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Redis-extensions is a collection of custom extensions for Redis-py.

Project description

Redis-extensions is a collection of custom extensions for Redis-py.

Installation

pip install redis-extensions

Usage

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.zaddwithstamps('sorted_set', 1, 'a', 2, 'b')
Out[3]: 1

In [4]: r.zrange('sorted_set', 0, 100, withscores=True)
Out[4]: [('a', 11472205032192.0), ('b', 21472205032192.0)]

In [5]: r.zrange('sorted_set', 0, 100, withscores=True, score_cast_func=r.rawscore)
Out[5]: [('a', 1.0), ('b', 2.0)]

In [6]: r.zincrbywithstamps('sorted_set', 'a')
Out[6]: 0

In [7]: r.zrange('sorted_set', 0, 100, withscores=True)
Out[7]: [('b', 21472205032192.0), ('a', 21472205071514.0)]

In [8]: r.zrange('sorted_set', 0, 100, withscores=True, score_cast_func=r.rawscore)
Out[8]: [('b', 2.0), ('a', 2.0)]

Expired

In [1]: from redis_extensions import RedisExpires as exp

In [2]: exp.REDIS_EXPIRED
exp.REDIS_EXPIRED_HALF_HOUR  exp.REDIS_EXPIRED_ONE_HOUR   exp.REDIS_EXPIRED_ONE_WEEK
exp.REDIS_EXPIRED_ONE_DAY    exp.REDIS_EXPIRED_ONE_MONTH  exp.REDIS_EXPIRED_ONE_YEAR

In [2]: exp.REDIS_EXPIRED_ONE_HOUR
Out[2]: 3600

In [3]:

In [3]: import redis_extensions as redis

In [4]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [5]: r.REDIS_EXPIRED
r.REDIS_EXPIRED_HALF_HOUR  r.REDIS_EXPIRED_ONE_HOUR   r.REDIS_EXPIRED_ONE_WEEK
r.REDIS_EXPIRED_ONE_DAY    r.REDIS_EXPIRED_ONE_MONTH  r.REDIS_EXPIRED_ONE_YEAR

In [5]: r.REDIS_EXPIRED_ONE_HOUR
Out[5]: 3600

Warning

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.delete_keys('redis_extensions')
``r.keys()`` used, may be very very very slow when keys' amount very large
Out[3]: 0

In [4]: r.lock_exists('redis_extensions', regex=True)
``r.keys()`` used, may be very very very slow when keys' amount very large
Out[4]: []

Solutions

Lock:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.acquire_lock('redis_extensions')
Out[3]: '026ad2a7-2b58-435f-8ba2-467458a687f1'

In [4]: r.acquire_lock('redis_extensions')
Out[4]: False

In [5]: r.release_lock('redis_extensions', '026ad2a7-2b58-435f-8ba2-467458a687f1')
Out[5]: True

In [6]: r.acquire_lock('redis_extensions', ex=10)
Out[6]: '84f6b991-7c30-4210-947a-deb56bbc769a'

In [7]: r.exists('redis:extensions:lock:redis_extensions')
Out[7]: True

In [8]: # 10 Seconds Later

In [9]: r.exists('redis:extensions:lock:redis_extensions')
Out[9]: False

Quota:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.quota('redis_extensions', amount=1, time=10)
Out[3]: False

In [4]: r.quota('redis_extensions', amount=1, time=10)
Out[4]: True

Quote/UnQuote:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.quote('http://a.com')
Out[3]: '6eb19fa3-9e26-457b-bb88-83ea5927ac29'

In [4]: r.unquote('6eb19fa3-9e26-457b-bb88-83ea5927ac29')
Out[4]: 'http://a.com'

Token:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: phone = '18888888888'

In [4]: r.token(phone)
Out[4]: '8bde88aa-71e9-4dea-846c-b1684a02b0f5'

In [5]: r.token_exists(phone, '8bde88aa-71e9-4dea-846c-b1684a02b0f5')
Out[5]: True

In [6]: r.token_delete(phone)
Out[6]: 1

Signin:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.signin_status('redis_extensions')
Out[3]:
{'delta_days': 10394,  # Signin Interval, Check Duplicate Signin
 'signed_today': False,  # Signed Today Or Not
 'signin_date': '1988-06-15',  # Last Signin Date
 'signin_days': 0,  # Continuous Signin Days
 'signin_longest_days': 0,  # Longest Continuous Signin Days In History
 'signin_total_days': 0}  # Total Signin Days

In [4]: r.signin('redis_extensions')
Out[4]:
{'delta_days': 10394,
 'signed_today': True,
 'signin_date': '2016-11-29',
 'signin_days': 1,
 'signin_longest_days': 1,
 'signin_total_days': 1}

In [5]: r.signin_status('redis_extensions')
Out[5]:
{'delta_days': 0,
 'signed_today': True,
 u'signin_date': u'2016-11-29',
 u'signin_days': 1,
 u'signin_longest_days': 1,
 u'signin_total_days': 1}

In [6]: r.signin('redis_extensions')
Out[6]:
{'delta_days': 0,  # Duplicate Signin
 'signed_today': True,
 u'signin_date': u'2016-11-29',
 u'signin_days': 1,
 u'signin_longest_days': 1,
 u'signin_total_days': 1}

Counter:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.counter('a')
Out[3]: (1, 0, 1)  # cur, pre, incr

In [4]: r._counter_key('a')
Out[4]: 'redis:extensions:counter:a:20170215'

In [5]: r.ttl(_4)
Out[5]: 86390L

Verification Code:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: phone = '18888888888'

In [4]: r.vcode(phone)
Out[4]: ('678366', False, False)

In [5]: r.vcode_exists(phone, '678366')
Out[5]: True

In [6]: r.vcode_delete(phone)
Out[6]: 1

Graphic Verification Code:

In [1]: import redis_extensions as redis

In [2]: r = redis.StrictRedisExtensions(host='localhost', port=6379, db=0)

In [3]: r.gvcode_initial(10)
Out[3]: 10

In [4]: r.gvcode_b64str('a')

Out[4]: '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'

In [5]: # 显示图片

In [6]: r.gvcode_exists('a', 'm9eh')
Out[6]: True

Graphic

Web:

<img src="data:image/png;base64,b64str">

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