GH-44338: [Python][Parquet] Read encrypted parquet datasets via _metadata #44339
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Component: Parquet
Component: C++
Component: Python
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Rationale for this change
Once #41719 is resolved we will have necessary c++ code path to read and write datasets with metadata stored in encrypted _metadata file. We want to provide the same functionality from Python and this change provides it.
What changes are included in this PR?
This adds python code to read and write dataset metadata into encrypted
_metadatafile.Are these changes tested?
Yes.
Are there any user-facing changes?
This adds a new functionality to the users.