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Minimal persistent memoization cache

Project description

Cachalot PyPI version Pipeline status Coverage report

Cachalot is a minimal persistent memoization cache. It provides a decorator, that stores function result for future use. Perfect for heavy computations and I/O operation (such as web requests). On backend, it uses TinyDB for storage.

Features

  • Simple usage via decorator
  • Persistent caching
  • Key expiration
  • Maximum cache size, to prevent bloat

Installation

Cachalot requires Python 3.5 or newer to run.

Python package

You can easily install Cachalot using pip:

pip3 install cachalot

Manual

Alternatively, to get the latest development version, you can clone this repository and then manually install it:

git clone git@gitlab.com:radek-sprta/cachalot.git
cd cachalot
python3 setup.py install

Usage

from cachalot import Cache

@Cache()
def expensive_function():
    return expensive_calculation()

Advanced usage

from cachalot import Cache

@Cache(path='cache.json', timeout=3600, size=5000)
def expensive_function():
    return expensive_calculation()
  • path: Path to the database file. Defaults to .cache.json.
  • timeout: How long should the data be cached in seconds. Defaults to 86400 (1 day).
  • size: Maximum number of keys cached. Defaults to 10000.

For more information, see documentation.

TODO

  • Test suite
  • Optionally retry if blank data is returned

Contributing

For information on how to contribute to the project, please check the Contributor's Guide

Contact

mail@radeksprta.eu

incoming+radek-sprta/cachalot@gitlab.com

License

MIT License

Credits

This package was created with Cookiecutter and the python-cookiecutter project template. Inspired by Cashier

Project details


Release history Release notifications

This version
History Node

0.1.3

History Node

0.1.2

History Node

0.1.1

History Node

0.1.0

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Filename, size & hash SHA256 hash help File type Python version Upload date
cachalot-0.1.3-py3-none-any.whl (4.1 kB) Copy SHA256 hash SHA256 Wheel py3 May 16, 2018
cachalot-0.1.3.tar.gz (7.4 kB) Copy SHA256 hash SHA256 Source None May 16, 2018

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