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Data pipelines & processing

ETL-style flows, batch transforms, validation, and moving data between formats.

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Data pipelines & processing easy

How to Compress Pipeline Output Gzip Per Partition in Python

Compress each partition of pipeline output into a separate gzip file and verify the compressed data by reading it back.

gzip compression pipeline
Python 
import gzip
import io
import random
from pathlib import Path


def compress_partition(partition_data: list[str], output_path: Path) -> int:
    """Compress a partition of data to a gzip file, returns bytes written."""
    with gzip.open(output_path, 'wt', encoding='utf-8') as f:
        f.writelines(partition_data)
  …
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