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ORM for Redis

Project description

PyPI Version Build Status

redis-astra

Redis-astra is Python light ORM for Redis.

Note: version 2 has uncomportable changes with version 1. See CHANGELOG.txt

Example:

import redis
from astra import models

db = redis.StrictRedis(host='127.0.0.1', decode_responses=True)

class SiteObject(models.Model):
    def get_db(self):
        return db

    name = models.CharHash()

class UserObject(models.Model):
    def get_db(self):
        return db

    name = models.CharHash()
    login = models.CharHash()
    site = models.ForeignKey(to=SiteObject)
    sites_list = models.List(to=SiteObject)
    viewers = models.IntegerField()

    def save(self, action, attr=None, value=None):
        print('\t * %s' % kwargs)

So you can use it like this:

>>> user = UserObject(pk=1, name="Mike", viewers=5)
    * {'action': 'post_init', 'value': {'name': 'Mike', 'viewers': 5}}
>>> user.login = 'mike@null.com'
    * {'action': 'pre_assign', 'attr': 'login', 'value': 'mike@null.com'}
        * {'action': 'post_assign', 'attr': 'login', 'value': 'mike@null.com'}
>>> user.login
'mike@null.com'
>>> user.viewers_incr(2)
7
>>> site = SiteObject(pk=1, name="redis.io")
>>> user.site = site
    * {'attr': 'site', 'action': 'm2m_link', 'value': <Model SiteObject(pk=1)>}
>>> user.sites_list.lpush(site, site, site)
3
>>> len(user.sites_list)
3
>>> user.sites_list[2].name
'redis.io'
>>> user.site = None
        * {'attr': 'site', 'action': 'm2m_remove'}
>>> user.remove()
    * {'action': 'pre_remove', 'attr': 'pk', 'value': '1'}
    * {'action': 'post_remove', 'attr': 'pk', 'value': '1'}

Install

Python versions 2.6, 2.7, 3.3, 3.4, 3.5 are supported Redis-py versions >= 2.9.1

pip install redis-astra

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