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Project Description

Aiocache is in beta version so breaking changes may be introduced in upcoming versions.

The asyncio cache that implements multiple backends.

This library aims for simplicity over specialization. It provides a common interface for all caches which allows to store any python object. The operations supported by all backends are:

  • add
  • exists
  • get
  • set
  • multi_get
  • multi_set
  • delete
  • clear
  • raw: Sends raw command to the underlying client

How does it work

Aiocache provides 3 main entities:

  • backends: Allow you specify which backend you want to use for your cache. Currently supporting: SimpleMemoryCache, RedisCache using aioredis and MemCache using aiomcache.
  • serializers: Serialize and deserialize the data between your code and the backends. This allows you to save any Python object into your cache. Currently supporting: DefaultSerializer, PickleSerializer, JsonSerializer.
  • plugins: Implement a hooks system that allows to execute extra behavior before and after of each command.

Those 3 entities combine during some of the cache operations to apply the desired command (backend), data transformation (serializer) and pre/post hooks (plugins). To have a better vision of what happens, here you can check how set function works in aiocache:

Usage

Install the package with pip install aiocache.

cached decorator

import asyncio

from collections import namedtuple

from aiocache import cached, RedisCache
from aiocache.serializers import PickleSerializer

Result = namedtuple('Result', "content, status")


@cached(ttl=10, cache=RedisCache, serializer=PickleSerializer())
async def async_main():
    print("First ASYNC non cached call...")
    await asyncio.sleep(1)
    return Result("content", 200)


if __name__ == "__main__":
    loop = asyncio.get_event_loop()
    print(loop.run_until_complete(async_main()))
    print(loop.run_until_complete(async_main()))
    print(loop.run_until_complete(async_main()))
    print(loop.run_until_complete(async_main()))

The decorator by default will use the SimpleMemoryCache backend and the DefaultSerializer. If you want to use a different backend, you can call it with cached(ttl=10, backend=RedisCache). Also, if you want to use a specific serializer just use cached(ttl=10, serializer=DefaultSerializer())

Release History

Release History

0.2.0

This version

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0.1.20

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0.1.14

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0.1.13

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0.1.12

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0.1.11

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0.1.10

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0.1.9

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0.1.8

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0.1.7

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0.1.5

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0.1.4

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0.1.1

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0.1.0

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0.0.5

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0.0.4

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0.0.3

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0.0.2

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0.0.1

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
aiocache-0.2.0.tar.gz (10.2 kB) Copy SHA256 Checksum SHA256 Source Nov 28, 2016

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