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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

Rollback dataset to previous snapshot pointer in Python

A SnapshotManager class stores timestamped data snapshots and rolls back to the most recent snapshot at or before a target time.

snapshots rollback datetime
Python 
from datetime import datetime, timedelta


class SnapshotManager:
    def __init__(self):
        self.snapshots = {}  # timestamp -> data
        self.current_pointer = None

    def create_snapshot(self, data):
        timestamp = datetime.now()
        self.snapshots[timestamp] = data
        self.current_pointer =…
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