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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

Generate a Deterministic Hash for Deduplication in Python

Create a stable SHA-256 fingerprint from nested data and file contents to deduplicate records in a data pipeline.

hashing deduplication sha256
Python
import hashlib
import json
from pathlib import Path

def natural_key_hash(data, salt=""):
    """
    Generate a deterministic fingerprint from raw data (dict/list/str).
    Uses JSON canonical-ish serialization with sorted keys and SHA-256.
    """
    canonical = json.dumps(data, sort_keys=True, separators=(",", ":"…
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