cache-guiosoft 0.0.4

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CACHE GUIOSOFT

Caching data using files, Redis or local SQLite

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Local files for caching

from cache_gs import CacheGS

# Storage on local directory

file_cache = CacheGS('path://directory_for_cache_storage')

# Storage on local SQLite database

slite_cache = CacheGS('sqlite://directory_or_file_for_storage')

# Storage on Redis

redis_cache = CacheGS('redis://host:6379?arg=value&arg2=value2')

Usage

Like INI files, data is grouped in section/key names.

Writing value

cache.set_value(section, key, value, valid_until: int = 0, expires_in: int = 0)

# valid_until is a real timestamp 
# expires_in is the life time of value in seconds from the time is created

Reading value

value = cache.get_value(section, key, default=None)

Deleting value

cache.delete_value(section, key)

Purging expired data

• On Redis cache, this is handled by the server, automatically.
• On SQLite cache, purging is executing on every instantiation.
• On Local File cache, purgin is automatically executed once a day, checked on every instantiation.

Force purging expired data

cache.purge_expired()