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A single-file database storages key-value pairs.

Project description

pip install kiwilite

import kiwilite

with kiwilite.Open(‘<path-to-db-file>’) as storage:

# Set map data of key and value and save storage file. storage.Set({‘<key>’: ‘<value>’})

# Get value bytes of key. <value> = storage.Get(‘<key>’)

# Log: a list of timestones. [<list>, <of>, <timestones>] = storage.Log(<start-timestamp>, <end-timestamp>)

# Rollback to the last timestone before timestamp, # and clear all data after timestamp. storage.Rollback(<timestamp>)

# Lighten to the first timestone after timestamp, # and clear all invalid data before timestamp. # Data will not lose, but cannot rollback before timestamp. storage.Lighten(<timestamp>)

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