Python2, but returns bytes in Python3.
So, if you use a Python3 script to execute db_setup.py, modifying it to
`(key, _, value) = line.decode('utf8').partition('=')` is good. However, there
are many places where similar subprocess.Popen code exists, and all have
encoding issues.
All Python scripts for Ranger are based on Python2, so upgrading them all
would be a better approach.
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