pdict has a dictionary like interface and a sqlite backend
Project description
pdict has a dictionary like interface and a sqlite backend. It uses pickle to store Python objects and strings, which are then compressed with zlib for storage in sqlite. Multithreaded interaction is supported.
Depends on python 2.5+
Example use:
>>> filename = 'cache.db'
>>> cache = pdict.PersistentDict(filename)
>>> url = 'http://google.com/abc'
>>> html = '<html>abc</html>'
>>>
>>> url in cache
False
>>> cache[url] = html
>>> url in cache
True
>>> cache[url] == html
True
>>> cache.get(url)['value'] == html
True
>>> now = datetime.datetime.now()
>>> cache.meta(url)
{}
>>> cache.meta(url, 'meta')
>>> cache.meta(url)
'meta'
>>> del cache[url]
>>> url in cache
False
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